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 · Hardware & Fasteners
561.230356
In stock · ships from Knoxville
This is a heavy-duty, spring-loaded T-bolt hose clamp used primarily in commercial truck exhaust, intake, and charge-air cooler systems.
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
Fits any heavy-duty hose connection within the clamping range; referenced as a direct replacement for certain Volvo and Mack exhaust components via OEM numbers 3557857C1 and FLX25880356.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 10 of 10.
Different year, make, or config? Get a confirmation against your truck in under a minute.
The 0.75-inch wide stainless steel band and spring-loaded T-bolt design maintain consistent clamping force even under extreme vibration and heat cycling, preventing leaks at pipe joints. These clamps are replaced when the band becomes corroded, bent, or loses tension, typically during exhaust system repairs or turbocharger/intercooler plumbing service.
Part Number: 561.230356
HD T-Bolt Clamp 3.56in to 3.88in
Dealer: Knox Trailers
Compatibility, alternatives, and more