2940905050 HP3/4 Plunger Return Oil Screw 294090-5050 for HP3 HP4 Diesel Fuel Injection Pumps 294000-0039 294000-0770 294000-1380 294000-1130 294000-1780.

Payment methods:

We accept a variety of payment methods. Please contact our customer service to confirm.

Shipping：

Most products are uniformly packaged in neutral cardboard boxes. For specific inquiries, you can customize labels within authorized limits by consulting customer service personnel.

We provide diversified shipping solutions to help you pick the fastest and most cost-effective option. 

After-sales processing：

Non-original items carry Up to half a year to one year after-sales service.

Free exchange or refund processing.

Please provide this type of information to customer service when after-sales service occurs.

1. Pictures or videos of the product’s engravings/labels to verify if it is our product (Mandatory)

2. A detailed description of the process from product installation to problem detection (Mandatory)

3. Pictures or videos of the specific manifestations of the abnormality for analysis. Examples include: engine jitter/smoke emission (video), product oil leakage (video/photos), etc. (Mandatory)

4. Whether there are any fault codes (Supplementary Item)

5. Whether on-machine testing has been conducted, and if there are any test reports or videos (Supplementary Item)