Pioneer Cables FRG-158A Automatic Transmission Ring Gear

Automatic Transmission Ring Gear for OE-Style Replacement

The Pioneer Cables FRG-158A automatic transmission ring gear is built for direct replacement service where starter engagement has worn or damaged the original gear teeth. With 158 teeth and OE-style dimensions, it is designed to match the original fit and function for dependable engine cranking.

Compatible With select 1974-1977 Dodge truck and Ramcharger applications, including Dodge B100, B200, B300, D100, D150, D200, D300, Ramcharger, W100, W150, W200, and W300 models. The FRG-158A is a practical solution for restoring starter engagement on vehicles using the specified clutch and transmission configurations.

Key Features

• Automatic transmission ring gear with 158 teeth
• Inside diameter: 14.695
• Outside diameter: 15.868
• Thickness: 0.355
• OE-style replacement designed to match original fit and function
• Pioneer Cables FRG-158A part number for accurate ordering

Detailed Description

The ring gear is the starter engagement surface that allows the engine to crank and start. Over time, repeated starter contact can wear down or break the teeth, leading to starting problems and the need for replacement. This Pioneer Cables ring gear is engineered to the listed dimensions and tooth count so it can be installed as a direct-service replacement in the specified Dodge applications. The FRG-158A is also referenced under Pioneer Automotive Industries FRG-158A.

Fits 1976-1977 Dodge B100, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge B100, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge B100, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge B200, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge B200, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge B200, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge B300, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge B300, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge B300, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge D100, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge D100, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge D100, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1977 Dodge D150, N/A; Teeth: 158; w/13" Clutch. Fits 1977 Dodge D150, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1977 Dodge D150, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge D200, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge D200, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge D200, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge D300, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge D300, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge D300, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1974-1977 Dodge Ramcharger, N/A; Teeth: 158; w/13" Clutch. Fits 1974-1977 Dodge Ramcharger, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1974-1977 Dodge Ramcharger, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge W100, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge W100, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge W100, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1977 Dodge W150, N/A; Teeth: 158; w/13" Clutch. Fits 1977 Dodge W150, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge W200, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge W200, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge W200, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch. Fits 1975-1977 Dodge W300, N/A; Teeth: 158; w/13" Clutch. Fits 1975-1977 Dodge W300, N/A; Teeth: 158; Medium Duty w/13" Inside Dia. Clutch. Fits 1975-1977 Dodge W300, N/A; Teeth: 158; Conventional Cab Series No. 5; w/Manual Trans.; 12" Dia. Clutch.

Common Problems This Part Can Solve

• Worn starter ring gear teeth that prevent proper cranking
• Broken or chipped teeth causing intermittent starter engagement
• Grinding noise during engine start-up
• Starter slip or incomplete engagement at the flywheel/ring gear interface
• No-start condition caused by damaged ring gear teeth

Installation Notes and Tips

Verify tooth count and all listed dimensions before installation. Match the vehicle application carefully, including clutch and transmission notes, because the FRG-158A is used across multiple Dodge truck and Ramcharger configurations. Inspect the starter drive and related components during service so the new ring gear is not installed against worn mating parts.

Quality Assurance

Pioneer Cables designs this ring gear to fit and function like the original part for durability and long service life in the specified applications. Use the FRG-158A part number when confirming the correct replacement for your Dodge B100, B200, B300, D100, D150, D200, D300, Ramcharger, W100, W150, W200, or W300 application.