Overview – VIRT.COL AF-1 ALT.F.N.GAS 4091900
The Cummins VIRT.COL AF-1 ALT.F.N.GAS 4091900 is specified for Cummins natural-gas engine air-intake positions as the alternative air-filter element and is supplied to the original dimensional and material standard.
Parts Characteristics
An alternative air-filter element (AF-1) for natural-gas engines – the intake element that keeps the gas engine breathing clean where the standard element is not specified, holding the filtration the booster depends on. It is the intake guard, so a correct, sealing element keeps the turbo and the valves out of the dust.
Applicable Models & Applications
Used on Cummins natural-gas engine intake positions specifying this alternative element (AF-1). Match the diameter, the length and the seal against your old element – alternative elements differ in how they seat and seal.
Maintenance & Replacement
Replace the element at the service interval, not only when it looks dirty. An element left in past its life loads the intake and the dust gets through.
Seat the element square in its housing before closing the cover. An element cocked in its can draws bypass air, and the bypass is what defeats the filtration.
Confirm the seal is sound on fit. An element with a cut or flattened gasket passes unfiltered air straight to the turbo.
Keep the correct alternative air-filter elements for your gas engine on the shelf. They are cheap insurance for the turbo, and an engine open on a filter is an engine waiting on a small part.
Price Reference (USD)
The VIRT.COL AF-1 ALT.F.N.GAS 4091900 generally falls in the USD 12-55 bracket, with expedited freight quoted separately.
Value & Service
We supply brand-new Cummins natural-gas engine alternative air-filter elements with the seal and size confirmed against your engine, so the intake air stays clean.
From quote to delivery, Racer Machinery treats the Cummins VIRT.COL AF-1 ALT.F.N.GAS 4091900 like a critical component, because on a job site it is.







