6T40 Master Transmission Rebuild Kit 1.4L

Overview

This is a master rebuild and overhaul kit for the GM, Chevrolet, GMC, Cadillac 6T40 automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 6T40 repair or rebuild. Every 6T40 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 6T40 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 6T40 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: 6T40

Quality & Service

In-stock parts ship fast; special-order items ship within 3 business days. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for 6T40 transmission parts.