Dynamite Friction 631-40117R Disc Brake Rotor - Rear Right

Drilled and Slotted Rear Rotor for Ram Heavy Duty Brakes

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-40117R, is a vented disc brake rotor built for the rear right position on select Ram ProMaster vans. It features a slotted X drilled surface, zinc silver hat finish, and rust resistant coating for a clean, service-ready appearance.

Compatible With 2014-2021 Ram ProMaster 2500 and 2014-2021 Ram ProMaster 3500 rear right applications with vented rear rotors and heavy duty brakes, this rotor is sized for direct replacement use. The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on rotor construction and surface design for consistent braking performance in demanding service conditions.

Key Features

• Part number: 631-40117R
• Rear right disc brake rotor for select Ram ProMaster heavy duty brake setups
• Vented rotor design
• Slotted X drilled surface type
• Rust resistant coating with zinc silver hat finish
• 5-bolt hole pattern with 130 mm bolt circle diameter
• Outside diameter: 300 mm
• Nominal thickness: 22 mm; discard thickness: 19.9 mm
• Center hole diameter: 79 mm

Product Details

This rotor is engineered around the listed dimensions and mounting pattern for rear right fitment on Ram ProMaster 2500 and Ram ProMaster 3500 vans. The directional brake surface and drilled-and-slotted face are intended to support even pad contact and heat management in heavy duty rear brake service. The plain disc finish and silver hat finish provide a clean appearance while the rust resistant coating adds protection against corrosion.

Part number 631-40117R is a direct-fit style replacement for vehicles requiring a 300 mm vented rear rotor with a 5-lug, 130 mm bolt circle layout. If you are searching for a rear right brake rotor for 2014-2021 Ram ProMaster 2500 or 2014-2021 Ram ProMaster 3500, this DFC rotor matches the listed application details.

What This Rotor Helps Address

• Rear brake rotor wear on Ram ProMaster 2500 and Ram ProMaster 3500 vans
• Rotor surface scoring or uneven braking feel
• Corrosion on exposed rotor surfaces
• Brake service needs for vented rear heavy duty brake systems
• Replacement of a rear right rotor with the correct bolt pattern and dimensions

Installation Notes and Tips

Verify rear right position, vented rotor configuration, 300 mm outside diameter, 130 mm bolt circle diameter, and 5-lug fitment before installation. Confirm the vehicle uses heavy duty rear brakes and compare the old rotor dimensions to the listed specifications. Clean the hub mounting surface before installing the new rotor and inspect pads, caliper condition, and hardware wear at the same time.

Fits 2014-2021 Ram ProMaster 2500, rear right. Fits 2014-2021 Ram ProMaster 3500, rear right.

Quality Assurance

Dynamite Friction identifies this rotor by part number 631-40117R and publishes the key dimensional and finish specifications needed for accurate brake service selection. Use the listed measurements and fitment notes to confirm application before purchase.