Parts for the Western Star 4900
Common wear and maintenance parts for the Western Star 4900 (Class 8, Severe-Duty). Browse brakes, air system, filtration, and other categories matched to this truck type. SKUs and prices are from our live catalog — confirm exact fitment with Mike before ordering.
Tools & Supplies
13 verified·0 parts in catalog
Service interval
Varies by duty cycle
Catalog range
Quote
Filtration
3 verified·12 parts in catalog
Service interval
Every 15k–25k miles with oil change
Catalog range
$8.25–$301.20
Cooling System
3 verified·3 parts in catalog
Service interval
Hoses/caps at cooling system service
Catalog range
$6.12–$30.73
Electrical & Lighting
2 verified·6 parts in catalog
Service interval
Replace when dim or damaged
Catalog range
$7.02–$149.44
Drivetrain
2 verified·3 parts in catalog
Service interval
Inspect every 50k miles; replace when loose
Catalog range
$8.37–$50.88
Suspension & Steering
1 verified·6 parts in catalog
Service interval
Every 100k–150k miles
Catalog range
$106.78–$303.40
Brakes & Wheel End
No verified-fit data yet · 15 parts in catalog
Service interval
Inspect every 90 days; replace every 3–5 years
Catalog range
$2.41–$244.75
Air System
No verified-fit data yet · 6 parts in catalog
Service interval
Cartridge every 12 months or 100k miles
Catalog range
$12.38–$1577.18
Body & Cab
No verified-fit data yet · 6 parts in catalog
Service interval
Replace when torn or missing
Catalog range
$5.47–$24.81
Exhaust
No verified-fit data yet · 3 parts in catalog
Service interval
Ash service per OEM interval; sensors as needed
Catalog range
$112.79–$154.28
Not sure it fits your 4900?
Verified-fit parts are matched to published fitment data. For everything else — engine, axle spec, model year — confirm with Mike before ordering.