California Diesel Manufacturing Llc® ("Seller"), gives limited warranty as to description, quality, merchantability, and fitness for a particular purpose, productivity, etc. other matter of the product. The Seller will not be in any case responsible for the products, use, and services, the buyer waives all rights other than those expressly written in this document. 

Limited Warranty covers and includes all defective stock (material and/or workmanship). This warranty does not apply to defects caused by, but not limited to, misdiagnosis, incorrect application, improper installation, misuse, collisions, or negligence.

This warranty will not be extended if it is altered or modified unless the buyer and the Seller sign a written document. 

The warranty is different on each product as they are from different brands. Please refer below to learn more about them:

  • Genuine OE/OEM Diesel Fuel Injectors are limited to two (2) years from the date of sale (USA, Canada, and Europe), 12 months in Latin America and other countries.
  • Alliant Power® General warranty varies two (2) years from the date of sale (USA, Canada, and Europe), 12 months in Latin America and other countries, or  12 months, unlimited mileage warranty, free of manufacturing defects in material and craftsmanship. Click here for the complete information about the AP warranty.
  • Purepower Technolgies® Items sold by PurePower are warranted to be free from defects in material and workmanship for a period of 1 year and unlimited miles from the date of invoice when used according to the manufacturer’s recommended usages.
  • California Diesel® Refurbished diesel injectors are limited to 6 months from the date of sale in injectors (USA, Canada, and Europe), 3 months in Latin America and other countries on Ford Vehicles. Navistar vehicles have a warranty 3 months, depending on the country.
  • California Diesel® Remanufactured Diesel Fuel Injectors are limited to 12 months from the date of sale in injectors (USA, Canada, and Europe), six months in Latin America and other countries. Navistar vehicles have a warranty for 6 and 3 months, depending on the country.
  • Maktest and Lucas Diesel Systems Equipments have a standard Manufacturer's Warranty.

What type of coverage is not included in a manufacturer’s warranty?

  • Cosmetic issues. Despite being unsightly, any scratches, dents, cracks, etc. are not covered under your basic warranty.
  • Installation error. Problems stemming from an installation error are not within the scope of the manufacturer’s responsibility and as a result will not be covered.
  • Mechanical issues beyond one year. Unless otherwise specified, it’s safe to assume that you won’t be covered for any damage or malfunction after you pass the one-year mark.

Electrical parts are not guaranteed in the case of the coils for diesel electronic injectors. All products under warranty must be returned and must be accompanied by proof of purchase receipt and/or invoice; without this, the contract cannot be respected. If possible, send the original packaging.

All products will be checked, repaired, or replaced at the sole discretion of Seller's rights.

Under no circumstances will the Seller be responsible for any work time or trips made in the diagnosis of defects, removal or reinstallation of the product, or any other generated expense.

California Diesel Manufacturing Llc assumes no liability and will not incur the costs of labor, technical fees, towing, rental/courtesy vehicles, etc. that relate to the purchase and installation of units purchased.

In no case will the Seller be responsible for any damage or expenses incurred due to the use or sale of said equipment. IF THE BUYER DISAGREES: The buyer may RETURN THE PRODUCT, IN A NEW AND UNUSED CONDITION, WITH A PROOF OF DATE OF PURCHASE NO LONGER THAN TEN (10) DAYS FROM THE DATE OF PURCHASE FOR A REFUND FULL.


NOTE: The use of alternative fuels has been determined to be detrimental to the fuel system. THE USE OF ANY BIODIESEL OR ANY OTHER ALTERNATIVE FUEL VOIDS ALL WARRANTIES.