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Post Onsite · Hardware & Fasteners
A40043B
In stock · ships from Knoxville
This is an aluminum sump collar, likely designed for a 4-inch tank or piping application.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
A sump collar is a ring or adapter flange that mounts to the top of a tank sump, providing a flat sealing surface and threaded studs or bolt holes for attaching a lid, pump, or filtration component. In heavy-duty truck and trailer contexts, aluminum sump collars are used on air tanks, fuel tanks, or hydraulic reservoirs to create a clean, leak-resistant drain or access point. It would typically be replaced if the original flange is cracked, corroded, or has damaged threads that no longer allow a secure seal.
Part Number: A40043B
4 AL SUMP COLLAR
Unit: ea
Dealer: Post Onsite
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