Adapters & Plugs
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$85.00 – $110.00 View Options
4 Pin Extension Cords
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$60.00 – $65.00 View Options
4-Pin & 7-Pin Cable Unions
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$10.00 View Options
4-Round Plug & Socket
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$39.95 Add to cart
6-Round Connector Kit, Prewired for 4-Flat
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$11.50 – $12.50 View Options
6-Round Plug & Socket
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$2.50 – $16.95 View Options
7 Pin Plug & Socket
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$1.70 – $5.53 View Options
Plugs for lights – T99 plugs
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$10.00 View Options
RV Style 7-Blade Plug & Socket
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$1.39 – $1.65 View Options
Sure Seal Plug for TecNiq Light
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$45.00 Add to cart
Trailer Connector Kit 7Pin to 4Flat
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$10.95 – $49.99 View Options
Trailer Plug Adapters
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$17.00 Add to cart
Trailer Wiring Kit 7B to 4
Adapters & Plugs
Find all the socket adapters you need with Custer Products! We have a diverse array of adapters that connect trailer plug and vehicle sockets to lights up tail lights, brake lights, turn signals, and more. Our 7 Way Blade Plug to 4 Round Socket Adapter converts your plug on the vehicle to fit your needs. And, we also sell heavy-duty mounting brackets with multiple screw holes for convenient and flexible mounting options. And if you don’t see what you are looking for, we also can customize one for you! Sign up now to receive the best dealer/distributor pricing for our socket adapters and more!