Contact Our Parts Experts: 1-888-625-5460

B2B: 941-900-4810

Hablamos Español
Shop by Engine
Free Shipping over $99
Earn up to 4.5% Back on Purchases
Assistance From Boat Parts Experts
Free Shipping over $99
Earn up to 4.5% Back on Purchases
Assistance From Boat Parts Experts

Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

PartsVu Blue Rewards

Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine & lower unit sales.

Start Saving Now

PartsVu Blue Rewards

Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine & lower unit sales.

Start Saving Now

Ready To Serve

Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

Ready To Serve

Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

Trailer Adapters & Wiring Harnesses

(115 products)

All Categories
  • Wesbar - 5-Flat Plug Loop 24" Long - Car & Trailer End Wiring Harness - 707255

    Wesbar

    Wesbar - 5-Flat Plug Loop 24" Long - Car & Trailer End Wiring Harness - 707255

    $11.71 $26.69
    Learn More
  • Wesbar - 4-Pin Flat Trailer End Connector - 11 foot - 54000026

    Wesbar

    Wesbar - 4-Pin Flat Trailer End Connector - 11 foot - 54000026

    $57.78
    Learn More
  • 7-WAY FIFTH WHEEL ADAPTER HARNESS (TOW READY) - 20111

    Fulton

    7-WAY FIFTH WHEEL ADAPTER HARNESS (TOW READY) - 20111

    $163.98 $191.19
    Learn More
  • Pollak Corp - 7-WAY HARNESS ADAPTER,7-WAY RV HARNESS ADAPTER - 11933

    POLLAK CORP

    Pollak Corp - 7-WAY HARNESS ADAPTER,7-WAY RV HARNESS ADAPTER - 11933

    $50.26
    Learn More
  • Sea Choice - 7Way Round to 5Way Flat Adapter With Lead - 52981

    SEACHOICE

    Sea Choice - 7Way Round to 5Way Flat Adapter With Lead - 52981

    $17.76 $19.09
    Learn More
  • Seachoice - 7 Way Trailer Connector - 13881

    SEACHOICE

    Seachoice - 7 Way Trailer Connector - 13881

    $24.62 $26.49
    Learn More
  • Seachoice - 7 Way Trailer Connector - 13831

    SEACHOICE

    Seachoice - 7 Way Trailer Connector - 13831

    $19.33 $20.78
    Learn More
  • Seachoice - 7 Way Trailer Connector - 13821

    SEACHOICE

    Seachoice - 7 Way Trailer Connector - 13821

    $25.45 $27.31
    Learn More
  • 7-WAY ADAPTER (FULTYME RV) - 1000

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1000

    $18.21 $19.99
    Learn More
  • Seachoice - 7 Way Trailer Connector - 13811

    SEACHOICE

    Seachoice - 7 Way Trailer Connector - 13811

    $20.48 $22.00
    Learn More
  • 7-WAY ADAPTER (FULTYME RV) - 1001

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1001

    $18.67
    Learn More
  • 7-WAY ADAPTER (FULTYME RV) - 1007

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1007

    $18.57 $20.99
    Learn More
  • 7-WAY ADAPTER (FULTYME RV) - 1002

    FULTYME RV

    7-WAY ADAPTER (FULTYME RV) - 1002

    $16.84 $18.79
    Learn More
  • Wesbar - 7-Way Flat Pin to 5-Flat Adapter w/LED Lamp - Out By-Pass for European Vehicles - 20141

    Wesbar

    Wesbar - 7-Way Flat Pin to 5-Flat Adapter w/LED Lamp - Out By-Pass for European Vehicles - 20141

    $20.72 $21.29
    Learn More
  • Sea Choice - 7Way Round USCar Style TwistLock ConnectorCar Side, TwistLock - 57941

    SEACHOICE

    Sea Choice - 7Way Round USCar Style TwistLock ConnectorCar Side, TwistLock - 57941

    $14.21 $15.24
    Learn More
  • Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57861

    SEACHOICE

    Sea Choice - 7Way Round USCar Style ConnectorCar Side, Heavy Duty - 57861

    $7.22
    Learn More
  • Optronics - Optronics A57WBP 7-Way Round Blade to 5-Way Flat Pin Connector Adapter 16" Cable - A57WBP

    OPTRONICS

    Optronics - Optronics A57WBP 7-Way Round Blade to 5-Way Flat Pin Connector Adapter 16" Cable - A57WBP

    $18.26
    Learn More
  • Pollak Corp - 7-5 WAY ADAPTER,7-WAY TO 5 WAY CONNECTOR ADAPTER - 12718EP

    POLLAK CORP

    Pollak Corp - 7-5 WAY ADAPTER,7-WAY TO 5 WAY CONNECTOR ADAPTER - 12718EP

    $15.05
    Learn More
  • Pollak Corp - 7WAY RV TO 5WAY FLAT ADAPTER,7-WAY RV TO 5-WAY FLAT ADAPTER - 12744EV

    POLLAK CORP

    Pollak Corp - 7WAY RV TO 5WAY FLAT ADAPTER,7-WAY RV TO 5-WAY FLAT ADAPTER - 12744EV

    $14.90
    Learn More
  • TRAILER CONNECTOR (FULTYME RV) - 1013

    FULTYME RV

    TRAILER CONNECTOR (FULTYME RV) - 1013

    $7.29
    Learn More
  • Seachoice - 48" Trailer Wire Harness Extension - 13991

    SEACHOICE

    Seachoice - 48" Trailer Wire Harness Extension - 13991

    $15.95 $17.12
    Learn More
  • Seachoice - 48" Trailer Wire Harness Extension - 13931

    SEACHOICE

    Seachoice - 48" Trailer Wire Harness Extension - 13931

    $16.17 $17.38
    Learn More
  • Sea Choice - 4 Flat to 5 Flat Trailer Wiring Adapter - 57721

    SEACHOICE

    Sea Choice - 4 Flat to 5 Flat Trailer Wiring Adapter - 57721

    $10.72 $12.19
    Learn More
  • 6-WAY ROUND TO 4-FLAT ADAPTER (FULTYME) - 2004

    FULTYME RV

    6-WAY ROUND TO 4-FLAT ADAPTER (FULTYME) - 2004

    $10.03 $10.99
    Learn More
  • Sea Choice - 7Way RV Style Connector to 6Way Round and 5Way Flat Adapter - 58101

    SEACHOICE

    Sea Choice - 7Way RV Style Connector to 6Way Round and 5Way Flat Adapter - 58101

    $20.90 $21.55
    Learn More
  • 7-WAY BLADE TO 4-FLAT ADAPTER WITH LED COVER (FULTYME) - 2005

    FULTYME RV

    7-WAY BLADE TO 4-FLAT ADAPTER WITH LED COVER (FULTYME) - 2005

    $9.71 $10.99
    Learn More
  • Sea Choice - 6 Way Round to 4 Flat Trailer Wiring Adapter - 57731

    SEACHOICE

    Sea Choice - 6 Way Round to 4 Flat Trailer Wiring Adapter - 57731

    $11.00 $11.81
    Learn More
  • 7-WAY BLADE TO 6-WAY ROUND AND 5-WAY FLAT ADAPTER (FULTYME) - 2033

    FULTYME RV

    7-WAY BLADE TO 6-WAY ROUND AND 5-WAY FLAT ADAPTER (FULTYME) - 2033

    $28.60
    Learn More
  • TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2027

    FULTYME RV

    TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2027

    $6.69
    Learn More
  • TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2001

    FULTYME RV

    TRAILER WIRING MOUNTING BRACKET (FULTYME) - 2001

    $1.83 $3.99
    Learn More
  • Sea Choice - Adapter, 7Way to Single 12V Accessory Port - 58071

    SEACHOICE

    Sea Choice - Adapter, 7Way to Single 12V Accessory Port - 58071

    $7.93 $7.95
    Learn More
  • 7-WAY TO SINGLE 12V ACCESSORY PORT (FULTYME) - 2030

    FULTYME RV

    7-WAY TO SINGLE 12V ACCESSORY PORT (FULTYME) - 2030

    $10.71
    Learn More
  • Pollak Corp - 7-Way to 6-Way Connector Adapter - 12719EP

    POLLAK CORP

    Pollak Corp - 7-Way to 6-Way Connector Adapter - 12719EP

    $8.41
    Learn More
  • Attwood Marine - Complete Trailer Wiring Kit - 76217

    Attwood Marine

    Attwood Marine - Complete Trailer Wiring Kit - 76217

    $19.53 $21.19
    Learn More
  • Sea-Dog Trailer Connector 4 Pole Kit - 753877-1

    SEA-DOG LINE

    Sea-Dog Trailer Connector 4 Pole Kit - 753877-1

    $11.50
    Learn More
  • Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 5-Way Flat - 18" Wire - 707250

    Wesbar

    Wesbar Vehicle/Trailer Adapter - 7-Way Blade to 5-Way Flat - 18" Wire - 707250

    $34.62 $36.39
    Learn More

PartsVu offers a full range of Boat Trailer Parts and Accessories to help you maintain your trailer. Follow these links to find: Boat Trailer Lights; Boat Trailer Bow Rollers & Stops; Trailer Adapters & Wiring Harnesses; Boat Trailer Jacks; Boat Trailer Hubs, Brakes & Bearings; Boat Trailer Balls & Couplers; Boat Trailer Hitches; Boat Trailer Accessories, Chocks & Tires; Boat Trailer Hardware, Brackets, Springs & Bolts; Boat Trailer Guides & Poles; Boat Trailer Bunk, Boards & Components; Boat Trailer Straps, Winches & Safety Chains.

Everything you need to know about wiring a Boat Trailer is featured in this article from the PartsVU Exchange.

Here's some great information about how to secure your boat trailer safely for the ride home.

Check out all of the great Boat Trailering Tips & Resources available at the PartsVU Exchange.

PartsVu is proud to carry a range of trailer accessories including trailer adapters and trailer wiring harnesses from leading manufacturers such as Seachoice, Wesbar, Sierra, RV Pigtails, Pollak Corporation, Hopkins Manufacturing, Attwood Marine, and others.