75WR-4 - Airmar Transducer Housing Wrench | Aztek Computers
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SKU: EUAS3C6PTT |  Mfg. Part: 75WR-4  | 
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75WR-4 - Airmar Transducer Housing Wrench

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$48.47  $65.43
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Product Overview

75WR-4 Transducer Housing Wrench

A single-handed wrench that holds the main thru-hull housing via the 'wrench flats' on the side of the housing to facilitate tightening of the hull nut.
Use wrench 75WR-2 or 75WR-3 for the hull nut.

For use with:
  • B75
  • SS75







Expert Overview

The Airmar 75WR-4 Transducer Housing Wrench is a specialized tool designed for IT professionals and technicians involved in marine electronics installation and maintenance. This single-handed wrench is engineered to securely hold the main thru-hull transducer housing by its wrench flats. Its primary function is to stabilize the housing, enabling the proper tightening of the hull nut with a separate wrench (such as the 75WR-2 or 75WR-3). This ensures a secure and watertight installation, preventing potential issues related to loose transducers. The 75WR-4 is compatible with Airmar B75 and SS75 series transducers, providing a precise fit for these specific models. This tool addresses the common challenge of securing the transducer housing during installation, streamlining the process and contributing to the longevity and reliability of the marine electronic system. It is suitable for businesses requiring dedicated tools for their installation and service operations.

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Airmar
  • 75WR-4
  • New
  • 0.85 lbs
  • 10 X 1 X 5
  • Jul 19, 2026
  • Sep 20, 2018
Product Identifiers: Brand: Airmar • Part #: 75WR-4 • Category: Consumer Electronics

Frequently Asked Questions

What is the primary function of the Airmar 75WR-4 wrench?

The 75WR-4 wrench is designed to hold the main thru-hull transducer housing via its wrench flats. This stabilizes the housing to facilitate the tightening of the hull nut with a separate wrench.

Which Airmar transducer models is this wrench compatible with?

This wrench is specified for use with Airmar B75 and SS75 series transducers.

Is the 75WR-4 wrench used for tightening the hull nut directly?

No, the 75WR-4 holds the transducer housing. A separate wrench, such as the 75WR-2 or 75WR-3, is required to tighten the hull nut itself.

What type of installation scenario is this tool intended for?

This tool is intended for scenarios involving the installation or maintenance of thru-hull transducers, specifically to secure the transducer housing during the hull nut tightening process.

75WR-4 - Airmar Transducer Housing Wrench

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