TYC 19155 Automatic Transmission Oil Cooler - Auxiliary

Brand TYC 19155
Position Auxiliary
Core Size 19.69" x 5.08" x 1.26"
Fits Chevrolet and GMC · 80 vehicles

Transmission oil cooler. Helps manage fluid temperature in the cooling system.

Compact core size. Measures 19.69 x 5.08 x 1.26 inches for a space-conscious fit.

Cross-references Chevrolet 84173163, GMC 84173163 and Partslink GM4050131 for the same application. See all 3.

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Automatic Transmission Oil Cooler for HD Trucks

TYC 19155 is an auxiliary automatic transmission oil cooler built for 2015-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD, as well as 2015-2016 GMC Sierra 2500 HD and Sierra 3500 HD applications. The core measures 19.69" x 5.08" x 1.26", giving this cooler a direct-fit size profile for the listed heavy-duty truck fitments.

Key Features

  • Auxiliary automatic transmission oil cooler for listed HD truck applications
  • Core size: 19.69" x 5.08" x 1.26"
  • Fits 2015-2016 Chevrolet Silverado 2500 HD, Auxiliary
  • Fits 2015-2016 Chevrolet Silverado 3500 HD, Auxiliary
  • Fits 2015-2016 GMC Sierra 2500 HD, Auxiliary
  • Fits 2015-2016 GMC Sierra 3500 HD, Auxiliary
  • Cross-references Chevrolet/GMC OE number 84173163 and Partslink GM4050131

Detailed Description

TYC Part Number 19155 is an automatic transmission oil cooler for heavy-duty Chevrolet Silverado and GMC Sierra trucks equipped with the auxiliary cooler position. It is sized to match the listed core dimensions and serves as a direct replacement for the OE-style application on 2015-2016 Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models. This part cross-references Chevrolet/GMC OE number 84173163 for the same application.

What It Helps Address

  • Transmission fluid temperature buildup during towing or hauling
  • Reduced cooling performance from a damaged or leaking auxiliary cooler
  • Fitment issues when replacing the factory auxiliary transmission oil cooler
  • Restoring proper fluid cooling in HD truck cooling systems

Installation Notes and Tips

Verify the auxiliary cooler position and compare the core dimensions, 19.69" x 5.08" x 1.26", before installation. Confirm vehicle fitment by matching the application to 2015-2016 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, or Sierra 3500 HD. Inspect connected lines and mounting points for wear or damage during replacement.

Quality Assurance

TYC manufactures replacement cooling components for OE-style applications, and this part is cataloged to interchange with OE number 84173163 and Partslink GM4050131.

This part fits 80 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2016ChevroletSilverado 2500 HDWTExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDWTStandard Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDHigh CountryCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDLTCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDLTZCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDWTCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDLTExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDLTZExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 2500 HDLTStandard Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDWTCab & Chassis6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTZCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTZExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDHigh CountryCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTCab & Chassis6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTStandard Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDWTCrew Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDWTExtended Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDWTStandard Cab Pickup6.6LV8Auxiliary—
2016ChevroletSilverado 3500 HDLTCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDBaseExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDSLTExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDSLEExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDDenaliCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDBaseCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDSLECrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDSLTCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDBaseStandard Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 2500 HDSLEStandard Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLEExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLECab & Chassis6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLTCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDBaseExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLTExtended Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDBaseStandard Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLEStandard Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDBaseCab & Chassis6.6LV8Auxiliary—
2016GMCSierra 3500 HDBaseCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDDenaliCrew Cab Pickup6.6LV8Auxiliary—
2016GMCSierra 3500 HDSLECrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDHigh CountryCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDLTCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDWTStandard Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDWTCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDLTZExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDLTStandard Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDLTExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDLTZCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 2500 HDWTExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDWTStandard Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDWTCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTCab & Chassis6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDWTCab & Chassis6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDWTExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDHigh CountryCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTZCrew Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTZExtended Cab Pickup6.6LV8Auxiliary—
2015ChevroletSilverado 3500 HDLTStandard Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDBaseExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDSLTCrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDBaseCrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDSLEExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDSLTExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDBaseStandard Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDSLEStandard Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDSLECrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 2500 HDDenaliCrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLEExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLTCrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLECrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDDenaliCrew Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLEStandard Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDBaseCab & Chassis6.6LV8Auxiliary—
2015GMCSierra 3500 HDBaseExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLECab & Chassis6.6LV8Auxiliary—
2015GMCSierra 3500 HDSLTExtended Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDBaseStandard Cab Pickup6.6LV8Auxiliary—
2015GMCSierra 3500 HDBaseCrew Cab Pickup6.6LV8Auxiliary—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Chevrolet — 84173163GMC — 84173163Partslink — GM4050131