Grease Hub Seals for Truck Axles

Hub Cap

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Automann Axle Hub Cap 180.10624

$20.70 $23.00

Automann Axle Hub Cap 180.10624 is a real heavy-duty hub cap product for truck or... ..

Automann hub cap 180.10637 heavy duty truck hub cap

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Automann Steer Axle Wheel Hub Cap 180.10637

$36.90 $41.00

Automann Steer Axle Wheel Hub Cap 180.10637 is a real heavy-duty hub cap product for... ..

Automann hub cap 562.B1401C-BP heavy duty truck hub cap

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Automann Wheel Hub Cap 562.B1401C-BP

$45.00 $50.00

Automann Wheel Hub Cap 562.B1401C-BP is a real heavy-duty hub cap product for truck or... ..

Automann hub cap 562.B1402C heavy duty truck hub cap

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Automann Wheel Hub Cap 562.B1402C

$32.85 $36.50

Automann Wheel Hub Cap 562.B1402C is a real heavy-duty hub cap product for truck or... ..

Automann hub cap 562.B1501SS heavy duty truck hub cap

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Automann Wheel Hub Cap 562.B1501SS

$16.65 $18.50

Automann Wheel Hub Cap 562.B1501SS is a real heavy-duty hub cap product for truck or... ..

Automann hub cap 562.C1002C heavy duty truck hub cap

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Automann Wheel Hub Cap 562.C1002C

$12.60 $14.00

Automann Wheel Hub Cap 562.C1002C is a real heavy-duty hub cap product for truck or... ..

Automann hub cap 562.C1002C-10BK heavy duty truck hub cap

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Automann Wheel Hub Cap 562.C1002C-10BK

$40.95 $45.50

Automann Wheel Hub Cap 562.C1002C-10BK is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 300-4024 heavy duty truck hub cap

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STEMCO Axle Hub Cap 300-4024

$58.95 $65.50

STEMCO Axle Hub Cap 300-4024 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 343-4370 heavy duty truck hub cap

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STEMCO Axle Hub Cap 343-4370

$34.20 $38.00

STEMCO Axle Hub Cap 343-4370 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 343-4372 heavy duty truck hub cap

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STEMCO Axle Hub Cap 343-4372

$63.90 $71.00

STEMCO Axle Hub Cap 343-4372 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 352-4003 heavy duty truck hub cap

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STEMCO Axle Hub Cap 352-4003

$68.85 $76.50

STEMCO Axle Hub Cap 352-4003 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 360-4024 heavy duty truck hub cap

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STEMCO Defender Hub Cap 360-4024

$44.10 $49.00

STEMCO Defender Hub Cap 360-4024 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 366-4024 heavy duty truck hub cap

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STEMCO Defender Hub Cap 366-4024

$58.95 $65.50

STEMCO Defender Hub Cap 366-4024 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 350-4075 heavy duty truck hub cap

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STEMCO Drive Axle Wheel Hub Cap 350-4075

$49.05 $54.50

STEMCO Drive Axle Wheel Hub Cap 350-4075 is a real heavy-duty hub cap product for... ..

STEMCO hub cap 343-5110 heavy duty truck hub cap

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STEMCO GMC Front Hub Cap Assembly 343-5110

$34.20 $38.00

STEMCO GMC Front Hub Cap Assembly 343-5110 is a real heavy-duty hub cap product for... ..

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STEMCO Hub Cap 340-4019

$54.00 $60.00

STEMCO Hub Cap 340-4019 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 340-4024

$34.20 $38.00

STEMCO Hub Cap 340-4024 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 340-4034

$39.15 $43.50

STEMCO Hub Cap 340-4034 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 340-4042

$58.95 $65.50

STEMCO Hub Cap 340-4042 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 340-4186

$63.90 $71.00

STEMCO Hub Cap 340-4186 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 340-4195

$68.85 $76.50

STEMCO Hub Cap 340-4195 is a real heavy-duty hub cap product for truck or trailer... ..

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STEMCO Hub Cap 343-4150

$63.90 $71.00

STEMCO Hub Cap 343-4150 is a real heavy-duty hub cap product for truck or trailer... ..

STEMCO hub cap 343-5111 heavy duty truck hub cap

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STEMCO Hub Cap Assembly 343-5111

$68.85 $76.50

STEMCO Hub Cap Assembly 343-5111 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 340-4065 heavy duty truck hub cap

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STEMCO Traditional Aluminum Wheel Hub Cap 340-4065

$44.10 $49.00

STEMCO Traditional Aluminum Wheel Hub Cap 340-4065 is a real heavy-duty hub cap product for... ..

STEMCO hub cap 340-4046 heavy duty truck hub cap

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STEMCO Wheel Hub Cap 340-4046

$49.05 $54.50

STEMCO Wheel Hub Cap 340-4046 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 340-4157 heavy duty truck hub cap

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STEMCO Wheel Hub Cap 340-4157

$54.00 $60.00

STEMCO Wheel Hub Cap 340-4157 is a real heavy-duty hub cap product for truck or... ..

STEMCO hub cap 343-4346 heavy duty truck hub cap

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STEMCO Wheel Hub Cap 343-4346

$39.15 $43.50

STEMCO Wheel Hub Cap 343-4346 is a real heavy-duty hub cap product for truck or... ..

Torque Parts hub cap TR3404075 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3404075

$32.40 $36.00

Torque Parts Wheel Hub Cap TR3404075 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3404195 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3404195

$21.60 $24.00

Torque Parts Wheel Hub Cap TR3404195 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434009 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434009

$43.20 $48.00

Torque Parts Wheel Hub Cap TR3434009 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434024 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434024

$28.80 $32.00

Torque Parts Wheel Hub Cap TR3434024 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434075 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434075

$43.20 $48.00

Torque Parts Wheel Hub Cap TR3434075 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434095 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434095

$39.60 $44.00

Torque Parts Wheel Hub Cap TR3434095 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434195 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434195

$36.00 $40.00

Torque Parts Wheel Hub Cap TR3434195 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434249 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434249

$25.20 $28.00

Torque Parts Wheel Hub Cap TR3434249 is a real heavy-duty hub cap product for truck... ..

Torque Parts hub cap TR3434370 heavy duty truck hub cap

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Torque Parts Wheel Hub Cap TR3434370

$39.60 $44.00

Torque Parts Wheel Hub Cap TR3434370 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H4020 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H4020

$18.45 $20.50

Tramec Sloan Axle Hub Cap H4020 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H4042 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H4042

$20.70 $23.00

Tramec Sloan Axle Hub Cap H4042 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H4249 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H4249

$22.95 $25.50

Tramec Sloan Axle Hub Cap H4249 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H74009 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H74009

$20.70 $23.00

Tramec Sloan Axle Hub Cap H74009 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H74024 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H74024

$25.20 $28.00

Tramec Sloan Axle Hub Cap H74024 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H74075 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H74075

$25.20 $28.00

Tramec Sloan Axle Hub Cap H74075 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H74195 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H74195

$16.20 $18.00

Tramec Sloan Axle Hub Cap H74195 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H84009H heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H84009H

$22.95 $25.50

Tramec Sloan Axle Hub Cap H84009H is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H84024 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H84024

$27.45 $30.50

Tramec Sloan Axle Hub Cap H84024 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H84075 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H84075

$27.45 $30.50

Tramec Sloan Axle Hub Cap H84075 is a real heavy-duty hub cap product for truck... ..

Tramec Sloan hub cap H84195 heavy duty truck hub cap

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Tramec Sloan Axle Hub Cap H84195

$18.45 $20.50

Tramec Sloan Axle Hub Cap H84195 is a real heavy-duty hub cap product for truck... ..

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Hub Seal

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Cross Reference #:-----------------------------Spicer - 8302National - 343009Euclid - E04009Dexter - 2103802Watson&Chalin - 17222 For Use... ..

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Hub Seal

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Cross Reference #:-----------------------------National - 3404024National - HU024A For Use : --------------Volvo ..

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Hub Seal

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Cross Reference #:-----------------------------Eaton - 815214Great-Dane - 47548Meritor - A3262J1180National - 343195Stemco - 3434195Trailmobile - 4131097... ..

Showing 1 to 50 of 50 items

Heavy-Duty Hub Caps for Commercial Truck and Trailer Wheel-End Applications

Shop heavy-duty hub caps for commercial trucks and trailers, including replacement axle hub caps and oil bath hub caps used in demanding wheel-end service. This category is built for practical replacement needs where correct fit, lubricant control, and dependable wheel-end protection matter.

Our selection includes hub caps used in both oil and grease wheel-end applications, with configurations that may...

Heavy-Duty Hub Caps for Commercial Truck and Trailer Wheel-End Applications

Our selection includes hub caps used in both oil and grease wheel-end applications, with configurations that may vary by axle position, bolt pattern, fill plug style, and window design. Whether you are matching a known part number, replacing a damaged cap, or comparing dimensions for a clean installation, this category helps narrow the correct heavy-duty option more efficiently.

How to Choose the Right Hub Cap

A replacement hub cap should be matched by more than appearance alone. In heavy-duty truck and trailer wheel ends, the correct fit depends on the original part number, lubricant type, bolt-hole count, bolt circle, flange dimensions, and the intended axle application. Even similar-looking caps can differ in depth, venting, fill plug location, or viewing window style.

Part number or cross reference: start with the original hub cap number whenever possible
Oil or grease application: confirm the cap matches the wheel-end lubrication setup already in service
Bolt pattern: verify bolt-hole count, bolt size, and bolt circle before ordering
Dimensions: compare inside depth and flange measurements to the original cap
Application: check whether the cap is intended for steer axle, trailer axle, or another wheel-end position

Oil Bath Hub Caps and Grease Hub Caps

Not every hub cap is built for the same wheel-end lubricant system. In many heavy-duty applications, oil bath hub caps use a viewing window and fill plug arrangement that helps with lubricant level checks and service access. Grease hub cap designs are different and should be matched to the wheel-end setup rather than chosen by appearance alone.

That is why accurate identification matters before ordering. Matching the correct cap from the start helps avoid leaks, poor fitment, and unnecessary rework during wheel-end service.

What to Check Before Ordering a Hub Cap

In many commercial truck and trailer repairs, the safest ordering method is to begin with the original reference number and then confirm the physical details of the cap. This includes the number of mounting holes, the bolt circle, the cap depth, the flange diameter, and whether the replacement should include a side fill plug or viewing window.

Window style: confirm whether the replacement uses a clear inspection window or another design
Fill plug setup: verify whether the cap includes a side fill plug for the intended application
Material: compare aluminum, steel, composite, or other construction types where relevant
Wheel-end service needs: make sure the cap matches the maintenance approach used in your fleet or shop
Installation details: check whether gasket and hardware requirements are already known before ordering

Common Signs a Hub Cap May Need Replacement

Hub caps should be inspected as part of normal wheel-end maintenance. Damage, leaks, poor sealing, or worn viewing components can affect service quality and make routine inspection more difficult. In commercial use, replacing a worn hub cap at the right time helps support cleaner wheel-end maintenance and more dependable operation.

Visible damage, corrosion, or distortion on the cap body
Leak concerns around the cap, plug, or sealing area
Clouded, cracked, or damaged inspection window
Worn or damaged fill plug and service access points
Replacement recommended during broader wheel-end or axle service

Hub Cap Replacement Works Best with Full Wheel-End Inspection

Replacing the hub cap is often only one part of a proper wheel-end service job. During maintenance, it makes sense to inspect the surrounding wheel-end components so the new cap is installed into a clean and properly serviced assembly. This helps reduce repeat issues and supports better long-term results after installation.

If you are servicing related systems at the same time, you may also want to review Brake Drums, Brake Shoes, and Slack Adjusters for other heavy-duty parts commonly involved in wheel-end and brake service.

Browse Hub Caps by Bolt Pattern, Application, and Part Number

Explore this category to compare heavy-duty hub caps by application, dimensions, and replacement need. Whether you need an oil bath hub cap for routine service or a direct-fit axle hub cap for a working truck or trailer, this collection helps narrow the correct commercial option more efficiently.