Pioneer Cables FRG-158H Automatic Transmission Ring Gear

Reliable Automatic Transmission Ring Gear for Classic GM Vehicles

The Pioneer Cables FRG-158H automatic transmission ring gear is engineered to meet the precise specifications required for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with exacting dimensions and 158 teeth, this ring gear ensures proper engagement and smooth transmission operation.

• Inside diameter: 15.012 inches for accurate fitment
• Outside diameter: 15.984 inches to match OEM standards
• Thickness: 0.495 inches for durability and strength
• Tooth quantity: 158 teeth for precise gear meshing
• Compatible with multiple GM models including Cutlass, Firebird, and Monte Carlo

Precision Dimensions and Compatibility Details

The FRG-158H ring gear features a 15.012-inch inside diameter and a 15.984-inch outside diameter, providing a close match to original equipment specifications. Its 0.495-inch thickness contributes to the structural integrity necessary for reliable transmission performance. With 158 teeth, this ring gear is designed to mesh accurately with the corresponding pinion gear, reducing wear and ensuring consistent power transfer. This part is compatible with a range of GM vehicles such as the Buick LeSabre, Chevrolet Malibu, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix, making it suitable for restoration or repair projects on these classic models.

Applications and Common Issues Addressed

• Replacement for worn or damaged ring gears causing transmission noise
• Fixes issues related to improper gear engagement or slipping
• Restores correct gear ratio and smooth shifting in automatic transmissions
• Addresses wear from extended use or high mileage on Buick, Chevrolet, Oldsmobile, and Pontiac models
• Supports transmission rebuilds requiring OEM-spec ring gear dimensions

Installation Notes and Tips

Proper installation of the FRG-158H ring gear requires careful alignment with the transmission housing and pinion gear. It is recommended to verify the tooth count and dimensions against the original part before installation. Use appropriate tools to press the ring gear onto the transmission case evenly to avoid distortion. Checking gear backlash and ensuring correct torque specifications during assembly will help maintain transmission performance and longevity.

Quality Assurance and Warranty Information

Pioneer Cables manufactures the FRG-158H ring gear to meet industry standards for transmission hard parts. Each unit undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Pioneer Cables products typically adhere to manufacturer guidelines for durability and fitment. Buyers should consult product documentation or contact the manufacturer for warranty terms.