OER 1974-84 Chevy, GMC Pickup, Blazer, Jimmy, Suburban Coolant Overflow Bottle Cap “Engine Coolant Only”

Part Number: 15588032-OER

OER 1974-84 Chevy, GMC Pickup, Blazer, Jimmy, Suburban Coolant Overflow Bottle Cap “Engine Coolant Only”

Part Number: 15588032-OER

Original price was: $11.44.Current price is: $9.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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1974-84 Chevy, GMC Pickup, Blazer, Jimmy, Suburban Coolant Overflow Bottle Cap “Engine Coolant Only”

Ensure your vintage Chevy or GMC remains in pristine condition with our premium OER® reproduction coolant overflow bottle cap. Designed for models from 1974 to 1984, this essential component features exacting specifications and outstanding craftsmanship, guaranteeing a reliable seal that keeps your engine coolant where it belongs.

Key Features and Benefits

  • Authentic Design: Manufactured with injection-molded tooling, this cap mimics the original part, offering a factory-fresh appearance.
  • Functional Recovery Hose Fitting: Each cap includes a recovery hose fitting just like the original, ensuring optimal function in your cooling system.
  • Easy Installation: Designed for a seamless fit on compatible vehicle models, making installation a breeze for enthusiasts and mechanics alike.
  • Durability: Made to withstand the rigors of engine heat and pressure, this cap is built to last, providing peace of mind during every drive.

Technical Specifications

  • Part Number: 15588032
  • Brand: OER

Fitment Information

This coolant overflow bottle cap is compatible with the following models:

Chevrolet Truck Applications:

  • 1974 – 1974 Chevrolet Blazer
  • 1975 – 1984 Chevrolet C10
  • 1974 – 1974 Chevrolet C10 Pickup
  • 1974 – 1984 Chevrolet C10 Suburban
  • 1975 – 1984 Chevrolet C20
  • 1974 – 1974 Chevrolet C20 Pickup
  • 1974 – 1984 Chevrolet C20 Suburban
  • 1975 – 1984 Chevrolet C30
  • 1974 – 1974 Chevrolet K10 Pickup
  • 1975 – 1984 Chevrolet K10 Suburban
  • And many more…

GMC Truck Applications:

  • 1975 – 1978 GMC C15
  • 1974 – 1974 GMC C15/C1500 Pickup
  • 1979 – 1984 GMC C1500
  • 1974 – 1984 GMC Jimmy
  • And many more…

This coolant overflow bottle cap is a must-have for your classic vehicle restoration or maintenance project. Don‚Äôt settle for less when it comes to keeping your engine cool‚Äîupgrade to a part that reflects the quality and performance of your cherished Chevy or GMC. Order yours today and enjoy peace of mind knowing your vehicle’s cooling system is protected!

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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