1991 Peterbilt 377 Serpentine Belt
Browse our online catalogue to find original replacement Serpentine Belts specifically designed to fit a 1991 Peterbilt 377.



1991 Peterbilt 377 Serpentine Belt
$44.85
$40.92
10+ In Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Fan To Air Conditioning
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;



1991 Peterbilt 377 Serpentine Belt
$43.88
$37.70
In Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Water Pump and Idler
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with 43-5/8in Long Belt
with 43-5/8in Long Belt



1991 Peterbilt 377 Serpentine Belt
$32.98
$29.51
In Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
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 35-1/2in Long Belt
with 35-1/2in Long Belt



1991 Peterbilt 377 Serpentine Belt
$43.75
$39.26
In Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
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 38-1/2in Long Belt
with 38-1/2in Long Belt



1991 Peterbilt 377 Serpentine Belt
$66.07
$60.75
Limited Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Fan and Idler
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
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 54-1/2in Long Belt
with 54-1/2in Long Belt



1991 Peterbilt 377 Serpentine Belt
$80.59
$70.30
Limited Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Fan and Idler
Required Per Vehicle: 1
Made in Italy
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;



1991 Peterbilt 377 Serpentine Belt
$24.76
$22.67
Limited Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Water Pump and Idler
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
with 4 Rib Belt with 43in Long Belt
with 4 Rib Belt with 43in Long Belt



1991 Peterbilt 377 Serpentine Belt
$72.12
$65.84
Limited Stock
Condition: New
Ships: Today, Sep. 25th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Fan and Idler
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
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

1991 Peterbilt 377 Serpentine Belt
$21.67
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Water Pump
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;

1991 Peterbilt 377 Serpentine Belt
$72.61
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Fan and Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 71 3/4" belt
w/ 71 3/4" belt

1991 Peterbilt 377 Serpentine Belt
$78.71
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Fan and Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
w/ 72" Belt
w/ 72" Belt

1991 Peterbilt 377 Serpentine Belt
$36.71
In Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Air Conditioning
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;



1991 Peterbilt 377 Serpentine Belt
$32.75
$29.66
Out of Stock
Condition: New
Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
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



1991 Peterbilt 377 Serpentine Belt
$91.97
$77.11
Out of Stock
Condition: New
Fan To Alternator
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
1991 Peterbilt 377 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Air Conditioning
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
1991 Peterbilt 377 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Water Pump
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Manufacturer: Cummins;
1991 Peterbilt 377 Serpentine Belt
Call for Pricing
Out of Stock
Condition: New
Air Conditioning
Required Per Vehicle: 1
Fits: 1991 Peterbilt 377
Equipped With:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;