HomeRaybestos 781950PER Disc Brake Rotor - Front
Part #: 781950PER

Raybestos 781950PER Disc Brake Rotor - Front

Specialty - Street Performance; S-Groove Technology, Front
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$150.89Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Specialty - Street Performance; S-Groove Technology, Front
Fitment: Ram, ProMaster City
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandRaybestos
Part Number781950PER
PositionSpecialty - Street Performance; S-Groove Technology, Front
Center Hole Diameter2.323
Center Hole Diameter59.000
Conventional Or Drum-In-Hat Type RotorConventional
Discard Thickness1.004
Discard Thickness25.500
Mounting Bolt Hole Circle Diameter3.858
Mounting Bolt Hole Circle Diameter98.000
Mounting Bolt Hole Diameter0.517
Mounting Bolt Hole Diameter13.150
Mounting Bolt Hole Quantity5
Nominal Thickness1.102
Nominal Thickness28.000
Outside Diameter12.008
Outside Diameter305.000
Overall Height1.802
Overall Height45.800
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity5

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2022RamProMaster CityFrontRaybestos Specialty - Street Performance
2021RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2020RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2019RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2018RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2017RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2016RamProMaster CityFrontSpecialty - Street Performance; S-Groove Technology
2015RamProMaster CityFrontSpecialty - 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:

121.630972144DL721802RGSBR901612YH528665P

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