TYC 19168 Automatic Transmission Oil Cooler - Auxiliary
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TYC

TYC 19168 Automatic Transmission Oil Cooler - Auxiliary

Brand TYC 19168
Position Auxiliary
Connector Type Block fitting
Core Height (in) 3.63
Core Length (in) 35.94
Core Thickness (in) 0.63
Flow Configuration Cross flow
Inlet Diameter 16 mm
Outlet Diamter 16 mm
Fits Chevrolet and GMC · 20 vehicles

Cross-flow design. Promotes efficient fluid movement through the cooler.

Block fitting. Simplifies connection with a secure, direct-style hookup.

16 mm inlet and outlet. Sized for consistent transmission fluid flow.

Cross-references TechPro GM4050134 and 23395755 for the same application. See all 2.

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Not what you need? See all Automatic Transmission Oil Cooler options

Automatic Transmission Oil Cooler for GM HD Trucks

TYC 19168 is an automatic transmission oil cooler built for heavy-duty GM truck applications that need stable fluid temperature control. It matches the listed core dimensions, cross-flow layout, and 16 mm inlet and outlet connections for direct replacement use on confirmed fitments.

Compatible with 2020-2024 Chevrolet Silverado 2500 HD and Silverado 3500 HD, as well as 2020-2024 GMC Sierra 2500 HD and Sierra 3500 HD applications listed below.

Key Features

  • Brand: TYC
  • Part number: 19168
  • Automatic transmission oil cooler
  • Cross-flow core configuration
  • Block fitting connector type
  • Core height: 3.63 in
  • Core length: 35.94 in
  • Core thickness: 0.63 in
  • Inlet diameter: 16 mm
  • Outlet diameter: 16 mm

Detailed Description

TYC 19168 is an automatic transmission oil cooler for GM heavy-duty trucks that use the listed auxiliary or N/A positions. The cross-flow design and 35.94-inch core length support efficient fluid cooling in demanding towing and hauling conditions, while the 16 mm inlet and outlet sizes and block fitting connection help match the original-style plumbing layout. This part cross-references TechPro GM4050134 and OE number 23395755 for the same application.

What It Helps Address

  • High transmission fluid temperatures during towing
  • Heat buildup in stop-and-go driving
  • Reduced cooling performance from a worn or leaking cooler
  • Transmission temperature concerns on heavy-duty Silverado and Sierra trucks
  • Replacement needs after cooler damage or corrosion

Installation Notes and Tips

  • Verify the vehicle’s cooler position before ordering: auxiliary or N/A as listed.
  • Confirm inlet and outlet sizing matches the existing lines at 16 mm.
  • Inspect surrounding transmission cooler lines and fittings for wear before installation.
  • Flush the transmission cooling circuit as needed when replacing a failed cooler.
  • Use the fitment list to confirm application by year, make, and model.

Quality Assurance

TYC replacement cooling components are built to match listed dimensions and connection types for the specified applications. Confirmed fitment includes 2020-2024 Chevrolet Silverado 2500 HD and Silverado 3500 HD, plus 2020-2024 GMC Sierra 2500 HD and Sierra 3500 HD.

  • Fits 2024 Chevrolet Silverado 2500 HD, N/A
  • Fits 2024 Chevrolet Silverado 3500 HD, N/A
  • Fits 2024 GMC Sierra 2500 HD, N/A
  • Fits 2024 GMC Sierra 3500 HD, N/A
  • Fits 2020-2023 Chevrolet Silverado 2500 HD, Auxiliary
  • Fits 2020-2023 Chevrolet Silverado 3500 HD, Auxiliary
  • Fits 2020-2023 GMC Sierra 2500 HD, Auxiliary
  • Fits 2020-2023 GMC Sierra 3500 HD, Auxiliary

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersFuel TypePositionNotes
2024ChevroletSilverado 2500 HDHigh Country—6.6LV8GASN/A—
2024ChevroletSilverado 3500 HDWT—6.6LV8GASN/A—
2024GMCSierra 2500 HDSLE—6.6LV8GASN/A—
2024GMCSierra 3500 HDPro—6.6LV8FLEXN/A—
2023ChevroletSilverado 2500 HDLTStandard Cab Pickup6.6LV8GASAuxiliary—
2023ChevroletSilverado 3500 HDLTStandard Cab Pickup6.6LV8GASAuxiliary—
2023GMCSierra 2500 HDProStandard Cab Pickup6.6LV8GASAuxiliary—
2023GMCSierra 3500 HDDenaliCrew Cab Pickup6.6LV8GASAuxiliary—
2022ChevroletSilverado 2500 HDLTZCrew Cab Pickup6.6LV8GASAuxiliary—
2022ChevroletSilverado 3500 HDWTCrew Cab Pickup6.6LV8GASAuxiliary—
2022GMCSierra 2500 HDDenaliCrew Cab Pickup6.6LV8GASAuxiliary—
2022GMCSierra 3500 HDSLECrew Cab Pickup6.6LV8GASAuxiliary—
2021ChevroletSilverado 2500 HDLTZCrew Cab Pickup6.6LV8GASAuxiliary—
2021ChevroletSilverado 3500 HDWTStandard Cab Pickup6.6LV8GASAuxiliary—
2021GMCSierra 2500 HDBaseStandard Cab Pickup6.6LV8GASAuxiliary—
2021GMCSierra 3500 HDBaseCrew Cab Pickup6.6LV8GASAuxiliary—
2020ChevroletSilverado 2500 HDWTExtended Cab Pickup6.6LV8GASAuxiliary—
2020ChevroletSilverado 3500 HDHigh CountryCrew Cab Pickup6.6LV8GASAuxiliary—
2020GMCSierra 2500 HDBaseExtended Cab Pickup6.6LV8GASAuxiliary—
2020GMCSierra 3500 HDBaseExtended Cab Pickup6.6LV8GASAuxiliary—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
TechPro — GM405013423395755