Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
2003 Mack Mr Parts
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit
![Micro-V Serpentine Belt for Select 1995-2013 Mack, Ford and Other Makes [6-Rib, 72.030 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k060716.jpg)
GATES
Micro-V Serpentine Belt for Select 1995-2013 Mack, Ford and Other Makes [6-Rib, 72.030 in. Outside Circumference]
Part Number: 465-K060716
$6199
Ships on Oct 13, 2026
Lowest price guarantee![Micro-V Serpentine Belt for Select 1995-2013 Mack, Ford and Other Makes [6-Rib, 72.030 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k060716.jpg)
GATES
Micro-V Serpentine Belt for Select 1995-2013 Mack, Ford and Other Makes [6-Rib, 72.030 in. Outside Circumference]
Part Number: 465-K060716
Ships on Oct 13, 2026Lowest Price Guarantee$6199
![Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100554.jpg)
GATES
Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]
Part Number: 465-K100554
$9846
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100554.jpg)
GATES
Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]
Part Number: 465-K100554
Ships on Oct 13, 2026Lowest Price Guarantee$9846
![Green Stripe DriveAlign Heavy Duty Belt Tensioner for 2003-2006 Mack Models [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38611.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for 2003-2006 Mack Models [75 mm Pulley O.D.]
Part Number: 465-38611
$23782
Ships on Oct 13, 2026Lowest price guarantee![Green Stripe DriveAlign Heavy Duty Belt Tensioner for 2003-2006 Mack Models [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38611.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for 2003-2006 Mack Models [75 mm Pulley O.D.]
Part Number: 465-38611
Ships on Oct 13, 2026Lowest Price Guarantee$23782
![FleetRunner V-Belt for Select 1964-2016 Chevrolet, GMC and Other Makes [HC50 Section, 39.900 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-9395hd.jpg)
GATES
FleetRunner V-Belt for Select 1964-2016 Chevrolet, GMC and Other Makes [HC50 Section, 39.900 in. Outside Circumference]
Part Number: 465-9395HD
$6200
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner V-Belt for Select 1964-2016 Chevrolet, GMC and Other Makes [HC50 Section, 39.900 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-9395hd.jpg)
GATES
FleetRunner V-Belt for Select 1964-2016 Chevrolet, GMC and Other Makes [HC50 Section, 39.900 in. Outside Circumference]
Part Number: 465-9395HD
Ships on Oct 13, 2026Lowest Price Guarantee$6200
![FleetRunner Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100554hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]
Part Number: 465-K100554HD
$10365
Ships on 10/16/2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100554hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 1987-2007 Flxible Transit Bus and Mack Models [10-Rib, 56.022 in. Outside Circumference]
Part Number: 465-K100554HD
Ships on 10/16/2026Lowest Price Guarantee$10365
FULL THROTTLE BATTERY
FT1100-31ST FT-Series AGM 12 V Battery, Group: 31, 1100 CCA, 110 AH, 3/8" Stud Terminal RHP
Part Number: 597-FT1100-31ST
$51596$573.99
YOU SAVE
$58.03Ships on 10/13/2026Lowest price guarantee
FULL THROTTLE BATTERY
FT1100-31ST FT-Series AGM 12 V Battery, Group: 31, 1100 CCA, 110 AH, 3/8" Stud Terminal RHP
Part Number: 597-FT1100-31ST
Ships on 10/13/2026Lowest Price Guarantee$51596 $573.99
YOU SAVE
$58.03
GATES
Locking Fuel Cap for 2000-2018 Freightliner, Mack, Volvo and Western Star Models
Part Number: 465-31316
$22329
Ships on 10/16/2026Lowest price guarantee
GATES
Locking Fuel Cap for 2000-2018 Freightliner, Mack, Volvo and Western Star Models
Part Number: 465-31316
Ships on 10/16/2026Lowest Price Guarantee$22329
![FleetRunner Micro-V Serpentine Belt for 1997-2013 Kenworth, Mack and Peterbilt Models [6-Rib, 72.030 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k060716hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 1997-2013 Kenworth, Mack and Peterbilt Models [6-Rib, 72.030 in. Outside Circumference]
Part Number: 465-K060716HD
$9013
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for 1997-2013 Kenworth, Mack and Peterbilt Models [6-Rib, 72.030 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k060716hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 1997-2013 Kenworth, Mack and Peterbilt Models [6-Rib, 72.030 in. Outside Circumference]
Part Number: 465-K060716HD
Ships on Oct 13, 2026Lowest Price Guarantee$9013
GOODYEAR BELTS
1060715 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 71.5 in. Effective Length
Part Number: 498-1060715
$2284
Ships on 10/13/2026Lowest price guarantee
GOODYEAR BELTS
1060715 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 71.5 in. Effective Length
Part Number: 498-1060715
Ships on 10/13/2026Lowest Price Guarantee$2284
GOODYEAR BELTS
1100554 Serpentine Belt, Select Flxible Transit Bus; Volvo; Mack; Freightliner, 10 Ribs, 55.4 in. Effective Length
Part Number: 498-1100554
$2923
Ships on 10/15/2026Lowest price guarantee
GOODYEAR BELTS
1100554 Serpentine Belt, Select Flxible Transit Bus; Volvo; Mack; Freightliner, 10 Ribs, 55.4 in. Effective Length
Part Number: 498-1100554
Ships on 10/15/2026Lowest Price Guarantee$2923