Western Star Trucks
Looking for Western Star truck parts? At 4 State Trucks, you'll find everything from durable replacements to custom accessories for your rig. Explore and find the perfect parts for your Western Star truck today!
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APU Compressor To Condenser AC Size 8 Hose
RIGMASTER
$55.07RigMaster APU AC Hose #8 Compressor To CondenserLooking for a reliable A/C hose? This aftermarket replacement hose, sized Number 8, connects the compressor to the condenser and is sold individually. Designed as a cost-effective alternative to OEM parts,...$55.07 -
Temperature Sensor Kit For Electric Fan - RP7-215A-K
RIGMASTER
$64.53RigMaster Electric Fan Temperature Sensor Kit For Caterpillar, Perkins EnginesNeed a reliable temperature sensor kit for your electric fan? This aftermarket replacement kit is sold individually and designed to ensure accurate temperature readings for...$64.53 -
Rescue RX 5055 Premium Diesel Fuel Additive – 1 Gallon
AFTERMARKET
$99.99Maximize Diesel Engine Performance with Premium Fuel AdditiveRescue RX 5055 Premium Diesel Fuel Additive is a powerful solution designed to enhance diesel engine performance and fuel efficiency. This 1-gallon formula helps clean fuel systems, improve...$99.99 -
Receiver Drier - RP9-027C
RIGMASTER
$118.99RigMaster Receiver Drier W/ Valve And Pressure SwitchNeed a reliable receiver drier? This aftermarket replacement receiver drier includes both a valve and a pressure switch, offering a complete solution for your cooling system. As a cost-effective...$118.99 -
12v Puller Electric Fan - RP7-230
RIGMASTER
$100.37RigMaster Electric Fan Puller 12 Volt 10 BladeLooking for a powerful 12-volt electric fan? This aftermarket replacement fan features 10 blades for efficient airflow and is sold individually. As a cost-effective alternative to OEM parts, it ensures...$100.37 -
8-Inch Round Heated Convex Mirror with Offset Mount – Black Steel
LUVERNE
$41.19Enhance Visibility and Safety with Durable Heated Convex MirrorUpgrade your vehicle's safety and visibility with this 8-inch round heated convex mirror. Crafted from premium black steel, it offers excellent durability and rust resistance. The heated...$41.19 -
13 PSI APU Radiator Cap
RIGMASTER
$22.43RigMaster APU Radiator Cap 13 PSINeed a reliable radiator cap? This aftermarket replacement radiator cap is rated at 13 PSI and is sold individually. Designed as a cost-effective alternative to OEM parts, it ensures proper pressure regulation and meets...$22.43 -
Condenser To Receiver Drier Liquid Hose Size 6
RIGMASTER
$45.89RigMaster Liquid Hose #6 Condenser To Receiver DrierLooking for a reliable liquid hose? This aftermarket replacement hose, sized Number 6, connects the condenser to the receiver drier and is sold individually. Designed as a cost-effective alternative to...$45.89 -
On Sale
Bulkhead To Compressor Suction Hose Size 10
RIGMASTER
Now: $28.90Was: $82.61RigMaster APU Suction Hose # 10 Bulkhead To CompressorNeed a reliable suction hose? This aftermarket replacement suction hose, sized Number 10, connects the bulkhead to the compressor and is sold individually. Designed as a cost-effective alternative to...Now: $28.90Was: $82.61 -
Replacement MTS T4-6 Air Cabin Controller - RP50-201
RIGMASTER
$304.99RigMaster MTS T4-6 Air Cabin ControllerNeed a dependable cabin controller? This aftermarket replacement cabin controller is sold individually, offering a reliable solution for your needs. As a cost-effective alternative to OEM parts, it is designed to...$304.99 -
On Sale
Bottom Mounted Coolant Level Sensor Kit - RP5-1011K
RIGMASTER
Now: $31.59Was: $47.15RigMaster Coolant Level Sensor Kit - Bottom MountedLooking for a complete coolant level sensor kit? This aftermarket replacement kit includes everything you need: a level sensor, sensor seal, and sensor connector. Featuring a bottom-mounted sensor...Now: $31.59Was: $47.15 -
Diesel Truck AC Block Type Expansion Valve R134A RigMaster
RIGMASTER
$44.87RigMaster AC Expansion Valve For Cat/Perkins RMP-110 to T4-6Looking for a dependable expansion valve? This aftermarket replacement expansion valve is sold individually and designed to regulate refrigerant flow effectively. As a cost-effective alternative...$44.87