1978 Mercury Marquis HVAC Heater Hoses
Save up to 40% on original replacement 1978 Mercury Marquis HVAC Heater Hoses. Navigate our online catalogue to find HVAC Heater Hoses and other parts designed specifically to fit a 1978 Mercury Marquis.




HVAC Heater Hose - Heater Hose
$8.59
$8.82
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Curved
Curved



HVAC Heater Hose - Heater Hose
$8.59
$8.82
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Curved
Curved



HVAC Heater Hose - Heater Hose
$23.19
$23.44
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Curved, Short Hose
Curved, Short Hose



HVAC Heater Hose - Heater Hose
$23.19
$23.44
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Curved, Short Hose
Curved, Short Hose



HVAC Heater Hose - Heater Hose
$30.15
$29.00
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Short Hose
Short Hose



HVAC Heater Hose - Heater Hose
$30.15
$29.00
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Curved, Long Hose
Curved, Long Hose



HVAC Heater Hose - Heater Hose
$37.25
$34.76
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Pick-Up: Ready in 1 Hour Monday Sep. 29th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Long Hose
Long Hose

HVAC Heater Hose - Heater Inlet
$6.90
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);

HVAC Heater Hose
$10.52
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Molded 5/8" Hose
Molded 5/8" Hose

HVAC Heater Hose
$10.52
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Molded 5/8" Hose
Molded 5/8" Hose

HVAC Heater Hose - Heater Outlet
$15.72
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);

HVAC Heater Hose
$59.72
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Straight Hose 5/8" x 24"
Straight Hose 5/8" x 24"

HVAC Heater Hose
$59.72
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Straight Hose 5/8" x 24"
Straight Hose 5/8" x 24"

HVAC Heater Hose
$59.72
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Straight Hose 5/8" x 24"
Straight Hose 5/8" x 24"




HVAC Heater Hose - Heater Hose
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Straight, 5/8 In.
Straight, 5/8 In.




HVAC Heater Hose - Heater Hose
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Straight, 5/8 In.
Straight, 5/8 In.




HVAC Heater Hose - Heater To Water Pump
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
5/8 In.
5/8 In.