KOMAI 3931062 3286503 3843760 6732-71-6310 Diesel Fuel Filter for 4BT3.9

4BT3.9 Diesel Fuel Filter 3931062 Replacement

KOMAI operates manufacturing facilities in China, supported by dedicated teams covering production, warehousing, sales, and technical services to serve customers across global markets.

With established production systems and coordinated operations, we maintain efficient manufacturing processes, consistent product availability, and streamlined order fulfillment for distributors, OEM partners, and industrial customers worldwide.

Q: What products do you manufacture?
A: We manufacture Air Filters, Oil Filters, Fuel Filters, and Hydraulic Oil Filters for construction machinery, heavy-duty trucks, industrial equipment, generators, compressors, and dust collection systems.

Q: Why choose KOMAI?
A: As a professional filter manufacturer, we provide stable quality, competitive factory pricing, OEM/ODM services, and reliable technical support backed by years of industry experience.

Q: Can you provide OEM packaging?
A: Yes. We offer both KOMAI standard packaging and customized packaging with your own brand and logo upon authorization.

Q: What are your payment terms?
A: Our standard terms are 30% T/T deposit before production and 70% balance before shipment. Product and packaging photos will be provided before final payment.

Q: Which trade terms do you support?
A: We support EXW, FOB, CFR, CIF, and DDU. Other shipping arrangements can also be discussed according to your requirements.

Q: How long is your production lead time?
A: Standard production takes 7–20 days after receiving your deposit. Delivery time may vary depending on order quantity and customization requirements.

Q: Can you manufacture according to samples or drawings?
A: Yes. We can produce according to your samples, technical drawings, or OEM specifications, including mold and tooling development.

Q: Are samples available?
A: Yes. Samples are available for most products in stock. Customers are responsible for the sample and shipping costs.