Products › Fuel Filter
Fuel Filter
The fuel filter removes impurities from fuel to keep it clean and the engine running reliably. Modern common-rail diesels run at extreme injection pressures, so filtration tolerance has dropped to a few microns. This category splits into three practical products: spin-on fuel filters, inline filters for gasoline systems, and water-separator filters for diesel fleets and machinery.
Selection Guide
Mind the micron rating
Diesel common-rail systems need fine filtration (10µm or tighter); gasoline inline filters are less demanding. Match the rating to the injection system.
Water separation for diesel
Diesel markets with humid climates or poor fuel quality benefit from water-separator filters to protect injectors from corrosion.
Confirm fitting type
Fuel filters vary by thread (M16x1.5 etc.) and quick-connect fittings — a wrong fitting is a fitment failure, not a quality issue.
Consider the fuel quality of the market
High-sulfur or contaminated regional fuels justify coarser-but-larger-capacity media or a pre-filter stage.
SKU Table
Canonical values (defined once in src/data/products.json). HS code: 8421230000.
| Model | Series | Dimensions | Filtration Efficiency | Media | Applicable Vehicles | Carton Qty | MOQ | Details |
|---|---|---|---|---|---|---|---|---|
| hy-ff-spinon | Spin-On | H140mm × OD85mm × M16x1.5 | >=95% @ 10um | cellulose | diesel passenger cars, light commercial vehicles | 20 | 500 | View → |
| hy-ff-inline | Inline | 90mm × OD30mm | >=95% @ 10um | cellulose | gasoline passenger cars | 50 | 1000 | View → |
| hy-ff-water | Water-Separator | H165mm × OD90mm × M16x1.5 | >=97% @ 10um | composite | diesel trucks, construction machinery, agricultural machinery | 12 | 500 | View → |
Procurement Concerns
What a buyer should verify before committing an order in this category.
Filtration-efficiency inflation
Fuel-filter ratings must cite micron level and beta ratio. Modern common-rail diesel needs 2–5 µm filtration; a filter marketed at "10 µm" may be inadequate for the injection system it is claimed to fit. Match the micron rating to the injection technology, not the lowest price.
Fitment & compatibility
Fuel filters vary by thread, quick-connect fitting and diesel/gasoline type. A wrong fitting is a fitment failure, not a quality issue. Confirm thread and connection style, and whether the vehicle is diesel or gasoline, before quoting.
Service life & water separation
In markets with poor or humid diesel, a water-separator filter with a drain is cheap insurance against injector corrosion. Position it on reliability and service interval — a separator that is drained on schedule protects a very expensive injection system.
Storage humidity
Water-separator bowls and O-rings age in dry heat, and quick-connect seals harden. Keep filters sealed and cool; degraded seals leak on first install and look like a manufacturing defect.
Export packaging
Aluminum and steel bodies dent easily. Individual sleeves and full-carton dividers protect the body and the drain valve; a dented water-separator is a visible complaint even when functional.
The highest-margin diesel filter is not the cheapest one — it is the water separator. In markets where diesel quality is inconsistent (much of Africa, Latin America and parts of Asia), injector failure is an expensive, recurring problem for fleet owners. Framing a water-separator filter as cheap insurance against injector replacement is a far more compelling sales story than quoting a unit price, and it anchors the customer on reliability instead of cost.
Procurement Q&A
What is a water-separator fuel filter?
It combines filtration with a water-separation layer that sheds water from diesel before it reaches the injection system, protecting injectors from corrosion and wear.
What is your MOQ for fuel filters?
Spin-on and inline fuel filters start at 500–1,000 units per model; water-separator filters at 500 units.
Do you support diesel and gasoline lines?
Yes, we carry spin-on diesel, water-separator, and inline gasoline filters under one brand, simplifying a distributor’s consolidated order.
What micron rating do common-rail diesel filters need?
Modern common-rail diesel typically needs 2–5 µm filtration to protect the high-pressure injection system. We match the micron rating and beta ratio to the injection technology — a 10 µm filter is not a substitute for a common-rail application.
Do your water-separator filters include a drain?
Our water-separator filters are designed with a drain provision so water can be removed on a service schedule. This is what protects diesel injectors from corrosion in poor-fuel markets.
How do I choose between spin-on and inline fuel filters?
Spin-on is a complete replaceable canister for diesel and light commercial vehicles; inline filters suit gasoline systems and fit in-line in the fuel hose. We confirm the fitting type and diesel/gasoline application before recommending a SKU.
Get a quote
Request a Fuel Filter quote
Send your OE number, target vehicle, or market — we match the right SKU and provide a full spec sheet.