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Manual Transmission Mainshaft; with T150 Transmission (76-79 Jeep CJ7; 76-79 CJ5)

Item J152045-CJ
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      Product Information

      Features, Description, Q&A


      • Manual Transmission Mainshaft
      • 10 Input Splines
      • 1.125-Inch Input Shaft Diameter
      • Sold Individually
      • Hardened Steel Construction
      • Expert Installation
      • 12-Month or 12,000-Mile Manufacturer Warranty
      • Fits 1976-1979 Jeep Wrangler CJ5 and CJ5 Vehicles


      Ultimate Manual Transmission Mainshaft. The mainshaft part sits above the layshaft and delivers power to the differential and the wheels. Whether your old main shaft is damaged or you’re assembling a new vehicle, Crown Automotive has the perfect solution for you. Affordable price, heavy-duty material, and highly functional design make this product the best bang for your buck.

      State-of-the-art Construction. Crown Automotive has made sure the essential vehicle components are of the highest quality and best design. The hardened steel construction ensures this crucial Jeep Wrangler part operates at 100% even when under pressure and remains in intact condition for years down the road. Have peace of mind knowing your investment pays off the moment the part is installed.

      Complex Installation. It’s not advisable to install the Manual Transmission Mainshaft without prior consultation with a mechanic. As one of the most important components of your gearbox, this part needs to be installed with utmost caution. The element connects to numerous other components and the quality of installation can bring into question the overall Wrangler performance and safety.

      12-Month or 12,000-Mile Warranty. Crown Automotive is committed to delivering products up to the highest industry standards. As a way of showing that, the manufacturer offers a 12-month or 12,000-mile warranty, whichever comes first. This ensures that your purchase is safe against craftsmanship and material defects. However, the policy excludes wear and tear, accidental damage, and incorrect installation.

      Application. This Jeep Wrangler Manual Transmission Mainshaft with T150 Transmission is designed to fit all Jeep CJ7 and CJ5 vehicles built between 1976-1979.

      Installation Difficulty. Installing the Jeep Wrangler Manual Transmission Mainshaft requires advanced mechanical skills and should only be done by experts. The installation time can take anywhere between six to eight hours.


      • 1976 Jeep Wrangler
      • 1977 Jeep Wrangler
      • 1978 Jeep Wrangler
      • 1979 Jeep Wrangler

      CA Residents: WARNING: Cancer and Reproductive Harm -


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