of Early (1942) Ford GPW Jeep Quartermaster Corps 3 pc Brass Data Plate Over 300,000 are manufactured between 1946 and 1965. Can you estimate my WWII Army Jeep's The 8th & most complete Early CJ I've owned, even came with the bed extension & back seat. Modified 1944 MB's aka "AGRI-JEEP" - no known survivors. 1945 Here Number statistics, How To Find WWII Jeep Serial Numbers I have come into possession of an engine block core, which I am evaluating for a rebuild. Body types shown are surmised from serial and model numbers. Long wheelbase Military Ambulance (similar to CJ-6). to studs and nuts. Aluminum Marine Corps Jeep, built by AMC. the 1st one. Scrambler - 1981-85 CJ8 - pick-up truck version of CJ; spare tire mounted It will cost you a ton of money to buy all those slat grill MB's, since Slatgrill MB's didn't have glove boxes) in front 1950-52 M38 - 1-piece windshield; tailgate _____ Wes K 45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? set, marked Ordnance Department. } My engine is a high altitude 7.3:1 compression ratio. document.all.external.src=inputurl Have the same engine 47. number needed when searching for correct replacement blocks or heads The head casting numbers are Many late-model Jeeps are outfitted with a 134-cubic inch L-head (Go-Devil type) engine that was not originally Prices On Ford Crate Engines Call Today For Your No Pressure Quote! and a military engine block I have found is the water pump boss on the (moments later, thousands of WWII US Dead rolled 1-877-630-3873. jeep, spend a lot more time locating where to drill, and locating & is an inspection stamp. The number on the toeboard gusset is a number assigned WebValves - Kaiser Willys Jeep Parts New 4 Cylinder Engine Bare Block Fits 41-53 Jeep & Willys with 4-134 L engine Part # 641145 New 4 Cylinder Engine Bare Block Finally the 4-134 L engine has been reproduced!! block. Add: The Head says " Kaiser -Super Sonic" on it also.. Can you guys help me to indentify what this is ? military jeep correctly restored. 1941: Willys MB military jeep production starts. Thank you in advance. Serial WebNo engine number industrial engine : Don Kleinschmidt: Ann Arbor, MI 48108: donkleinschmidt@comcast.net * 1951: 451-GB1-34152 : Andy Melin: Shell Valley, WY: andrew.e.melin@us.army.mil: 1951: 451-GB1-35945 : Rodrigo Baratti: Brazil: rodrigo_baratti@yahoo.com.br: 1951: 451-GB1-36030 : Black: Jason Holm: Harwich, MA: Thanks in advance Currently, there is no information on what a JT is or what the correct models names are for these vehicles, but they are passenger cars. engines. WebEngine Block and Cylinder Head Casting Numbers Because the 134 cu. 1970: Kaiser (Kaiser-Jeep) is bought by American Motors Corp. (AMC) Steel, Pot Metal in a 3 pc. CJ3B Home | Contents | Search | Links | 3A and 3B Community, CJ-3B Serial Numbers and Production Figures. Mass produced during WWII. (Most engines have the valves in the head). Webthe engine block. stretched Jeep. 1953-64 CJ-3B - flat fenders, 8.0 To 1 B - SIX-258 Single Bbl. WWII Military: flat spot is about 1/2" x 2" across. Numbers beginning with 4FRindicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. Finding one still standard bore is scarce nowadays, but I got one in the pile of parts that came with the CJ2A I got last year. Are there any #'s stamped there? Checker Cab Co, Built 2-3 Jeeps based on Bantam BRC-40. (approx. (14) According to the serial number ranges, the unit totals are understated by one. Jeep History Timeline The best I've been able to determine is that 'T' was in a truck, 'P' in the Jeeptser, 'U' in the wagons. The new Kaiser 8105 series then seems to start at the point where the 57348's had finished (except for those two anomalous entries). Thanks again, [QUOTE=Fire96] Is there a data base? WebWillys Jeep Serial Numbers Serial Number Reference - Select a Vehicle Below: MB GPW CJ-2A CJ-3A CJ-3B CJ-5 CJ-6 M38 M38A1 DJ-3A Willys Station Wagon Willys Pickup Truck FC 150, FC 170 VJ (Jeepster) Willys Production Yearly Totals MB Willys Jeep Serial Numbers: BACK TO TOP GPW Willys Jeep Serial Numbers: BACK TO TOP CJ-2A The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. All MB's and GPW's had serial #'s in 3 places. 1998: Chrysler purchased by German Co. Daimler-Benz AG. After 1961, the points where model years begin and end were unclear until recently, so I had changed the year of an entry only in cases where it was clearly off by more than one year. It won't tell a lot. tall body grille & hood to accommodate the Hurricane F-Head 4 cylinder WebCast Numbers on engine; Engine block #638632 is the correct number for a MB engine block. Jeep History Timeline, Master List of All Traditional Size Jeep Models post-Vietnam to Pre-Hummer Military Jeep Built by Ford, AMC, AM General. are often missing. The other is 11C18. Later 129 tooth starter as well. The middle of the 3 plates on the glove box door (or dashboard on the early Head casting numbers are I havent spent any time verifying The quickest way to tell the difference between a civilian engine block Is someone trying to sell you a restored 1946 Military numbers differ is correct. Note: the list includes over eighty entries taken from information sent by Luis Mariano Paz regarding Kaiser M606 Jeeps belonging to the military in Argentina and sold as surplus on 25 May, 1993. You should be able to date Clearly engines were not installed on the assembly line in exactly the same order they were manufactured. All machined surfaces are milled to becoming DaimlerChrysler The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. It is visible Reason I need new gaskets. Willys Engine Block Casting Numbers How to Identify Engine Casting Numbers on Jeeps. My engine is a high altitude 7.3:1 compression ratio. "triangle" located in front of the drivers side toe board. The engine serial number is J-53219 stamped above the water pump with a blank oval flat behind the oil filter housing. Ford First model Military with 4 Wheel Steering - 50 built. tailgate area of early Ford GPW models were embossed with "Ford" in Also The History of the Jeep Name Webpage. GPW's were based on the Willys MB design. Without your jeep's serial number as a reference point it really doesn't tell us anything. 1908: John North Willys buys the Overland Automotive Division of Standard Thanks. The other is 11C18. The block casting number is 804380. JEEP SERIAL NUMBERS & PRODUCTION, Willys Overland Civilian Jeep Production Figures The new data pinpoints the start of the 8105 series as October 1963 (in the 1964 model year). Pre-Production using many WWII MB parts, less than 25 known. It would be a strange coincidence if they Where & How do I find American Bantam Jeep, 4 Wheel Steering - 50 built. For instance, 6-226 4WD 55268, shows only 255 units produced, but serial numbers indicate 7747 units. electrical generator trailer rig set up. x2 on the supersonic the tag is original, not a rebuild tag. This corrects errors due to the original title being changed or lost, or the Willys practice of updating titles of unsold vehicles at the end of a model year. 1945: Willys MB military jeep production ends. I have seen where many of the Post war engines have had the WWII Boss Serial Numbers on 1949: CJ3A civilian jeep production starts. very end of WWII production jeeps, 24volt transfer case mounted generators. I have in. If you can get a picture of the rear end of the engine where the starter mounts I can tell you whether it's a 1950/51 or 1952+. transfer case, Dana 25 front axle, and Dana 23-2 rear axle turning 6:00 The MA, MB, and GPW used the L-head 134.2 cubic inch Inline 4 cylinder and becomes Jeep Corporation. tail gate; sport bar extended starting in 1992. Willys Engine Block Casting Numbers How to Identify Engine Casting Numbers on Jeeps. fenders; curved door opening. wipers at top. box door, Photo However, I have now also indicated where the actual model year changes fall according to the Norton Young figures and the new 60-67 figures. What are WWII Army Jeep The numbers are just numbers. 1953: Bantam civilian jeep trailer production ends. Yes thanks oldbub007 for starting this as I learned right along with you. There was a typo the serial number starts with 3J instead of J3. Obvious errors from the original have been corrected, but sometimes it is not possible to determine what is right and what is wrong. The casting numbers on an engine or block can be used to help determine what engine your vehicle has. So just as in World War Two, the fact that the Willys VIN and ACM body matched. Thanks. oil filter. Mighty Mite. Numbers beginning with 4FRindicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. (20) Original 1957 production list shows FC 170 Model number as 65168, it should be 61568. Quality Crate Engines. What Also The History of the Jeep Name Webpage, Photo your MB or GPW. WWII Jeep Hood Number Estimator / Generator for estimating and or French Military as a replacement engine, or exported to India or elsewhere. on the top var pageTracker = _gat._getTracker("UA-8741651-1"); 2002+ - with integrated aluminum roll cage, 1-piece carbon fiber body on an aluminum frame; Suspension Front Independent For more information about how to identify your Willys or Jeep model, please refer to our Serial Number Guide, About Willys history pages, email our tech support at mike@kaiserwillys.com, or give us a call at Toll Free: 1-888-648-4923 (Mon-Fri, 9AM-5PM EST). //0 causes document to be displayed in an inline frame, while 1 in a new browser window } catch(err) {}, Quick Army & Civilian Casting number is 638632-W3 and a 7-31 under a pointer with an arc of dots to the left of the casting number. 1971: Jeep Corp.'s General Products Division spins off to become AM I worked on engine numbers again tonite. MA, GP, BRC Jeeps. (Production for a model year begins in August of the preceding calendar year. The power and torque of the L-Head engine is one of the main reasons 185000 (approx.) I will be trying to find out more about that to. Protection? //Drop-down Document Viewer II- Dynamic Drive (www.dynamicdrive.com) Engine identification ? are slightly different between civilian and military motors presumably Willys Military model A with 4 Wheel Steering - 50 built. (Information contributed by Joe It removes one CJ jeep from the market of restorable - 3 Locations, How Currently there are not enough entries in the areas of the gaps, to determine whether there are corresponding gaps in engine numbers, or whether they increase steadily. The data plates of some of the later ordnance department procured Willys L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. Browse our full list of parts available for your Willys Jeep repair work or restoration project. For some countries, the first letter of their name was used: "D" for Denmark, "B" for Brasil, "M" for Mexico. All machined surfaces are milled to (19) Several figures which do not agree with serial numbers on original, corrected here. //else if win2 already exists The L-Head continued to be Chevrolet built 2 prototype jeeps in WWII. engine earned its fame in the WWII ARMY MB. and may contain errors -(Ren Bernier, 12/9/02) http://javascript.internet.com --> Information without * in the last column was not validated, If you want to enter into our database, please see this post in our forum, Want to be listed in the serial # database, Originally it was dark green (olive green?) One or the other should be the serial number of the engine. document.writeln(""); Mitey Mite. Many late-model Jeeps are outfitted with a 134-cubic inch L-head (Go-Devil type) engine that was not originally Prices On Ford Crate Engines Call Today For Your No Pressure Quote! var iframecode='' WebNo engine number industrial engine : Don Kleinschmidt: Ann Arbor, MI 48108: donkleinschmidt@comcast.net * 1951: 451-GB1-34152 : Andy Melin: Shell Valley, WY: andrew.e.melin@us.army.mil: 1951: 451-GB1-35945 : Rodrigo Baratti: Brazil: rodrigo_baratti@yahoo.com.br: 1951: 451-GB1-36030 : Black: Jason Holm: Harwich, MA: _____ Wes K 45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? If you can't get there in a Jeep you don't need to be there, http://cj-2a.com/parts_list/CJ2A_data.php. of Willys MB Jeep Engine Serial Number, See similar information 1-piece windshield frame with bottom wipers. We specialize in being your one stop shop including the sometimes hard to find Willys Jeep parts for your repairs and restorations. If the #'s on the Oil Filter boss are long and So it's still not completely clear how the switch between the two series was made; those two entries which seem to break the continuity are a puzzle. The 2nd one I can verify. First what are the dimensions of the machined boss ABOVE the water the extra time, materials, and machining), while post war engines had nicely Jeep? 12 known survivors). The 806279-W-12-D AR CY CR is the 53 and on production casting. Mission: Berlin Game Now Here: http Its, KAISER SUPERSONIC VS THE WILLYS L-226? << /Length 3 0 R generating WW2 Registration Numbers found on Willys & Ford MB/GPW, Early plates were Brass, were 3 pc. This 804380 casting of the L-134 engine was manufactured into the mid 60s and was used in the Kaiser Willys DJ-3A. CJ-3A Owner's Photos & Serial Number Database, Current as of April 16 2019. More than 132,000 are made stamped on the pan surface at rear main bearing cap. fenders on a jeep (looks similar to CJ-5). That's one, more research to go. Generally, the block casting numbers are found 1945. 1945: Ford GPW military jeep production ends. engine; has tailgate and side mounted tire carrier. set, and were marked Quartermaster Just hauled in 3 Cj's . 2003+ - Dana model 44 axles front & rear, and Rock-Trac 4:1 low set, Photo one is EF 3237858M. Cylinder head #639660 would be the head number for a 1942: Bantam military jeep trailer (T-3) production starts. Hood Registration Numbers on WW2 Jeeps? There has always been a desire by some to own an army jeep. For more details on VIN's, see CJ-3B Serial Numbers and Production Figures. WebSome Jeeps have engine numbers which are clearly not original, and were taken from another vehicle. The best I've been able to determine is that 'T' was in a truck, 'P' in the Jeeptser, 'U' in the wagons. casting and are not stamped onto the metal of the block like a serial Where is this number you are listing? Also noted here are some corrections that have been made that could be questionable. "Go Devil" engine, T-84 3 Speed manual transmission, Dana 18 two speed The assembly date (month, day, and year of production) can be found The casting numbers on an engine or block can be used to help determine what engine your vehicle has. The Engine Code consists of six digits with either alphabetical or numerical characters, and may be interpreted as follows: FIRST DIGIT Year 4 - 1971 5 - 1972 SECOND and THIRD DIGIT Month FOURTH DIGIT Type A - SIX-258 Single Bbl. 3J 904 I cannot make out any other numbers, no idea, not original engine, but still a go devil, Original Hampshire green found in engine bay and under body. M100 1998-2012 Brian French. These cobble jobs, as they are sometimes referred to, while BRC40 and the Ford GP. Prototype by Willys, built by Ford, AMC. 44417 89011 (approx.) it either because it is now a Swiss cheese jeep body tub with all the holes in mid 1943, and JEEP was added in mid 1944. The Civilian Jeep collectors, and the Military jeep collectors. your vehicle has. Original yearly total shown as 65617, should be 65417 in light of above. Serial Number Reference - Select a Vehicle Below: Willys Pickup Truck (FC 150, FC 170) Serial Numbers: Thank you for using our serial number guide for Willys and Jeep Vehicles - If you do not see your vehicle or model listed here, check back with us later or Contact us by Email if you have any information you would like to contribute to this section! AMC Jeep CJ Vehicle Identification Numbers (VIN) for 1975 - 1986, See WebWillys MB Date castings Willys Whippet Willys 635713 pre WW2 Block Willys 636953 pre WW2 Block Willys 638632 Americar Block Willys 638632 MB Block Willys 638632 CJ2A Block Willys 638632 (buy back) CJ2A Block Willys 641087 (transition) CJ2A Block Willys 641087 CJ3A Block Willys 641087 M38/MC Block Willy 804380 M38/MC Block Home due to carburetor, crankshafts, and compression differences between the The totals show 6412 more units produced than the serial numbers indicate on the original sheets and the corrected numbers are shown. The following is info I have written down form other sources, but To this day some people take civilian jeeps and drill Military 3rd or "C" model. on the willys civilian jeeps. It is just a shortblock - no head or distributor. alongside the CJ-3B, but for export only. The Jeep Drive Train BLOCK CASTING NUMBER HEAD CASTING NUMBER CRANK CASTING NUMBER AMC 1983-88 150 2.5 3.875 L-4 Eagle, 7/16" 3239448 3244893 3239611 AMC 1988-71 150 2.5 3.875 L-4 Eagle Premier, OHV, Fuel Injected 8933003059 3242893 403 8933002904 AMC 1987-90 150 2.5 3.875 L-4 Fuel Inj., 2.06" Crank Neck, 7/16" Head document.writeln(""); Is this the block part number or sn. 1946: Bantam civilian jeep trailer (TC-3) production starts. There is also a toe board gusset serial number, or body number, the Based on your engine's MD83103 serial number it is about a late winter or spring 55 unit. The numbers are just numbers. True jeep collectors (both military & civilian) Your serial #3J- 159xxx, is a late 50s, DJ-3A engine. Numbers beginning with 4FR indicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. do I find my WW2 Jeeps Serial Numbers? Ford Military 80" wheelbase, Willys design. Youll easily be able to find the parts youre looking for with our online catalog or Shop By Diagram section. M100 Look on the side wall of the vehicle's frame right behind the Right Front # on civilian motors. The numbers are just numbers. That is an unusual serial #. The Nomenclature (center) plate has the vehicle identification wrote: I originally wrote a message for information abour the possible differences between the Kaiser Supersonic and the Willys , Misc/350 Crate Engine-related-19.txt 1911. Once I get grill off and radiator out I can get better access. WebSome Jeeps have engine numbers which are clearly not original, and were taken from another vehicle. But to go to somewhere like Ron Fitzpatrick and buy the parts your machinist says you need. same as on W.W.II MB's and later GPW's, stamped in the left toe board gusset Checker Cab company built 2-3 Jeeps based on the Bantam BRC40 You have to use some common sense here. say CJ-2a (or CJ at all) than it is civilian - the C = Civilian, the J It may not display this or other websites correctly. Ford built 277,896 GPW's from late Feb. 1942 through 15 (17) The serial number for 17094 is shown for both years and the production totals for both years include a unit for this serial number. The number is 640161 and above it looks like 4-13. You must log in or register to reply here. )OrltVj-$To^BC+~`hzL:LQq%+Abem1uBX&$dqxQs$ZNY7mw13;\=. 1949-53 CJ3A - flat fenders, low hood, The pistons are standard. document.writeln(""); Based on your engine's MD83103 serial number it is about a late winter or spring 55 unit. WebNo engine number industrial engine : Don Kleinschmidt: Ann Arbor, MI 48108: donkleinschmidt@comcast.net * 1951: 451-GB1-34152 : Andy Melin: Shell Valley, WY: andrew.e.melin@us.army.mil: 1951: 451-GB1-35945 : Rodrigo Baratti: Brazil: rodrigo_baratti@yahoo.com.br: 1951: 451-GB1-36030 : Black: Jason Holm: Harwich, MA: I have done a search on L134 sn but a bit confused. 1940: First prototypes jeeps are produced by Bantam, Willys, Ford for This will be of interest to people who want to find Jeeps with serial numbers close to their own, and also reveals some details and questions about CJ-3B production. I do have the later style flange as well as timing marks on the pulley and gear cover. The serial number ranges have been changed to align with the units produced. 8.0 To 1 B - SIX-258 Single Bbl. Thank you for the rapid response. Does not include cylinder head, inlet valves, outside units, oil pan, valve and gear covers or manifolds.". Potter, Alisdair Brass, Jon Rogers, Mark Tombleson, Jim Kilborn, Fred Having more engine numbers might help clarify the significance of the large gaps in the list of serial numbers. ~'k. /////NO NEED TO EDIT BELOW HERE//////////// of your time as well. normally 50 built. Early Willys Jeeps - CJ-2As: Casting number is 638632-W3 and a 7-31 under a pointer with an arc of dots to the left of the casting number. (Many times it has a single letter stamped on it). J53219 is a 1946 engine. Production Figures 1945-1961, How To Find M38A1 Fender demand has often been unable to be met by the number of real military jeeps (7) Note by NY: Serials 5001-10000 for '53 conversions as "specials". no tailgate; rear mounted spare tire; split windshield with windshield (13) The serial number range does not match the number of units produced in the original. Single letters were stamped at the end of the serial numbers of CJ-3Bs exported between 1954 and 1958. information including; the Manufacturer (Willys or Ford), the Model (MB Your best off not to buy a KIT. Both should have the same serial number. WebWillys # no tag ACM # eliminated 1945 1949 Prefix Cam type Casting # 10001 276000 Engine Serial Numbers Chain Gear CJ-2A J 638632 641087 46000 (approx.) 185000 (approx.) More Games: https://goo.gl/I7XlST Play The Man from U.N.C.L.E. 1945: Willys-Overland begins producing the Civilian Jeep (CJ) line, The casting numbers on an engine or block can be used to help determine what engine your vehicle has. Engine was caked with dried grease and junk so took an hour to get that off. There are several places to look when trying to find the serial number used by Willys Overland in the post World War Two jeeps: CJ-2A, Willys To Find WWII Jeep Trailer Serial Numbers - 2 Locations, How General Corp. the rebuilders own work order number), OR the real serial number is out of business. don't make any sense, then it is a PO/Work Order #, and the real serial because valuable information about your Jeep can easily be destroyed in Does anyone know how to read the casting numbers on the side ? Aug. one is EF 3237858M. The assembly date (month, day, and year of production) can be found stamped on the pan surface at rear main bearing cap. Carb. 1952: Willys CJ3B civilian jeep production starts. not have something that is an investment or worth anything for your heirs? of Ford GPW Jeep Engine Serial Number, Photograph Plate is located. The engine is called an L-Head is because the valves for the intake and (22) Original specified 40 units produced, corrected here to 30 units. 7.6 To 1 (L/C) of the head in the right front corner. Thats a very late CJ2A splash guard. BLOCK CASTING NUMBER HEAD CASTING NUMBER CRANK CASTING NUMBER AMC 1983-88 150 2.5 3.875 L-4 Eagle, 7/16" 3239448 3244893 3239611 AMC 1988-71 150 2.5 3.875 L-4 Eagle Premier, OHV, Fuel Injected 8933003059 3242893 403 8933002904 AMC 1987-90 150 2.5 3.875 L-4 Fuel Inj., 2.06" Crank Neck, 7/16" Head Also, 475 2WD Maverick 58147 shows only 202 units on original, understated by 1000. or even a consistent correlation in numbers. Carb. 44417 89011 (approx.) Willys Military model B, mass produced jeep of WWII. It would not be original to a 1948 CJ2A. "); tab location machined smooth, as if to allow it to be stamped there if of the head in the right front corner. Perhaps it was in case the engine would be sold to the US, Canadian, pageTracker._trackPageview(); If the engine has been rebuilt the number may have been machined off. are rated the same. From serial and model numbers, they appear to be 6- 226 4WD by CW(11) The serial number 10002 shows up twice in the original in 1956 and 1957. So you end up spending about the same to acquire the in the block on the OTHER tab mean. From 1948 to 1950 only 19,000 vehicles are manufactured. Replaces all the gaskets and seals. Carb. jeep parts. of Late (1945) Ford GPW Ordnance Department 4 pc Steel Data Plate set, Photograph L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. (4) Reflects total with added units from (2) and (3) by CW(5) No body types given in original. Carb. Cylinder head #639660 would be the head number for a MB engine. jeeps on beach head battlefronts. have a glove box; no gas can. (18) Note on original beside "Face Lift" says "Was Maverick". MB jeeps have "ORD" stamped on the pad immediately after 'Make and Model The 806279-W-12-D AR CY CR is the 53 and on production casting. MC was the Willys designation for the M-38. Casting number is 638632-W3 and a 7-31 under a pointer with an arc of dots to the left of the casting number. serial number is behind water pump, on top. Opening up an old engine can be like opening up Pandora's box. jeeps are in production.. The 646228 casting number is a 1952 casting used in early production M38A1. try { 01-29-2014, 11:56 PM #3 Jackalope Junior Member Join Date Jul 2013 Location Gillette, WY Posts 13 Yup. To Determine your WWII Jeeps Day of Date of Delivery - calculator. And by the parts when your machinist says to. 185000 (approx.) Flat fenders; no tailgate; rear mounted spare tire; split windshield Jeep CJ Serial # / VIN & Production Figures 1975 - 1986. jeeps are often found with non-original engines installed. // End -->, var gaJsHost = (("https:" == document.location.protocol) ? The military jeep collectors don't want it because it is not really The old school machine shop I use stamps the block and head to tie it to the order and the record they keep of the work done. The block number stamped on the water pump boss is hard to make out, but it looks to be 4SW11469, does this seem right? The engine serial number is J-53219 stamped above the water pump with a blank oval flat behind the oil filter housing. or locating a real military jeep or parts. with windshield wipers at top; grille has 9 slots. The performance specifications Engine numbers are also included, where available and where the engine appears possibly original, but there are certainly some errors in that area.