Fuel Water Separator CC-5257X

Compare these dimensions with the filter you are removing: OD 76 mm · H 97 mm · L 112 mm. You can also match the OEM number — this element is a direct replacement for 3286503.

It directly replaces 3286503 and is cross-referenced against 12 major filter brands, including Hifi SN70538, MANN PL50, SF Filter SK48657.

It is used on Case 621D, Case 721C, Case 721CXR, Case 580M, Case 580SN, Case 588G, Case Magnum 180, Case Magnum 200, Case Maxxum MX100, Case Maxxum MX110, ….

It is compatible with Cummins, Cummins 6T-590, Cummins CDC 6T830.

Filter media: Cellulose. Filtration efficiency: 99% @ Beta100 5um. Tested to ISO.

Filter type: spin-on water separator. Manufactured as a direct replacement for OEM and aftermarket applications.

Follow the service interval in your equipment manufacturer's manual. Under heavy-duty, high-dust or high-humidity conditions, replace earlier. Always compare the part number on the filter you remove before refitting.

MOQ varies by product: 5–100 units for standard parts (see product page). Tier pricing decreases with volume. Custom parts usually ≥ 50 units, evaluated by process.

Stock/short-run: 8–50 days; bulk orders 35–60 days, depending on the actual order quantity and the agreed shipping method; custom 45 days or more incl. sampling, confirmed with the quotation. Note your deadline in the inquiry — sales will confirm capacity.

Add products to the inquiry list and submit with contact info. Sales contact you within 24h and issue a formal quotation (tier pricing + proforma invoice) within 48h. The AI assistant can pre-fill inquiries in chat.

Yes. We develop from drawings/samples and support private labeling. Process: evaluation → sampling (15–40 days if a separate sample round is required) → approval → mass production.

Payment: T/T 30% deposit + 70% before shipment / L/C / Trade Assurance. Shipping: FOB Ningbo/Shanghai, CIF or DDP; EU & NA warehouses; sea/air/express. Where customs clearance and declaration are involved, freight is charged at actual cost and settled against the freight forwarder's invoice; for small consignments you may specify the shipping method, but not the carrier.

ISO 9001 & IATF 16949; CE/UL/ATEX on key products. Every batch ships with inspection reports; third-party inspection (SGS/BV) supported.