Jeep J20 Engine Block Parts
This page brings together engine block parts for the Jeep J20, covering model years 1974–1988. The range spans piston ring sets, crankshaft main bearing sets, connecting rod bearings, engine mounts, and oil drain plugs — the core internal and external components that make up a complete engine block assembly. Select your year above and we'll show only the engine block parts that fit your Jeep J20. Fitment is checked against our vehicle data for every part listed.
Prothane 1-1905-BL Black Polyurethane Jeep Motor & Transmission Mount Kit
Edelbrock 41993 Classic Series Valve Covers for AMC/Jeep 290-401 V8
Edelbrock 4431 Signature Series Valve Covers for AMC/Jeep V8 290-401
King Engine Bearings CR6869SI Connecting Rod Bearing Set for AMC Inline-6
Edelbrock 3731 Performer EGR Intake Manifold for AMC 304-360-401 V8
MAHLE TO 12 100 Engine Oil Thermostat with Housing and Gasket
Representative Photo, actual item may vary
MAHLE 50076CP Engine Piston Ring Set - Standard Bore Cast Ring Set
King Engine Bearings CR648SI010 Connecting Rod Bearing Set Silicon Aluminum
King Engine Bearings CR4352SI030 SI-Series Engine Crankshaft Main Bearing Set 0.030" Undersize
King Engine Bearings CR648SI030 Connecting Rod Bearing Set Jeep 232ci 242ci 248ci Rambler 232ci
Representative Photo, actual item may vary
Representative Photo, actual item may vary
MAHLE 51510CP.030 Premium Plasma-Moly Piston Ring Set +0.030" Oversize Bore
MAHLE 41286CP.040 Original Engine Piston Ring Set Oversize - 040
MAHLE 50668CP Original Engine Piston Ring Set Plain AMC / Buick
Representative Photo, actual item may vary
Representative Photo, actual item may vary
Representative Photo, actual item may vary
MAHLE 40533CP.020 Premium Engine Piston Ring Set Over - 0.020
What's here for your Jeep J20
- Engine Piston Ring Sets
- Individual Engine Piston Rings
- Engine Connecting Rod Bearing Sets
- Engine Crankshaft Main Bearing Sets
- Engine Oil Drain Plugs
- Engine Mounts
The widest selection here comes from MAHLE, Dorman, Hastings, and Sealed Power, covering OE-replacement and performance-oriented options in materials and configurations suited to the Jeep J20's 1974–1988 production run. Other categories Jeep J20 owners shop for: Jeep J20 Exterior Lights, Jeep J20 Steering Gear and Parts and Jeep J20 Springs and Suspension Parts, or browse all Jeep J20 parts and accessories.