Top Trailer Hardware and Accessories for Automotive

The best Trailer Hardware includes Oyviny 7 to 4/5 Pin Trailer Adapter, Nilight 7 Way Electrical Trailer Junction Box, Nilight 7 Way Trailer Plug 8ft Cable and many others as mentioned below.

1

Oyviny 7 to 4/5 Pin Trailer Adapter

  • Converts 7-way RV connector to 4 or 5-pin.
  • Durable nylon housing, waterproof and temperature resistant.
  • Brass terminals ensure superior electrical conductivity.
  • Easy plug-and-play installation, no cutting required.
  • Two handles for better grip during connection.
  • Compatible with various vehicles and trailers.
  • Dust covers protect terminals when not in use.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Material: Nylon
2

Nilight 7 Way Electrical Trailer Junction Box

  • Sturdy 7-way junction box for reliable connections.
  • Universal fit for various trailer types and vehicles.
  • Weatherproof design protects against harsh conditions.
  • Easy identification of connections with terminal markings.
  • Quickly add lights and accessories to trailers.
  • Includes fasteners and rubber boot grommets.
  • Upgrade for simpler wiring and troubleshooting tasks.
  • Average Rating out of 5:
  • Price Range: $8.55
  • Color: Junction Box
  • Material: Plastic
3

Nilight 7 Way Trailer Plug 8ft Cable

  • Heavy-duty 7-way plug for reliable connections.
  • 8ft long cable for flexible installation options.
  • Color-marked junction box simplifies wiring tasks.
  • Waterproof, dustproof, and corrosion-proof design.
  • Connects brake, running, reverse, and turn signals.
  • Includes sealing gaskets for enhanced durability.
  • Universal fit for various RV and trailer applications.
  • Average Rating out of 5:
  • Price Range: $39.99
  • Material: PVC, Rubber
4

MICTUNING 7 Way Trailer Cord with Junction Box

  • Heavy duty 7-way trailer plug for durability.
  • 8-foot cord offers flexible installation options.
  • Weatherproof and corrosion resistant for longevity.
  • Easy color-coded wiring for quick connections.
  • Flameproof ABS junction box for safety.
  • Includes multiple grommets for sealing options.
  • Perfect for RVs, trailers, and towed vehicles.
  • Average Rating out of 5:
  • Price Range: $26.43
  • Color: 55 positive
5

MECMO 4-Way to 7-Way Trailer Adapter

  • Dual-output for versatile towing options.
  • Connects mismatched trailer light and vehicle sockets.
  • Weatherproof design with sealed terminals.
  • Includes mounting bracket, screws, and nuts.
  • Compatible with 4-way and 7-way trailer plugs.
  • Easy installation for hassle-free setup.
  • Durable construction with reinforced thick plastic.
  • Average Rating out of 5:
  • Price Range: $23.99
  • Material: Copper
6

OPT7 7 Pin to 4 Pin Trailer Adapter

  • Converts 7-pin to 4-pin trailer connections easily.
  • Secure tab prevents accidental disconnections during use.
  • Compact design: 3.75" long, 1.75" diameter.
  • Weatherproof construction for all conditions.
  • Rust-resistant prongs ensure durability and longevity.
  • Compatible with UHAUL and various trailers.
  • 30-day warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $7.64
  • Color: 7 Pin to 4 Pin Trailer Adapter
7

NBJINGYI 2" Straight Trailer Coupler 3500 lbs

  • Fits 2" wide trailer tongues.
  • Compatible with 2" trailer balls.
  • Holds up to 3500 lbs load capacity.
  • Easy-lock latching system for convenience.
  • Includes holes for safety pin or lock.
  • Zinc finish prevents rust and corrosion.
  • Quality trailer accessory from NBJINGYI.
  • Average Rating out of 5:
  • Price Range: $20.89
  • Material: Alloy Steel
8

Nilight 4-Way to 7-Way Trailer Adapter

  • Converts 4-way flat to 7-way round blade.
  • Tight connection prevents loose fittings and wiggling.
  • Durable heavy-duty plastic construction for long-lasting use.
  • Sealed cover protects against dust and moisture.
  • Easy installation with included mounting bracket and hardware.
  • Compatible with most trailers, RVs, and semi-trailers.
  • Transfers power for signals, brakes, and reverse lights.
  • Average Rating out of 5:
  • Price Range: $12.38
  • Color: 4Way to 7Way Adapter
  • Material: Plastic
9

iBroPrat 2pcs Trailer Axle Dust Caps

  • Heavy-duty carbon steel and rubber construction.
  • Zinc plated to resist corrosion and rust.
  • Includes two additional rubber seals for convenience.
  • Fits most 2000-3500 lb trailer axles.
  • Measurement: 1.98 inches diameter, check compatibility.
  • Compatible with EZ Lube and standard axles.
  • Satisfaction guarantee for peace of mind.
  • Average Rating out of 5:
  • Price Range: $7.98
10

Nilight 25ft 4 Way Trailer Wire Cable

  • 25ft length for versatile applications.
  • Color-coded wires for easy installation.
  • Made of 100% pure copper for durability.
  • 14 gauge wire ensures optimal performance.
  • Heavy-duty, weatherproof design for reliability.
  • Compatible with various 12-volt setups.
  • Includes wiring diagram for convenience.
  • Average Rating out of 5:
  • Price Range: $8.06
  • Color: 4 Pin Trailer Extension Cable 25FT
11

Yiqqplos Safety Coupler Pin (2 Pack)

  • High carbon steel for durability and corrosion resistance.
  • Versatile for trailers, towing, and lawn equipment.
  • Secure square wire lock prevents accidental uncoupling.
  • Easy installation and removal for convenience.
  • Standard size: 1/4" x 3.15" (6.3mm x 80mm).
  • Affordable price without compromising on quality.
  • Reliable choice for your trailer and cargo safety.
  • Average Rating out of 5:
  • Price Range: $4.99
  • Color: Silver
  • Material: Carbon Steel, Galvanized Steel
12

CURT [25194] Posi-Lock Coupler Latch

  • Replaces coupler latch for CURT posi-lock couplers.
  • Compatible with 2-inch trailer balls and widths.
  • Easy adjustment with spring and nut mechanism.
  • Includes holes for safety pin or coupler lock.
  • High-strength steel construction for durability.
  • Zinc-plated finish resists corrosion and wear.
  • Simple installation for hassle-free trailer use.
  • Average Rating out of 5:
  • Price Range: $8.86
13

MECMO 7-Way RV Trailer Light Connector

  • 7-blade RV-style trailer connector for vehicle side.
  • Quick-install pigtail harness for easy wiring.
  • Heavy-duty, rust-free plastic construction for durability.
  • 180-degree opening for effortless connections.
  • Includes mounting bracket, screws, and nuts.
  • Compatible with various trailers and vehicles.
  • Corrosion-resistant terminals for reliable conductivity.
  • Average Rating out of 5:
  • Price Range: $17.99
  • Material: Copper
14

Oyviny 7 Pin Waterproof RV Trailer Plug

  • IP68 waterproof seal for maximum protection.
  • Detachable compression nut for easy maintenance.
  • Sturdy construction ensures long-lasting durability.
  • Secure connection for trailer and tow vehicle.
  • Good strain relief prevents wire pull-out.
  • Easy installation with straightforward wiring process.
  • Brass terminals for superior electrical conductivity.
  • Average Rating out of 5:
  • Price Range: $13.59
15

WUSHIXAN 7 Pin Trailer Plug Tester

  • High-quality ABS plastic and copper construction.
  • Tests tail lights, brake lights, and more.
  • Compatible with standard 7-way blade trailers.
  • Superior brass pins ensure stable connections.
  • Six bright LED indicators for easy identification.
  • Plug and play design for quick setup.
  • Durable and weather-resistant for long-term use.
  • Average Rating out of 5:
  • Price Range: $8.99
16

PINAILER Trailer Pins (Pack of 10)

  • Pack of 10 durable trailer pins included.
  • Size: 2-3/4" length, 1/4" diameter.
  • Made from premium carbon steel material.
  • Zinc plating for rust and corrosion resistance.
  • Easy-to-use square design for convenience.
  • Versatile for various locking applications.
  • Compact solution for secure trailer connections.
  • Average Rating out of 5:
  • Price Range: $8.99
  • Material: Carbon Steel
17

Camco RV Toilet Tissue (4 Rolls)

  • Approved for RV and marine sanitation systems.
  • Soft, durable, and absorbent 2-ply tissue.
  • Flushable and clog-resistant for hassle-free use.
  • Biodegradable and septic tank safe formulation.
  • Free from dyes and perfumes for sensitivity.
  • Each roll contains 500 sheets for lasting supply.
  • Perfect choice for travel and outdoor adventures.
  • Average Rating out of 5:
  • Price Range: $6.59
  • Size: ‎0
  • Material: Paper
18

PUKVAHQ 4 Pin Trailer Wiring Harness [22FT]

  • Durable nylon net tube for protection.
  • 22FT length, perfect for various applications.
  • Easy color-coded wiring for simple installation.
  • Compatible with standard 4-way flat sockets.
  • Weather-resistant design for reliable performance.
  • Includes detailed instructions for hassle-free setup.
  • Quality copper wire ensures optimal conductivity.
  • Average Rating out of 5:
  • Price Range: $7.99
19

ONLINE LED STORE 7-Way to 5-Way Trailer Adapter

  • No tools needed for easy plug-and-play connection.
  • Compact design fits easily in storage compartments.
  • Rugged nylon housing withstands water and shock.
  • Nickel-plated copper terminals ensure superior conductivity.
  • Locks securely in place during towing.
  • Compatible with lightweight trailers and RVs.
  • Eliminates dangling connectors for a cleaner look.
  • Average Rating out of 5:
  • Price Range: $8.50
  • Material: Nylon, Copper
20

CXTM 7-Pin Trailer Wiring Harness (6ft)

  • 7-way copper blade for durability and reliability.
  • 6ft cord for versatile trailer setups.
  • Color-coded poles simplify wiring connections.
  • Waterproof junction box protects against weather.
  • Compatible with most standard trailer wiring.
  • Flexible PVC housing for easy installation.
  • 1-year warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $25.59
21

CURT 58150 7-Pin RV Trailer Connector

  • Spring-loaded dust cover protects connection points.
  • Concealed wire terminals for added weather resistance.
  • Ready to splice into existing vehicle wiring.
  • Compatible with multiple vehicle-side 7-way connectors.
  • Durable plastic housing resists rust and corrosion.
  • Connects taillights, brakes, and auxiliary power easily.
  • Ideal for towing RV travel trailers efficiently.
  • Average Rating out of 5:
  • Price Range: $6.72
  • Color: 0 positive
  • Material: Black Plastic
22

Hopkins Towing Solutions 48115 Trailer Connector

  • Durable 12-inch trailer connector for reliable connections.
  • 4-wire flat design for easy trailer wiring.
  • Corrosion-resistant terminals ensure long-lasting performance.
  • Wire functions printed for quick identification.
  • Meets SAE standards for safety and compatibility.
  • Easy installation with no splice connectors required.
  • Perfect for various trailer applications and setups.
  • Average Rating out of 5:
  • Price Range: $5.18
23

Agrieyes 7 Pin to 4 Pin Trailer Adapter

  • Converts 7-way blade to 4-way flat easily.
  • Compact design for convenient toolbox storage.
  • Durable high-strength ABS material construction.
  • Waterproof and corrosion-resistant for longevity.
  • Compatible with various vehicles and trailers.
  • One-year warranty for peace of mind.
  • Customer support available within 24 hours.
  • Average Rating out of 5:
  • Price Range: $6.49
  • Color: Black
  • Material: Plastic
24

Flexzilla Pro Coupler & Plug Kit [14-Piece]

  • High flow rate compared to standard couplers.
  • Easy push-to-connect system for quick attachments.
  • Durable construction for long-lasting performance.
  • Maximum pressure capacity of 300 PSI.
  • Includes 14 essential pieces for versatility.
  • 1/4" NPT size for compatibility with various tools.
  • Distinctive ZillaGreen and nickel finish for visibility.
  • Average Rating out of 5:
  • Price Range: $39.99
  • Size: ‎0.25 Inch
  • Material: Aluminum
25

CXTM 7 Way Trailer Plug Tester

  • Easy plug-and-play installation for quick use.
  • LED indicators for clear light function visibility.
  • Durable nylon body and copper terminals for longevity.
  • Tests six trailer light functions effectively.
  • Compatible with most 7-way trailer plugs.
  • Compact design for easy storage in vehicles.
  • Includes 1-year warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Color: black
26

Ekrnlyi 7 Pin Trailer Plug Adapter

  • 2 in 1 design for versatile connections.
  • Compatible with various vehicle types.
  • High-strength nylon shell for durability.
  • Brass plugs ensure excellent conductivity.
  • Easy installation without cutting wires.
  • Nickel-plated copper core for reliability.
  • Strict quality control for customer satisfaction.
  • Average Rating out of 5:
  • Price Range: $6.75
  • Material: Brass
27

Oyviny 7 to 4 Way Trailer Plug Adapter

  • Converts 7 way RV plug to 4 way flat.
  • Easy installation: plug and play design.
  • Durable construction for long-lasting use.
  • Protected against wear with nylon wire loom.
  • Weather-resistant materials for outdoor use.
  • Flexible 6.5 inch wire lead for various setups.
  • Compatible with most vehicles, caravans, and RVs.
  • Average Rating out of 5:
  • Price Range: $13.99
28

JDMSPEED [4pcs] Trailer Wheel Hub Dust Caps

  • Durable carbon steel with zinc-plated finish.
  • Fits most 7000-8000 lb trailer wheel hubs.
  • Includes 4 extra rubber plugs for emergencies.
  • Preserves grease and prevents axle corrosion.
  • Removable rubber plugs for easy maintenance.
  • Dimensions: 2.72 inches outer diameter.
  • Compatible with EZ Lube and standard axles.
  • Average Rating out of 5:
  • Price Range: $15.99
  • Material: Metal
29

CXTM 7 Way Trailer Plug Connector

  • Standard 7-way connector for RV trailers.
  • Ergonomic design for easy grip and use.
  • Reliable connection for trailer lights and brakes.
  • Durable nylon body for long-lasting performance.
  • Corrosion and wear-resistant copper terminals.
  • Suitable for various trailer types and uses.
  • 1-year warranty for added peace of mind.
  • Average Rating out of 5:
  • Price Range: $6.99
30

AutoSonic 7 Pin to 4 Pin Adapter

  • Converts 7-pin RV connector to 4-way flat.
  • Weatherproof design for durability and longevity.
  • Compatible with campers and boat trailers.
  • Easy plug-and-play installation for quick use.
  • Includes anti-dust cover for added protection.
  • High-quality craftsmanship ensures trouble-free operation.
  • Compact design enhances towing vehicle aesthetics.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Color: 8 positive