What is this part?

The General Motors spark plug 94535748 is a genuine OEM ignition system component designed to ignite the air-fuel mixture inside the engine’s combustion chamber. Spark plugs are essential for proper engine starting, smooth operation, and efficient power delivery.

What does it do?

This OEM spark plug generates a high-voltage spark at the correct moment to ensure reliable combustion. A genuine General Motors spark plug is engineered to factory specifications for heat range, electrode design, and gap, helping optimize engine performance, fuel efficiency, and emissions. Proper spark quality reduces misfires and supports stable engine operation under various driving conditions.

When to replace

The General Motors spark plug 94535748 should be replaced according to the service interval or if symptoms such as rough idle, misfires, hard starting, reduced power, or increased fuel consumption occur. Worn electrodes, fouling, or incorrect gap can negatively affect ignition performance. Using an OEM replacement spark plug helps restore proper combustion and engine responsiveness.

Compatibility

The genuine General Motors spark plug 94535748 is compatible with selected General Motors vehicles. This OEM ignition component is designed to meet factory requirements, ensuring correct fitment and reliable performance. Compatibility may vary depending on engine type and model year. Please verify the part number 94535748 before purchase.

Installation: DIY or service?

Installation of this genuine OEM General Motors spark plug 94535748 is often suitable for DIY with basic tools. Professional installation is recommended to ensure correct torque and gap settings, especially on modern engines.