Mack Truck Parts
Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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2400EL Slack Reducing Coupling
PREMIER
$928.992400EL Slack Reducing Coupling * High Quality 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 Any...$928.99 -
2400A Slack Reducing Coupling Kit
PREMIER
$952.992400A Slack Reducing Coupling Kit * High Quality 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 60000...$952.99 -
2400 Slack Reducing Coupling
PREMIER
$736.992400 Slack Reducing Coupling * High Quality 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 Any...$736.99 -
2300ELA Slack Reducing Coupling Kit
PREMIER
$1,030.992300ELA Slack Reducing Coupling Kit * High Quality 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...$1,030.99 -
2880ELA Slack Reducing Coupling Kit
PREMIER
$1,700.992880ELA Slack Reducing Coupling Kit * High Quality Reducing Coupling Kit* Includes: - Coupling- Bolt Kit- Air Chamber- Air Chamber Adapter Bracket - Thimble* Max. Gross Trailer Weight 150000 Lbs.* Max. Tongue Weight 30000 Lbs.* Ultimate Latch Capacity...$1,700.99 -
28880EL Slack Reducing Coupling
PREMIER
$1,515.9928880EL Slack Reducing Coupling * High Quality Reducing Coupling* Max. Gross Trailer Weight 150000 Lbs.* Max. Tongue Weight 30000 Lbs.* Ultimate Latch Capacity 60000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening 3 Inch* Do Not Weld On Any...$1,515.99 -
2880A Slack Reducing Coupling Kit
PREMIER
$1,569.992880A Slack Reducing Coupling Kit * High Quality Reducing Coupling Kit* Includes: - Coupling- Bolt Kit- Air Chamber- Air Chamber Adapter Bracket - Thimble* Max. Gross Trailer Weight 150000 Lbs.* Max. Tongue Weight 30000 Lbs.* Ultimate Latch Capacity...$1,569.99 -
2880 Slack Reducing Coupling
PREMIER
$1,354.992880 Slack Reducing Coupling * High Quality Reducing Coupling* Max. Gross Trailer Weight 150000 Lbs.* Max. Tongue Weight 30000 Lbs.* Ultimate Latch Capacity 60000 Lbs.* Max. Eye X-Section 1-13/16 Inch* Minimum Eye Opening 3 Inch* Do Not Weld On Any...$1,354.99 -
2400HEL Slack Reducing Coupling Kit
PREMIER
$1,100.992400HEL Slack Reducing Coupling Kit * High Quality Reducing Coupling Kit* 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...$1,100.99 -
2400HEL Slack Reducing Coupling
PREMIER
$957.992400HEL 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...$957.99 -
2400H Slack Reducing Coupling Kit
PREMIER
$933.992400H Slack Reducing Coupling * High Quality 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 60000 Lbs...$933.99 -
Handle Assembly For 690L Coupling Includes 387 - Locknut. 691C - Bushing And 691 - Handle
PREMIER
$243.99Handle Assembly For 690L Coupling Includes 387- Locknut. 691C- Bushing And 691- Handle * High Quality Coupling Replacement Handle Assembly* Includes: - Locknut- Bushing And Handle* Made In USA* Sold Individually* Warranty On Coupling Replacement Handle...$243.99