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The products sold by Niterra do Brasil have a 90% warranty. (ninety) days against manufacturing defects from the effective delivery date of the product, according to the Consumer Protection Code (art.26, II –; CDC).
–; Product purchase invoice, within 90 days;
–; Vehicle data where the product was applied as a brand, model, motor, year of manufacture and fuel;
–; Information regarding the claimed defect and conditions of occurrence of the failure;
–; Installation failures;
–; Damaged product;
–; Damage caused by breakage or malfunction of other vehicle components;
–; Natural wear of the product;
–; Product contamination by fuel or other contaminants;
–; Incorrect application of the product;
See the correct application of NGK products in our application table, quick site search www.ngkntk.com.br, NGK electronic catalog or NGK App;
To facilitate, NGK provides technical information and fault diagnosis posters to the market, where we indicate the main points that are not covered by the NGK warranty. See this material on the link: ( website link to fault diagnosis poster).
The way to request the warranty basically depends on the way the products are sold.
–; Para compras via e-commerce –; via sites, Shopping app:
Each site has a specific warranty policy., check website or supplier for applicable policies.
–; For purchases via distributors and auto parts:
Each company has a procedure for returning warranty parts, consult your trusted dealer and/or auto parts for their warranty policy.
In all cases, suppliers must verify that the claimed parts meet the warranty conditions regarding the term, time course (contained in the invoice), fault conditions, application data.
Parts must return to NGK distributor, for technical analysis of the product. Parts that do not meet the warranty conditions established by NGK will be returned with an appraisal report, with the reasons for refusal.
–; For parts sold as OEM original equipment (that came out in the vehicle or purchased at dealerships as original parts), consult the dealerships of the respective brand, as these parts are subject to the specific warranty and analysis policies of each assembler. Your service can be carried out through the brand's dealerships.
–; The original parts, have the assembler's logo and/or the assembler's part number.
Caso tenha alguma dúvida procure o Serviço de Atendimento ao Consumidor –; assembler's SAC.
In case of doubts, you can contact NGK at SAC 0800 019 7112, e-mail duvidas@ngkntk.com.br according to the Consumer Protection Code www.ngkntk.com.br.
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Technical manuals are separated by product line: Sails and Cables, Oxygen Sensors and Ignition Coils.
In case you have more questions, contact our customer service: 0800 019 7112 or by e-mail duvidas@ngkntk.com.br
Click on the image to download Ignition Coils manuals, Click on the image to download Ignition Coils manuals.