Listed below are some of the most commonly asked questions. If you have any questions not shown here, visit Distributor list and contact the distributor of/ nearest your country.
Please purchase them at any Defi retailers. If you don’t find any retailers in your area, please contact
Defi’s official distribuor for your area. If they do not have them in stock, please make an order. Unfortunatelly, we do not sell our products online or directly because the installation requires wiring work.
Discontinued products are not available for purchase as we do not sell or ship them. However, it may be available for purchase if the distributors have them in stock.
Please check with your local Defi retailer or Defi’s official distributor where you plan to purchase the product.
You could be able to puchase a model that is no longer in production depending on the availability of distributors and dealer. Please check with your dealer.
We do not sell directly from Defi. Please contact Defi’s official distributor for your area.
We do not sell directly to customers. Please contact Defi retailer or Defi’s official distributor.
Please use our parts search.
The meter itself cannot be purchased separately (not available as a part).
Please refer to the instruction manual as data is available on this website (PDF data).
Sensors other than the turbo sensor (temperature, pressure, exhaust temperature) are common. However, other parts (sensor wire, meter wire, control unit, etc.) are not compatible.
Please refer to the System and Connection Configuration page for more details.
Please check our Parts Search or Parts List.
Please refer to the Defi official SNS accounts.
Please refer to the Defi Introduction page.
Use the following features to identify the product.
How to determine if it is a Defi-Link or ADVANCE system
[Defi-Link system]／[ADVANCE System]
Buttons on the surface of the control unit.／A serparated external switch unit is attached
The glass is spherical when viewed from the side.／The glass is flat when viewed from the side.
How to identify the product number
The QR sticker on the back of the product shows the product number starting with DF.
Zero point reset (offset adjustment) is available for ADVANCE Turbo gauges 2.0, 1.2, and Intake manifold gauges.
Please refer to the offset adjustment procedure of the ADVANCE Control Unit instruction manual.
If there still seems to be a large discrepancy, please contact our Customer Service Center.
Color change is not possible because some parts cannot be put back together once the gauge is disassembled. Also, we do not offer custom-made products.
It varies depending on the model and quantity of the product to be installed and the store whrere it is installed.
Labor charge is not included but product prices in the price list on this website. Please check with the store where the product is installed.
No. Installation requires knowledge, skills, tools, etc., and cannot be done by individuals.
We are not responsible for any accidents that may occur during installation if the product is installed by individuals. Also, we do not guarantee the product in this case. Please make sure to ask your dealer to have it installed.
Installation requires knowledge, skills, and tools. Please note that personal installation is not covered by the warranty.
For parts, please refer to the page for parts that need to be purchased separately.
Some cases may or may not be supported. Usage of Defi products with modified automotive is out of our warranty policy, so please install it at your own risk.
It depends on the points which have been modified, it may be used with the car as long as igniters have not modified.
However, we are not responsible for any accidents or malfunctions caused by installation.
Connection availability varies depending on the car model. Since Defi does not have information on vehicles other than those sold in Japan, please contact your local car dealer, Defi retailer, or Defi distributor about that.
If your product is not working properly, please ask the retailer or Defi’s official distibutor where you purchased it to inspect it.
If you are unable to visit the store whrere you purchase the products for various reasons, please contact Defi’s official distributor for your area.
Please contact Defi retailer or Defi’s official distributor.
You are free to link to this site. However, please be sure to read and follow the “Terms of Use
” before linking to our site. Also, please use the banner on the same page.
Defi is an own-brand product for the aftermarket of Nippon Seiki Corporation, which mainly manufactures genuine automotive gauges. We develop and design retrofit gauges and displays.
We have Facebook page,Instagram account, and YouTube channel.
All enquiries regarding sponsorships will be considered and carried out through our official distributors. Please contact Defi’s official distributor for your area.
