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3,8 / 4,2 Liter 6-Cylinder
3.8L & 4.2L 6-Cyl. Engine Parts for Jeep CJ5 (1972–1983)
Engine Replacement & Upgrade Parts for Jeep CJ5 3.8L & 4.2L Inline-Six (1972–1983)
Restore the legendary smoothness of your CJ5. We offer everything for the 232 and 258 Cui engines – from precision engine rebuilds to vibration-reducing mounts using high-end polyurethane components.
- Rotating Assembly & Valvetrain: Sealed Power pistons, valves, seats, and bearing kits by Enginetech.
- Timing: Complete timing chain kits and guides for precise engine timing.
- PU Upgrades: Engine, transmission, and bump stop mounts by Prothane.
- Sealing: RT Off-Road valve covers, oil pans, filters, and gasket sets by Crown.
Complete Engine Restoration for Your Jeep CJ5: Power and Longevity
The 3.8L and 4.2L inline-six engines are the reliable workhorses of the Jeep CJ5. To ensure these 1972-1983 powerplants deliver their full torque on the trail, high-precision components are essential during any overhaul. We carry a specialized selection to address mechanical wear and perfect the driving character of your classic Jeep.
Trusted Brands: Sealed Power, Enginetech, and Prothane
For internal engine work, we rely on
Sealed Power pistons and premium
camshaft, rod, and main bearings from
Enginetech. Perform a professional head rebuild with our intake and exhaust valves plus new valve seats. To effectively isolate engine vibrations, we stock polyurethane engine, transmission, and bump stop mounts from
Prothane. For a clean look and a leak-free engine, we offer
RT Off-Road and Crown valve covers, complemented by precision-fit head and valve cover gaskets as well as
Standard Ignition PCV valves.
Expert Support for Your CJ5 Six-Cylinder Build
We help you bring your inline-six back to peak technical condition. Our
outstanding customer service is here to assist in selecting the correct bearing sizes and gasket components. With our
fast shipping, your engine parts will arrive quickly, getting your Jeep CJ5 back on the road or trail with full power.
