Pioneer Cables FRG-191T Clutch Flywheel Ring Gear

Clutch Flywheel Ring Gear for OE-Style Cranking

The Pioneer Cables FRG-191T clutch flywheel ring gear is built for applications that need a precise starter engagement surface. Its 191-tooth design, 15.012-inch inside diameter, 14.97-inch outside diameter, and 0.485-inch thickness are specified to match the original fit and function for dependable engine cranking.

Use this ring gear when worn or broken starter teeth are preventing normal engine start-up. The FRG-191T is a direct replacement-style part for select Buick, Chevrolet, and GMC applications, including Buick LeSabre, Buick Riviera, Buick Skylark, Chevrolet C10 Suburban, Chevrolet C20 Suburban, Chevrolet El Camino, Chevrolet K10 Suburban, and GMC Jimmy.

• Part number: FRG-191T
• Clutch flywheel ring gear with 191 teeth
• Inside diameter: 15.012 inches
• Outside diameter: 14.97 inches
• Thickness: 0.485 inches
• OE-style fit and function for starter engagement
• Cross-reference: AMS Automotive 4463

Detailed Fitment and Application

Pioneer Cables FRG-191T is a transmission flywheel ring gear designed for direct replacement in select classic GM vehicles. It fits 1970-1971 Chevrolet C10 Suburban, 1970-1971 Chevrolet C20 Suburban, 1970-1971 Chevrolet El Camino, 1970-1971 Chevrolet K10 Suburban, 1970 GMC Jimmy, 1965-1966 Buick Skylark, 1963-1965 Buick Riviera, and 1960-1964 Buick LeSabre. This part number, FRG-191T, also cross-references 191T, 2369440, 6003026, GM191T, RG48, and XG48 for the same application.

The ring gear teeth engage the starter motor so the engine can crank and start. When the teeth become worn, chipped, or broken from repeated starter contact, replacement restores proper engagement and helps maintain reliable starting performance. For buyers searching for a Buick LeSabre ring gear, Chevrolet El Camino flywheel ring gear, or GMC Jimmy starter ring gear replacement, FRG-191T provides the specified tooth count and dimensions needed for the application.

Common Problems This Part Can Address

• Starter motor grinding during engine crank
• Intermittent no-crank condition caused by damaged ring gear teeth
• Visible wear, chipping, or breakage on flywheel teeth
• Poor starter engagement on select Buick, Chevrolet, and GMC vehicles
• Starting issues after long-term starter-to-ring-gear contact

Installation Notes and Tips

Confirm tooth count, diameter, and thickness before installation to match the original flywheel specification. Inspect the starter drive and related components at the same time, since worn starter parts can damage a new ring gear. Proper alignment and secure seating are important for consistent starter engagement on classic GM applications such as the Buick Riviera, Chevrolet C10 Suburban, and GMC Jimmy.

Quality Assurance

Pioneer Cables designs this ring gear to match the original part’s fit and function for durability and long service life. The FRG-191T is manufactured to support dependable starter engagement in the specified applications.