Standard Motor Products ALH81 Automatic Locking Hub

The Standard Motor Products ALH81 is a replacement automatic locking hub designed to restore proper four-wheel drive engagement on equipped trucks and SUVs. Automatic locking hubs engage and disengage the front axle shafts automatically when four-wheel drive is selected, eliminating the need to manually lock or unlock hubs at the wheel.

Key Features:

• Direct-fit replacement for original equipment automatic locking hubs
• Engineered to meet or exceed OEM specifications for fit, form, and function
• Precision-machined internal components for reliable 4WD engagement and disengagement
• Durable construction designed to withstand the torque loads of four-wheel drive operation
• Helps restore proper front axle drive torque transfer

Standard Motor Products is a trusted name in the automotive parts industry with decades of experience manufacturing drivetrain, ignition, and engine management components. The ALH81 is built to provide long-lasting, dependable performance as a direct replacement for worn or failed automatic locking hubs.