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Collection: Fifth Wheel & Coupling Parts

Shop heavy-duty fifth wheel and coupling components for semi-trucks and tractor-trailers. Browse fifth wheel assemblies, kingpins, locking jaws, couplers, repair kits, mounting components, and related replacement parts. Find components for maintaining your tractor-trailer connection system.

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HPS Performance Products HPS 3-11/16" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 93mm ID

HPS Performance Products HPS 3-11/16" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 93mm ID

Regular price $74.76 USD

Regular price Sale price $74.76 USD
Unit price per
HPS Performance Products HPS 3-3/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 86mm ID

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HPS Performance Products HPS 3-3/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 86mm ID

Regular price $71.42 USD

Regular price Sale price $71.42 USD
Unit price per

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HPS Performance Products HPS 10" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 254mm ID

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HPS Performance Products HPS 10" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 254mm ID

Regular price $157.00 USD

Regular price Sale price $157.00 USD
Unit price per

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HPS Performance Products HPS 6" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 152mm ID

HPS Performance Products HPS 6" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 152mm ID

Regular price $115.00 USD

Regular price Sale price $115.00 USD
Unit price per
HPS Performance Products HPS 8-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 216mm ID

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HPS Performance Products HPS 8-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 216mm ID

Regular price $146.00 USD

Regular price Sale price $146.00 USD
Unit price per

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HPS Performance Products HPS 8" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 200mm ID

HPS Performance Products HPS 8" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 200mm ID

Regular price $153.00 USD

Regular price Sale price $153.00 USD
Unit price per
HPS Performance Products HPS 2-7/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 73mm ID

HPS Performance Products HPS 2-7/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 73mm ID

Regular price $61.37 USD

Regular price Sale price $61.37 USD
Unit price per
HPS Performance Products HPS 7-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 190mm ID

HPS Performance Products HPS 7-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 190mm ID

Regular price $134.00 USD

Regular price Sale price $134.00 USD
Unit price per
HPS Performance Products HPS 3-7/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 98mm ID

HPS Performance Products HPS 3-7/8" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 98mm ID

Regular price $80.34 USD

Regular price Sale price $80.34 USD
Unit price per
HPS Performance Products HPS 3-3/4" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 95mm ID

HPS Performance Products HPS 3-3/4" ID, 6" Length, Silicone Charge Air Cooler CAC Hose Double Hump Coupler Bellow Hot Side, Ultra High Temp 4-ply Aramid Reinforced, 95mm ID

Regular price $82.02 USD

Regular price Sale price $82.02 USD
Unit price per
HPS Performance Products HPS 7" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 178mm ID

HPS Performance Products HPS 7" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 178mm ID

Regular price $127.00 USD

Regular price Sale price $127.00 USD
Unit price per
HPS Performance Products HPS 5-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 4-ply Aramid Reinforced, Max. Temperature: 500F, 140mm ID

HPS Performance Products HPS 5-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 4-ply Aramid Reinforced, Max. Temperature: 500F, 140mm ID

Regular price $110.00 USD

Regular price Sale price $110.00 USD
Unit price per
HPS Performance Products HPS 6-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 165mm ID

HPS Performance Products HPS 6-1/2" ID, 6" Length, Silicone Straight Hump Coupler Hose Hot Side, Ultra High Temp 6-ply Aramid Reinforced, Max. Temperature: 500F, 165mm ID

Regular price $127.00 USD

Regular price Sale price $127.00 USD
Unit price per
HPS 5" - 6" ID, 8" Length, Silicone Charge Air Cooler CAC Hose Double Hump Reducer Coupler Bellow Hot Side, Ultra High Temp 6-ply Aramid Reinforced, 127mm - 152mm ID

HPS 5" - 6" ID, 8" Length, Silicone Charge Air Cooler CAC Hose Double Hump Reducer Coupler Bellow Hot Side, Ultra High Temp 6-ply Aramid Reinforced, 127mm - 152mm ID

Regular price $198.00 USD

Regular price Sale price $198.00 USD
Unit price per
HPS 3-7/8" ID, 3" Length, Silicone Straight Coupler Hose, High Temp 4-ply Reinforced, 98mm ID, Blue

HPS 3-7/8" ID, 3" Length, Silicone Straight Coupler Hose, High Temp 4-ply Reinforced, 98mm ID, Blue

Regular price $21.30 USD

Regular price Sale price $21.30 USD
Unit price per
P/C #10 Str Swivel Coupler - 640023

P/C #10 Str Swivel Coupler - 640023

Regular price $52.99 USD

Regular price Sale price $52.99 USD
Unit price per
P/C #12 Str Swivel Coupler - 640033

P/C #12 Str Swivel Coupler - 640033

Regular price $54.99 USD

Regular price Sale price $54.99 USD
Unit price per
P/C #8 Str Swivel Coupler - 640013

P/C #8 Str Swivel Coupler - 640013

Regular price $50.99 USD

Regular price Sale price $50.99 USD
Unit price per
P/C #6 Str Swivel Coupler

P/C #6 Str Swivel Coupler

Regular price $49.99 USD

Regular price Sale price $49.99 USD
Unit price per
Endura Coupler Fitting #6 to #8 Straight - 640551

Endura Coupler Fitting #6 to #8 Straight - 640551

Regular price $50.99 USD

Regular price Sale price $50.99 USD
Unit price per

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