Crankshaft Main Bearing; 0.001 Inch (87-90 Jeep Wrangler YJ)

OEM Replacement for Main Bearing. Jeep crankshaft main bearings are quite durable, but over time they’ll wear out and require replacement. This Crankshaft Main Bearing lets you replace the 0.001 inch main bearing with an application-specific replacement. It’s made according to OEM specifications so you know it’ll fit and function just like the stock part that has been factory-discontinued.

High-Quality Construction. inch These Crankshaft Main Bearings have been precisely machined from high-grade materials to provide the fit, strength, and durability to match OEM standards.

Professional Installation Recommended. The Crankshaft Main Bearing is a direct fit replacement and requires no additional fabrication. However, professional installation is recommended due to the complexity of replacing the crankshaft main bearings.

Twelve-Month/12,000 Mile Warranty. The Crankshaft Main Bearing is guaranteed to the original purchaser to be free of defects in material or workmanship. Exclusions will apply.

Application. This Crankshaft Main Bearing is designed to fit 1987-1990 Jeep Wrangler 2.5L or 4.2L YJ models.

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