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Heater

Aftermarket heater with fully-brazed aluminum design by Spectra Premium

The heater provides warm air to the passengers’ compartment, and even if considered as part of the air conditioning system, the heater is actually linked to the cooling system. The part distributes the heat generated by the engine in action. Due to its position between the engine and the passenger compartment, this part is one of the most labour intensive to replace.

Spectra Premium offers maximum heater replacement coverage

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Spectra Part Number Most Popular Applications North American VIO
94483 00-99 Cadillac Escalade;
94-92 Chevrolet Blazer;
00-92 Chevrolet C35;
99-88 Chevrolet C1500;
00-88 Chevrolet C2500;
04-88 Chevrolet C3500;
4,341,343
93001 02-97 Ford Expedition;
03-97 Ford F-150;
03-98 Ford F-250;
03-02 Lincoln Blackwood;
02-98 Lincoln Navigator
3,460,618
94582 96-80 Ford Bronco;
94-80 Ford F600;
95-80 Ford F700;
95-80 Ford F800;
96-80 Ford F-150;
2,514,923
94466 02-94 Dodge Ram 1500;
02-94 Dodge Ram 2500;
02-94 Dodge Ram 3500;
02-95 Dodge Ram 4000;
98-93 Jeep Grand Cherokee
2,494,682
93050 14-02 Cadillac Escalade;
13-07 Chevrolet Avalanche;
15-07 Chevrolet Cheyenne;
13-99 Chevrolet Silverado 1500
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Common Heater Failure Symptoms

  • Heater doesn’t warm up
  • Smell coolant inside the car
  • Coolant Leak
  • Mist in the windows
  • Coolant level dropping
  • Engine running hot

Common Causes of Failure

Much like the radiator, the heater suffers from lack of regular cooling system maintenance. In such cases, the coolant fluid’s PH level might increase or become contaminated which in turn corrodes the aluminum of the part. Due to its high position in the cooling system, the heater is affected first by low coolant level. It may also be distorted and leaking after over-heating.

Always replace the heater core at first sign of symptoms to insure that the coolant fluid does not spill in passenger cabin

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