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Dorman 603-120 Washer Fluid Reservoir - Front
| Brand | Dorman 603-120 |
|---|---|
| Position | Front |
| Color | White |
| Material | Plastic |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Package Contents | Washer Fluid Reservoir |
| Reservoir Cap Included | Yes |
| Fits | Chevrolet and GMC · 46 vehicles |
Replacement reservoir. Thoroughly tested for fit and performance on specific applications.
Heat- and vibration-resistant. Built to handle underhood stress.
Plastic construction. Lightweight reservoir with a white finish.
Cross-references 22144433 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Dorman Washer Fluid Reservoir 603-120
This Dorman washer fluid reservoir is a direct replacement for select Chevrolet and GMC vans that need a dependable windshield washer fluid tank. Built from plastic and supplied with a reservoir cap, it is made for front-mounted applications on 1996-2002 Chevrolet Express and GMC Savana models, plus the 2001-2002 Chevrolet G30.
Key Features
- Plastic reservoir construction for underhood use
- White finish for OE-style appearance
- Reservoir cap included
- Replacement part number 603-120
- Direct-fit washer fluid reservoir for front applications
- Cross-reference: 22144433
Detailed Description
Dorman 603-120 is a replacement washer fluid reservoir engineered for specific vehicle applications where the original tank has cracked, leaked, or no longer holds washer fluid properly. The reservoir is manufactured to handle underhood heat and engine vibration, and it is tested for fit and performance on the listed Chevrolet Express, Chevrolet G30, and GMC Savana applications. If you are replacing a worn washer tank on a 1996-2002 Chevrolet Express 1500, Express 2500, or Express 3500, or on a 1996-2002 GMC Savana 1500, Savana 2500, or Savana 3500, this part number 603-120 provides the correct front-mounted reservoir configuration.
What It Helps Fix
- Washer fluid leaks from a cracked reservoir
- Low washer fluid capacity caused by a damaged tank
- Washer system performance issues from a broken reservoir body
- Loss of washer fluid due to cap-related sealing problems
- Replacement needs after heat or vibration damage
Installation Notes and Tips
Confirm the vehicle’s front washer reservoir location before ordering. This reservoir does not include mounting hardware or a mounting bracket, so reuse the existing vehicle-specific components if they are serviceable. Verify hose routing, pump transfer, and cap fitment during installation to help ensure proper washer system operation. This part number 603-120 is intended for the listed applications only.
Quality Assurance
Dorman manufactures this washer fluid reservoir as a tested replacement part for specific fitment and performance requirements. The design focuses on durability in the engine bay and consistent OE-style fit for the listed Chevrolet and GMC applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Express 1500 | — | — | Front | — |
| 2002 | Chevrolet | Express 2500 | — | — | Front | — |
| 2002 | Chevrolet | Express 3500 | — | — | Front | — |
| 2002 | Chevrolet | G30 | — | — | Front | — |
| 2002 | GMC | Savana 1500 | — | — | Front | — |
| 2002 | GMC | Savana 2500 | — | — | Front | — |
| 2002 | GMC | Savana 3500 | — | — | Front | — |
| 2001 | Chevrolet | Express 1500 | — | — | Front | — |
| 2001 | Chevrolet | Express 2500 | — | — | Front | — |
| 2001 | Chevrolet | Express 3500 | — | — | Front | — |
| 2001 | Chevrolet | G30 | — | — | Front | — |
| 2001 | GMC | Savana 1500 | — | — | Front | — |
| 2001 | GMC | Savana 2500 | — | — | Front | — |
| 2001 | GMC | Savana 3500 | — | — | Front | — |
| 2000 | Chevrolet | Express 1500 | — | — | Front | — |
| 2000 | Chevrolet | Express 2500 | — | — | Front | — |
| 2000 | Chevrolet | Express 3500 | — | — | Front | — |
| 2000 | GMC | Savana 1500 | — | — | Front | — |
| 2000 | GMC | Savana 2500 | — | — | Front | — |
| 2000 | GMC | Savana 3500 | — | — | Front | — |
| 1999 | Chevrolet | Express 1500 | — | — | Front | — |
| 1999 | Chevrolet | Express 2500 | — | — | Front | — |
| 1999 | Chevrolet | Express 3500 | — | — | Front | — |
| 1999 | GMC | Savana 1500 | — | — | Front | — |
| 1999 | GMC | Savana 2500 | — | — | Front | — |
| 1999 | GMC | Savana 3500 | — | — | Front | — |
| 1998 | Chevrolet | Express 1500 | — | — | Front | — |
| 1998 | Chevrolet | Express 2500 | — | — | Front | — |
| 1998 | Chevrolet | Express 3500 | — | — | Front | — |
| 1998 | GMC | Savana 1500 | — | — | Front | — |
| 1998 | GMC | Savana 2500 | — | — | Front | — |
| 1998 | GMC | Savana 3500 | — | — | Front | — |
| 1997 | Chevrolet | Express 1500 | — | — | Front | — |
| 1997 | Chevrolet | Express 2500 | — | — | Front | — |
| 1997 | Chevrolet | Express 3500 | — | — | Front | — |
| 1997 | GMC | Savana 1500 | — | — | Front | — |
| 1997 | GMC | Savana 2500 | — | — | Front | — |
| 1997 | GMC | Savana 3500 | — | — | Front | — |
| 1996 | Chevrolet | Express 1500 | — | — | Front | — |
| 1996 | Chevrolet | Express 2500 | 6.5L | V8 | Front | — |
| 1996 | Chevrolet | Express 2500 | 5.7L | V8 | Front | — |
| 1996 | Chevrolet | Express 3500 | — | — | Front | — |
| 1996 | GMC | Savana 1500 | — | — | Front | — |
| 1996 | GMC | Savana 2500 | 6.5L | V8 | Front | — |
| 1996 | GMC | Savana 2500 | 5.7L | V8 | Front | — |
| 1996 | GMC | Savana 3500 | — | — | Front | — |
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