Fuel Injector Caterpillar 2645A746 fits CAT Machine Engine - C4.4

General
Q 1. What is the delivery time?
A. Standard UK Mainland delivery is 2–3 working days.

Q 2. What is the warranty period for this product?
A. These products are backed by a 2-year unlimited mileage warranty.

Q 3. What is your return policy?
A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase.
Before returning an item, please contact us at customer@machinerefurb.com to obtain a Return Merchandise Number (RMN). You may also be asked to share images of the product and its packaging for verification.

Items that do not meet these conditions will not be accepted for return. If your return is approved, we will initiate a refund to your credit card or original method of payment. A restocking fee of up to 15% of the order value may apply to each returned item.

Q 4. How do I find the right Injector or Pump for my machine?
A. To ensure you get the correct injector or fuel pump, we use a Selection widget that helps match the product. For additional assistance, you can contact us directly via WhatsApp before ordering.

Q 5. What is your fit guarantee?
A. If the product does not fit your application, we’ll take it back free of charge, provided it meets our returns terms and conditions and has not been installed or used.

Q 6. How to Use the Selection Widget?
A. To find the right injector or pump for your machine, follow these simple steps:

1. Open the Selection widget on the Fuel Injectors & Fuel Pumps page.
2. Select whether you are looking for a Fuel Injector or a Fuel Pump.
3. Choose how you want to search (for example, by brand or OE Reference).
4. Select the required details from the dropdowns shown on screen.
5. The widget will display the matching product(s) for your selection.
6. Click on the result to view the product and proceed with your purchase.
If you’re unsure at any step, you can contact our team on WhatsApp and we’ll help you find the correct part.

Technical
Q 1. What makes a Reman injector OE-approved?
A. This injector is remanufactured according to original manufacturer standards, with all worn parts replaced and 100% end-of-line testing to ensure correct performance.

Q 2. Are the fuel injectors calibrated before delivery?
A. Yes, each injector receives a unique OE calibration code and is tested for correct spray pattern, timing, and flow during remanufacturing.

Q 3. How do I confirm the correct fuel injector for my vehicle?
A. You should always match the injector using the OEM part number, engine code, or VIN. Vehicle model alone is not always sufficient, as the same model may use different injectors.

Q 4. Can I replace just one fuel injector instead of all of them?
A. Yes, a single injector can be replaced if only one has failed. However, on high-mileage engines, replacing injectors in pairs or as a full set can help maintain balanced fuel delivery.

Q 5. What should be replaced when fitting a new fuel injector?
A. It is strongly recommended to replace:
1.) Injector seals or washers
2.) O-rings (if applicable)
3.) Fuel filter (to prevent contamination)
This helps ensure correct sealing and injector lifespan.