Distributor Thermal Vacuum Switch for Chevrolet Impala (1973–1977) 89653SDJS

Includes: - Distributor Thermal Vacuum Switch

Fits Models: - Chevrolet Impala

Model Years: - 1973–1977

Submodels: - Common trims include Base, Custom, and SS; body styles include Coupe and Sedan; chassis codes include 1B69, 1B37, 1B67.

Engine Options: - Common engine sizes include 5.7L V8 (350 CID), 6.6L V8 (400 CID), and 7.4L V8 (454 CID); engine codes may include L48, L65, and L78.

Description: This Distributor Thermal Vacuum Switch is designed for Chevrolet Impala models from 1973 to 1977. It regulates the vacuum advance in the distributor, ensuring optimal engine performance and efficiency. This part is essential for maintaining proper ignition timing and engine responsiveness.

Features: - Direct replacement for original equipment - Ensures accurate vacuum regulation - Enhances engine performance and efficiency - Durable construction for long-lasting use - Easy installation

Part Numbers: - 89653SDJS