OER 1977-90 Impala, Caprice, Bonneville, Catalina, Electra, GM Full Size Aluminum Heater Core with AC Measures 10-1/2″ x 5-5/8″ x 2″

Part Number: 3035420-OER

OER 1977-90 Impala, Caprice, Bonneville, Catalina, Electra, GM Full Size Aluminum Heater Core with AC Measures 10-1/2″ x 5-5/8″ x 2″

Part Number: 3035420-OER

Original price was: $56.29.Current price is: $48.95.

In Stock

( Inventory updated: 06/04/2026 )

Estimated ship date: 2-3 business days

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Upgrade Your Comfort with the 1977-90 GM Full Size Aluminum Heater Core

Revitalize the heating efficiency of your classic vehicle with the high-quality 1977-90 Impala, Caprice, Bonneville, Catalina, Electra, GM Full Size Aluminum Heater Core with AC. Expertly designed for a perfect fit, this crucial heating component ensures that you and your passengers remain cozy during those chilly drives. Say goodbye to the days of ineffective heating and welcome a reliable solution that’s built to perform!

Key Features and Benefits

  • Precision Fit: This heater core is a reproduction of the original assembly, perfectly designed for popular models such as the Chevrolet Impala, Caprice, and others from 1977 to 1990.
  • Durable Aluminum Construction: Crafted from high-quality aluminum, this heater core exhibits exceptional durability and resistance to corrosion, ensuring longevity for your vehicle’s heating systems.
  • Correct Specifications: Measures 10-1/2″ x 5-5/8″ x 2″ and includes correctly bent inlet and outlet tubes to facilitate easy installation.
  • Designed for Performance: Enhances the efficiency of your vehicle’s heating system, providing a warm environment on chilly days.

Technical Specifications

  • Part Number: 3035420
  • Material: Aluminum Core
  • Inlet Size: 5/8″
  • Outlet Size: 3/4″

Fitment Information

This heater core is compatible with a variety of GM full-size models. Here are some key applications:

  • Buick: 1977-1990, including Electra, LeSabre, and Estate Wagon
  • Cadillac: 1977-1985, including DeVille
  • Chevrolet: 1977-1990, including Caprice and Impala
  • Oldsmobile: 1977-1990, including 98 and Delta 88
  • Pontiac: 1977-1981, including Bonneville and Catalina

Close Out in Style

Don’t let an inefficient heating system dampen your driving experience. Upgrade your vehicle today with our 1977-90 GM Full Size Aluminum Heater Core to ensure optimal warmth during your travels. Invest in comfort and reliability—your classic deserves it!

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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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