WAI DST1635 Distributor

Ignition Distributor for GM V6 Applications

The WAI DST1635 ignition distributor is a 100% new, complete unit built for direct replacement in select Chevrolet, GMC, Oldsmobile, and Pontiac applications. It is engineered to meet or exceed OE form, fit, and function, with a magnetic distributor design, aluminum housing, and melonized steel gear for dependable ignition performance.

Built as a ready-to-install assembly, the DST1635 includes a new cap and rotor and is tested for long-lasting operation. It is a practical choice for drivers searching for a replacement distributor for Chevrolet S10, GMC Sonoma, or Chevrolet Astro applications with the correct brass-contact or vertical-cap-tower configuration.

Key Features

• 100% new WAI distributor, ready to install out of the box
• Direct-fit design for select GM truck, van, and car applications
• Magnetic distributor type for OE-style ignition signal control
• Aluminum housing with melonized steel gear for durability
• Distributor cap and rotor included
• New cap and rotor supplied with each unit
• Tested to OE specifications for form, fit, and function
• Distributor cap attachment method: screw
• Designed for applications with brass contacts

Detailed Description

WAI DST1635 is a replacement ignition distributor for a wide range of 1982-1996 GM vehicles, including Chevrolet C/K trucks, Astro, S10, Blazer, GMC Safari, Sonoma, Jimmy, and select Pontiac and Oldsmobile models. This part number is also referenced in applications such as Chevrolet S10, GMC Sonoma, and Chevrolet Astro, making it a useful search match for owners restoring or repairing older GM ignition systems. The DST1635 is built with all-new components and is intended to restore consistent spark timing and distributor operation in vehicles that require the specified brass-contact or vertical-cap-tower configuration.

This part cross-references 1103574 and 1103655 for the same application.

What It Helps Fix

• Hard starting caused by worn distributor internals
• Misfire or rough running from inconsistent spark distribution
• Ignition timing issues related to distributor wear
• Cap and rotor deterioration affecting spark transfer
• Driveability problems in aging GM ignition systems

Installation Notes and Tips

Verify engine configuration, cap style, and application notes before installation. This distributor is listed for specific GM vehicles with brass contacts or vertical cap towers, so matching the original unit is important for proper fitment. Set base timing after installation and confirm all electrical connections are secure.

Quality Assurance

WAI manufactures this distributor as a 100% new unit using high-grade materials and tests each assembly for OE-level form, fit, and function. The DST1635 is backed by a limited lifetime warranty.