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2018 Western Star 4900sa Parts
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HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
$5417
Ships on 10/21/2026
Lowest price guarantee
HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
Ships on 10/21/2026Lowest Price Guarantee$5417
![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 10/13/2026Lowest 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
![Micro-V Serpentine Belt for Select 1984-2018 Freightliner and Other Makes [8-Rib, 57.553 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080570.jpg)
GATES
Micro-V Serpentine Belt for Select 1984-2018 Freightliner and Other Makes [8-Rib, 57.553 in. Outside Circumference]
Part Number: 465-K080570
$6755
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 1984-2018 Freightliner and Other Makes [8-Rib, 57.553 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080570.jpg)
GATES
Micro-V Serpentine Belt for Select 1984-2018 Freightliner and Other Makes [8-Rib, 57.553 in. Outside Circumference]
Part Number: 465-K080570
Ships on Oct 13, 2026Lowest Price Guarantee$6755
![Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100675.jpg)
GATES
Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]
Part Number: 465-K100675
$10674
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100675.jpg)
GATES
Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]
Part Number: 465-K100675
Ships on Oct 13, 2026Lowest Price Guarantee$10674
![FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100675hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]
Part Number: 465-K100675HD
$11106
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100675hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]
Part Number: 465-K100675HD
Ships on Oct 13, 2026Lowest Price Guarantee$11106
![FleetRunner Micro-V Serpentine Belt for Select 2009-2023 Freightliner and Other Makes [12-Rib, 87.250 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k120866hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2009-2023 Freightliner and Other Makes [12-Rib, 87.250 in. Outside Circumference]
Part Number: 465-K120866HD
$20550
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2009-2023 Freightliner and Other Makes [12-Rib, 87.250 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k120866hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2009-2023 Freightliner and Other Makes [12-Rib, 87.250 in. Outside Circumference]
Part Number: 465-K120866HD
Ships on Oct 13, 2026Lowest Price Guarantee$20550
![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
![Heavy Duty Belt Tensioner for Select 2000-2018 Freightliner and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38503.jpg)
GATES
Heavy Duty Belt Tensioner for Select 2000-2018 Freightliner and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38503
$20635
Ships on Oct 13, 2026Lowest price guarantee![Heavy Duty Belt Tensioner for Select 2000-2018 Freightliner and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38503.jpg)
GATES
Heavy Duty Belt Tensioner for Select 2000-2018 Freightliner and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38503
Ships on Oct 13, 2026Lowest Price Guarantee$20635
![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
![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
Heavy-Duty Water Pump for Select 1988-2018 Freightliner, Ford and Other Makes
Part Number: 465-46002HD
$62376
Ships on Oct 13, 2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 1988-2018 Freightliner, Ford and Other Makes
Part Number: 465-46002HD
Ships on Oct 13, 2026Lowest Price Guarantee$62376
GATES
Complete Serpentine Belt Drive Component Kit for Select 2000-2018 Freightliner, Sterling Truck and Other Makes
Part Number: 465-90K-38501HDB
$22371
Ships on Oct 13, 2026Lowest price guarantee
GATES
Complete Serpentine Belt Drive Component Kit for Select 2000-2018 Freightliner, Sterling Truck and Other Makes
Part Number: 465-90K-38501HDB
Ships on Oct 13, 2026Lowest Price Guarantee$22371
![FleetRunner Micro-V Serpentine Belt for Select 2005-2025 Freightliner and Other Makes [8-Rib, 106.125 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k081055hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2005-2025 Freightliner and Other Makes [8-Rib, 106.125 in. Outside Circumference]
Part Number: 465-K081055HD
$12654
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2005-2025 Freightliner and Other Makes [8-Rib, 106.125 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k081055hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2005-2025 Freightliner and Other Makes [8-Rib, 106.125 in. Outside Circumference]
Part Number: 465-K081055HD
Ships on Oct 13, 2026Lowest Price Guarantee$12654
![Molded Radiator Hose for Select 1979-2023 International, Sterling Truck and Other Makes [2.500 in. I.D., 8.500 in. Centerline]](https://www.jegs.com/images/mini_100/400/465/465-21135.jpg)
GATES
Molded Radiator Hose for Select 1979-2023 International, Sterling Truck and Other Makes [2.500 in. I.D., 8.500 in. Centerline]
Part Number: 465-21135
$7864
Ships on Oct 13, 2026Lowest price guarantee![Molded Radiator Hose for Select 1979-2023 International, Sterling Truck and Other Makes [2.500 in. I.D., 8.500 in. Centerline]](https://www.jegs.com/images/mini_200/400/465/465-21135.jpg)
GATES
Molded Radiator Hose for Select 1979-2023 International, Sterling Truck and Other Makes [2.500 in. I.D., 8.500 in. Centerline]
Part Number: 465-21135
Ships on Oct 13, 2026Lowest Price Guarantee$7864
![Ring-Retained Turbocharger Hose [4 in. I.D., 8 in. Length]](https://www.jegs.com/images/mini_100/400/465/465-26204.jpg)
![Ring-Retained Turbocharger Hose [4 in. I.D., 8 in. Length]](https://www.jegs.com/images/mini_200/400/465/465-26204.jpg)
![Heavy Duty Belt Tensioner for Select 1999-2018 Freightliner, Sterling Truck and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38501.jpg)
GATES
Heavy Duty Belt Tensioner for Select 1999-2018 Freightliner, Sterling Truck and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38501
$22654
Ships on Oct 13, 2026Lowest price guarantee![Heavy Duty Belt Tensioner for Select 1999-2018 Freightliner, Sterling Truck and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38501.jpg)
GATES
Heavy Duty Belt Tensioner for Select 1999-2018 Freightliner, Sterling Truck and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38501
Ships on Oct 13, 2026Lowest Price Guarantee$22654