OE Quality
60-Day Returns

Raybestos 6040R Disc Brake Rotor and Hub Assembly - Front
Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly
The Raybestos R-Line 6040R disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford, Lincoln, and Mercury vehicles. Designed to meet precise specifications, this assembly ensures proper fit and function for models such as the Ford Thunderbird and Lincoln Continental.
- Part Number: 6040R
- Brand Line: Raybestos R-Line
- Mounting Bolt Hole Quantity: 5
- Mounting Bolt Hole Circle Diameter: 127.0 mm
- Mounting Bolt Hole Diameter: 15.25 mm
- Stud/Lug Hole Quantity: 5
- Nominal Thickness: 30.1 mm (1.185 inches)
- Discard Thickness: 28.45 mm (1.120 inches)
Detailed Product Specifications and Features
This disc brake rotor and hub assembly features a nominal thickness of 30.1 mm (1.185 inches) and a discard thickness of 28.45 mm (1.120 inches), ensuring optimal rotor life and safety margins. The assembly includes five mounting bolt holes arranged on a 127 mm bolt circle diameter, with each hole measuring 15.25 mm in diameter. Additionally, it accommodates five stud/lug holes, providing secure attachment to the vehicle hub. These precise measurements are critical for maintaining proper brake rotor alignment and hub stability on compatible vehicles.
Raybestos R-Line Product Line Information
The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line is designed for professional repair shops and experienced DIYers who require consistent quality and fitment. The 6040R rotor and hub assembly exemplifies the R-Line’s commitment to precision engineering and durability for vehicles like the Ford Grand Marquis and Mercury Cougar.
Compatible Vehicles and Common Applications
- Ford Colony Park
- Ford Continental
- Mercury Cougar
- Ford Grand Marquis
- Ford LTD
- Mercury Marquis
- Ford Montego
- Ford Thunderbird
This assembly is suitable for brake system repairs involving rotor wear, vibration, or hub damage on these specific models.
Installation Notes and Tips
- Verify bolt hole pattern and rotor thickness before installation.
- Ensure mounting surfaces are clean and free of debris for proper fit.
- Torque mounting bolts to manufacturer specifications to avoid warping.
- Inspect wheel studs and lug nuts for wear during installation.
- Check brake caliper clearance with the new rotor and hub assembly.
Quality Assurance and Warranty
Raybestos R-Line brake components are manufactured to meet strict quality standards. While specific warranty details for part number 6040R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This ensures confidence in the durability and performance of the disc brake rotor and hub assembly for your Ford, Lincoln, or Mercury vehicle.
| Brand | Raybestos |
|---|---|
| Part Number | 6040R |
| Position | R-Line, Front |
| Discard Thickness | 1.120 |
| Discard Thickness | 28.450 |
| Mounting Bolt Hole Circle Diameter | 5.000 |
| Mounting Bolt Hole Circle Diameter | 127.000 |
| Mounting Bolt Hole Diameter | 0.600 |
| Mounting Bolt Hole Diameter | 15.250 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.185 |
| Nominal Thickness | 30.100 |
| Stud/Lug Hole Quantity | 5 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1979 | Lincoln | Continental | Front | R-Line | |
| 1979 | Mercury | Cougar | Front | with 11-13/16in Diameter Rotor; R-Line | |
| 1978 | Ford | LTD | Front | R-Line | |
| 1978 | Lincoln | Continental | Front | R-Line | |
| 1978 | Mercury | Cougar | Front | with 11-13/16in Diameter Rotor; R-Line | |
| 1978 | Mercury | Grand Marquis | Front | R-Line | |
| 1978 | Mercury | Marquis | Front | R-Line | |
| 1977 | Ford | LTD | Front | R-Line | |
| 1977 | Lincoln | Continental | Front | R-Line | |
| 1977 | Mercury | Cougar | Front | with 11-13/16in Diameter Rotor; R-Line | |
| 1977 | Mercury | Grand Marquis | Front | R-Line | |
| 1977 | Mercury | Marquis | Front | R-Line | |
| 1976 | Ford | LTD | Front | R-Line | |
| 1976 | Ford | Thunderbird | Front | R-Line | |
| 1976 | Lincoln | Continental | Front | R-Line | |
| 1976 | Mercury | Cougar | Front | with 11-13/16in Diameter Rotor; R-Line | |
| 1976 | Mercury | Grand Marquis | Front | R-Line | |
| 1976 | Mercury | Marquis | Front | R-Line | |
| 1976 | Mercury | Montego | Base | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1976 | Mercury | Montego | MX | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1976 | Mercury | Montego | MX Brougham | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1975 | Ford | LTD | Front | R-Line | |
| 1975 | Ford | Thunderbird | Front | R-Line | |
| 1975 | Lincoln | Continental | Front | R-Line | |
| 1975 | Mercury | Grand Marquis | Front | R-Line | |
| 1975 | Mercury | Marquis | Front | R-Line | |
| 1975 | Mercury | Montego | Front | with 11-13/16in Diameter Rotor; R-Line | |
| 1974 | Ford | LTD | Front | R-Line | |
| 1974 | Ford | Thunderbird | Front | R-Line | |
| 1974 | Lincoln | Continental | Front | R-Line | |
| 1974 | Mercury | Colony Park | Front | R-Line | |
| 1974 | Mercury | Marquis | Front | R-Line | |
| 1974 | Mercury | Montego | Base | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1974 | Mercury | Montego | Villager | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1974 | Mercury | Montego | MX | Front | with 11-13/16in Diameter Rotor; R-Line |
| 1974 | Mercury | Montego | MX Brougham | Front | with 11-13/16in Diameter Rotor; 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.