6L45 Overhaul Rebuild Kit with Gaskets, Seals & Rings

Overview

This is a master rebuild and overhaul kit for the GM, Chevrolet, GMC, Cadillac 6L45 automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 6L45 repair or rebuild. Every 6L45 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 6L45 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 6L45 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: 6L45

Quality & Service

In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70 to the lower 48 states. Backed by Core Transmission Parts — your source for 6L45 transmission parts.