2021 Western Star 4900ex Parts
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![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
![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
![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
![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
![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
![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
![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
![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

GATES
DriveAlign Idler Pulley for 2008-2025 Freightliner, Sterling Truck and Western Star Models
Part Number: 465-36742

GATES
DriveAlign Idler Pulley for 2008-2025 Freightliner, Sterling Truck and Western Star Models
Part Number: 465-36742

GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for Select 2008-2025 Freightliner and Other Makes
Part Number: 465-38667

GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner for Select 2008-2025 Freightliner and Other Makes
Part Number: 465-38667
![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
![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
![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
![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
![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
![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

DYNAMIC FRICTION
1214-1369-00 Heavy-Duty Semi-Metallic Brake Pads, 2005-2017 Multiple Makes/Models, Position: Fr & Rr
Part Number: 328-1214-1369-00

DYNAMIC FRICTION
1214-1369-00 Heavy-Duty Semi-Metallic Brake Pads, 2005-2017 Multiple Makes/Models, Position: Fr & Rr
Part Number: 328-1214-1369-00

DYNAMIC FRICTION
600-60008 Brake Rotor, 2005-2017 Multiple Makes/Models, Position: Fr & Rr
Part Number: 328-600-60008

DYNAMIC FRICTION
600-60008 Brake Rotor, 2005-2017 Multiple Makes/Models, Position: Fr & Rr
Part Number: 328-600-60008

R1 CONCEPTS
GeoSpec-Coated Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-RRE-60008

R1 CONCEPTS
GeoSpec-Coated Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-RRE-60008

R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2016 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-63156

R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2016 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-63156

R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-60008

R1 CONCEPTS
E-Line Blank Brake Rotor, 2005-2017 Fits Multiple Makes/Models, Position: Front & Rear
Part Number: 820-ERE-60008
![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
![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

GOODYEAR BELTS
58140 Belt Drive Idler/Tensioner Pulley Fits Select Make/Models
Part Number: 498-58140

GOODYEAR BELTS
58140 Belt Drive Idler/Tensioner Pulley Fits Select Make/Models
Part Number: 498-58140

MELLING
VS-1636 Stock Replacement Valve Spring Detroit Diesel DD13 12.8L, DD14 14.8L, DD15 15.6L
Part Number: 689-VS-1636

MELLING
VS-1636 Stock Replacement Valve Spring Detroit Diesel DD13 12.8L, DD14 14.8L, DD15 15.6L
Part Number: 689-VS-1636
![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
![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

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

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

GOODYEAR BELTS
55820 Automatic Drive Belt Tensioner Select Sterling Truck; Western Star; Freightliner
Part Number: 498-55820

GOODYEAR BELTS
55820 Automatic Drive Belt Tensioner Select Sterling Truck; Western Star; Freightliner
Part Number: 498-55820


![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)



