The Meritor R006142 is a genuine OEM axle hardware spindle nut, sold here as a 4-pack. Referenced in Meritor catalog PB8857 (Drum Brake and Wheel End Catalog), this nut is classified under wheel end product information. If you are sourcing spindle nuts to complete a wheel end rebuild or axle hardware kit, this genuine Meritor part is sold by Pro Gear and Transmission. Call us to confirm proper fit for your application before ordering.Interchanges:1227Z10403300650028235R006142ATIR006142EUE6142R006142RIRWR006142TDA1227Z1040TDAR006142This unit is sold in packs of 4.FeaturesGenuine OEM Meritor axle hardware spindle nutClassified as wheel end product – part of the Meritor drum brake and wheel end lineReferenced in Meritor catalog PB8857Sold as a 4-packAdditional InformationReferenced catalog: PB8857 – Meritor Drum Brake and Wheel End CatalogUsed in these Meritor models140/141/143/144/145 Series Drive AxleRD-20-145 Drive AxleRT-40-145 Drive Axle