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Raybestos 681939R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 681939R
The Raybestos R-Line Disc Brake Rotor 681939R is engineered for reliable braking performance on Ford Transit models. Designed specifically for the Transit-150, Transit-250, Transit-350, and Transit-350 HD, this rotor meets precise specifications to ensure proper fit and function.
- Compatible with Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
- Part number 681939R for accurate identification
- Solid disc brake rotor with smooth surface finish
- Overall diameter of 12.126 inches (308 mm) and thickness specifications for durability
- Five mounting bolt holes with 0.472 inch diameter and 5.906 inch bolt circle diameter
Key Specifications and Features
This disc brake rotor features a solid design with a smooth surface type, providing consistent braking response. The nominal thickness measures 0.710 inches (18.05 mm), with a discard thickness of 0.590 inches (15.0 mm), indicating when replacement is necessary. The rotor's inside diameter is 7.874 inches (200 mm), and the overall height is 1.008 inches (25.6 mm). It includes five mounting bolt holes with a bolt thread pitch of 0.049 inches (1.25 mm), ensuring secure installation.
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet OEM specifications. This line emphasizes quality materials and precise manufacturing tolerances, making it suitable for commercial vehicles like the Ford Transit series. The 681939R rotor exemplifies the R-Line's commitment to durability and consistent braking performance under demanding conditions.
Applications and Problem Solving
- Replacement for worn or warped rotors on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
- Addresses brake pulsation caused by uneven rotor surfaces
- Restores proper rotor thickness to maintain braking efficiency
- Eliminates noise and vibration related to damaged rotors
- Ensures safe stopping power for commercial and passenger use
Installation Notes and Tips
When installing the Raybestos R-Line 681939R rotor, ensure the mounting surface is clean and free of debris. Verify the rotor thickness before installation to confirm it meets nominal specifications. Use the correct torque settings for the five mounting bolts to avoid distortion. It is recommended to replace brake pads simultaneously to optimize braking performance.
Quality Assurance and Warranty
Raybestos manufactures the R-Line rotors to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 681939R should be confirmed with the supplier, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 681939R |
| Position | R-Line, Rear |
| Bolt Thread Pitch | 0.049 |
| Bolt Thread Pitch | 1.250 |
| Center Hole Diameter | 4.803 |
| Center Hole Diameter | 122.000 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.590 |
| Discard Thickness | 15.000 |
| Inside Diameter | 7.874 |
| Inside Diameter | 200.000 |
| Mounting Bolt Hole Circle Diameter | 5.906 |
| Mounting Bolt Hole Circle Diameter | 150.000 |
| Mounting Bolt Hole Diameter | 0.472 |
| Mounting Bolt Hole Diameter | 12.000 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.710 |
| Nominal Thickness | 18.050 |
| Outside Diameter | 12.126 |
| Outside Diameter | 308.000 |
| Overall Height | 1.008 |
| Overall Height | 25.600 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
This part fits 42 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Ford | Transit-150 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2025 | Ford | Transit-250 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2025 | Ford | Transit-350 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2025 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2024 | Ford | Transit-150 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2024 | Ford | Transit-250 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2024 | Ford | Transit-350 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2024 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2023 | Ford | Transit-150 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2023 | Ford | Transit-250 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2023 | Ford | Transit-350 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2023 | Ford | Transit-350 HD | Rear | Except Heavy Duty Front Axle; Raybestos R-Line |
| 2022 | Ford | Transit-150 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2022 | Ford | Transit-250 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2022 | Ford | Transit-350 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2022 | Ford | Transit-350 HD | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2021 | Ford | Transit-150 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2021 | Ford | Transit-250 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2021 | Ford | Transit-350 | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2021 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2020 | Ford | Transit-150 | Rear | 5 Lugs; R-Line |
| 2020 | Ford | Transit-250 | Rear | 5 Lugs; R-Line |
| 2020 | Ford | Transit-350 | Rear | 5 Lugs; R-Line |
| 2020 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2019 | Ford | Transit-150 | Rear | R-Line |
| 2019 | Ford | Transit-250 | Rear | R-Line |
| 2019 | Ford | Transit-350 | Rear | R-Line |
| 2019 | Ford | Transit-350 HD | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2018 | Ford | Transit-150 | Rear | R-Line |
| 2018 | Ford | Transit-250 | Rear | R-Line |
| 2018 | Ford | Transit-350 | Rear | R-Line |
| 2018 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2017 | Ford | Transit-150 | Rear | R-Line |
| 2017 | Ford | Transit-250 | Rear | R-Line |
| 2017 | Ford | Transit-350 | Rear | R-Line |
| 2017 | Ford | Transit-350 HD | Rear | with Single Rear Wheels (SRW); Raybestos R-Line |
| 2016 | Ford | Transit-150 | Rear | R-Line |
| 2016 | Ford | Transit-250 | Rear | R-Line |
| 2016 | Ford | Transit-350 | Rear | R-Line |
| 2015 | Ford | Transit-150 | Rear | R-Line |
| 2015 | Ford | Transit-250 | Rear | R-Line |
| 2015 | Ford | Transit-350 | Rear | R-Line |
* 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.