Meritor R005988L Wheel Cap Nut + Cross Reference

Ensure the structural integrity of your heavy-duty vehicle's wheel assembly with the Meritor R005988L Wheel Cap Nut. Engineered for precision and long-term reliability, this left-hand (L.H.) thread cap nut is a critical component for securing dual wheel configurations. Meritor, a global leader in commercial vehicle drivetrain and braking solutions, has designed this nut to meet or exceed OEM specifications, providing a secure fit that prevents loosening under the extreme stresses of long-haul transport. This nut features a robust 3 3/32-inch length and an outer thread size of 1-1/8-16, ensuring compatibility with standard heavy-duty axles. To guarantee superior strength and resistance to wear, the R005988L is through-hardened. This specialized heat-treatment process ensures that the metal’s durability is consistent from the surface to the core, preventing stripping and deformation even under high-torque applications. Additionally, the nut includes a 1/4 x 13/16 counterbore for precise alignment and seating. Choosing genuine Meritor components means investing in safety and uptime. The R005988L cap nut is built to withstand the harsh environments of the road, from extreme temperature fluctuations to corrosive debris. Whether you are performing routine maintenance or a complete wheel-end overhaul, this through-hardened cap nut offers the peace of mind that comes with professional-grade hardware. Keep your fleet moving safely with a component designed for maximum clamping force and ultimate endurance.