Product Description
Tired of Fighting Cheap Grease Caps? Here's the Fix.
Sick of pounding thin, stamped steel EZ Lube caps into your hub just to have them crush, leak, or fall out? Tired of late-night parts store runs for cheap dust caps that go out of round the second you install them?
We’ve got the upgrade you’ve been needing.
The KC21-41A Forged Aluminum Fast Lube Grease Cap is a premium replacement for your standard 1.98” diameter hub bore found on 5-lug trailer axles. It’s stronger, tighter fitting, and built to last — with EZ Lube access that lets you grease your spindle without ever removing the cap.
Key Features & Benefits:
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Forged Aluminum Construction – Won’t bend, crush, or go out of round
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Includes EZ Lube Plug – Grease your spindle without removing the cap
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Exact Fit for 1.98” Hub Bore – Direct OEM replacement
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Universal Fit for 5-Lug Hubs – 1K, 2K, 3.5K, 4.4K trailer axles
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Built to Fit Dexter, Carter, Lippert, AL-KO, and Most Other Axles
Fitment Details:
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Designed for: Standard EZ Lube spindles with 1.98" hub bores
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Fits:
1,000 lb, 2,000 lb, 3,500 lb, 4,400 lb trailer axles
5-lug trailer hubs
Utility trailers, boat trailers, car haulers, landscape trailers, and more -
Compatible With: Dexter, Carter, Lippert, AL-KO, and virtually any other trailer axle using 1.98” hub bore caps
Replaces:
KC21-41A, TPU21-41, 7700025, 21-41, 111406, 2023134661, RG04-040, DC200L-DCRP, 488271, 851T, DE69YR
Specs at a Glance:
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Outer Diameter: 1.98"
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Material: Forged Aluminum
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Lubrication Style: Fast Lube / EZ Lube
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Includes: Rubber Plug
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Installation: Tap-in fit with a mallet or grease cap tool
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Condition: New, ready to install
Why Upgrade to Forged Aluminum?
Forget the headaches. No more hammering dented steel caps into place. No more worrying if they’ll fall out on the highway. The KC21-41A grease cap is forged from solid aluminum, giving it the strength to stay round, stay seated, and keep your hub sealed.
Fast Lube Plug makes greasing your spindle fast and easy
No more grease cap failures on long hauls
No more replacing the same part over and over again
Make the smart move. Upgrade today and ditch cheap caps for good.
Stronger. Simpler. Built to Last.
