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TYC 19173 Automatic Transmission Oil Cooler
| Brand | TYC 19173 |
|---|---|
| Connector Type | Quick connector |
| Core Height (in) | 0.63 |
| Core Length (in) | 22.76 |
| Core Thickness (in) | 4.76 |
| Flow Configuration | Crossflow |
| Inlet Diameter (in) | ?12.5 |
| Material | Aluminum |
| Outlet Diameter (in) | ?12.5 |
| Total Tube Count | 11 |
| Fits | Buick and Chevrolet · 9 vehicles |
Quick connector. Simplifies installation with a secure, easy-to-connect fit.
Aluminum construction. Helps shed heat efficiently for dependable transmission cooling.
Crossflow design. Promotes steady fluid movement through the cooler.
Cross-references 42670685 and GM4050137 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Automatic Transmission Oil Cooler for Encore GX and Trailblazer
TYC 19173 is an aluminum automatic transmission oil cooler built for direct-fit service on select Buick and Chevrolet applications. It uses a crossflow core design with quick connectors and OE-style inlet and outlet sizing for a clean replacement on the 2020-2024 Buick Encore GX and 2021-2024 Chevrolet Trailblazer.
Key Features
- Brand: TYC
- Part number: 19173
- Automatic transmission oil cooler for transmission fluid temperature control
- Aluminum construction for efficient heat transfer
- CrossFlow core configuration
- Quick connector type for OE-style line connection
- Core dimensions: 22.76 in length, 4.76 in thickness, 0.63 in height
- 11 total tubes for fluid cooling flow
- Inlet and outlet diameter: 12.5 mm
Detailed Description
This TYC transmission oil cooler is engineered as a direct replacement for vehicles that use the listed OE-style cooling layout. The aluminum core and crossflow design support transmission fluid heat rejection through a compact cooler assembly, while the quick connector configuration helps match factory-style plumbing. If you need a replacement automatic transmission oil cooler for a Buick Encore GX or Chevrolet Trailblazer, TYC 19173 provides the correct form factor for those applications.
This part cross-references GM 42670685 and GM4050137 for the same application.
What It Helps Address
- Transmission fluid running hotter than normal
- Cooler leakage at the factory cooler assembly
- Restricted fluid flow through a damaged cooler core
- Replacement needs after impact or corrosion damage
- Restoring OE-style transmission cooling on Encore GX and Trailblazer models
Installation Notes and Tips
Verify connector style, inlet and outlet diameter, and cooler dimensions before installation. Inspect transmission lines, seals, and surrounding cooling components for wear or contamination before connecting the new cooler. Confirm fitment for 2020-2024 Buick Encore GX and 2021-2024 Chevrolet Trailblazer applications before ordering or installation.
Quality Assurance
TYC manufactures replacement cooling components with OE-style fit and construction details. Part number 19173 is built with an aluminum core and factory-style quick connector layout to match the listed vehicle applications.
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|---|---|
| 2024 | Buick | Encore GX | Preferred | Sport Utility | FWD | 1.3L | L3 | — |
| 2024 | Chevrolet | Trailblazer | LT | Sport Utility | FWD | 1.3L | L3 | — |
| 2023 | Buick | Encore GX | Essence | Sport Utility | — | 1.2L | L3 | — |
| 2023 | Chevrolet | Trailblazer | LS | Sport Utility | FWD | 1.3L | L3 | — |
| 2022 | Buick | Encore GX | Leather | Sport Utility | FWD | 1.3L | L3 | — |
| 2022 | Chevrolet | Trailblazer | LT | Sport Utility | FWD | 1.3L | L3 | — |
| 2021 | Buick | Encore GX | Preferred | Sport Utility | — | 1.2L | L3 | — |
| 2021 | Chevrolet | Trailblazer | L | Sport Utility | — | 1.2L | L3 | — |
| 2020 | Buick | Encore GX | Preferred | Sport Utility | FWD | 1.3L | L3 | — |
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