1990 Pontiac Bonneville Radiator Cap
Navigate our online catalogue to find original replacement Radiator Caps specifically designed to fit a 1990 Pontiac Bonneville.








Radiator Cap
$12.68
10+ In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$8.76
Out of Stock
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:
Relief pressure 16 lb
Relief pressure 16 lb