Rectifier D3990 for Delco 17SI 21SI CS144 Series (12V 3-60 Amp)

Includes: - Rectifier D3990

Fits Models: - General Motors vehicles with Delco 17SI, 21SI, and CS144 alternators

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Compatible with standard engine options

Description: The Rectifier D3990 is designed for use with Delco 17SI, 21SI, and CS144 series alternators. This component is essential for converting AC voltage generated by the alternator into DC voltage, ensuring proper electrical system functionality in compatible vehicles.

Features: - High-quality construction for reliable performance - Direct replacement for worn or faulty rectifiers - Designed for 12V systems with current ratings from 3 to 60 Amps - Easy installation for automotive technicians and DIY enthusiasts

Part Numbers: - D3990