OER 1991 Caprice, Roadmaster, Custom Cruiser Heater Core Assembly with AC Copper/Brass Measures 8″ x 6″ x 2″

Part Number: 52453645-OER

OER 1991 Caprice, Roadmaster, Custom Cruiser Heater Core Assembly with AC Copper/Brass Measures 8″ x 6″ x 2″

Part Number: 52453645-OER

Original price was: $81.59.Current price is: $70.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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1991 Caprice, Roadmaster, Custom Cruiser Heater Core Assembly with AC

Upgrade your vehicle’s heating system with the 1991 Caprice, Roadmaster, Custom Cruiser Heater Core Assembly. This premium replacement part is engineered for optimal performance, ensuring that your classic car remains comfortable no matter the season. Crafted from high-quality copper and brass, this heater core assembly is designed to fit perfectly in your 1991 Chevrolet Caprice, Buick Roadmaster, and Oldsmobile Custom Cruiser models equipped with air conditioning.

Key Features and Benefits

  • Durable Construction: Made from robust copper and brass materials, this heater core is built to withstand the rigors of everyday use while providing excellent heat transfer.
  • Perfect Fit: Engineered to match the original specifications, the heater core features accurately measured inlet and outlet tubes, ensuring a seamless replacement.
  • Easy Installation: Designed for direct fitment, installation is straightforward, making it a hassle-free upgrade for both seasoned mechanics and DIY enthusiasts.
  • Enhanced Comfort: Restore reliable heat to your vehicle’s cabin with this efficient heater core, enhancing your driving experience during colder months.

Technical Specifications

  • Part Number: 52453645
  • Materials: Brass Tank / Copper Core
  • Dimensions: Measures 8″ x 6″ x 2″
  • Inlet Size: 5/8″
  • Outlet Size: 5/8″

Fitment Information

  • Buick Applications:
    • 1991 – 1991 Buick Commercial Chassis
    • 1992 – 1992 Buick Roadmaster Limited
    • 1992 – 1992 Buick Roadmaster Base
    • 1991 – 1992 Buick Roadmaster Estate Wagon
  • Chevrolet Applications:
    • 1991 – 1991 Chevrolet Caprice Base
    • 1991 – 1991 Chevrolet Caprice Classic
    • 1991 – 1991 Chevrolet Caprice Classic LTZ
  • Oldsmobile Applications:
    • 1991 – 1992 Oldsmobile Custom Cruiser

Don’t compromise on comfort or performance. Replace your old heater core with this dependable 1991 Caprice, Roadmaster, Custom Cruiser Heater Core Assembly today and experience efficient heating year-round!

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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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