2026 SEACHOICE Marine Products

KEY: BLUE ITEM # = NEW | RED ITEM # = HAZARDOUS | v OVERSIZE | * WHILE SUPPLIES LAST 129 TRAILER ACCESSORIES Designed for use with RV and heavier utility & equipment trailers equipped with electric brakes. 57861: Attachment holes align with most industry mounting brackets. Direct replacement for factory 7-way connectors on most Audi, Chrysler, Dodge, Ford, Jeep, Porsche, Ram, Toyota and Volkswagen vehicles equipped with trailer tow package wiring. 57911: Oversize door hinge provides long lasting durability. Direct replacement for factory 7-way connectors on most Audi, Chrysler, Dodge, Ford, Jeep, Porsche, Ram, Toyota and Volkswagen vehicles equipped with trailer tow package wiring. 57941: Features Twist-Lock style mounting to factory bracket. Fits ‘99-Current GM "Twist-Lock". • Supports tail lights, stop & turn lamps, trailer brake 12V+ feed and auxiliary connections • Potted connector terminals and gasketed spring-loaded door for strong weatherresistant design • Plastic connector body resists corrosion • Easily snaps onto mating harness assembly • Compatible with RV-style 7-way trailer connectors • 30 Amp max load Item# Description Case 50-57861c* Car Side, Heavy Duty 6 Opt. Accy. Description Case 50-57711c* 7-Way USCar (OEM) Style Bracket 6 50-58031c* Attachment Bracket w/ Clamp for Mounting 6 7-WAY ROUND USCAR STYLE CONNECTORS Item# Description Case 50-57951c* 5-Way Connector Cover 6 50-58121c* 4-Way Connector Cover w/ LED tester 6 Keeps connector clean. Built-in tether retains cover when not in use. Helps to prevent rust & corrosion. Manufactured from black PVC rubber. 58121: Tests stop, turn and tail light functions at 4-flat connector FLAT CONNECTOR COVER Item# Connector Length Volts Amps Case 50-13991c 4 Pole 48" 12/24V 10 48 50-13931c 5 Pole 48" 12/24V 10 12 TRAILER WIRE HARNESS EXTENSION Item# Length Case 50-51591c 16" 6 Converts tow vehicle 7-way round blade connector to 5-way flat pin connector. 5-FLAT TO 7-ROUND COIL CORD ADAPTOR Item# Case 50-57731c 6 • Supports tail lights, left & right stop & turn lamps • Durable molded plastic housing resists corrosion • 6-Way round-pin brass terminals • 4-Way round pin-style brass terminals • 7.5 Amp max load 6-WAY ROUND TO 4-FLAT ADAPTER Item# Description Volts Amps Case 50-58091c 7-Way automotive style to 4-flat 12V 10 6 50-58051c 7-Way RV style to 4-flat 12V 10 6 50-58061c 7-Way RV style to 5-flat 12V 10 6 50-58081c 7-Way RV style to 6-way 12V 10 6 Durable molded plastic housing resists corrosion. 58051, 58061, 58081: Flat blade brass terminals to flat pin-style tin plated terminals. 7-WAY TRAILER WIRING ADAPTERS 58091 58051 58061 58081 Adapter mates 7-way vehicle to 4 or 5-way trailer. Item# Connection Length Volts Amps Case 50-13831c 7 Way Round to 4 Way Flat 8" 12/24V 10 12 50-13811c 7 Way Round to 4 Way Flat 18" 12/24V 10 12 50-13881c 7 Way Round to 5 Way Flat 8" 12/24V 10 12 50-13821c 7 Way Round to 5 Way Flat 18" 12/24V 10 12 13821 13831 13881 7-WAY ADAPTER UV resistant cable. Blade-type connector. Molded connector design resists breakdown. Compatible with both RV and USCar style vehicle connectors. 7-WAY MOLDED CONNECTOR WITH WIRING HARNESS Close-up Item# Connector Length Volts Amps Case 50-58111c 7-Way 8' 12V 10 6

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