How to replace the Transmission Oil Cooler on a 6L50/6L80/6L90 automatic transmission on 2009 GMC Sierra 1500?

To change the transmission fluid auxiliary cooler of a 6L50/6L80 /6L90 automatic transmission, remove the front grill assembly and separate the transmission oil cooler lines. Unscrew the cooler bolts and push pins then disassemble the cooler. Install the new cooler, fit and fix it, reconnect the lines and re-attach the grill.

OEM 2009 GMC Sierra 1500 Transmission Oil Cooler

Trans Oil Cooler

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2009 GMC Sierra 1500 Transmission Cooler Part Number: 20880895
$192.30 MSRP: $287.45
You Save: $95.15 (34%)
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Product Specifications
- Other Name: Cooler, Transmission Oil; Automatic Transmission Oil Cooler; Auxiliary Cooler; Cooler; Cooler, Transmission Oil Auxiliary; Cooler, Transmission Oil Cooler
- Replaces: 15124639, 25891509, 25877162, 15019344, 15097192, 15015464
- Item Weight: 2.30 Pounds
- Item Dimensions: 44.7 x 12.7 x 36.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 20880895
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 GMC Sierra 1500 Submodels:
- Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS

2009 GMC Sierra 1500 Transmission Oil Cooler

With a comprehensive array of OEM 2009 GMC Sierra 1500 Transmission Oil Cooler, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2009 GMC Sierra 1500 Transmission Oil Cooler are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2009 GMC Sierra 1500 Transmission Oil Cooler Parts and Q&A

Q: How to replace the Transmission Oil Cooler on a 6L50/6L80/6L90 automatic transmission on 2009 GMC Sierra 1500?
A: To change the transmission fluid auxiliary cooler of a 6L50/6L80 /6L90 automatic transmission, remove the front grill assembly and separate the transmission oil cooler lines. Unscrew the cooler bolts and push pins then disassemble the cooler. Install the new cooler, fit and fix it, reconnect the lines and re-attach the grill.