Engine Crankshaft Lock Key GM Genuine Metal

Description

Product Overview

The GM Genuine Parts Engine Crankshaft Lock Key is a precision‑engineered component designed to lock and secure engine crankshafts during service or repair. Manufactured from high‑grade machined metal, the key offers exceptional strength and resistance to wear, matching the original equipment specifications for Chevrolet, Buick, GMC and Cadillac models. With dimensions of 2.4 x 1 x 0.6 inches and a lightweight design of just 0.32 ounces, it fits seamlessly into the crankshaft housing, providing a secure anchor point that prevents rotation while the engine is being disassembled or rebuilt.

Usage

This lock key is ideal for professional mechanics, automotive technicians, and experienced DIY enthusiasts who need to immobilize the crankshaft during engine overhaul, timing belt replacement, or internal inspection. It is used in workshop environments, service bays, and even home garages where precise engine work is performed. By inserting the key into the designated slot, the crankshaft is held firmly in place, eliminating the risk of accidental movement that could damage bearings or other internal components.

Why Choose Us

GM Genuine Parts are engineered to the same rigorous standards as the components that leave the factory floor. Each lock key undergoes strict quality testing, ensuring dimensional accuracy, material integrity, and long‑term reliability. Backed by General Motors’ extensive warranty and support network, this part offers peace of mind that aftermarket alternatives cannot match. The metal construction provides superior torque resistance compared to plastic or composite lock devices, and the machined finish guarantees a smooth, snag‑free insertion.

Key Features

• Precision‑machined metal construction for maximum durability
• Exact OEM dimensions ensure a perfect fit for GM engines
• Lightweight yet robust design prevents crankshaft rotation
• Compatible with Chevrolet, Buick, GMC and Cadillac models
• Backed by GM Genuine Parts warranty and engineering support

FAQ

What engines are compatible with this lock key?

The lock key is designed for all GM V6 and V8 engines that use the standard crankshaft lock slot, covering most Chevrolet, Buick, GMC and Cadillac models from the early 2000s onward.

Do I need any special tools to install the key?

Installation requires only a basic socket or wrench to turn the key once it is seated. No additional specialty tools are necessary.

Can this part be used for both repair and performance builds?

Yes. Its high‑strength metal construction makes it suitable for routine maintenance as well as high‑performance engine rebuilds where extra security is essential.

Is the lock key reusable?

Absolutely. The durable metal design allows the key to be removed and reinstalled multiple times without loss of integrity.

How does this part differ from generic aftermarket lock keys?

GM Genuine Parts are manufactured to exact OEM specifications, ensuring a perfect fit and superior material quality. Generic parts often use lower‑grade materials and may not align precisely, leading to potential slippage or damage.