Air Filter C 29 939 for Komatsu PC, Liebherr R 900 — 282 mm OD
Primary engine air filter element KA70511, 282 mm outer diameter, 171 mm inner diameter with a 17 mm centre bore, 416 mm overall height. Interchanges with MANN C 29 939, Hengst E129L, Fleetguard AF424M and Donaldson P181046. Fits Komatsu PC and WA machines, Liebherr R 900, SANY SY excavators, Hitachi EX and Doosan compressors.
📋 Key Specs
| Part Number | KA70511 |
| Filter Type | Engine air filter element, primary outer |
| Outer Diameter | 282 mm |
| Inner Diameter | 171 mm |
| Inner Diameter 1 | 17 mm centre bore |
| Overall Height | 416 mm |
| Media | Cellulose, embossed pleat pack |
| Packaging | 1 piece |
❓ FAQ
Yes. KA70511 matches C 29 939 on all dimensions: 282 mm outer diameter, 171 mm inner diameter with a 17 mm centre bore and 416 mm overall height.
MANN-FILTER lists C 29 939 at 282 mm outer diameter and 416 mm height, and two independent catalogues agree. The 281 / 420 figures come from converting inch dimensions and are 1 mm and 4 mm out. Measure the old element if the housing clearance is tight.
Primary outer element. The safety element that sits inside it is C 17 149, which is a separate part and is only needed for dusty or construction site duty.
No. C 29 939 is 282 mm by 416 mm and carries a 17 mm centre bore; C 32 1752/1 is 313 mm by 557 mm with no centre bore. They serve different air cleaners and are not interchangeable.
Komatsu PC, WA, HD and HM machines, Liebherr R 900 and A 900 excavators, SANY SY excavators, Hitachi EX and CX, Doosan DR and DRF compressors, plus MAN F7, F8 and F9 trucks using 81.083.040.051.
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: 7–15 days; bulk orders 20–35 days; custom 30–45 days incl. sampling. 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 (15–25 days) → 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.
ISO 9001 & IATF 16949; CE/UL/ATEX on key products. Every batch ships with inspection reports; third-party inspection (SGS/BV) supported.
Description
Product Overview
KA70511 is the primary engine air filter element for Komatsu, Liebherr, SANY and Hitachi earthmoving machines and for Doosan air compressors. The element is 282 mm outside diameter, 171 mm inside diameter with a 17 mm centre bore, and 416 mm overall height, and it seats on the housing shoulder where the cover clamps the top end face. It is the outer primary element; the matching safety element is C 17 149 and is ordered separately.
