6L90 Master Transmission Rebuild Kit

Overview

This is a master rebuild and overhaul kit for the GM, Chevrolet, GMC, Cadillac 6L90 automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 6L90 repair or rebuild. Every 6L90 order ships fast and is backed by our support team.

What's Included

• OE-quality clutch friction plates
• hardened steel clutch plates
• a full gasket and seal set
• molded pistons, rubber O-rings and lip seals
• Teflon and metal-clad sealing rings
• a transmission filter
• bushings, thrust washers and sealing components as applicable

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 6L90 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 6L90 part when you experience:

• slipping or delayed engagement
• harsh, flaring or erratic shifts
• burnt or discolored transmission fluid
• high-mileage wear or a prior failure
• overheating and loss of line pressure

Specifications

• Transmission: 6L90

Quality & Service

Same-day shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for 6L90 transmission parts.