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.

Allegheny Valve & Coupling · Hardware & Fasteners
40591B
In stock · ships from Knoxville
This is a 4-inch aluminum belled bend (elbow) with a 60-degree angle and short radius.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Standard 4-inch aluminum belled short-radius bend; fits any 4-inch aluminum piping with belled weld connections. Not specific to a particular vehicle make or model.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is commonly used in tanker trailer piping systems to change the direction of liquid or dry bulk material flow. The belled ends are designed for welding to other aluminum piping components. Replace the bend if it is cracked, corroded, or otherwise damaged.
Part Number: 40591B
4 60* ALUM ELBOW
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more