Your cart is empty
Browse our catalog to find the parts you need.
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
P181016
In stock · ships from Knoxville
This is a primary round air filter element for heavy-duty diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 3 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Caterpillar
Western Star
Caterpillar
Western Star
Fits air cleaner housings that accept a round primary filter with OD 10.41", ID 6.04", and overall length 26.50". Commonly used on various Freightliner, Ford, Mack, Volvo, White, and other heavy-duty trucks and equipment. Verify dimensions before ordering.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It traps dust, dirt, and debris from incoming air before it reaches the engine, protecting internal components from premature wear. Replace it when the filter restriction indicator shows high vacuum or at recommended service intervals to maintain engine performance and fuel efficiency. Donaldson's high-efficiency cellulose media and Pleatloc technology ensure uniform airflow and long service life.
Part Number: P181016
AIR FILTER, PRIMARY ROUND
Category: Donaldson- F
Vendor: Donaldson
Dealer: Knox Trailers
Compatibility, alternatives, and more
