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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" 3035420

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" 3035420
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" 3035420OER 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" 3035420OER 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" 3035420OER 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" 3035420OER 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" 3035420
$70.99 ea
NEWARRIVING SOONEstimated Ship Date 02/17/2026 (If Ordered Today)2 Available from OER as of 01/29/2026
Model: 3442863
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Reproduction of the original style heater core assembly for use with 1977-90 Chevrolet Impala, Caprice, Pontiac Bonneville, Catalina, and other GM full size models with air conditioning. Manufactured in quality aluminum material and designed to fit and function as original, each heater core features inlet and outlet tubes in correct length and with correct bends. Be sure to check the original heater core measurements to insure a proper replacement. Be sure to check the original heater core measurements to insure a proper replacement. Measures 10-1/2" x 5-5/8" x 2".

Heater Core Specifications:
  • Aluminum Core
  • Measures; 10-1/2" x 5-5/8" x 2"
  • Includes 5/8" Inlet
  • Includes 3/4" Outlet
Buick Applications
  • 1977 - 1987 Buick Electra Limited
  • 1980 - 1987 Buick Electra Estate Wagon
  • 1985 - 1987 Buick Electra T-Type
  • 1977 - 1979 Buick Electra 225
  • 1978 - 1987 Buick Electra Park Avenue
  • 1977 - 1983 Buick Estate Wagon
  • 1979 - 1990 Buick LeSabre Limited
  • 1977 - 1990 Buick LeSabre Base
  • 1977 - 1990 Buick LeSabre Custom
  • 1978 - 1981 Buick LeSabre Sport
  • 1985 - 1990 Buick LeSabre Estate Wagon
  • 1987 - 1987 Buick LeSabre T-Type
  • 1977 - 1977 Buick LeSabre Custom Sport
  • 1985 - 1985 Buick LeSabre Collector's Edition
  • 1982 - 1982 Buick LeSabre Limited Edition F/E
Cadillac Applications
  • 1977 - 1985 Cadillac DeVille Base
  • 1977 - 1985 Cadillac DeVille d'Elegance
  • 1978 - 1985 Cadillac DeVille Cabriolet
  • 1978 - 1979 Cadillac DeVille Phaeton
Chevrolet Applications
  • 1986 - 1990 Chevrolet Caprice Base
  • 1977 - 1990 Chevrolet Caprice Classic
  • 1977 - 1982 Chevrolet Caprice Classic Estate
  • 1977 - 1981 Chevrolet Caprice Classic Landau
  • 1986 - 1990 Chevrolet Caprice Classic Brougham
  • 1979 - 1980 Chevrolet Caprice Classic Sport
  • 1987 - 1990 Chevrolet Caprice Classic LS Brougham
  • 1977 - 1990 Chevrolet Caprice
  • 1977 - 1985 Chevrolet Impala
  • 1977 - 1982 Chevrolet Impala Base
  • 1977 - 1977 Chevrolet Impala Custom
  • 1979 - 1980 Chevrolet Impala Sport
  • 1977 - 1979 Chevrolet Impala Landau
  • 1981 - 1982 Chevrolet Impala Estate
Oldsmobile Applications
  • 1977 - 1981 Oldsmobile 98 Luxury
  • 1977 - 1990 Oldsmobile 98 Regency
  • 1987 - 1990 Oldsmobile 98 Regency Touring
  • 1982 - 1990 Oldsmobile 98 Regency Brougham
  • 1987 - 1987 Oldsmobile 98 Regency Grande
  • 1977 - 1990 Oldsmobile Custom Cruiser
  • 1977 - 1990 Oldsmobile Delta 88
  • 1977 - 1983 Oldsmobile Delta 88 Base
  • 1980 - 1981 Oldsmobile Delta 88 Holiday
  • 1977 - 1988 Oldsmobile Delta 88 Royale
  • 1980 - 1988 Oldsmobile Delta 88 Royale Brougham
  • 1984 - 1985 Oldsmobile Delta 88 Royale Brougham LS
Pontiac Applications
  • 1977 - 1981 Pontiac Bonneville
  • 1978 - 1981 Pontiac Bonneville Base
  • 1978 - 1981 Pontiac Bonneville Brougham
  • 1978 - 1981 Pontiac Bonneville Safari
  • 1978 - 1981 Pontiac Catalina Base
  • 1978 - 1981 Pontiac Catalina Safari
  • 1977 - 1981 Pontiac Catalina
About OER

OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.

Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Buick Electra 1977 - 1987
Buick Estate Wagon 1977 - 1983
Buick LeSabre 1977 - 1990
Cadillac DeVille 1977 - 1985
Chevrolet Caprice 1977 - 1990
Chevrolet Impala 1977 - 1985
Oldsmobile 98 1977 - 1990
Oldsmobile Custom Cruiser 1977 - 1990
Oldsmobile Delta 88 1977 - 1990
Pontiac Bonneville 1977 - 1981
Pontiac Catalina 1977 - 1981

Specifications:

Height 13 in
Length 7 in
Weight 2 lbs
Width 7 in

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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" 3035420: