Dynamic Friction 331-40681 Disc Brake Caliper - Rear Left

Rear Left Brake Caliper for Ram HD Applications

The Dynamic Friction DFC Premium Caliper - Silver Zinc Coated, part number 331-40681, is a rear left disc brake caliper built for specific Ram heavy-duty truck applications. It features a 2-piston design with 48 mm phenolic pistons and includes a bleeder screw for service-ready brake hydraulic replacement.

Key Features

• Fits 2019-2025 Ram 2500, rear left
• Fits 2019-2025 Ram 3500, rear left, SRW
• DFC Premium Caliper - Silver Zinc Coated finish for corrosion resistance
• 2-piston caliper design with 48 mm piston diameter
• Phenolic piston material for stable brake performance
• Bleeder screw included
• Pads not included

Product Details

Built for rear left brake service on Ram 2500 and Ram 3500 single rear wheel models, this Dynamic Friction disc brake caliper is specified for 2019-2025 applications and matches the listed position exactly. The silver zinc coated finish supports long-term durability in brake hydraulic service, while the phenolic pistons and dual-piston layout provide the construction details needed for a direct caliper replacement. Part number 331-40681 is a focused fitment solution for Ram brake repair work where the original rear left caliper needs replacement.

The DFC Premium Caliper - Silver Zinc Coated line is positioned as a premium brake hydraulic replacement option within Dynamic Friction’s catalog, with attention to corrosion protection and application-specific fitment. For Ram 2500 and Ram 3500 rear brake service, 331-40681 gives technicians a caliper assembly matched to the rear left side and the listed piston configuration.

Common Problems This Part Can Address

• Rear left caliper leakage or hydraulic seepage
• Uneven rear brake pad contact caused by caliper wear
• Sticking or dragging caliper operation
• Corrosion on the caliper body or piston area
• Brake pedal feel issues related to a failing caliper assembly

Installation Notes and Tips

Verify rear left position before installation and confirm the vehicle is a 2019-2025 Ram 2500 or a 2019-2025 Ram 3500 SRW application. Transfer or replace brake pads separately, since pads are not included. Bleed the brake system after installation using the included bleeder screw, and inspect brake hoses, mounting points, and rotor condition before returning the vehicle to service.

Quality Assurance

This caliper is built to the listed specifications for fitment, piston count, piston diameter, piston material, and finish. Part number 331-40681 is intended for direct application matching on the confirmed Ram rear left brake positions shown above.