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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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: $57.83Was: $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: $57.83Was: $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 -
10 1/2 Inch Radiator Upper Hose - RP5-024
RIGMASTER
$16.03RigMaster Upper Radiator Hose 10 1/2 Inch For T4-6 Models W/ Caterpillar Or Perkins EngineLooking for a reliable upper radiator hose? This aftermarket replacement hose measures 10 1/2 inches in length and includes a water update feature. Sold...$16.03 -
Serpentine Drive Belt - RP8-108
RIGMASTER
$37.36RigMaster Serpentine Drive Belt - RM-RP8-108 For Caterpillar, Perkins EnginesLooking for a reliable serpentine drive belt? This aftermarket replacement serpentine drive belt is sold individually and designed to provide dependable performance. As a...$37.36 -
On Sale
V Fan Belt - RP8-009
RIGMASTER
Now: $9.13Was: $13.04RigMaster V Fan Belt RM-RP8-00 For Diesel EnginesNeed a durable fan belt for your diesel engine? This aftermarket replacement fan belt is sold individually and designed to ensure reliable performance. As a cost-effective alternative to OEM parts, it...Now: $9.13Was: $13.04 -
Weather Stripping - RP12-055
RIGMASTER
$2.03RigMaster Weather Stripping - Sold Per FootLooking for durable weather stripping? This aftermarket replacement weather stripping is sold per foot and cut into convenient 12-inch sections, making it easy to customize for your specific needs. Designed to...$2.03 -
Analog Speed Sensor Upgrade Kit - RP7-106K
RIGMASTER
$128.99RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins EnginesLooking for a complete analog kit? This aftermarket replacement kit includes everything you need: a mechanical/analog speed sensor, an analog speed sensor connector with pigtail, a...$128.99 -
Safety Cover Switch Kit - RP7-022K
RIGMASTER
$96.11RigMaster Safety Switch Cover Kit - Version 2Looking for a reliable safety cover switch kit? This aftermarket replacement, Version 2, is sold individually and designed to enhance safety in your equipment. As a cost-effective alternative to OEM parts, it...$96.11