1978 Buick Riviera Fuel Tank Cap
Navigate our online catalogue to find original replacement Fuel Tank Caps specifically designed to fit a 1978 Buick Riviera.








Fuel Tank Cap
$27.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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);







Fuel Tank Cap
$27.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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);







Fuel Tank Cap
$27.72
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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);







Fuel Tank Cap
$17.95
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$17.95
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$17.95
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$17.95
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$17.95
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$17.95
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap
Black Cap







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap
Black Cap







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$25.09
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap
Black Cap







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Black Cap Includes 2 caps, same key.
Black Cap Includes 2 caps, same key.







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Includes 2 caps, same key.
Includes 2 caps, same key.







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Black Cap Includes 2 caps, same key.
Black Cap Includes 2 caps, same key.







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Includes 2 caps, same key.
Includes 2 caps, same key.







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Black Cap Includes 2 caps, same key.
Black Cap Includes 2 caps, same key.







Fuel Tank Cap
$30.45
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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:
Includes 2 caps, same key.
Includes 2 caps, same key.







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$10.68
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap with Tether
Black Cap with Tether







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap with Tether
Black Cap with Tether







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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);







Fuel Tank Cap
$15.03
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
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:
Black Cap with Tether
Black Cap with Tether







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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);







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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);







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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);







Fuel Tank Cap
$17.27
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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);







Fuel Tank Cap
$31.85
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
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:
Black Cap
Black Cap







Fuel Tank Cap
$19.84
Out of Stock
Condition: New
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);







Fuel Tank Cap
$19.84
Out of Stock
Condition: New
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);







Fuel Tank Cap
$19.84
Out of Stock
Condition: New
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);







Fuel Tank Cap
$16.36
Out of Stock
Condition: New
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);







Fuel Tank Cap
$16.36
Out of Stock
Condition: New
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);







Fuel Tank Cap
$16.36
Out of Stock
Condition: New
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);