Standard Ignition DG-25 Distributor Drive Gear

Distributor Drive Gear for GM Ignition Service

Standard Ignition DG-25 is a distributor drive gear for distributor and magneto ignition applications. It is built for vehicles that rely on a mechanical distributor drive, including many Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac models from 1985-1998.

Standard Ignition has supplied ignition components to the automotive aftermarket since 1919 and maintains quality control from component manufacturing through final assembly. The DG-25 is a non-electronic, non-battery, non-bulb part that supports straightforward distributor service on a wide range of GM trucks, vans, and passenger cars.

Key Features

• Distributor drive gear for ignition system repair and replacement
• Non-electronic design with no battery, bulb, or chemical content
• Fits a broad range of Chevrolet and GMC distributor ignition applications
• Also used on select Buick, Cadillac, Oldsmobile, and Pontiac models
• Standard Ignition DG-25 cross-references OE-style part numbers for the same application

Detailed Description

DG-25 is a Standard Ignition distributor drive gear made for vehicles using distributor ignition pickup systems. It is a direct-fit service part for many GM platforms, including Chevrolet Express, Astro, Blazer, C/K trucks, S10, Tahoe, GMC Safari, Sonoma, Jimmy, Yukon, and related rear-wheel-drive and four-wheel-drive applications. This part number is also referenced as DG-25 for ordering and service lookup.

This part cross-references Standard Ignition 6D1025 and 52-7512 for the same application. It is also listed with interchange references including 10468045, 10469459, DG24, DG117, and DG503.

What It Helps Fix

• Worn or damaged distributor drive gear teeth
• Distributor timing instability caused by gear wear
• Ignition pickup drive issues in distributor-equipped GM engines
• Noise or irregular distributor operation from a failing drive gear
• Service needs on high-mileage Chevrolet and GMC ignition systems

Installation Notes and Tips

Verify distributor type, engine application, and emissions configuration before installation. Some listed fitments include notes for U.S. emissions distributor ignition pickup applications, so confirm the vehicle’s original ignition setup against the catalog listing. Use the vehicle year, make, model, and distributor configuration to match the correct DG-25 application.

• Fits 1996-1998 Chevrolet Express 3500, N/A
• Fits 1997 Chevrolet Express 1500, N/A
• Fits 1997 Chevrolet Express 2500, N/A
• Fits 1986-1995 Chevrolet Astro, N/A
• Fits 1987-1995 Chevrolet Blazer, N/A
• Fits 1988-1995 Chevrolet C1500, N/A
• Fits 1988-1995 Chevrolet C2500, N/A
• Fits 1988-1995 Chevrolet C3500, N/A
• Fits 1987-1995 Chevrolet G10, N/A
• Fits 1987-1995 Chevrolet G20, N/A
• Fits 1987-1995 Chevrolet G30, N/A
• Fits 1988-1995 Chevrolet K1500, N/A
• Fits 1988-1995 Chevrolet K2500, N/A
• Fits 1988-1995 Chevrolet K3500, N/A
• Fits 1988-1995 Chevrolet S10, N/A
• Fits 1992-1995 Chevrolet Tahoe, N/A
• Fits 1987-1995 GMC Safari, N/A
• Fits 1991-1995 GMC Sonoma, N/A
• Fits 1992-1995 GMC Yukon, N/A

Quality Assurance

Standard Ignition is a long-running aftermarket ignition manufacturer with OE-level manufacturing oversight from componentry to finished product. DG-25 is a non-CARB-affected part and does not contain electronic components, batteries, bulbs, or regulated chemical materials.