Dynamite Friction 631-40099L Disc Brake Rotor - Rear Left

Dynamite Friction Rear Left Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-40099L, is a rear left disc brake rotor for 2003-2004 Dodge Dakota applications. It combines a slotted X drilled surface with a zinc silver hat finish and rust-resistant coating for a clean, service-ready appearance.

• Fits 2003-2004 Dodge Dakota, rear left
• Part number 631-40099L for direct application lookup
• Slotted X drilled rotor surface for consistent brake contact
• Directional brake surface design
• Solid rotor construction
• Outside diameter: 312 mm
• Nominal thickness: 14.9 mm; discard thickness: 13.5 mm
• 6-bolt, 6-lug pattern with 114.3 mm bolt circle diameter
• Zinc silver hat finish with rust-resistant coating

Product Line Details

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotor service parts with a drilled and slotted braking surface and corrosion-resistant finish. For Dodge Dakota rear brake service, part number 631-40099L provides the specified rotor dimensions and mounting pattern needed for the listed application.

Detailed Description

This rear left brake rotor is built for 2003-2004 Dodge Dakota models and uses a solid disc design with a directional slotted X drilled surface. Key measurements include an overall height of 81.3 mm, center hole diameter of 72 mm, bolt hole diameter of 16.7 mm, and stud/lug hole circle diameter of 114.3 mm. The plain disc finish is paired with a zinc silver hat finish and rust-resistant coating to help maintain appearance during brake service.

Search terms such as 2003 Dodge Dakota rear left brake rotor, 2004 Dodge Dakota drilled and slotted rotor, and Dynamite Friction 631-40099L rear brake rotor all point to this exact application. The part number 631-40099L is also useful when matching service records or ordering by reference.

What It Helps Address

• Rear brake rotor wear on a 2003-2004 Dodge Dakota
• Rotor surface scoring or uneven braking feel
• Corrosion on the rotor hat or exposed metal surfaces
• Brake service needs for the rear left position
• Replacement of a rotor with the correct 6-lug, 114.3 mm bolt circle pattern

Installation Notes

Verify rear left placement, 6-bolt fitment, and all listed dimensions before installation. Confirm the rotor matches the vehicle’s brake setup and inspect pads, caliper condition, and hub surfaces during service. Use standard brake service procedures and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

Dynamite Friction supplies this rotor with a rust-resistant coating and zinc silver hat finish for corrosion protection in service. Part number 631-40099L is specified for the listed 2003-2004 Dodge Dakota rear left application.