WHEEL SEAL

Name: 370031A - WHEEL SEAL
Brand: National
SKU: 370031A
Price: 84.14 USD
Availability: InStock

This is a National Red 37 Series oil bath wheel seal. It's a unitized, spring-loaded nitrile seal designed to keep axle lubricant in and dirt, water, and debris out of the wheel hub. It's commonly replaced when a wheel seal starts leaking or as part of a routine wheel‑end service on heavy‑duty drive axles.

$84.14

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Verified fitment

Mack GU813 (2012)
Mack LEU613 (2009-2014)
Mack LE613 (2007)
Mack MRU613 (2011-2014)
Great Dane trailers (1998-2017)
Freightliner TRACTORS (*)
International TRACTORS (*)
Kenworth TRACTORS (*)
Peterbilt MISCELLANEOUS TRACTOR (*)
Volvo TRACTORS (*)
Stoughton trailer (2011)

Fits many heavy-duty drive axles, particularly Mack 44,000 lb drive axles. Verify your axle model and hub dimensions before ordering; the seal fits hubs with roughly 4.25 in shaft diameter, 6.26 in bore, and 1.19 in width.

Specifications

SKU370031ABrandNationalSupplierKP Services CrossvilleCategoryBrakes & Wheel EndAvailabilityIn StockTypeOil bath wheel seal (drive axle)SeriesRed 37 SeriesConstructionUnitized, spring-loaded main lipMaterialNitrile (Abrasion-resistant)Shaft Diameter4.250 inHousing Bore6.264–6.267 inOutside Diameter6.250 inWidth1.188–1.189 inTemperature Range-40°F to 225°F (-40°C to 107°C)