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Curt Manufacturing heavy duty 7-way RV blade connector socket

Curt Manufacturing

Curt Manufacturing 58155 Heavy Duty 7-Way RV Blade Connector Socket

SKU CH-37WM-3GS5B

Heavy-duty 7-way RV blade connector socket built for reliable trailer and towing wiring

  • TypeTrailer, Plow & Towing Equipment
  • Heavy-duty construction ensures reliable towing connections
  • 7-way RV blade design fits standard trailer wiring
  • Model 58155 identifies the exact replacement part
  • CURT brand backs quality for trailer and plow equipment
  • New condition guarantees full factory performance

Heavy-Duty 7-Way RV Blade Socket

This Curt Manufacturing connector provides a heavy-duty 7-way RV blade interface for trailer, plow and towing equipment. It is built for new installations or replacement of worn sockets on recreational and utility vehicles. The design supports standard RV blade wiring configurations used in North America.

Sustained load behaviour

The heavy-duty construction is intended to maintain reliable electrical contact during extended towing sessions where vibration and road shock are continuous. Corrosion-resistant terminals help preserve signal integrity over long periods of exposure to weather and road salt. Secure terminal crimps reduce the risk of intermittent connections under constant mechanical stress.

Pre-order checklist

Verify that your vehicle and trailer both use the 7-way RV blade pin layout before ordering. Confirm the mounting location offers enough depth and clearance for the socket body and wiring harness. Ensure you have the correct crimping tools and heat-shrink materials to seal each conductor against moisture ingress.

Highlights

  • Heavy-duty construction ensures reliable towing connections
  • 7-way RV blade design fits standard trailer wiring
  • Model 58155 identifies the exact replacement part
  • CURT brand backs quality for trailer and plow equipment
  • New condition guarantees full factory performance

Specifications

BrandCURT
TypeTrailer, Plow & Towing Equipment

Questions about this item

Does the Curt 58155 socket generate noticeable heat or draw extra power when the trailer lights run all day?

The connector is a passive junction; it carries only the current your trailer lamps need and adds no measurable heat or parasitic draw during continuous use.

What wiring must already be in place on the tow vehicle for the Curt 58155 to function?

A standard 7-way RV blade harness with battery charge, brake, turn, tail, reverse, ground and auxiliary circuits terminated at the rear bumper is required before plugging in this socket.

Will the Curt 58155 mate reliably with an older 7-way round-pin plug I still use on a vintage trailer?

No — the 58155 accepts only the flat RV blade configuration, so a round-pin plug cannot be inserted and an adapter would be needed for that legacy trailer.

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