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Ark Ezi-connect Boat Trailer Harness Extension Kit

Cat.No:  90222 Sup. No:  EXBT21B

Availability: In stock

RRP: $39.95

our price $32.95
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Suitable for boat trailers up to 21ft (Extends the Ezi-Connect Boat Trailer Harness from 16ft to 21ft) Quick connect threaded submersible connectors that will never come apart.


  • 100% Quick Connect.
  • 100% Tool-less Installation.
  • 100% Submersible.
  • Only compatible with Part No. BTH16B (Sku 90220)

Extension Kit Includes:

  1. Front extension
  2. Rear left extension
  3. Rear right extension

Below are three configurations using the Ezi-connect Boat Trailer Harness to facilitate your individual needs. 

Part No.

  • BTH16B Sku 90220 - suits trailers up to 16' 
  • BTH16B + EXBT21B Sku 90222 - suits trailers up to 21' 
  • BTH16B + EXBT21B + EXM73B Sku 90224 - suits boat trailers up to 21' with markers

Australia's largest marine accessories retailer. Serving boat owners since 1962. With sixteen big supermarkets and mail order departments Australia wide Whitworths Marine & Leisure offers the best service, convenient locations, a huge selection of quality products, and unbeatable prices.