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Raybestos 781950PER Disc Brake Rotor - Front
Overview of Raybestos Disc Brake Rotor 781950PER
The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 781950PER is engineered for reliable braking performance on the Ram ProMaster City. Designed to meet specific fitment requirements, this rotor ensures consistent stopping power and durability for your vehicle.
- Compatible with Ram ProMaster City models
- Vented disc brake rotor for improved heat dissipation
- Overall diameter of 12.008 inches (305 mm)
- Nominal thickness of 1.102 inches (28 mm) with discard thickness at 1.004 inches (25.5 mm)
- Five mounting bolt holes with a 3.858 inch (98 mm) bolt circle diameter
- Center hole diameter of 2.323 inches (59 mm)
- Conventional rotor type with solid mounting design
Specialty - Street Performance; S-Groove Technology Line
This rotor is part of the Raybestos Specialty - Street Performance; S-Groove Technology line, which focuses on delivering enhanced braking performance for street-driven vehicles. The S-Groove design helps reduce brake fade and improves pad bite, making it suitable for drivers who demand consistent braking under varied conditions. This product line balances performance and durability, tailored for vehicles like the Ram ProMaster City that require dependable stopping power.
Detailed Product Description
The Raybestos 781950PER disc brake rotor features a vented design that promotes efficient heat dissipation, reducing the risk of brake fade during extended use. With an outside diameter of 12.008 inches and a nominal thickness of 1.102 inches, this rotor maintains structural integrity while providing optimal braking surface area. The discard thickness of 1.004 inches indicates the minimum safe thickness before replacement is necessary, ensuring safety and performance standards are met. The rotor includes five mounting bolt holes arranged on a 3.858 inch bolt circle diameter, compatible with the Ram ProMaster City's hub assembly. The center hole diameter of 2.323 inches ensures proper fitment and alignment during installation.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Ram ProMaster City vehicles
- Addresses brake fade caused by overheating during heavy use
- Resolves vibration or pulsation issues due to rotor thickness variation
- Improves braking consistency and pedal feel
- Suitable for street performance upgrades requiring reliable rotor technology
Installation Notes and Tips
- Verify rotor dimensions and bolt pattern compatibility with your Ram ProMaster City before installation
- Inspect brake pads and hardware for wear and replace as necessary to ensure optimal performance
- Clean rotor surface with brake cleaner to remove any protective coatings before installation
- Torque mounting bolts to manufacturer specifications to avoid rotor warping
- Perform a bed-in procedure after installation to maximize rotor and pad performance
Quality Assurance and Warranty
Raybestos disc brake rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 781950PER rotor undergoes rigorous quality control processes to maintain consistent thickness and structural integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 781950PER |
| Position | Specialty - Street Performance; S-Groove Technology, Front |
| Center Hole Diameter | 2.323 |
| Center Hole Diameter | 59.000 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 1.004 |
| Discard Thickness | 25.500 |
| Mounting Bolt Hole Circle Diameter | 3.858 |
| Mounting Bolt Hole Circle Diameter | 98.000 |
| Mounting Bolt Hole Diameter | 0.517 |
| Mounting Bolt Hole Diameter | 13.150 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.102 |
| Nominal Thickness | 28.000 |
| Outside Diameter | 12.008 |
| Outside Diameter | 305.000 |
| Overall Height | 1.802 |
| Overall Height | 45.800 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2022 | Ram | ProMaster City | Front | Raybestos Specialty - Street Performance |
| 2021 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2020 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2019 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2018 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2017 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2016 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
| 2015 | Ram | ProMaster City | Front | Specialty - Street Performance; S-Groove Technology |
* 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.