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| Body Height | 111 mm (4 3/8") |
| Height-1 | 10 mm (13/32") |
| Total Height | 121 mm (4 3/4") |
| Product Net Weight | 0.11 kg (0.24 lbs) |
| Smallest Inner Diameter | 24 mm (15/16") |
| Outer Diameter | 50 mm (1 31/32") |
| Largest Outer Diameter | 55 mm (2 5/32") |
| Stat. HS-Code | 84149000 |
| Country of Manufacture | China |
| Walker Filtration | E511XA |
| Brand | Code |
|---|---|
| Atlas Copco | 2255292830 |
| HiFi Filter SI | 90513 |
| Noitech NM | 000499 |
| Oxfil | IF.3129 |
| Spare Part Mart | SPM-INF-1284 |
| Walker Filtration | E511XA |
Found this part cheaper somewhere else? Send us the listing and we'll beat any genuine competitor's price under our Price Beat Guarantee. We continually benchmark the market so you don't have to, so you can buy with confidence knowing you're getting the best available price on Spare Part Mart SPM-INF-1284.
Dusty Industrial Environments
In manufacturing facilities with high airborne particulate levels, this filter captures contaminants before they reach downstream components, protecting sensitive equipment and reducing unplanned downtime.
Continuous-Duty Compressor Operations
For compressors running 24/7, this in-line filter maintains consistent filtration performance without frequent replacement, supporting reliable operation and extending service intervals.
Inventory Consolidation for Multi-Brand Fleets
Works as a common replacement for Walker Filtration and Atlas Copco systems, allowing maintenance teams to stock one filter type across different equipment brands, simplifying inventory management.
Remote or Harsh Location Servicing
Its compact and lightweight design makes it easy to transport and install in confined or remote locations, ensuring filtration is maintained even in challenging access areas.
Check your current filter part number against our cross-reference list: it replaces Walker Filtration E511XA and is compatible with Atlas Copco systems. If your part is not listed, contact our support team with your filter dimensions and equipment brand.
The specific micron rating is not provided in our verified specifications. For filtration efficiency details, please consult your equipment manual or contact us with your application requirements.
The filter has a body height of 111 mm, total height 121 mm, outer diameter 50 mm, largest outer diameter 55 mm, and smallest inner diameter 24 mm. Thread details are not specified; verify thread type by comparing with your existing filter.
This is an aftermarket replacement built to match OEM specifications. It is not a genuine OEM part but offers a reliable and cost-effective alternative for Walker Filtration E511XA and Atlas Copco applications.
Installation is straightforward: remove the old filter, clean the mounting surface, and screw on the new filter hand-tight. Do not use tools that may overtighten. Refer to your equipment manual for specific instructions.
We offer worldwide shipping with tracking. Your purchase is backed by a 30-day money-back guarantee and a price-beat guarantee. For exact shipping times, please check at checkout.
Orders typically require 1–3 business days for processing. During this time, we confirm product availability and prepare the shipment for consolidation.
We offer two shipping tiers designed to meet your operational needs. The exact costs for all shipping options will be displayed at checkout.
Express Shipping (UPS, DHL, etc.)
Ideal for urgent needs. Estimated delivery time is typically 3–5 business days after processing.
Economy Shipping
Our standard, cost-effective option. Estimated delivery time is typically 5–10 business days after processing.
Shipping costs are calculated at checkout based on your location and selected shipping method.
Once your order ships, you'll receive a tracking number via email so you can monitor your delivery.
For detailed delivery information and FAQs, please visit our Delivery Information page or contact us.

