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Trailer Hardware

49 trailer hardware from Nilight, Oyviny, Grepspud and more.

Recommended Trailer Hardware

Aiuwizo

Hubs & Spindles, 4-Pack

+Four-pack covers all hubs on a multi-axle trailer
+Includes four extra rubber plugs
+Fits 1.98-inch axle hubs
−Silver finish only
No price recorded yet.
Buyers Products Company

Connectors

+Includes an LED tester for checking connections
+Converts 7-way flat to 4-flat connection
+Weather-resistant construction for outdoor use
−Black finish only
No price recorded yet.
Zudksuy

Connectors, 2-Pack

+Two plugs in one pack
+Seven-way round connector fits RV-style trailer wiring
+Flat blade pin layout for standard trailer plugs
−Black finish only
No price recorded yet.
Dazakoot

Springs

+Double tender spring design for two-line support
+Fits 16-inch tender spring applications
+Suspends trailer lines and cables
No price recorded yet.
Grepspud

Hubs & Spindles, 20-Pack

+20 rubber grease plugs in each pack
+Rated for 8000 lb trailer hub use
+Replaces trailer hub dust cap plugs
No price recorded yet.
Jdmspeed

Hubs & Spindles, 2-Pack

+Sold in a 2-pack of trailer axle dust caps
+Fits 1.98-inch axle ends
+Includes extra rubber plugs
No price recorded yet.
Racewill

2-Pack

+Two-pack of 1.98-inch bearing protectors
+Chromed stainless steel construction
+Includes a dust cover for hub axles
No price recorded yet.
Eumelia

Connectors, 2-Pack

+Sold as a 2-pack
+80-inch cable length for extended reach
+16 AWG wire gauge
No price recorded yet.
Wushixan

Connectors

+Tests 4 way flat trailer connector circuits
+Includes LED indicators to show wiring status
+Straight design for quick connector checks
No price recorded yet.
Bluarc Electronics

Connectors

+Converts 7 way round plug to 4 and 5 flat
+Two-in-one design covers both flat connector types
+Grip handles help with plugging and unplugging
No price recorded yet.
Agrieyes

Connectors

+Converts 7 way to 6 wire RV blade connector
+Premium build for trailer light connections
+Designed for RV blade trailer plug use
No price recorded yet.
Aikyciu

Connectors

+Converts 7 pin blade to 4 pin flat connector
+Includes mounting bracket for secure placement
+Dual connectors cover two trailer plug types
No price recorded yet.
AutoSonic

Connectors

+Two-in-one design covers 4 and 5 flat connectors
+Converts 7 way blade to 5 way flat plug
+Standard trailer connector plug format
No price recorded yet.
BFXM

Connectors, 2-Pack

+Two adapters included in each 2-pack
+Converts 7 way round to 4 and 5 flat blades
+Works as a trailer connector plug adapter
No price recorded yet.
Dreamdragon

Springs

+Pair of springs for two-spring setup
+3-leaf design at 24.62 inches
+Sold as a pair
No price recorded yet.
Hugwits

Connectors

+Converts 7 way round to 4 and 5 flat blade connectors
+Heavy duty weatherproof construction
+Operates on 12V trailer lighting systems
No price recorded yet.
Kpalag

Hubs & Spindles, 4-Pack

+Sold in a 4-pack of wheel hub cups
+Fits 2.44-inch trailer hubs
+Includes extra rubber plugs
No price recorded yet.
Ktipern

Connectors

+Converts a 4-pin flat plug to a 7-pin round connection
+Made with 18 AWG copper wire
+Connects a 7-way round plug to a 4-way flat plug
No price recorded yet.
Mecmo

Connectors

+Coiled harness extends to 5 feet
+Uses 18 AWG wiring
+Converts 7 way blade to 4 way flat connectors
No price recorded yet.
NeaLia

Connectors

+Tests 7-pin round trailer plugs
+Runs on 12V power for trailer wiring checks
+Black body for a compact tool
No price recorded yet.
New Sun

Connectors

+Seven-blade plug for seven-function trailer wiring
+Phosphor copper nylon housing
+Designed for trucks, RVs and tow vehicles
No price recorded yet.
Nilight

Connectors, 2-Pack

+Two-pack gives two junction boxes
+Seven-gang design splits trailer wiring into seven connections
+Weatherproof housing for outdoor trailer wiring
No price recorded yet.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.