Product Description
The KC21-42A Forged Aluminum Grease Cap is a heavy-duty replacement for traditional steel grease caps used on 6-lug 5,200 lb and 6,000 lb axles. Designed for hubs with a 2.44” bore, this EZ Lube style cap comes with a rubber plug for easy spindle access. Made from forged aluminum, it won’t deform, crack, or leak like thin steel caps — perfect for those tired of cheap replacements that just don’t last.
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Outer Diameter: 2.44"
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Fits: Dexter, Carter, Lippert, AL-KO and any other brand trailer hubs for 5.2K–6K axles
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Style: EZ Lube / Fast Lube
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Plug: Rubber plug included for spindle greasing
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Material: Forged aluminum (stronger than stamped steel caps)
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Application: Utility trailers, enclosed trailers, equipment haulers, car haulers
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Condition: New, boxed or bulk packaged
Interchangeable Part Numbers:
KC21-42A, TPU21-42, 21-42, 111417, 2023134662, RG04-080, DC250L-DCRP, DE79YR
Tired of fighting cheap, thin grease caps that go out of round or pop out of the hub? The KC21-42A Forged Aluminum Grease Cap is your fix. Designed for EZ Lube spindles with 2.44” hub bores, this premium cap features a tight-fitting plug and forged aluminum strength that resists damage, keeps grease sealed in, and dirt out.
Universal fit for Dexter, Carter, Lippert, and AL-KO hubs
Fits 6-lug hubs on 5,200 lb and 6,000 lb axles
Works with EZ Lube spindles for easy bearing maintenance
No more cap failures or late-night runs to the parts store
watch the video for more details!
