HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-437 Engine Coolant Reservoir - Front
Part #: 603-437

Dorman 603-437 Engine Coolant Reservoir - Front

Front
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac, Vibe
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Reliable Engine Coolant Reservoir for Pontiac Vibe

The Dorman 603-437 engine coolant reservoir is designed specifically for Pontiac Vibe models, providing a durable and efficient solution for your vehicle's cooling system. Made from sturdy plastic with a brown finish, this reservoir ensures proper coolant storage and circulation.

  • Constructed from durable plastic material for long-lasting use
  • Includes a flip-top cap and mounting brackets for secure installation
  • Features four mounting holes for precise fitment
  • Non-pressurized design suitable for Pontiac Vibe cooling systems
  • Package includes one coolant reservoir, one cap, and a fan shroud

Product Details and Specifications

The Dorman 603-437 engine coolant reservoir is engineered to meet the specific requirements of Pontiac Vibe vehicles. Its brown plastic construction resists corrosion and withstands engine bay conditions. The included flip-top cap allows for easy access when checking or refilling coolant levels. With four mounting holes and included brackets, installation is straightforward and secure. This reservoir is non-pressurized, matching the original equipment specifications for proper coolant system function.

Compatible Vehicles and Applications

This engine coolant reservoir is compatible with Pontiac Vibe models, ensuring a precise fit and reliable performance. It is designed to replace worn or damaged reservoirs that may cause coolant leaks or overheating issues.

  • Resolves coolant leaks caused by cracked or damaged reservoirs
  • Prevents engine overheating by maintaining proper coolant levels
  • Eliminates coolant contamination from faulty caps
  • Restores proper coolant circulation within the cooling system

Installation Notes and Tips

Installation of the Dorman 603-437 reservoir requires basic mechanical skills. Ensure the engine is cool before beginning work. Use the included mounting brackets and four mounting holes to secure the reservoir firmly in place. Verify that the flip-top cap is properly seated to prevent leaks. Inspect surrounding hoses and connections for wear during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Pontiac Vibe. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.

BrandDorman
Part Number603-437
Cap IncludedYes
Cap TypeFlip Top
ColorBrown
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity4
Package Contents1 Coolant Reservoir; 1 Cap; Fan Shroud
PressurizedNo

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008PontiacVibe1.8LL4FrontShroud Assembly
2007PontiacVibe1.8LL4FrontShroud Assembly
2006PontiacVibe1.8LL4FrontShroud Assembly
2005PontiacVibe1.8LL4FrontShroud Assembly
2004PontiacVibe1.8LL4FrontShroud Assembly
2003PontiacVibe1.8LL4FrontShroud Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

88972524FRT1234C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.