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Dorman 625-634 Engine Oil Cooler Hose Assembly - Outlet (Upper)
| Brand | Dorman 625-634 |
|---|---|
| Position | Outlet (Upper) |
| Color | Natural |
| End 1 Type | Male Threads |
| End 2 Type | Male Threads |
| Length | 28 |
| Material | Rubber/Metal |
| Package Contents | Oil Cooler Line |
| Fits | Chevrolet and GMC · 26 vehicles |
OE direct replacement. Matches original fit and function for reliable repair.
Rubber/metal construction. Combines flexibility with durable metal reinforcement.
Oil cooler line. Restores proper oil circulation between components.
Cross-references 12472309 and B64264 for the same application. See all 2.
Dorman 625-634 Engine Oil Cooler Hose Assembly
This Dorman engine oil cooler hose assembly restores the oil circulation path between the oil cooler and engine with an OE-style fit and function. Built with rubber and metal construction, it is made for direct replacement on select Chevrolet S10, Chevrolet S10 Blazer, GMC Jimmy, GMC Sonoma, GMC S15 Jimmy, and GMC S15 applications.
Key Features
- OE-style replacement for the engine oil cooler line
- Rubber/metal construction for the specified application
- 28-inch length
- Male threads on both ends
- Natural finish
- Direct replacement part number 625-634
Detailed Description
Dorman 625-634 is an engine oil cooler hose assembly engineered to match the fit and function of the original equipment hose assembly. It is used to route oil between the oil cooler and engine, helping maintain proper oil circulation in vehicles that rely on an external cooler line. This part number 625-634 is a direct replacement for select upper outlet applications on 1988-1994 Chevrolet S10 Blazer, 1988-1993 Chevrolet S10, 1992-1994 GMC Jimmy, 1991-1993 GMC Sonoma, 1988-1991 GMC S15 Jimmy, and 1988-1990 GMC S15 models.
This part cross-references 12472309 and B64264 for the same application.
What It Helps Fix
- Oil leaks at the cooler line assembly
- Cracked or deteriorated hose material
- Restricted oil flow between the engine and oil cooler
- Corrosion or wear at threaded connection points
- Loss of proper oil circulation in the upper outlet line
Installation Notes and Tips
Verify the vehicle’s upper outlet configuration before ordering. Confirm thread style, hose length, and routing against the original part to ensure correct installation on your Chevrolet S10 or GMC Jimmy application. Inspect mating surfaces and adjacent oil cooler components for wear or damage before installing the replacement hose assembly.
Quality Assurance
Dorman manufactures replacement components that match original equipment fit and function for repair-focused applications. This oil cooler hose assembly is built to restore the intended oil line routing on the listed vehicles.
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1994 | Chevrolet | S10 Blazer | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1994 | GMC | Jimmy | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1993 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1993 | Chevrolet | S10 Blazer | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1993 | GMC | Jimmy | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1993 | GMC | Sonoma | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1992 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1992 | Chevrolet | S10 Blazer | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1992 | GMC | Jimmy | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1992 | GMC | Sonoma | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1991 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1991 | Chevrolet | S10 Blazer | RWD | — | — | Outlet (Upper) | — |
| 1991 | GMC | S15 Jimmy | RWD | — | — | Outlet (Upper) | — |
| 1991 | GMC | Sonoma | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1990 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1990 | Chevrolet | S10 Blazer | RWD | — | — | Outlet (Upper) | — |
| 1990 | GMC | S15 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1990 | GMC | S15 Jimmy | RWD | — | — | Outlet (Upper) | — |
| 1989 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1989 | Chevrolet | S10 Blazer | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1989 | GMC | S15 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1989 | GMC | S15 Jimmy | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1988 | Chevrolet | S10 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1988 | Chevrolet | S10 Blazer | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1988 | GMC | S15 | RWD | 4.3L | V6 | Outlet (Upper) | — |
| 1988 | GMC | S15 Jimmy | RWD | 4.3L | V6 | Outlet (Upper) | — |
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