2021 Peterbilt 337 Serpentine Belt
Navigate our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 2021 Peterbilt 337.






Serpentine Belt
$92.27
$76.07 CAD
In Stock
Condition: New
Ships: Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Fan
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);





Serpentine Belt
$71.05
$62.91 CAD
In Stock
Condition: New
Ships: Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Fan
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);
Aspiration: Turbocharged; Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.);





Serpentine Belt
$71.05
$62.91 CAD
In Stock
Condition: New
Ships: Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Pick-Up: Ready in 1 Hour Tuesday Oct. 14th
Fan
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Fuel Type: DIESEL;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Fuel Type: DIESEL;

Serpentine Belt
$74.60 CAD
In 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)
Fan
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);

Serpentine Belt
$56.45 CAD
10+ In 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)
Accessory Drive
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;