6L90 Rebuild Kit 6L90E HD HP Automatic Transmission Master Overhaul Banner Box Set

OPT Product Code: OPT-6L90-RB
$449.99
6L90 Rebuild Kit 6L90E HD HP Automatic Transmission Master Overhaul Banner Box Set

Product Details


New 6L90 automatic transmission rebuild kit – Stock to full High Performance

Model specifications:

  • Make: Cadillac, Chevrolet, GMC, GM
  • Transmission model: 6L90, 6L90E, 6L90-E, MYD
  • Speeds: 6-speed automatic
  • Year range: 2007-up
  • Drivetrain: RWD, AWD, 4x4

This transmission box kit comes with the following rebuild parts:

  • Full Transtec overhaul gasket set
  • Complete set of friction clutch plates
  • Front pump Teflon bushing
  • Internal fluid filter

The Transtec gasket set included in this overhaul banner box kit is the highest quality available. The set includes every rubber seal, paper gasket, O-ring, sealing rings, and metal clad seals that you will need to complete your rebuild. The Transtec gasket sets are considered a premium kit, with higher quality gaskets and seals throughout.

Additionally, you can add the following upgrades to this banner overhaul kit:

  • Upgrade to all Raybestos Red HP clutches with black Kolene steel plates
  • ATSG rebuild manual
  • Steel clutch plates – only needed with base level clutches. HP upgrade comes with HP Kolene steels
  • Molded rubber piston kit
  • Transgo Shift Kit
  • Full bushing set
  • Torrington bearing kit
  • Sonnax 4-5-6 apply piston
  • Sonnax pressure switch rebuild kit
  • Sonnax o-ring style end plug kit
  • Transgo pressure regulator valve
  • Sonnax line pressure booster kit
  • Assembly Grease - Lubegard, Life Smart Blend, or Transjel
  • Platinum Lubegard - Insider tip: Many shops use this synthetic supplement in every freshly rebuilt transmission to keep them on the road past the warranty.

The high performance steels and clutches included with the HP upgrade are highly recommended for modified vehicles or drag racing applications. However, this kit also works well for HD towing and 4x4 applications. The HP Red clutch lining handles 300% more heat than the standard clutches, making them perfect for vehicles that generate excessive heat for extended periods. These Red clutches and Kolene steels can be found in Stage 1, 2, & 3 transmissions with up to 1000 hp.

Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them.

These transmissions can be found in the following vehicles; however you should double check your application.  It is common for similar vehicles to have multiple transmission options available from the factory.

Cadillac

  • CTS, CTS-V 6.2L 2009-2013

Chevrolet

  • Camaro V8 supercharged 2009-2016
  • Express Van 3500 2009-present
  • Silverado Truck 2500HD, 3500HD 6.0L 2008-2019, 6.2L 2020-present
  • Suburban 2500 2009-2017

GMC

  • Savana Van 3500 2009-present
  • Sierra Truck 2500HD, 3500HD 6.0L 2008-2019, 6.2L 2020-present
  • Yukon XL 2009-2020

These transmissions are part of the Turbo Hydramatic or Hydra-Matic series and also known as: 6L90, 6L90E, 6L90-E, MYD

This transmission master rebuild kit fits the following years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them.

6L90 Rebuild Kit 6L90E HD HP Automatic Transmission Master Overhaul Banner Box Set

OPT Product Code: OPT-6L90-RB
$449.99

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