Trailer Parts & Accessories

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PopUp GN7 Gooseneck Square 4" to 5th Wheel King Pin, 30,000 Lbs Availability: Shipping Required

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Convert your Gooseneck to a fifth wheel King Pin

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$269.95

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PopUp GN6 Gooseneck Square 4-1/2" to 5th Wheel King Pin, 30,000lbs Availability: Shipping Required

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Convert your Gooseneck to a fifth wheel King Pin

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$272.95

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BullDog Gooseneck 4" Square Coupler to 5th Wheel King Pin, 2-5/16 Ball, 30,000lbs Availability: Shipping Required

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Allows gooseneck trailer to be towed with vehicles equipped with a fifth wheel hitch
Feature dual set bolts
Square model features load bearing pinch bolt

$299.95

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PopUp SB6 Gooseneck Square 4-1/2", 9" Off Set to 5th Wheel King Pin, 24,000lbs Availability: Shipping Required

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Convert your Gooseneck to a fifth wheel King Pin

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$369.95

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PopUp SB7 Gooseneck Square 4", 9" Offset to 5th Wheel King Pin, 24,000lbs Availability: Shipping Required

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Convert your Gooseneck to a fifth wheel King Pin w/ 9" Offset

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$369.95

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Gen-Y Spartan GH-7012 Torsion-Flex Inner Gooseneck Couplers 2-5/16 Ball 4" Square, 5" Offset, 3.5K TW, 25K Towing Availability: Shipping Required

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Built-in Suspension Creates Up to 90% Smoother Ride, Shock Absorption Protects Cargo from Harsh Bumps, Sold with 3/4″ Pin, Check your hole pattern before purchase. Custom hole pattern may be required. (Exc. Recessed Ball)

$989.95

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Gen-Y Spartan GH-7072 Torsion-Flex Inner, 2-5/16" Gooseneck Couplers 4" Sqaure, 5" Offset, 5.5K TW, 25K Towing Availability: Shipping Required

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Built-in Suspension Creates Up to 90% Smoother Ride, Shock Absorption Protects Cargo from Harsh Bumps, Sold with 3/4″ Pin, Check your hole pattern before purchase. Custom hole pattern may be required. (Exc. Recessed Ball)

$1,146.99

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Gen-Y Spartan GH-7092HD Torsion-Flex Gooseneck Couplers, 2-5/16", 4" Sqaure, 5" Offset, 8.5K TW, 30K Towing Availability: Shipping Required

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Built-in Suspension Creates Up to 90% Smoother Ride, Shock Absorption Protects Cargo from Harsh Bumps, Sold with 3/4″ Pin, Check your hole pattern before purchase. Custom hole pattern may be required. (Exc. Recessed Ball)

$1,249.95