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Crankshaft Main Bearing (72-81 Jeep CJ5 & CJ7)Find parts that fit my vehicle

Item J144640-CJ
ExtremeTerrain no longer carries the Crankshaft Main Bearing (72-81 Jeep CJ5 & CJ7). Please check out Jeep CJ7 Engine Performance Parts for 1976-1986 Wrangler for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation

    Features

    • Crankshaft Main Bearing
    • High-Strength Steel Backing
    • Premium Tri-Metal Lining
    • Precision Engineered Oil Grooves
    • Optimized Clearance for Lubrication
    • High Load Carrying Capacity
    • Wear-Resistant Surface
    • Corrosion-Resistant Finish
    • Reduced Friction Design
    • Six-Hour Installation
    • Limited Warranty
    • Fits 1972-1981 Jeep CJ5 & CJ7 Models

    Description

    Uncompromising Internal Support and Engine Longevity. The Crankshaft Main Bearing is precision-engineered to provide the essential foundation for the rotating assembly of your 1972-1981 Jeep CJ5 & CJ7. By reducing friction between the crankshaft and the engine block, the Crankshaft Main Bearing ensures that your engine operates smoothly even under the high torque demands of off-road driving. It is a critical component for any 1972-1981 Jeep CJ5 & CJ7 restoration, offering the structural integrity needed to prevent premature engine wear and catastrophic failure.

    Advanced Metallurgical Composition for Extreme Durability. Manufactured from high-grade, multi-layer alloys, the Crankshaft Main Bearing is designed to withstand the immense pressures and thermal loads generated by the AMC inline-six or V8 engines. The specialized lining of the Crankshaft Main Bearing allows it to embed small debris particles safely, protecting the crankshaft journals of your 1972-1981 Jeep CJ5 & CJ7 from scoring or damage. This robust construction ensures that the Crankshaft Main Bearing provides a reliable, long-term service life throughout thousands of miles of rugged trail use and highway cruising.

    Installation. Putting this Crankshaft Main Bearing on your Jeep CJ5 & CJ7 takes 6 hours to install.

    Warranty. There is a limited warranty on this product.

    Application. The Crankshaft Main Bearing fits 1972-1981 Jeep CJ5 & CJ7 models.

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 6 Hours

    Difficulty Level:

    Light to Moderate mechanical skill required.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • (1) Main Bearing Set
    4.6

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    Questions & Answers

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