1978 Buick Estate Wagon HVAC Heater and HVAC Delay Relay
Navigate our online catalogue to find original replacement HVAC Heater and HVAC Delay Relays specifically designed to fit a 1978 Buick Estate Wagon.








HVAC Heater and HVAC Delay Relay
$46.29
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);







HVAC Heater and HVAC Delay Relay
$46.29
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);







HVAC Heater and HVAC Delay Relay
$46.29
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);







HVAC Heater and HVAC Delay Relay
$48.03
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);







HVAC Heater and HVAC Delay Relay
$48.03
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);







HVAC Heater and HVAC Delay Relay
$48.03
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);




HVAC Heater and HVAC Delay Relay
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8);
Vehicle Fitment Notes:
BWD P Series
BWD P Series




HVAC Heater and HVAC Delay Relay
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
BWD P Series
BWD P Series




HVAC Heater and HVAC Delay Relay
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Vehicle Fitment Notes:
BWD P Series
BWD P Series