1968 Plymouth Roadrunner Radiator Cap
Navigate our online catalogue to find original replacement Radiator Caps specifically designed to fit a 1968 Plymouth Roadrunner.








Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.5L 273ci V8;
Engine Base: 4.5L 273ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
Engine Base: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$12.68
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.5L 273ci V8;
Engine Base: 4.5L 273ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
Engine Base: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb







Radiator Cap
$11.15
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
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: 4.5L 273ci V8;
Engine Base: 4.5L 273ci V8;
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: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
Engine Base: 4.5L 4473cc 273ci V8 (3.63x3.31; 92.1x84.1);
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: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
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: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
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: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
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: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
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: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
Relief pressure 16 lb
Relief pressure 16 lb