Knock Sensor

Auto trans. Manual trans. Astro, Safari. 4.3l. All models. 4.3l. All models. 7.4l. Thm 700-r4/4l60. Pick-up, Blazer, Bravada. 4.3l. 5.7l. Buick, chevrolet. Sends signals to the engine control module (ECM) to adjust timing Helps prevent damage to the engine caused by pre-ignition

Coil

All models. Astro, Safari. 4.3l. S-series. 4.3l. 8 cylinder. 1991-93, pick up. Pick up, 4 cylinder. S-series. 2.5l. Astro, Safari. 2.5l. 6 cylinder, 2.8L, with fi. 2.5, 2.8l. 2.5l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Engine Control Module (ECM)

Stamped #16199980. 1995. All models. 6.5l diesel. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle

ACDelcoâ„¢ Coil