1991 Peterbilt 320 Serpentine Belts
Save up to 40% on original replacement 1991 Peterbilt 320 Serpentine Belts. Navigate our online catalogue to find Serpentine Belts and other parts designed specifically to fit a 1991 Peterbilt 320.






Serpentine Belt - Alternator
$28.42
$25.16
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 34in Long Belt
with 34in Long Belt





Serpentine Belt - Alternator
$33.88
$30.10
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 38-1/4in Long Belt
with 38-1/4in Long Belt





Serpentine Belt - Alternator
$43.75
$38.08
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 38-3/4in Long Belt
with 38-3/4in Long Belt





Serpentine Belt - Fan
$72.12
$63.86
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 51in Long Belt
with 51in Long Belt





Serpentine Belt - Fan
$66.07
$58.92
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 55-1/4in Long Belt
with 55-1/4in Long Belt





Serpentine Belt - Fan
$60.08
$50.52
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Italy
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 56-1/2in Long Belt
with 56-1/2in Long Belt





Serpentine Belt - Fan
$76.73
$64.49
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
with 57in Long Belt
with 57in Long Belt





Serpentine Belt - Fan, Alternator and Water Pump
$84.03
$68.81
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
with 69-1/2in Long Belt
with 69-1/2in Long Belt





Serpentine Belt - Main Drive
$83.95
$73.55
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
with 70-1/2in Long Belt
with 70-1/2in Long Belt

Serpentine Belt - Alternator
$22.35
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 33 1/2" Belt
W/ 33 1/2" Belt

Serpentine Belt - Alternator
$26.91
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 37 1/2" belt
W/ 37 1/2" belt

Serpentine Belt - Alternator
$26.85
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 38" Belt
W/ 38" Belt

Serpentine Belt - Fan
$57.29
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 50 1/2" belt
w/ 50 1/2" belt

Serpentine Belt - Fan
$54.95
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 53" belt
w/ 53" belt

Serpentine Belt - Fan
$52.49
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 54 1/2" Belt
w/ 54 1/2" Belt

Serpentine Belt - Fan
$52.82
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 56 3/8" belt
w/ 56 3/8" belt

Serpentine Belt - Fan
$67.43
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 57" Belt
w/ 57" Belt

Serpentine Belt - Fan and Alternator
$70.74
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);


Serpentine Belt - Fan
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/ 56 3/8" belt
w/ 56 3/8" belt


Serpentine Belt - Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 33 1/2" Belt
W/ 33 1/2" Belt


Serpentine Belt - Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 37 1/2" belt
W/ 37 1/2" belt


Serpentine Belt - Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 37 1/2" belt
W/ 37 1/2" belt


Serpentine Belt - Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136); Engine Designation: L10; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
W/ 38" Belt
W/ 38" Belt