BOLT CONNECTING ROD CAP 3/8
WO641768
Connecting rod cap bolt 3/8" x 24
For L-134 and F-134 engines
Connecting rod cap bolt with 3/8" diameter and 24 thread for the Willys L-134 and F-134 four-cylinder engines. This bolt secures the connecting rod cap to the connecting rod and is suitable for later production engines with gear-driven timing and certain late chain-driven versions.
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Thread 3/8" x 24 |
Application L-134 and F-134 engine |
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Type Connecting rod cap bolt |
Quantity required 8 pieces per engine |
Features
- Thread 3/8" diameter x 24 TPI
- For connecting rod cap attachment
- Used from engine serial number 89737
- Replacement for later production L-134 engines
- 8 pieces required per vehicle
★ Reproduction to original specification for correct restoration of later Willys and Jeep four-cylinder engines.
Application
Suitable for late versions of the Willys MB (1941-1945), Ford GPW (1941-1945), Hotchkiss M201, Willys CJ-2A (1945-1949), CJ-3A (1949-1953), CJ-3B (1953-1964) and M38 (1950-1952) fitted with L-134 or F-134 engine. Used from engine serial number 89737 and in all engines with gear-to-gear timing. For early MB/GPW with chain-driven camshaft, the 7/16" bolt is required.
Installation notes
Please note: early chain-driven Go Devil engines use 7/16" x 20 bolts. Check your engine version before ordering. Connecting rod caps are numbered and must remain paired with the corresponding connecting rod. Lubricate the thread with engine oil before assembly. Torque the bolts to factory specifications and use an angle-torque method if possible.
Compatibility
NOT compatible with early Willys MB and Ford GPW engines with chain-driven camshaft — these require 7/16" diameter bolts. The changeover occurred around serial number 89737 and early 1947 during CJ-2A production. Engines with gear-to-gear timing always use the 3/8" bolt. If in doubt: measure the diameter of your existing bolts.
Historical context
The L-134 'Go Devil' engine underwent various technical modifications during production, including the transition from 7/16" to smaller 3/8" connecting rod bolts for improved clearance and weight saving. This change was implemented during later wartime production and during the transition to civilian CJ models with gear-driven camshaft.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
ALL_CATEGORIES : Connecting Rods & Hardware Willys MB Ford GPW M201, Piston,Rings & Bearings CJ2A, CONNECTING RODS & HARDWARE CJ3A, Piston,Rings & Bearings M38, CONNECTING RODS & HARDWARE M38, CONNECTING RODS & HARDWARE CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW (early) | 1942 |
| Ford GPW | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 (early) | 1956, 1957, 1958, 1959 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
| Willys M38 | 1950, 1951, 1952 |
| Willys M38A1 | 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |
| Jeep CJ-3B | 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)
From the original Technical Manual TM 10-1513 — Maintenance Manual — only for Willys MB / Ford GPW (1942)
