Diesel Injector FAQ

Please provide OE part number, Bosch/Denso/Delphi part number, VIN number, engine number or clear product photos. Our team can help check compatibility before ordering.

Yes. VIN verification is recommended, especially for diesel fuel injectors, common rail injectors and fuel pumps with multiple versions for the same vehicle model.

Please contact us before installation. Unused items may be eligible for return according to our Return Policy. Installed or used products are generally not eligible for return.

For better accuracy, please provide part number, OE number, VIN number, engine model, vehicle model and quantity. Photos of the old injector or pump are also helpful.

Product condition depends on the specific listing. Please check the product page carefully or contact Rayfuel before placing an order.

Yes. You can contact us with the part number, quantity and destination country. We can provide pricing and shipping suggestions for suitable diesel injection components.

Most orders arrive within 5–12 business days depending on destination, customs clearance and local delivery conditions.

Yes. Rayfuel ships diesel injection components to customers across North America, Europe, South America, Asia, Oceania and the Middle East.

Yes. A tracking number will be provided once your order has been dispatched.

Rayfuel provides a 12-month limited warranty for eligible diesel fuel injectors, common rail injectors, fuel pumps, injector nozzles and repair kits.

Installed or used products are generally not eligible for return unless otherwise confirmed by Rayfuel after inspection and review.

Buyer is responsible for return shipping costs unless the return is caused by our error, such as incorrect item shipped or confirmed product issue before installation.

Some common rail injectors may require ECU coding or calibration after installation. Please confirm installation requirements before use.

Yes. Fuel system cleaning is recommended before installing replacement injectors to reduce the risk of contamination damage.

Professional installation is recommended. Incorrect installation, contaminated fuel systems or improper handling may cause product failure and may affect warranty coverage.

Yes. Rayfuel supports distributors, repair shops, fleet operators and wholesale customers worldwide.

Yes. Please contact us with part numbers, quantity and destination country. We can provide bulk order support and shipping suggestions.

Yes. If you need specific diesel fuel injectors, fuel pumps, nozzles or repair kits, please send the OE number, engine model or product photos for checking.