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G503 WWII 1943 Ford GPW Jeep Engine section bolt list


This list originated from Claude Pon's bolt list. This section has been enhanced for bolts that apply to 1943 Ford GPW Jeep Engine Section.

This article applies to Willys MB WWII Military Jeeps 
IDFord RefGroupSubGroupUse/DestinationSizeThreadNC/NFLengthQtyHead typeNut HexNut Stamped PalPlain Washer IDPlain Washer ODPlain Washer QtyLock Washer IDLock Washer ODLock Washer QtySourceComments
11FM-24409-S701 Engine0109CBellhousing to Bracket 3⁄8 24 NF 1 1⁄8 3Hex3       3  
12FM-24489-S01 Engine0109CBellhousing to Bracket at Hand Brake Clip 3⁄8 24 NF 1 5⁄8 1Hex          
13FM-24430-S01 Engine0109CBellhousing to Transmission 7⁄16 14 NC 1 1⁄4 4Hex4       4  
20FM-20349-S201 Engine0106DChain Case Cover to Engine Plate 3⁄8 24 NF  3⁄4 3Hex3       3  
21FM-350356-S201 Engine0106DChain Case Cover to Engine Plate (Ford only) 3⁄8 24 NF  3⁄4 1Hex1       1 Ford only
22N/A01 Engine0106DChain Case Cover to Engine Plate (Willys only) 3⁄8 24 NF 1 1Hex1       1 Willys only
25FM-24430-S01 Engine0109CClutch housing to bracket 3⁄8 24 NF 1 1⁄8 3Hex3       3  
26FM-24489-S01 Engine0109CClutch housing to bracket at E brake cable clip 3⁄8 24 NF 1 5⁄8 1Hex1       1  
27FM-24308-S01 Engine0109CClutch inspect plate on housing 1⁄4 20 NC  1⁄2 2Hex       2  
34FM-GPW-634501 Engine0102Crankshaft Bearing Cap to Crankcase 1⁄2 13 NC 2 3⁄8 6Hex          
65FM-24427-S701 Engine0110Front engine insulator to frame (Ford only)-pointed bolt 5⁄16 24 NF 1 1⁄4 4Hex4       4SNL G503 Feb 1945 
66N/A01 Engine0110Front engine insulator to frame (Willys only) 5⁄16 24 NF 1 4Hex4       4SNL G503 Feb 1945 
203FM-353055-S01 Engine Intake manifold Plug 1⁄4    2Sq Hd        SNL G503 Feb 1945non-script models?
204FM-33800-S701 Engine Intake manifold stud Nuts 3⁄8 24 NF  7Hex       5SNL G503 Feb 1945note: two special washers out of 7
110FM-24386-S201 Engine0108AIntake on exhaust manifold 5⁄16 18 NC 1 4Hex       4SNL G503 Feb 1945superceded by WO-51486 FM 20386-S7
121FM-GPW-18691-A01 Engine0107EOil Filter Cover 7⁄16 20 NF  1Hex        SNL G503 Feb 1945dia may differ with filter make
122FM-24347-S201 Engine0107FOil filter support to bracket - Ford : pointed bolt 5⁄16 24 NF  3⁄4 4Hex    4  4SNL G503 Feb 1945 
123FM-355396-S01 Engine0107A-1Oil Float Support to Crankcase 5⁄16 18 NC  3⁄4 2Hex       2SNL G503 Feb 1945 
124FM-355158-S201 Engine0107JOil gauge tube clip to dash#10 24 NC  3⁄8 1round head mach.screw       1  
125FM-355403-S201 Engine0107AOil Pan to cylinder block (Ford only) 5⁄16 18 NC  11⁄16 20Hex       20SNL G503 Feb 1945length 11/16 Ford only, recessed-head
126N/A01 Engine0107AOil Pan to cylinder block (Willys only) 5⁄16 18 NC  5⁄8 20Hex       20SNL G503 Feb 1945Willys only
136FM-24328-S201 Engine0110Rear Engine Mount Bracket to Transmission 3⁄8 16 NC  5⁄8 3Hex       3  
137FM-24348-S01 Engine0110Rear Engine Mount Bracket to Transmission 3⁄8 16 NC  3⁄4 1Hex       1SNL G503 Feb 1945 
154FM-355449-S01 Engine0106CSprocket to Camshaft 3⁄8 24 NF 1 1⁄4 4Hex       4SNL G503 Feb 1945 
168FM-26147-S701 Engine0109CTiming hole cover to housing 1⁄4 20 NC  3⁄8 1round head mach.screw1       1SNL G503 Feb 1945 
201FM-355452-S01 Engine Valve Cover to Engine Block 5⁄16 18 NC 3.0625 1Hex        SNL G503 Feb 1945Gasket washer
202FM-355451-S01 Engine Valve Cover to Engine Block through vent 5⁄16 18 NC 4.125 1Hex        SNL G503 Feb 1945Gasket washer
186FM-24408-S01 Engine0101AWater elbow on head - Ford : pointed bolt 3⁄8 16 NC 1 1⁄8 3Hex       3SNL G503 Feb 1945 


For the complete list of Bolts,Washers, Nuts Click Here


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