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2023 Western Star 4900ex Parts
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![FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]](https://www.jegs.com/images/mini_100/300/392/392-frm2a.jpg)
TIMBREN
FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]
Part Number: 392-FRM2A
$66705
Ships on 10/13/2026
Lowest price guarantee![FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]](https://www.jegs.com/images/mini_200/300/392/392-frm2a.jpg)
TIMBREN
FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]
Part Number: 392-FRM2A
Ships on 10/13/2026Lowest Price Guarantee$66705
![HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]](https://www.jegs.com/images/mini_100/300/392/392-hst001.jpg)
TIMBREN
HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]
Part Number: 392-HST001
$73375
Ships on 10/13/2026Lowest price guarantee![HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]](https://www.jegs.com/images/mini_200/300/392/392-hst001.jpg)
TIMBREN
HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]
Part Number: 392-HST001
Ships on 10/13/2026Lowest Price Guarantee$73375
![Century Series Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k081062.jpg)
GATES
Century Series Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Circumference]
Part Number: 465-K081062
$11105
Ships on Oct 13, 2026Lowest price guarantee![Century Series Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k081062.jpg)
GATES
Century Series Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Circumference]
Part Number: 465-K081062
Ships on Oct 13, 2026Lowest Price Guarantee$11105
![DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]](https://www.jegs.com/images/mini_100/400/465/465-36223.jpg)
GATES
DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]
Part Number: 465-36223
$10382
Ships on 10/16/2026Lowest price guarantee![DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]](https://www.jegs.com/images/mini_200/400/465/465-36223.jpg)
GATES
DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]
Part Number: 465-36223
Ships on 10/16/2026Lowest Price Guarantee$10382
R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2016 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-63156
$52780
Ships on 10/13/2026Lowest price guarantee
R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2016 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-63156
Ships on 10/13/2026Lowest Price Guarantee$52780
![FleetRunner Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k081062hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Outside Circumference]
Part Number: 465-K081062HD
$8787$134.63
YOU SAVE
$46.76Ships TomorrowLowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k081062hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2010-2025 Western Star and Other Makes [8-Rib, 106.875 in. Outside Circumference]
Part Number: 465-K081062HD
Ships TomorrowLowest Price Guarantee$8787 $134.63
YOU SAVE
$46.76
GATES
DriveAlign Idler Pulley for 2008-2025 Freightliner, Sterling Truck and Western Star Models
Part Number: 465-36742
$8026
Ships on Oct 13, 2026Lowest price guarantee
GATES
DriveAlign Idler Pulley for 2008-2025 Freightliner, Sterling Truck and Western Star Models
Part Number: 465-36742
Ships on Oct 13, 2026Lowest Price Guarantee$8026
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for Select 2008-2025 Freightliner and Other Makes
Part Number: 465-38667
$41814
Ships on Oct 13, 2026Lowest price guarantee
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for Select 2008-2025 Freightliner and Other Makes
Part Number: 465-38667
Ships on Oct 13, 2026Lowest Price Guarantee$41814
![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38587.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]
Part Number: 465-38587
$28315
Ships on Oct 13, 2026Lowest price guarantee![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38587.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]
Part Number: 465-38587
Ships on Oct 13, 2026Lowest Price Guarantee$28315
FULL THROTTLE BATTERY
FT1450-8D FT-Series AGM 12 V Battery, Group: 8D, 1625 CCA, 225 AH, Brass SAE Terminal
Part Number: 597-FT1450-8D
$1,10159$1,223.99
YOU SAVE
$122.40Ships on 10/21/2026Lowest price guarantee
FULL THROTTLE BATTERY
FT1450-8D FT-Series AGM 12 V Battery, Group: 8D, 1625 CCA, 225 AH, Brass SAE Terminal
Part Number: 597-FT1450-8D
Ships on 10/21/2026Lowest Price Guarantee$1,10159 $1,223.99
YOU SAVE
$122.40
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
![Heavy-Duty Heater Hose [0.625 in. I.D., 50 ft. Length]](https://www.jegs.com/images/mini_100/400/465/465-28441.jpg)
![Heavy-Duty Heater Hose [0.625 in. I.D., 50 ft. Length]](https://www.jegs.com/images/mini_200/400/465/465-28441.jpg)
![Ring-Retained Turbocharger Hose [4 in. I.D., 6 in. Length]](https://www.jegs.com/images/mini_100/400/465/465-26203.jpg)
![Ring-Retained Turbocharger Hose [4 in. I.D., 6 in. Length]](https://www.jegs.com/images/mini_200/400/465/465-26203.jpg)
![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select Peterbilt, Kenworth and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38610.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select Peterbilt, Kenworth and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38610
$29260
Ships on Oct 13, 2026Lowest price guarantee![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select Peterbilt, Kenworth and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38610.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select Peterbilt, Kenworth and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38610
Ships on Oct 13, 2026Lowest Price Guarantee$29260
BD DIESEL
1036771 E-PAS Positive Air Shut-Off Detroit Diesel DD13/DD15/DD16 2008-2023
Part Number: 151-1036771
$66195
Ships on 10/15/2026Lowest price guarantee
BD DIESEL
1036771 E-PAS Positive Air Shut-Off Detroit Diesel DD13/DD15/DD16 2008-2023
Part Number: 151-1036771
Ships on 10/15/2026Lowest Price Guarantee$66195
R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-94014
$27796
Ships on 10/14/2026Lowest price guarantee
R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-94014
Ships on 10/14/2026Lowest Price Guarantee$27796