6L90 Cooler Line Adapter Plate with Gasket 6AN Fittings 551121-6AN

Overview

This is a transmission cooler / cooler line for the GM, Chevrolet, GMC, Cadillac 6L90 automatic transmission. Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 6L90 repair or rebuild. Every 6L90 order ships fast and is backed by our support team.

What's Included

• a cooler or cooler line that removes heat from the fluid

Fitment

Fits GM, Chevrolet, GMC, Cadillac vehicles equipped with the 6L90 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

Common Symptoms & When to Use

Consider this 6L90 part when you experience:

• overheating and burnt fluid, especially towing or in hot climates
• cheap insurance to extend transmission life on a heavy-duty truck

Specifications

• Transmission: 6L90

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 6L90 transmission parts.