Brake disc TRW DF4373 300x28mm, 5x112, Vented
- Diameter: 300
- Brake Disc Type: Vented
- Number of Holes: 5
- Bolt Hole Circle Ø [mm]: 112
- Brake Disc Thickness: 28
- Minimum thickness [mm]: 25
- Centering Diameter [mm]: 67
- Height: 58,5
- Surface: Painted
- Thread Size: 15
- Colour: black
- Test Mark: E190R-02C0176/0133
- Drilled: no
- Condition: New
Check the OE number
- OE 447 421 05 12 MERCEDES-BENZ
- OE 639 421 00 12 MERCEDES-BENZ
- OE 639 421 02 12 MERCEDES-BENZ
- OE 639 421 03 12 MERCEDES-BENZ
- OE A 447 421 05 12 MERCEDES-BENZ
- OE A 639 421 00 12 MERCEDES-BENZ
- OE A 639 421 02 12 MERCEDES-BENZ
- OE A 639 421 03 12 MERCEDES-BENZ
- OE 6364210012 MERCEDES-BENZ (FJDA)
- OE A 636 421 00 12 MERCEDES-BENZ (FJDA)
TRW DF4373 Brake disc – Key Features & Performance
Precision casting and effective heat management ensure the TRW DF4373 Brake disc delivers reliable deceleration across diverse operating cycles. Engineers prioritise minimal lateral run-out to prevent pedal judder, while the metallurgy supports consistent structural integrity under heavy clamping force. Fitting the VERSION FULL allows for seamless integration with existing calliper assemblies, providing a robust foundation for day-to-day vehicle maintenance.
Advanced warp resistance for demanding roads
The manufacturing process ensures each component remains warp-resistant under extreme service cycles. This DF4373 TRW Brake discs product maintains shape under heat, preventing irregular wear patterns on the pad surface. Engineers specify deformation-resistant materials to ensure the geometry stays stable under stress during prolonged use.
Exceptional braking comfort for daily operation
Modern drivers require progressive braking during heavy traffic conditions to ensure passenger safety. This TRW DF4373 allows for easy modulation when navigating tight junctions or roundabouts. A predictable response characterises the component, facilitating controlled braking in varying road conditions. Mechanics often report that smooth braking remains consistent throughout the initial bedding-in period, contributing to good pedal feel and precise braking for the driver.
Integrated ventilated discs for thermal management
An optimised airflow design is critical for maintaining internal component temperature during stop-start cycles. These TRW DF4373 Brake discs utilize cooling vanes to draw ambient air into the centre of the unit. Being internally ventilated, the assembly avoids premature saturation of the metal. This ensures the component remains ventilated even after high-intensity usage.
Consistent braking performance under heavy loads
Engineers prioritise improved braking efficiency to ensure the vehicle stops within specified distances. High friction performance allows the system to engage reliably regardless of environmental dampness. Achieving maximum stopping power requires components that resist fade during aggressive deceleration. High braking performance becomes evident when the system provides strong braking force throughout the lifespan of the pad.
Reliable heat resistance in varied climates
Maintaining thermal stability is essential for preventing structural degradation in urban environments. We ensure the alloy remains one of the most fade-resistant materials available to modern workshops. This unit handles high heat effectively, preventing surface glazing during prolonged downhill gradients. Providing high temperature resistance is a standard requirement, ensuring the metal remains heat resistant even when pushed beyond normal parameters.
Premium class quality for demanding standards
Utilising top-tier brands ensures that the metallurgy meets rigorous safety protocols. This professional grade component is manufactured to match or exceed specifications found in premium quality aftermarket parts. Many workshops favour top quality equipment when servicing late-model passenger vehicles. High-end components provide OE quality assurance, representing a premium choice for long-term reliability.
Reputable top brands for consistent reliability
Specifying quality brands reduces the risk of premature failure or material defects during critical operation. Trusted brands maintain supply chain transparency, which is vital for professional technicians. Reputable manufacturers provide the durability required for intensive UK driving cycles. Selecting the best brake disc brands ensures that the geometry remains within manufacturing tolerances throughout the service life.
Advanced cooling efficiency for rotor longevity
Engineers implement ventilated geometry to ensure fast heat dissipation during sustained highway travel. The design creates optimised airflow, directing air through the inner ring to prevent hotspots. Improved cooling significantly extends the life of both the pad and the metal surface. These cooling channels are engineered to sustain performance without additional mechanical intervention.
TRW DF4373 Brake discs: Key Performance and Safety Highlights
The DF4373 TRW Rotors are built to satisfy stringent automotive requirements, focusing on consistent stopping reliability. By employing precise casting techniques, the assembly ensures even friction distribution across the rotor face. Mechanics typically observe high levels of material consistency during routine inspections.
| Braking Attribute | Performance Benefit |
|---|---|
| Warp resistance | deformation-resistant |
| Braking comfort | predictable response |
| Ventilated discs | ventilated |
| Braking performance | maximum stopping power |
| Heat resistance | handles high heat |
| Premium class | premium quality |
| Top brands | reputable manufacturers |
| Cooling efficiency | optimised airflow |
The TRW DF4373 Brake disc set offers stable under stress characteristics that mechanics rely on for fleet maintenance. High-carbon cast iron alloy ensures that the rotor remains robust during thermal cycling. These units provide reliable results for all standard vehicle platforms.
Why the TRW DF4373 Brake disc is an Excellent Choice
Engineers view the component as a benchmark for OE quality, offering substantial cost-per-mile efficiency. The metal composition reduces the rate of rotor wear, minimising the need for premature replacements. Consistent surface hardness ensures that the brake pad bed-in occurs without significant mechanical stress. Workshops prefer this option due to the predictable service life and reduced maintenance intervals.
Selecting TRW DF4373 allows for a significant improvement in overall vehicle deceleration capability. This TRW DF4373 Brake disc set undergoes rigorous testing to confirm compliance with stringent safety standards. Professionals should ensure the hubs are cleaned of all oxidation before installation to guarantee proper seating. Contact your local trade distributor to verify compatibility for your specific vehicle application.