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CouplerTec for 4WDs/SUVs

There is a CouplerTec System to suit every 4WD and SUV. In choosing the best-suited CouplerTec electronic rust-proofing system, you have to consider the size and shape of your vehicle, and the period of time during which it is exposed to highly corrosive driving, weather and environmental conditions.

These systems protect 4WDs/SUVs and off-road 4WDs/SUVs even in the most corrosive environments!

We can help you choose the system that is best suited for your vehicle.

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4WD System for 4WDs and SUVs

The 4WD System has been specifically designed to protect 4WDs/SUVs from rust, even when these vehicles are exposed to *OCCASIONAL use within highly corrosive environments (driving on salted roads, coastal roads and beaches).

*1 day per month, alternatively, up to two weeks per year

This product is best suited to vehicles that are in reasonably good condition, e.g. no existing rust. For older vehicles or vehicles with minor rust problems, use the larger 4WD Heavy-Duty System or 4WD Extreme Heavy-Duty System

4WD System kit includes:

1 x CouplerTec Module 4WD 1x Small Ring Terminal (5 mm) 2 x Alcohol Cleaning Pad
2 x Capacitive Coupler 1 x Mini Blade Fuse Holder 2x Self-Tapping Screw
3 x Heat Shrink Joiner 2 x Blade Fuse 2 amp 1x Installation Guide
System 4WD Self Fit Kit (SFK) auch beinhaltet: 1 x Black Auto Cable (7m length), 1 x Split Loom (3m length),
20 x Cable Ties 1 x 6 mm Hex Nut.  

4WDHD Heavy-Duty System

The 4WDHD Heavy-Duty System has been specifically designed to protect 4WDs/SUVs from rust, even when these vehicles are exposed to *FREQUENT use within highly corrosive environments (driving on salted roads, coastal roads and beaches).

*weekend use

This system may also benefit older 4WD vehicles that are suffering from minor existing rust problems. Despite their state-of-the-art technology and efficiency, however, CouplerTec systems are not a miracle cure. While they will significantly slow down the process of rust growth in a badly rusted vehicle, they will not restore its past glory. The more rust a vehicle has, the harder it is to stop it.

4WDHD System kit includes

1 x CouplerTec Module 4WDHD 1x 5 mm Small Ring Terminal 4 x Alcohol Cleaning Pad
4 x Capacitive Coupler 1 x Mini Blade Fuse Holder 2 x Self-Tapping Screw
6 x Heat Shrink Joiner 2 x Blade Fuse 2 amp 1x Product Installation Guide
4WDHD System Self Fit Kit (SFK) includes: 1 x Black Auto Cable (7m length), 1 x Split Loom (3m length),
20 x Table Ties, 1x 6 mm Hex Nut.  

4WDXHD – Extreme Heavy-Duty System for SUV's

The 4WDXHD Extreme Heavy-Duty System offers the ultimate in protection. It has been specifically designed to protect and dramatically reduce corrosion on 4WDs/SUVs which are exposed to *CONSTANT use within highly corrosive environments (driving on salted roads, coastal roads and beaches).

*daily use

This system may also benefit older 4WD vehicles that are suffering from minor existing rust problems. Despite their state-of-the-art technology and efficiency, however, CouplerTec systems are not a miracle cure. While they will significantly slow down the process of rust growth in a badly rusted vehicle, they will not restore its past glory. The more rust a vehicle has, the harder it is to stop it.

4WDXHD System kit includes:                    to the top

1 x CouplerTec Module 4WDXHD 1x Small Ring Terminal (5 mm) 6 x Alcohol Cleaning Pad
6 x Capacitive Coupler 1 x Mini Blade Fuse Holder 2x Self-Tapping Screw
6 x Heat Shrink Joiner 2 x Blade Fuse 2 amp 1x Product Installation Guide
The 4WDXHD System Self Fit Kit (SFK) includes: 1 x Black Auto Cable (7m length), 1 x Split Loom (3m length),
20 x Cable Ties 1 x 6 mm Hex Nut.  

4WDXHD24V – Extreme Heavy-Duty System for 24V 4WD vehicules

The 4WDXHD24V Extreme Heavy-Duty System offers the ultimate in protection. It has been specifically designed to protect and dramatically reduce corrosion on 24V 4WDs which are exposed to *CONSTANT use within highly corrosive environments (driving on salted roads, coastal roads and beaches).

*daily use

This system may also benefit older 4WD vehicles that are suffering from minor existing rust problems. Despite their state-of-the-art technology and efficiency, however, CouplerTec systems are not a miracle cure. While they will significantly slow down the process of rust growth in a badly rusted vehicle, they will not restore its past glory. The more rust a vehicle has, the harder it is to stop it.

4WDXHD24V System kit includes:                    to the top

1 x CouplerTec Module 4WDXHD24V 1x Small Ring Terminal (5 mm) 6 x Alcohol Cleaning Pad
6 x Capacitive Coupler 1 x Mini Blade Fuse Holder 2x Self-Tapping Screw
6 x protective Covers (1PC) 12 x Self-Tapping Screw Hex Head (1PC)  
6 x Heat Shrink Joiner 2 x Blade Fuse 2 amp 1x Product Installation Guide
The 4WDXHD System Self Fit Kit (SFK) includes: 1 x Black Auto Cable (7m length), 1 x Split Loom (3m length),
30 x Cable Ties 1 x 6 mm Hex Nut.  

PDF Download

PDF Product Installation Guide english    
CouplerTech Model File name/Version File Size  
CouplerTech 4WDSFK 4WD_IG2014_e_2.pdf 985 kB  
CouplerTech 4WDHDSFK 4WDHD_IG2014_e_2.pdf 988 kB  
CouplerTech 4WDXHDSFK 4WDXHD_IG2014_e_2.pdf 989 kB  
CouplerTech 4WDXHD24V 4WDXHD24V_IG2014_e_2.pdf 992 kB