1981 Buick Riviera HVAC Heater Hose
Navigate our online catalogue to find original replacement HVAC Heater Hoses specifically designed to fit a 1981 Buick Riviera.




HVAC Heater Hose
$17.48
10+ In Stock
Ships: Today, Sep. 30th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Curved, 5/8 In.
Curved, 5/8 In.



HVAC Heater Hose
$23.44
In Stock
Ships: Today, Sep. 30th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Curved, 5/8 In.
Curved, 5/8 In.



HVAC Heater Hose
$35.00
$33.81
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Curved, 3/4 In.
Curved, 3/4 In.



HVAC Heater Hose
$35.47
$30.10
In Stock
Ships: Today, Sep. 30th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Vehicle Fitment Notes:
Curved, 3/4 In.
Curved, 3/4 In.

HVAC Heater Hose
$12.80
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Heater Inlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Type: DIESEL;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Type: DIESEL;
Vehicle Fitment Notes:
Molded 5/8" Hose
Molded 5/8" Hose

HVAC Heater Hose
$16.58
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Heater Inlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Vehicle Fitment Notes:
Use Connector 65624
Use Connector 65624

HVAC Heater Hose
$18.43
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Heater Outlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Vehicle Fitment Notes:
Use Connector 65625
Use Connector 65625

HVAC Heater Hose
$25.82
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Pipe-2 To Water Pump
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

HVAC Heater Hose
$26.14
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Heater Outlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Vehicle Fitment Notes:
Molded 3/4" Hose Cut to Fit
Molded 3/4" Hose Cut to Fit

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)
Heater Inlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
5/8" x 18"
5/8" x 18"

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)
Heater Inlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Vehicle Fitment Notes:
Also available in Hy-T Red and Hi-Miller Blue 5/8" x 12"
Also available in Hy-T Red and Hi-Miller Blue 5/8" x 12"

HVAC Heater Hose
$71.82
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)
Heater Outlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Aspiration: Turbocharged; Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
3/4" x 12"
3/4" x 12"

HVAC Heater Hose
$71.82
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)
Heater Outlet
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Type: DIESEL;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Type: DIESEL;
Vehicle Fitment Notes:
Straight Hose 3/4" x 48"
Straight Hose 3/4" x 48"




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Vehicle Fitment Notes:
Straight, 3/4 In.
Straight, 3/4 In.




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Straight, 3/4 In.
Straight, 3/4 In.




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Straight, 5/8 In.
Straight, 5/8 In.




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Engine Base: 4.1L 252ci V6 (3.97x3.40; 100.7x86.4);
Vehicle Fitment Notes:
5/8 In.
5/8 In.




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1);
Vehicle Fitment Notes:
Straight, 5/8 In.
Straight, 5/8 In.




HVAC Heater Hose
Call for Pricing
Out of Stock
Heater Hose
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Straight, 5/8 In.
Straight, 5/8 In.