Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Humminbird

SW-TH89

Flush-mount kit for HELIX 8 and 9 G3 and G4

The Humminbird SW-TH89 flush-mount kit provides a rigid and reinforced flush installation for HELIX 8 and HELIX 9 G3N combos and newer models. It ensures secure mounting with a depth of 114.3 mm and requires adequate ventilation. Supplied complete with bracket and mounting hardware.

Retail priceBenefit from the professional rate

99,17€

Shipping calculated at checkout.

Import duties and taxes are payable by you on delivery.

Prices shown excluding VAT for United Arab Emirates. If your delivery address is in the European Union, the VAT of the destination country will be added at checkout.

Available in stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Detailed description

This Humminbird SW-TH89 flush-mount kit is designed for clean and secure integration of HELIX 8 and HELIX 9 units from G3N and later generations. It enables in-dash mounting for a seamless integration into your vessel’s dashboard.

Design and construction

It is specifically engineered for compatible models, ensuring a precise fit for a high-quality finish.

Installation and ventilation

Installation of this kit requires a mounting depth of 114.3 mm (4½ inches) for the control housing and cables. A critical warning specifies not to use power tools when securing the hardware to prevent damage to the kit or mounting surface.

Documentation

Type	Nom
	Humminbird — — guide accessoires
	Humminbird 740179-1 — original manual FR/EN
	Humminbird 740179-1 — original template EN, scale to be checked

Expert opinion

« Humminbird HELIX 8 and 9 G3N+ flush-mount kit: Integration »

This flush-mount kit is for users of Humminbird HELIX 8 and HELIX 9 chartplotters (G3N and newer models) seeking a permanent and aesthetic installation. It provides a flush-mounted integration, blending seamlessly with the dashboard.

It is designed for dashboard integration, delivering a clean appearance. Installation requires cutting a precise opening in the dashboard, which demands careful planning and suitable tools. The 114.3 mm depth for cable and housing clearance is a key factor when selecting the mounting location.

This kit is dedicated to HELIX 8 and 9 G3N models and later; it will not be compatible with other series or earlier generations.

Durabilité

Facilité d'installation

Rapport performance / prix

Payment and security

Your payment information and data are processed securely.

Flush-mount kit for HELIX 8 and 9 G3 and G4

99,17€

Frequently Asked Questions

Need help? Contact us

Which Humminbird HELIX models is this flush-mount kit compatible with?

This flush-mount kit is designed to be compatible with Humminbird HELIX 8 and HELIX 9 models from the G3N series, as well as with newer models in these ranges.

What exactly is included in the SW-TH89 flush-mount kit?

The SW-TH89 flush-mount kit is supplied complete with its bracket and all required mounting hardware for installation.

What is the required flush-mount depth for installing this kit?

For correct installation of this kit, a recess depth of 4½ inches (114.3 mm) is required. This measurement includes space for the control head and associated cables.