These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Donaldson · Filtration
P181008
In stock · ships from Knoxville
This is a heavy-duty primary round air filter element from Donaldson's Long-Life series.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 15 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Freightliner
GMC
Kenworth
Peterbilt
Other applications
Freightliner
GMC
Kenworth
Peterbilt
Other applications
Fitment data sourced from PIF Parts distributor listing. Always verify with your vehicle's VIN or application guide, as some applications may require specific housing configurations.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It uses cellulose media to trap 99.9% of airborne contaminants per ISO 5011, protecting your engine from dust and debris. Designed for older vocational and line-haul trucks, it should be replaced when your air restriction gauge indicates a clogged filter or at the interval specified in your vehicle's maintenance schedule.
Part Number: P181008
AIR FILTER, PRIMARY ROUND
Category: Donaldson- F
Dealer: Post Onsite
Compatibility, alternatives, and more