WAI DST1831 Distributor

Ignition Distributor for OE-Style Replacement

The WAI DST1831 ignition distributor is a 100% new, ready-to-install unit built to meet or exceed OE manufacturing and performance specifications. It is designed for direct fitment on select Buick, Cadillac, Chevrolet, and Oldsmobile applications, including 1991-1993 Buick Roadmaster and 1991-1993 Chevrolet Caprice.

Key Features

• 100% new distributor assembly, ready to install out of the box
• 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
• Ignition coil not included

Product Details

WAI DST1831 is a complete ignition distributor engineered for direct replacement in select GM rear-wheel-drive applications. It is built with all-new components and uses a magnetic distributor design, aluminum housing, and melonized steel gear to support consistent ignition timing and dependable operation. This part cross-references 1103852 and 1103953 for the same application. The DST1831 is a practical choice for owners servicing a 1991-1993 Buick Roadmaster, 1991-1993 Chevrolet Caprice, 1991-1992 Oldsmobile Custom Cruiser, or related Cadillac commercial chassis and Fleetwood applications.

Vehicle Fitment

• Fits 1991-1993 Buick Roadmaster, N/A
• Fits 1993 Cadillac Commercial Chassis, N/A
• Fits 1993 Cadillac Fleetwood, N/A
• Fits 1991-1993 Chevrolet Caprice, N/A
• Fits 1993 Chevrolet Commercial Chassis, N/A
• Fits 1991-1992 Oldsmobile Custom Cruiser, N/A

Common Replacement Reasons

• Engine misfire or intermittent ignition loss
• Hard starting caused by distributor wear
• Rough idle from inconsistent spark timing
• Cap or rotor service on a worn distributor assembly
• Replacement after housing, gear, or internal component wear

Installation Notes

Verify engine application and distributor gear compatibility before installation. The cap and rotor are included, while the ignition coil is not. Confirm proper indexing and timing during installation, and follow OE service procedures for final ignition timing adjustment.

Quality Assurance

WAI manufactures this distributor as a 100% new unit using high-grade materials and tests each assembly for long-lasting performance. It is backed by a limited lifetime warranty.