Air Filter Primary CA-7051A

Compare these dimensions with the filter you are removing: OD 236 mm · H 411 mm · L 610 mm. You can also match the OEM number — this element is a direct replacement for 479-8987.

It is used on Caterpillar 320, Caterpillar 323, Caterpillar 325, Caterpillar 330, Caterpillar 335, Caterpillar D4, Caterpillar D5, Caterpillar 120, Caterpillar M314, Caterpillar M316, ….

It is compatible with CAT C4.4, CAT C7.1.

Filter type: air cleaner (honeycomb, primary + secondary). 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.