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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370 Slack Reducing Coupling
PREMIER
$772.99370 Slack Reducing Coupling * High Quality Slack Reducing Coupling* Max. Gross Trailer Weight 90000 Lbs.* Max. Tongue Weight 18000 Lbs.* Ultimate Latch Capacity 20000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening 2-3/8 Inch* Do Not Weld On...$772.99 -
270 Coupling Replacement Part Kit
PREMIER
$258.99Coupling Part Kit W/ Latch, Pawl, Spring, Set Screw, Bolt, Locknut, Pin, Retaining Rings * High Quality Coupling Replacement Parts Kit* Includes: - Latch- Pawl- Spring- Set Screw- Bolt- Locknut- Pin And Retaining Rings* Made In USA* Sold Individually*...$258.99 -
270 Low Profile Slack Reducing Coupling
PREMIER
$788.99270 Low Profile Slack Reducing Coupling * High Quality Slack Reducing Coupling Kit * Includes:- Coupling- Bolt Kit- Air Chamber- Air Chamber Adapter Bracket- Thimble* Max. Gross Trailer Weight 90000 Lbs.* Max. Tongue Weight 18000 Lbs.* Ultimate Latch...$788.99 -
270 Slack Reducing Coupling
PREMIER
$613.99270 Slack Reducing Coupling * High Quality Slack Reducing Coupling* Max. Gross Trailer Weight 90000 Lbs.* Max. Tongue Weight 18000 Lbs.* Ultimate Latch Capacity 12000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening 2-3/8 Inch* Do Not Weld On...$613.99 -
Air Adjusted Couplings Replacement Part Kit
PREMIER
$135.99Air Adjusted Couplings Replacement Part Kit * High Quality Couplings Replacement Parts Kit* Includes:- Spring- Thimble- Bolt- Locknut And Shoe* Made In USA* Sold Individually* Warranty On Couplings Replacement Parts Kits Against Defects In Workmanship &...$135.99 -
100 Series SAF - Tite Slack Reducing Coupling Replacement Kit
PREMIER
$123.99100 Series SAF - Tite Slack Reducing Coupling Replacement Kit * High Quality Couplings Replacement Parts Kit* Includes: - Bolts- Locknuts- Latch And Latch Lock- Springs- Bushings* Made In USA* Sold Individually* Warranty On Couplings Replacement Parts...$123.99 -
2300EL Slack Reducing Coupling W/ Extended Life Latch
PREMIER
$912.992300EL Slack Reducing Coupling W/ Extended Life Latch * High Quality Slack Reducing Coupling* Max. Gross Trailer Weight 100000 Lbs.* Max. Tongue Weight 20000 Lbs.* Ultimate Latch Capacity 60000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening...$912.99 -
2300 Slack Reducing Coupling Kit
PREMIER
$923.992300 Slack Reducing Coupling Kit * High Quality Slack Reducing Coupling Kit* Includes: - Coupling- Bolt Kit- Air Chamber- Air Chamber Adapter Bracket- Thimble* Max. Gross Trailer Weight 100000 Lbs.* Max. Tongue Weight 20000 Lbs.* Ultimate Latch Capacity...$923.99 -
2300 Slack Reducing Coupling
PREMIER
$706.992300 Slack Reducing Coupling * High Quality Slack Reducing Coupling* Max. Gross Trailer Weight 100000 Lbs.* Max. Tongue Weight 20000 Lbs.* Ultimate Latch Capacity 60000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening 2-3/8 Inch* Do Not Weld On...$706.99 -
Latch For Model 140 Coupling Latch For 140 Coupling
PREMIER
$171.99Latch For Model 140 Coupling Latch For 140 Coupling * High Quality Replacement Latch* Made In USA* Sold Individually* Warranty On Replacement Latches Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$171.99 -
Low Lever Part Replacement Kit For 2200ELL Coupling
PREMIER
$322.99Replacement Part Kit W/ Retaining Rings, Locknut, Spacers, Bolt, Springs, Latch & Latch Hook * High Quality Replacement Parts Kit * Includes: - Retaining Rings- Locknut- Spacers- Bolt- Springs- Latch And Latch Lock- Pin And Handle* Made In USA* Sold...$322.99 -
Slack Reducing Coupling Kit W/ Bolt Kit, Air Chamber, Adapter Bracket, & Thimble
PREMIER
$1,000.99Extended Life Reducing Coupling * High Quality Slack Reducing Coupling Kit* Includes: - 2200Ell Coupling- 501 Bolt Kit- 281 Air Chamber- 267 Air Chamber Adapter Bracket - 271 Thimble* Max. Gross Trailer Weight 100000 Lbs.* Max. Tongue Weight 20000 Lbs.*...$1,000.99