WAI DST1631 Distributor

Ignition Distributor for OE-Style Replacement

WAI DST1631 is a 100% new ignition distributor built as a direct-fit replacement for a wide range of Chevrolet, GMC, Buick, Pontiac, Jeep, Isuzu, and Oldsmobile applications. It is engineered to meet or exceed OE form, fit, and function, with a complete unit design that is ready to install out of the box.

For vehicles such as the Chevrolet S10, GMC S15, and Pontiac Firebird, this distributor is built for consistent ignition timing and dependable spark delivery. The WAI DST1631 also includes a new cap and rotor, helping simplify the replacement process.

Key Features

• 100% new distributor assembly, ready to install
• Tested to OE specifications for form, fit, and function
• Magnetic distributor design
• Aluminum housing for durable construction
• Melonized steel gear with 13 teeth
• Distributor cap included with screw attachment method
• Ignition rotor included
• No ignition coil included
• New cap and rotor supplied with each unit

Detailed Description

The WAI DST1631 ignition distributor is manufactured with all-new components and precision-engineered materials to support reliable ignition performance in older GM, Jeep, and Isuzu platforms. It is designed as a direct OE-style replacement for applications including 1982-1986 Chevrolet S10, 1983-1986 GMC S15 Jimmy, 1982-1984 Pontiac Firebird, 1986 Jeep Cherokee, and 1990-1995 Chevrolet Lumina. This part number, DST1631, is also used across multiple interchange references for broad application coverage.

This part cross-references 1103519 and 1103644 for the same application.

What It Helps Address

• Hard starting caused by worn distributor components
• Misfire or rough idle from inconsistent spark timing
• Ignition performance loss from worn cap and rotor parts
• Distributor wear in high-mileage GM, Jeep, and Isuzu engines
• Replacement needs after corrosion, gear wear, or internal failure

Installation Notes and Tips

Verify engine application, distributor type, and fitment notes before installation. Some listings require a no-vacuum configuration, so confirm the vehicle-specific note for your application. Match the gear tooth count, housing style, and cap attachment method to the original unit before timing the engine after installation.

Quality Assurance

WAI manufactures this distributor as a 100% new unit and tests each assembly for long-lasting performance. It is backed by a limited lifetime warranty and built to meet or exceed OE manufacturing and performance specifications.