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.

Automann · Suspension & Steering
M17984
In stock · ships from Knoxville
The Automann M17984 Restrictor Can HD is a heavy-duty steel canister used in Chalmers 600 and 800 series walking beam suspensions.
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.
Other applications
Other applications
Requires use with rubber spring MLC11 or a compatible rubber cushion. Always verify series and dimensions against the existing can before ordering.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It houses and limits the compression of a rubber cushion spring (MLC11), controlling suspension travel and providing a progressive spring rate for better ride quality and load handling. This part is typically replaced when the original can is damaged, bent, severely corroded, or during a suspension rebuild to restore proper ride height and performance.
Part Number: M17984
RESTRICTOR CAN HD CHALMERS
Vendor: Automann
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside suspension & steering