OER 1985-91 Chevrolet, GMC Pickup, Blazer, Jimmy, Suburban Radiator Overflow Tank and Cap

Part Number: 15531514-OER

OER 1985-91 Chevrolet, GMC Pickup, Blazer, Jimmy, Suburban Radiator Overflow Tank and Cap

Part Number: 15531514-OER

Original price was: $40.19.Current price is: $34.95.

In Stock

( Inventory updated: 07/27/2026 )

Estimated ship date: 2-3 business days

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1985-91 Chevrolet, GMC Pickup, Blazer, Jimmy, Suburban Radiator Overflow Tank and Cap

Upgrade your vehicle’s cooling system with the top-quality radiator overflow tank and cap designed specifically for 1985-91 Chevrolet and GMC models. This essential component not only enhances your engine’s performance but also ensures your vehicle maintains optimal operating temperatures, ultimately extending its lifespan.

Key Features and Benefits

  • Exact Reproduction: This overflow tank and cap are manufactured to match the original configuration, ensuring perfect fitment and appearance.
  • Durable Construction: Crafted from high-quality materials that resist cracking, this replacement offers long-lasting performance and reliability.
  • Easy Installation: Designed for straightforward installation, allowing you to replace the cracked or missing original component without hassle.
  • Comprehensive Kit: The package includes both the overflow tank and matching cap, making it a complete solution for your needs.
  • OEM Compatibility: Replaces GM part numbers 15531514 and 14011345, ensuring compatibility with various Chevrolet and GMC models.

Technical Specifications

  • Part Number: 15531514
  • Brand: OER

Fitment Information

This radiator overflow tank and cap are compatible with a wide range of Chevrolet and GMC models, including:

  • 1985 – 1991 Chevrolet Truck
  • 1985 – 1986 Chevrolet C/K Series
  • 1987 – 1991 Chevrolet Blazer
  • 1985 – 1991 Chevrolet Suburban
  • 1985 – 1991 GMC Jimmy
  • 1985 – 1991 GMC Truck Series

This product is a must-have for any restoration or maintenance project, providing peace of mind and assurance in your vehicle’s performance. Dont let a worn-out overflow tank compromise your engine’s efficiency-invest in the 1985-91 Chevrolet, GMC Pickup, Blazer, Jimmy, Suburban Radiator Overflow Tank and Cap today and enjoy reliable operation for years to come!

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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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