Air Filter Primary CA-7028A

Compare these dimensions with the filter you are removing: OD 221.2 mm · ID 135.8 mm · H 362.8 mm. You can also match the OEM number — this element is a direct replacement for Hitachi 4642122.

It directly replaces Hitachi 4642122 and is cross-referenced against 5 major filter brands, including Baldwin PA30243, Hitachi 4642122, Hifi SA18087.

It is used on Hitachi ZX190W-3 wheeled excavator, Hitachi ZX210W-3, Hitachi ZX170W-3, Hitachi ZX140W-3, John Deere 190DW, John Deere 220DW.

It is compatible with Isuzu 4HK1X, Isuzu AI-4JJ1X, Isuzu AI-4HK1X.

Filter media: Cellulose. Filtration efficiency: 99.95%. Tested to ISO 5011.

Filter type: Round Primary Air. 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.