HomeBrake > Drums and RotorsDynamite Friction 604-40121 Disc Brake Rotor - Rear
Part #: 604-40121

Dynamite Friction 604-40121 Disc Brake Rotor - Rear

DFC GEOSPEC Coated Rotor, Rear
37 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC GEOSPEC Coated Rotor, Rear
Fitment: Ram, 1500 and 1500 Classic
Easy Returns — Return within 60 days for a full refund
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Reliable Disc Brake Rotor for Ram 1500 and 1500 Classic

The Dynamite Friction DFC GEOSPEC Coated Rotor 604-40121 offers a durable braking solution designed specifically for Ram 1500 and 1500 Classic models. Engineered to meet the demands of daily driving and towing, this disc brake rotor ensures consistent performance and long service life.

Key Features of the DFC GEOSPEC Coated Rotor

  • Coated rotor surface for enhanced corrosion resistance
  • Precision-machined for optimal fit and smooth braking
  • Compatible with Ram 1500 and 1500 Classic models
  • Part number 604-40121 for exact replacement
  • Manufactured by Dynamite Friction, a trusted brand in brake components

About the DFC GEOSPEC Coated Rotor Product Line

The DFC GEOSPEC Coated Rotor line from Dynamite Friction focuses on rotors with specialized coatings that protect against rust and wear. This coating extends the rotor's lifespan and maintains braking efficiency under various driving conditions. The 604-40121 rotor benefits from this technology, providing a reliable braking surface tailored for Ram trucks.

Detailed Product Description

This disc brake rotor is designed to replace original equipment on Ram 1500 and 1500 Classic vehicles. The coating applied to the rotor surface helps prevent corrosion, which is especially beneficial in regions with harsh weather or road salt exposure. The rotor is precision-machined to ensure proper alignment and smooth contact with brake pads, reducing noise and vibration during braking. Using part number 604-40121 guarantees compatibility and maintains the vehicle's braking system integrity.

Common Issues Addressed by This Rotor

  • Brake rotor rust and corrosion
  • Uneven brake pad wear due to rotor surface imperfections
  • Brake noise caused by warped or damaged rotors
  • Reduced braking performance from worn or compromised rotors
  • Replacement for OEM rotors on Ram 1500 and 1500 Classic

Installation Notes and Tips

  • Ensure vehicle is securely lifted and supported before installation
  • Clean hub surface to prevent rotor misalignment
  • Check brake pads for wear and replace if necessary
  • Tighten rotor mounting bolts to manufacturer torque specifications
  • Perform a test drive to verify proper braking function after installation

Quality Assurance and Warranty

Dynamite Friction manufactures the 604-40121 rotor to meet industry standards for safety and durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable performance. Using this rotor helps maintain the braking system's safety and effectiveness on Ram 1500 and 1500 Classic trucks.

This part fits 37 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2026Ram1500LonghornRearDFC GEOSPEC Coated Rotor
2025Ram1500RearDFC GEOSPEC Coated Rotor
2024Ram1500LonghornRearDFC GEOSPEC Coated Rotor
2023Ram1500LonghornRearDFC GEOSPEC Coated Rotor
2022Ram1500TradesmanRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500HFERearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500RebelRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500LaramieRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500Limited LonghornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500Special ServiceRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500Lone StarRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500SportRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500Big HornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500LimitedRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2022Ram1500 ClassicRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500TradesmanRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Laramie LonghornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500HFERearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500SLTRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500TRX Launch EditionRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500RebelRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500LaramieRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Limited LonghornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500STRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Special ServiceRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Laramie SportRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Lone StarRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Hemi SportRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500LonghornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500SportRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500Big HornRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500LimitedRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2021Ram1500 ClassicRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2020Ram1500RearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2020Ram1500 ClassicRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2019Ram1500RearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor
2019Ram1500 ClassicRearDT; fits vehicles with all new body style and 6-lug wheels.; DFC GEOSPEC Coated Rotor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.