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Fifth Wheel Trailer Pin Box Matrix Conversions

Fifth Gear Airborne, Sidewinder and Airborne Sidewinder are custom designed to replace the existing pin box on your trailer. Use the tables below to help find the correct 5th Gear pin box coupler for your application.

Standard Fifth Wheel Pin Boxes
OEM Part Numbers 5th Airborne Part Number 16K Sidewinder Part Number 19K Sidewinder Part Number 5th Airborne Sidewinder Part Number
Fabex 520, 530 & 560 5AB-S500-700 ST100-SW16K ST100-SW19K ST100-5AS02
Fabex 663 5AB-S600-0719 ST200-SW16K ST200-SW19K ST200-5AS02
Leland 7910 5AB-S7910 ST400-SW16K ST400-SW19K ST400-5AS02
Lippert 0719 5AB-S600-0719 ST200-SW16K ST200-SW19K ST200-5AS02
Lippert 1116 & 0115 5AB-S500-700 ST100-SW16K ST100-SW19K ST100-5AS02
M&M 663 5AB-S600-0719 ST200-SW16K ST200-SW19K ST200-5AS02
RBW 7019 5AB-S500-700 ST100-SW16K ST100-SW19K ST100-5AS02
Venture CJ13515 5AB-S13515 ST300-SW16K ST300-SW19K ST300-5AS02
Youngs Welding 5AB-S800 ST500-SW16K ST500-SW19K ST500-5AS02


Extended Fifth Wheel Pin Boxes
OEM Part Numbers 5th Airborne Part Number 16K Sidewinder Part Number 19K Sidewinder Part Number 5th Airborne Sidewinder Part Number
Fabex 500, 503 & 765 5AB-E510-710 ST100-SW16K ST100-SW19K ST100-5AS02
Fabex 665 5AB-E610-1621 ST200-SW16K ST200-SW19K ST200-5AS02
Leland 7920 & 7921 5AB-E7920 ST400-SW16K ST400-SW19K ST400-5AS02
Lippert 1621 & 1621HD 5AB-E610-1621 ST200-SW16K ST200-SW19K ST200-5AS02
Lippert 1716 5AB-E510-710 ST100-SW16K ST100-SW19K ST100-5AS02
M&M 665 5AB-E610-1621 ST200-SW16K ST200-SW19K ST200-5AS02
RBW 7028 5AB-E510-710 ST100-SW16K ST100-SW19K ST100-5AS02
Venture CJ13517 5AB-S13517 ST300-SW16K ST300-SW19K ST300-5AS02
Youngs Welding 5AB-E810 ST500-SW16K ST500-SW19K ST500-5AS02


Tube Style Fifth Wheel Pin Boxes
OEM Part Numbers 5th Airborne Part Number 16K Sidewinder Part Number 19K Sidewinder Part Number 5th Airborne Sidewinder Part Number
Atwood AB-34 & AB-72 5AB-T72-34 N/A N/A N/A
Fabex 300, 314 & 316 5AB-T320 N/A N/A N/A
Lippert 0516 5AB-T320 N/A N/A N/A
RBW 7016-2P 5AB-T7016 N/A N/A N/A
RBW 7027 5AB-T320 N/A N/A N/A
Youngs Welding 5AB-T320 N/A N/A N/A
Youngs Welding Straight 8x8 5AB-T820 N/A N/A N/A


5th Airborne/Sidewinder
  Replacement Square Lower Wear Disc for Sidewinder
Code: 113983
Price: $49.95
Quantity in Cart: none
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