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Atlas Copco 2255292851 Aftermarket Compressed Air Filter Element, photo 1
Atlas Copco 2255292851 Aftermarket Compressed Air Filter Element, photo 2

Atlas Copco 2255292851 Aftermarket Compressed Air Filter Element

$108.50 USD
  • SKU: SPM-INF-3339
  • Availability: in stock Many in stock Out of stock In-stock at manufacturer. Please add 5-10 days to shipping time
  • Weight: 0.2 kg (0.44 lb)
Keep a spare: buy 2 and the second one is 5% off ($103.07)
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Atlas Copco 2255292851, direct aftermarket replacement. Walker Filtration E1251AC is a compressed air filter element. The same element is listed under 3 other numbers from Atlas Copco, HiFi Filter, Noitech, all in the cross reference table below.

The element sits in the compressed air line and takes out particles, water and oil aerosols down to its rated grade, which protects dryers, tools and processes downstream. Every element is checked against the part number before it ships, and every order is covered by our 30 day money back guarantee, worldwide delivery and price beat guarantee. Technical properties & cross references
Specifications
Part Type Compressed Air Filter Element
Replaces Walker Filtration E1251AC
Media Coalescing filter media
Stat. HS-Code 842139
Country of Manufacture China
Cross references
Brand Code
Atlas Copco 2255292851
HiFi Filter SI 91254
Noitech NM 000542
Spare Part Mart SPM-INF-3339
Walker Filtration E1251AC

Price beat guarantee

We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:

Seller Price Checked
Oxfil USD 135.62 18 Oct 2026
The Air Market USD 260.25 18 Oct 2026
FilterFinder Online USD 496.00 18 Oct 2026
Spare Part Mart USD 108.50 Today

Our price of USD 108.50 is 20% to 78% less than these sellers.

Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.

Use cases & applications

Scheduled service
Change the element at least once a year, or sooner if the differential pressure gauge on the housing shows it is loaded.

Breakdown spares
Keep one on the shelf so a loaded compressed air filter element does not stop the machine while parts are ordered.

Workshop and fleet stock
Workshops looking after several machines can stock this one element under any of its 4 part numbers.

Frequently asked questions

Is this a genuine Walker Filtration E1251AC?

No. It is an aftermarket compressed air filter element made to replace the Walker Filtration E1251AC. It is not made by or affiliated with Walker Filtration, and the part number is used only to show what it replaces.

Will it fit my machine?

It replaces the element numbered Walker Filtration E1251AC and the other numbers in the cross reference table. Check the number on the old element or in the machine's parts list.

When should I change the element?

Change the element at least once a year, or sooner if the differential pressure gauge on the housing shows it is loaded.

How do I fit it?

Isolate the filter housing and let the pressure out. Unscrew the bowl, pull the old element off its seat, fit the new element with its O rings lightly lubricated, refit the bowl and pressurise slowly. Check for leaks.

Do you ship to my country?

Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.

Images and data are used as a guide and are deemed reliable to Spare Part Mart. Product may appear differently (e.g. colour) but will be as per the specs above. All cross references are deemed reliable to our knowledge. We encourage you to double check before ordering.

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