Customer Service

Contact Us

Send OE/reference numbers, engine model, machine model, quantity, destination country, and product photos when fitment or shipping needs confirmation before payment.

Contact DIESEL IZUMI

Contact Us

DIESEL IZUMI supplies cylinder head gaskets and replacement engine sealing parts for diesel engines and machinery applications. Send us your engine model, OE number, or product photos, and our team will help you confirm compatibility before ordering.

DIESEL IZUMI Service Office

Parts support: Send OE number, engine model, machine model, destination country, and product photos if available.

WhatsApp / WeChat / LINE: +86 159 7537 9467

Email: dieselizumi@gmail.com

Get In Touch With Us

Please leave your engine model, OE number, part photos, or message. We will reply as soon as possible. WhatsApp / WeChat / LINE: +86 159 7537 9467.

Helpful Answers To Your Questions

Find clear answers to common questions about orders, shipping, returns, payments, and our services, helping you enjoy a smooth and confident shopping experience.

How long does shipping usually take?

Processing Time: Orders are typically shipped within 3-7 business days after receiving cleared payment. Some products may require up to 30 days for delivery.
Delivery Time: Expedited Shipping (FedEx/DHL/USPS/UPS): 2-6 workdays to the USA, 3-8 workdays to other countries. Please note that international delivery times may vary depending on the courier company and local customs/duties.
Shipping Address: Please ensure that you provide us with the correct, precise, and detailed shipping address. It is important to include your correct phone number so that the carrier can smoothly contact you for delivery purposes.

How are shipping costs calculated?

Freight (Shipping Charges): The shipping cost is calculated based on the weight and destination country. Different products and addresses will have different shipping costs. You can check the shipping cost on the cart page before completing your purchase.

Can I return or exchange my order?

Yes! If you are not satisfied, you can return or exchange items within 90 days of delivery. Ensure the parts are uninstalled and in original packaging. Note that return shipping costs may apply depending on the reason for return.
Returns Checklist

We only accept returns for items that are:

Brand New: Unused and never installed on any engine.

Original Pack: In the original, clean box with all brand labels.

Complete: Including all small components or O-rings provided.

Verified: Accompanied by an official proof of purchase.
Note: Parts showing signs of installation or grease are not eligible for return.

How long does it take to receive my refund?

Once we receive and inspect your return, we will notify you of the approval status. Approved refunds are processed automatically to your original payment method within 10 business days.

Please note that banks or credit card companies may require additional time to post the transaction. If you haven’t received your refund after 15 business days of approval, please contact us at：dieselizumi@gmail.com

How do you determine the shipping fee?

Fees are determined by the package weight and delivery address. For heavy engine parts, we recommend contacting our team for a customized shipping quote to ensure the best possible rate.

Are import duties and taxes included in the product price?

No. Import duties, taxes, and custom charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility according to local customs regulations. Additionally, extra shipping fees may apply if the provided address is incomplete or located in a remote area.