6L90 Master Transmission Rebuild Kit

Overview

This is a master rebuild and overhaul kit 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

• 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 6L90 automatic transmission. Please confirm your transmission model and year before ordering to ensure correct fitment.

CTS 6 SP R/4WD V8 6.0L 6L80E 6L80 2007-2015
CTS-V 6 SP R/AWD V8 6.2L 6L90E 6L90 2008-2015
ESCALADE 6 SP R/4WD V8 6.2L 6L80E 6L80 2006-2018
ESCALADE ESV 6 SP R/4WD V8 6.2L 6L80E 6L80 2006-2018
ESCALADE EXT 6 SP R/4WD V8 6.2L 6L80E 6L80 2006-2013
STS-V 6 SP RWD V8 4.4L 6L80E 6L80 2006-2009
EXPRESS 1500 6 SP R/4WD V6 4.3L V8 4.8L 5.3L 6L80E 6L80 2009-2021
EXPRESS 2500 6 SP RWD L4 2.8L V6 4.3L V8 4.8L 6.0L 6.6L 6L90E 6L90 2009-2021
EXPRESS 3500 6 SP RWD L4 2.8L V6 4.3L V8 4.8L 6.0L 6.6L 6L90E 6L90 2009-2021
EXPRESS 4500 6 SP RWD V8 6.0L 6.6L 6L90E 6L90 2010-2019
2500HD 6 SP R/4WD V8 6.0L 6.6L 6L90E 6L90 2007-2022
3500HD 6 SP R/4WD V8 6.0L 6.6L 6L90E 6L90 2007-2022
YUKON 1500 6 SP R/4WD V8 4.8L 5.3L 6.2L 6L80E 6L80 2006-2020
YUKON XL 1500 6 SP R/4WD V8 5.3L 6.0L 6.2L 6L80E 6L80 2006-2020
YUKON XL 2500 6 SP R/4WD V8 6.0L 6L90E 6L90 2006-2013

Common Symptoms & When to Use

Consider this 6L90 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: 6L90

Quality & Service

Same-day shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Transmission Parts — your source for 6L90 transmission parts.