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Stemco · Brakes & Wheel End
343-4307
In stock · ships from Knoxville
This is a Stemco TireMAXX oil-lubricated hub cap designed for heavy‑duty truck and trailer axles equipped with automatic tire inflation systems.
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 has a side fill plug and a standard sight window with oil level lines so you can quickly check lubricant condition and level. Replacing a cracked, leaking, or cloudy hub cap is critical to protect wheel‑end bearings and prevent costly roadside failures. The TireMAXX system allows air to pass through the axle to the tires, helping keep pressures optimal for longer tire life and better fuel economy.
Part Number: 343-4307
HUB CAP HEND
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end