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Stemco · Brakes & Wheel End
340-4009
In stock · ships from Knoxville
The Stemco 340-4009 is a replacement hub cap for heavy-duty truck and trailer axles.
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.
It is a cast aluminum cap with a 6-bolt mounting pattern, 5-1/2 inch bolt circle, and 6-1/4 inch flange outer diameter, designed to seal the wheel hub and retain hub oil or grease. Replacement is needed when the cap is damaged, leaking, or the sight window is cracked. This cap works with gasket 330-3009 and window kit 359-5995.
Part Number: 340-4009
HUB CAP 6 HOLE
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
