Description
The Grey Pneumatic 3/4″ Drive x 2-1/2″ Truck Pinion Locknut Socket (3780D) is a high-quality impact socket designed specifically for removing and installing truck pinion locknuts. Its extra thin wall design allows for access to tight spaces and deep-set locknuts, making it a valuable tool for mechanics and DIY enthusiasts working on a variety of truck models.
KEY FEATURES AND BENEFITS:
- Extra Thin Wall Design: Provides access to tight spaces and deep-set locknuts.
- 3/4″ Drive: Compatible with 3/4″ drive impact wrenches and socket extensions.
- 2-1/2″ Deep Well: Offers ample depth for reaching deep-set pinion locknuts.
- High-Quality Steel: Constructed from durable chrome-molybdenum alloy steel for strength and longevity.
- Impact Resistant: Designed to withstand the high torque and impact forces generated by impact wrenches.
SPECIFICATIONS:
- Drive: 3/4″
- Socket Depth: 2-1/2″
- Material: Chrome-molybdenum alloy steel
- Packaging: Poly bag with barcode
HOW TO USE:
- Prepare the Work Area: Ensure the truck is securely parked on a level surface and that the area is well-lit and free of obstructions.
- Remove the Wheel: Loosen and remove the lug nuts from the wheel you intend to work on.
- Access the Pinion Locknut: Remove the brake caliper and rotor to expose the pinion locknut.
- Secure the Drive Shaft: Use a pry bar or a suitable tool to prevent the drive shaft from rotating while you loosen the locknut.
- Loosen the Locknut: Use a 3/4″ drive impact wrench to loosen the pinion locknut.
- Remove the Locknut: Once the locknut is loose, carefully remove it from the pinion.
- Reassembly: Follow the reverse procedure to reinstall the locknut, brake rotor, and caliper.
BENEFITS OF USING THE GREY PNEUMATIC 3/4″ DRIVE X 2-1/2″ TRUCK PINION LOCKNUT SOCKET (3780D):
- Efficiency: The extra thin wall design allows for quick and easy access to hard-to-reach locknuts.
- Durability: Constructed from high-quality steel, this socket is built to last.
- Versatility: Suitable for a wide variety of truck models.
- Safety: The impact-resistant design ensures safe and reliable performance.
FEATURES:
- Precise Fit: Ensures a secure connection between the socket and the locknut.
- Anti-Slip Design: Helps prevent the socket from slipping off the locknut.
- Clear Markings: Easy-to-read markings indicate the socket size.






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