3T40 Overhaul Gasket & Seal Kit

Overview

This is a overhaul gasket and seal kit for the GM, Chevrolet, GMC, Cadillac 3t40 automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 3t40 repair or rebuild. Every 3t40 order ships fast and is backed by our support team.

What's Included

• all gaskets and seals needed for a reseal or overhaul
• pan gasket, sealing rings, O-rings and lip seals

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 3t40 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 3t40 part when you experience:

• external fluid leaks
• seeping pan or case seals
• a reseal during service or rebuild

Specifications

• Transmission: 3t40

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 3t40 transmission parts.