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| Filtration Media | Inorganic Microfibers 25 µm |
| Media type | Inorganic Microfibers |
| Filtration Rating | 25 µm |
| Total Height | 333 mm (13 1/8") |
| Smallest Inner Diameter | 40.5 mm (1 19/32") |
| Outer Diameter | 78 mm (3 1/16") |
| Stat. HS-Code | 84149000 |
| Country of Manufacture | China |
| Brand | Code |
|---|---|
| Airfil | AFKOVL23925 |
| Argo | V3083308 |
| Behr | 4451841131 |
| Digoema | DGMH369 |
| Fai Filtri | 025-4-1605 |
| Oxfil | OF.8375 |
| Spare Part Mart | SPM-OIL-1218 |
| Woodgate | WGH9439 |
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-OIL-1218.
Continuous-Duty Industrial Engines
In applications where engines run for extended periods, such as generators or pumps, the 25 µm filtration media captures fine particles that cause wear, extending engine life and reducing unplanned downtime.
Dusty Construction Environments
For equipment operating in dusty conditions like construction sites, the high-capacity inorganic microfiber media traps more contaminants between changes, allowing longer service intervals and protecting critical components.
Fleet Maintenance Consolidation
Fleet operators servicing multiple brands (Airfil, Argo, Behr, etc.) can standardize on one filter part number, simplifying inventory management and reducing the risk of using the wrong filter for each machine.
Hydraulic Oil Filtration
In hydraulic systems where oil cleanliness is critical, this filter's 25 µm rating ensures adequate protection for pumps and valves, helping maintain system efficiency and prevent costly failures.
Check your current filter's dimensions: total height 333 mm, outer diameter 78 mm, and smallest inner diameter 40.5 mm. If these match, and your filter brand is Airfil, Argo, Behr, Digoema, Fai Filtri, Oxfil, or Woodgate, this filter is a direct replacement.
This filter uses inorganic microfibers with a filtration rating of 25 µm. The media is designed to capture fine particles while allowing adequate oil flow for industrial engines and hydraulic systems.
The total height is 333 mm, outer diameter 78 mm, and smallest inner diameter 40.5 mm. The thread size is not specified; please verify thread pitch and diameter from your existing filter or manual.
This is an aftermarket filter built to match OEM specifications. It is a direct replacement for filters from Airfil, Argo, Behr, Digoema, Fai Filtri, Oxfil, and Woodgate, offering equivalent performance at a lower cost.
Installation is the same as your original filter. Lubricate the gasket, spin on until the gasket contacts the mounting surface, then tighten an additional 3/4 to 1 turn. Do not overtighten.
We offer worldwide shipping with tracking. Your purchase is covered by a 30-day money-back guarantee and our price-beat guarantee. Contact us for shipping time estimates to your location.
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.

