Product Details

Transgo oversized pressure regulator valve kit for the GM 6L45E, 6L50E, 6L80, and 6L90 automatic transmission.

Product specifics:

• Brand: Transgo
• Part number: 6L80-PR-OS
• Covered models: 6L45E, 6L50E, 6L80E, 6L90E.
• Makes: GM, BMW, Buick, Cadillac, Chevrolet, GMC, Hummer, and Pontiac
• Year range: 2006-up
• Country of origin: USA
• Transmission removal required: Yes
• Tool required for installation: 6L80-PR-TK
• Genuine Transgo brand: YES

The 6L80 oversize pressure regulator valve for high mileage pumps. A quick, easy ream, then simply drop-in the TransGo PR valve components and you’re done. No additional cross-drilling and plugging required.

Corrects, Prevents, Reduces:

• Extreme or low pressure due to worn pressure regulator bore.
• Restores proper pressure regulator function.

Features:

• Engineered with longer valve lands for increased durability and longevity and machined for full-time line-to-lube.
• Oversized for extremely worn bores and/or high mileage vehicles.
• New pressure regulator spring delivers increased line pressure to compensate for warp and wear.

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.

BMW (18 bolt transmission pan)

• 116i, 118i, 120i, 125i, 128i, 130i 2007-2012
• 316i, 318i, 320i, 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi 2007-2009
• X3 2.5si, 3.0i, 3.0si 2007-2011

Buick

• Electra 2010-2011
• Park Avenue 2010-2011

Cadillac

• ATS 4cyl 2012-2013
• ATS V6 2012-up
• CTS 2.8L 2007
• CTS 6.0L 2007-2009
• CTS V6 2007-up
• Escalade, EXT, ESV 2007-2015
• SRX Wagon 2007-2009
• STS 2007-2012
• STS-V V8 Supercharged 2006-2011
• XLR 2006-2009

Chevrolet

• Avalanche 1500 2009-2012
• Camaro V8 naturally aspirated 2009-2015
• Caprice 2009-2013
• Colorado 5.3L 2008-2012
• Corvette 2007-2014
• Express Van 1500 2009-2017
• Silverado Truck 1500, 2500 2008-2021
• Suburban 1500 2009-2020
• Tahoe 2009-2020

GMC

• Canyon 5.3L 2008-2012
• Savana Van 2500 2009-2017
• Sierra Truck 1500, 2500 2008-2021
• Yukon 2009-2020
• Yukon XL 1500 2009-2020
• Yukon Denali 2007-2015

Hummer

• H2 2008-2010
• H3 5.3L 2008-2011

Pontiac

• G8 V8 2008-2010

These transmissions are part of the Turbo Hydramatic or Hydra-Matic series and also known by the following codes and part numbers: 6L45, 6L45E, 6L45-E, MYA, 6L50, 6L50E, 6L50-E, MYB, 6L80, 6L80E, 6L80-E, MYC, 6L90, 6L90E, 6L90-E, MYD.

This transmission oversize pressure regulator valve kit fits the following years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017, 2018, 2019, 2020, and 2021.

Note on authenticity: Transgo has released a statement regarding the authenticity of some of the cheaper valve kits being sold on the internet. Not all are authentic. If it is too cheap to be true, it is probably not a true Transgo brand.