TH350 Master Rebuild Kit 1969-1986 21042 OEM

Overview

Aftermarket master rebuild kit for TH350 automatic transmissions, 1969-1986 model years. Direct-fit replacement built to OEM specifications. Trusted in shops nationwide for TH350 rebuilds and repairs.

Common Symptoms This Part Solves

Slipping in multiple gears, harsh shifts, fluid leaks, burnt fluid smell, mechanical noise. A complete rebuild kit replaces all wear components: frictions, steels, gaskets, seals, sealing rings, bushings.

Specifications

• Transmission: TH350
• Part Type: Master Rebuild Kit
• Brand: Aftermarket
• Part Number: 21042
• Year Range: 1969-1986
• Quality Level: Premium Aftermarket

Fitment

Fits GM, Chevrolet, GMC vehicles equipped with the TH350 automatic transmission, 1969-1986 model years. Cross-check your transmission ID tag and existing part number before ordering. Contact us for fitment verification on borderline year-model combinations.

Quality & Service

Free shipping on orders over $99. Same-day shipping on in-stock parts. All parts are sourced through verified suppliers and inspected before fulfillment. Questions about fitment or installation? Contact our team — we know TH350 transmissions inside and out.