TH400 Master Transmission Rebuild Kit 1965-1990

Overview

This is a master rebuild and overhaul kit for the GM, Chevrolet, GMC, Cadillac TH400 automatic transmission (1965-1990). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade TH400 repair or rebuild. Every TH400 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 TH400 automatic transmission, 1965-1990. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this TH400 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: TH400
• Year Range: 1965-1990

Quality & Service

Same-day shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for TH400 transmission parts.