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.
Power Products · Air System
801266P
In stock · ships from Knoxville
The 801266P is an aftermarket AD-IS (Air Dryer Integrated System) air dryer for heavy-duty trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Kenworth
Peterbilt
Kenworth
Peterbilt
Designed as a direct replacement for Bendix AD-IS air dryers. Fits trucks that use the Bendix 801266, as confirmed by aftermarket distributors. Verify fitment by cross-referencing OEM part number.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 34.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It removes moisture, oil, and contaminants from the compressed air brake system, preventing freezing and corrosion. It directly replaces the Bendix 801266 air dryer, commonly used on Kenworth and Peterbilt trucks. Replace when the desiccant cartridge is saturated or the dryer fails to purge properly.
Part Number: 801266P
AD-IS/SP AIR DRYER
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside air system
