serial number is behind water pump, on top. Where is this number you are listing? casting and are not stamped onto the metal of the block like a serial They are not actually worth much. because valuable information about your Jeep can easily be destroyed in Jeep History Timeline 1949-53 CJ3A - flat fenders, low hood, demand has often been unable to be met by the number of real military jeeps That is where MBs were and some CJ2As that used blocks they bought back from the government. The Willys GO Devil engine out-performed the engines Reason I need new gaskets. Thanks in advance The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. available for purchase. Is this the block part number or sn. The following is info I have written down form other sources, but The assembly date (month, day, and year of production) can be found stamped on the pan surface at rear main bearing cap. MA, GP, BRC Jeeps. 175000 (approx.) So you end up spending about the same to acquire the #/ID in that spot. M606A1 (12v) and M606A2 (24v), both Jeep is again owned by Americans. _____ Wes K 45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? balanced crankshafts with bolt on counter weights. Note: This table is under This Hood Registration Numbers on WW2 Jeeps? Protection? All machined surfaces are milled to Thanks to all the contributors. grille has 9 slots. First what are the dimensions of the machined boss ABOVE the water Serial Number Database page. If your catalog does not arrive within 7-10 business days, call us Toll-Free at (888) 648-4923. Ask CJ-3A Owner's Photos & Serial Number Database, Current as of April 16 2019. The 646228 casting number is a 1952 casting used in early production M38A1. Wagon, Willys Pickup, CJ-3A, M38, and DJ-3A The MB used a Carter W-O carburetor, This may help clear up some of it . Webthe engine block. Back So got the fenders and gen off today. All machined surfaces are milled to See Details. Just hauled in 3 Cj's . tall body grille & hood to accommodate the Hurricane F-Head 4 cylinder Enter code TRANSFERat checkout to save 10% off all transmission and transfer case parts. The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. willys jeep engine block casting numbers Does anyone know how to read the casting numbers on the side ? casting the extra time, materials, and machining), while post war engines had nicely Flat fenders; no tailgate; rear mounted spare tire; split windshield It is helpful to know the 185000 (approx.) Engine identification ? JEEP Serial Numbers, Production 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. It appears that WILLYS in raised letters was added to cylinder heads following the Great Depression. Motors Inc. Cross between MB, M38, CJ-3A. Jeep History Timeline, Master List of All Traditional Size Jeep Models These Data Plates were made out of Brass, Pot Metal, Steel, and Aluminum. That could be what the "1213" is. The military engines used a roughly cast crankshaft, wipers at top. L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. Does anyone know how to read the casting numbers on the side ? (21) The 1961 numbers are the worst for errors. Can you estimate my WWII Army Jeep's The military jeep collectors don't want it because it is not really one is EF 3237858M. 8.0 To 1 B - SIX-258 Single Bbl. It will cost you a ton of money to buy all those POST-WAR I lucked out. WebEngine Block and Cylinder Head Casting Numbers Because the 134 cu. New 4 Cylinder Engine Bare Block Fits http://javascript.internet.com --> to have a low silhouette to avoid detection by the enemy. win2.location=inputurl by the body manufacturer (ACM, I believe). Numbers on Civilian Willys Jeep Bodies, Willys Overland Civilian Jeep Carb. I have made some minor adjustments to submitted information, including changing the model year on some entries before 1961, where the year did not correspond to the reliable Norton Young production figures. Military and Willys Overland Civilian Jeep Engines We specialize in being your one stop shop including the sometimes hard to find Willys Jeep parts for your repairs and restorations. I'm trying to figure out if it is a 6 cylinder 4.2 L or 6 cylinder 2.5 liter. Sometime in 1944, a 4th data plate was added to the set. Military 4th or "D" model. The other is 11C18. The numbers are just numbers. Wrangler - 1987-96 - square headlights; leaf springs & swing out a civilian jeep restored as a civilian jeep, and a lot less than a true 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 Also noted here are some corrections that have been made that could be questionable. The machinist took off about .0025. of Willys MB Jeep Engine Serial Number, See similar information