TYC 19179 Automatic Transmission Oil Cooler

Brand TYC 19179
Core Material Aluminum
Connector Type Block fitting
Core Height (in) 5.43
Core Length (in) 23.94
Core Thickness (in) .87
Flow Configuration Crossflow
Inlet Diameter (in) ?12.5
Outlet Diameter (in) ?12.5
Fits Cadillac · 7 vehicles

Aluminum core. Lightweight construction helps manage transmission fluid heat efficiently.

CrossFlow design. Promotes even fluid movement through the cooler core.

Block fitting. Provides a secure connection for the cooler lines.

Cross-references 84211956 and GM4050138 for the same application. See all 2.

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Automatic Transmission Oil Cooler for Cadillac XT4

TYC 19179 is an automatic transmission oil cooler built with an aluminum core and crossflow design for direct fluid heat exchange. It is a fitment-based replacement for Cadillac XT4 models from 2019-2024, with 2025 Cadillac XT4 coverage for heavy duty cooling applications.

Key Features

  • Aluminum core construction for efficient heat transfer
  • CrossFlow flow configuration for transmission fluid cooling
  • Core dimensions: 23.94 in. length, 5.43 in. height, 0.87 in. thickness
  • Block fitting connector type
  • Inlet and outlet diameter: 12.5 mm
  • Direct replacement application for Cadillac XT4 cooling service

Detailed Product Overview

TYC 19179 is an automatic transmission oil cooler engineered for vehicles that need stable transmission fluid temperature control. The aluminum core supports thermal dissipation, while the crossflow layout and block fitting connection help match the original cooling circuit layout on applicable Cadillac XT4 models. This part number, 19179, is listed for 2019-2024 Cadillac XT4 and also for 2025 Cadillac XT4 with heavy duty cooling. This part cross-references GM applications such as 84211956 and GM4050138 for the same application.

What This Part Helps Address

  • Transmission fluid temperature buildup during stop-and-go driving
  • Reduced cooling performance from a damaged or restricted cooler
  • Fluid overheating concerns under towing or heavier load conditions
  • Leak-related service needs at the transmission cooler assembly
  • Cooling system replacement on a Cadillac XT4 with OE-style fitment

Installation Notes and Tips

Verify the connector style, inlet and outlet diameter, and core dimensions before installation. Confirm vehicle application by year and cooling package, especially for 2025 Cadillac XT4 heavy duty cooling models. Use clean transmission lines and inspect surrounding cooling components during replacement to help maintain proper fluid flow.

Quality Assurance

TYC replacement cooling components are built to meet application-specific fitment requirements and dimensional consistency for service use. Part number 19179 is specified for confirmed Cadillac XT4 applications, supporting a straightforward replacement selection process.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersFuel TypeNotes
2025CadillacXT4Premium LuxurySport Utility2.0LL4—Hvy Duty Cooling
2024CadillacXT4LuxurySport Utility2.0LL4GAS—
2023CadillacXT4LuxurySport Utility2.0LL4GAS—
2022CadillacXT4LuxurySport Utility2.0LL4GAS—
2021CadillacXT4SportSport Utility2.0LL4GAS—
2020CadillacXT4LuxurySport Utility2.0LL4GAS—
2019CadillacXT4BaseSport Utility2.0LL4GAS—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
84211956GM4050138