1999 Peterbilt 378 Drive Belt Tensioner Pulley
Navigate our online catalogue to find original replacement Drive Belt Tensioner Pulleys specifically designed to fit a 1999 Peterbilt 378.






Drive Belt Tensioner Pulley
$64.61
$53.70
10+ In Stock
Ships: Today, Oct. 2nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan and Alternator
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);





Drive Belt Tensioner Pulley
$64.61
$53.70
10+ In Stock
Ships: Today, Oct. 2nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Fan and Alternator
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);





Drive Belt Tensioner Pulley
$84.29
$71.83
Out of Stock
Fan
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);





Drive Belt Tensioner Pulley
$70.19
$63.45
Out of Stock
Alternator and Air Conditioning
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);