8N-2556 Air Filter Element Heavy Duty Engine Air Filter CAT Machinery
8N-2556 engine air filter for CAT heavy construction machinery. Double-layer composite filter paper traps dust, sand and debris. Perforated metal outer mesh protects filter media. Flanged steel end cap with full sealing rubber ring prevents air leakage. High air flow, long service cycle, stable filtration efficiency. Direct OEM replacement part, consistent mounting hole layout. Strict factory air flow testing, standard kraft box single packaging. Ideal maintenance filter for large excavators, mining trucks and dozers.

| Item | Specification | Details/Remarks |
|---|---|---|
| Product Model | 8N-2556, 8N2556 | Replacement for Secondary Air Filter |
| Product Type | Secondary Engine Air Filter, Inner Air Element | Safety filter, protects engine from dust and impurities |
| Applicable Brand | Compatible with original equipment, direct replacement | |
| Applicable Models | E3508, E3508B, E3508C, E3512, E3512B, E3512C, E3516, C18, C27, C32, SR4, R1300G | Generator sets, excavators, loaders, heavy-duty engines |
| Cross Reference Models | P523048 , AF4874 (Fleetguard), PA2848 (Baldwin), LAF3048, A5533 | 1:1 replacement, same performance as original |
| Total Height | 261 mm (10.28 inch) | Overall length of the filter |
| Outer Diameter (Large End) | 397 mm (15.63 inch) | Flange/sealing end outer diameter |
| Outer Diameter (Main Body) | 324.6 mm (12.78 inch) | Filter cylinder outer diameter |
| Inner Diameter | 257.6 mm (10.14 inch) | Filter center through hole diameter |
| Filter Material | Glass Fiber / Composite Filter Paper | High efficiency filtration, wear-resistant, long service life |
| Filtration Efficiency | ≥99% | Effectively filters dust, sand and other impurities |
| Packing Size (Single) | 398 × 398 × 265 mm | Length × Width × Height, suitable for logistics and transportation |
| Net Weight | About 1.8 kg | Actual weight may vary slightly |
| Gross Weight | About 2.0 kg | Including packing material |
| Matching Outer Filter | 8N-6309 / PA2653 | Recommended matching main filter model |
| Part Number | Applicable Equipment Models |
|---|---|
| 8N-2556 | CAT 3508,3512,773,775,D9N,D10N,992 |
| 6I-2501 | CAT 3406,3408,16G,14H |
| 7W-5314 | CAT 330,345,980,735 |
| 1P-8483 | CAT D7R,D8L,966G |
| 4P-0710 | CAT 769,770,365 |
- ISO 9001 certified.
- 100% pressure, flow, and leakage tested before shipment to ensure quality.
- Comply with construction machinery hydraulic component industry standards.
- 10+ years of professional experience in manufacturing excavator hydraulic parts, mature technology, stable quality.
- Sufficient inventory, ready stock for popular models, fast delivery.
- Support OEM/ODM customization, develop special models per customer requirements.
- Complete after-sales team, provide technical consultation, installation guidance, troubleshooting.
- Free replacement or repair for non-human quality issues within warranty period.
- Provide technical support for installation, commissioning, and operation.
- Lifetime supply of wearing parts and maintenance services at cost price.


ISSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!
Q1:How long is the warranted time?
A:For natural broken, 3 months. Guarantee genuine parts.
Q2: What's payment you can accept?
A:T/T, WECHAT,PAYPAL.
Q3: What's package? Can you give me the package according my requirement?
A:Yes, Original packing or Neutral packing with wooden box or carton.
Q4: How about the lead time?
A: (1) ln stock: 1-7 days.Always in 72 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory.We will let you know when we quote.
Q5: What's the shipping way you can offer?
A: (1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order: DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q6: What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q7: Do you accept small order?
A:Yes, small order can accept.
Q8: What's brand you can offer in your company?
A: (1)OEM,100% GENUINE PARTS, COPY(Made in China).
(2)GENUINE PARTS.
Thank you for attention!
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