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Raybestos 76451R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 76451R
The Raybestos R-Line Disc Brake Rotor 76451R is engineered for reliable braking performance on Jeep Grand Cherokee and Grand Wagoneer models. This vented, drum-in-hat type rotor is designed to meet the specific requirements of these vehicles, ensuring proper fit and function.
- Compatible with Jeep Grand Cherokee and Grand Wagoneer
- Part number 76451R for precise identification
- Vented disc brake rotor with drum-in-hat design
- Outside diameter of 11.220 inches (285.000 mm)
- Nominal thickness of 0.430 inches (10.900 mm) with discard thickness at 0.374 inches (9.500 mm)
- Overall height of 2.330 inches (59.200 mm)
- Five mounting bolt holes with a bolt circle diameter of 4.500 inches (114.300 mm)
- Center hole diameter of 2.834 inches (72.000 mm)
Detailed Product Specifications
This Raybestos R-Line rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade. The drum-in-hat configuration integrates a parking brake drum within the rotor, providing a compact and efficient solution for vehicles equipped with rear drum parking brakes. The rotor's outside diameter measures 11.220 inches, while the nominal thickness is 0.430 inches, with a discard thickness of 0.374 inches, indicating when replacement is necessary to maintain safe braking performance. The overall height of 2.330 inches ensures compatibility with the specific caliper and hub assemblies of Jeep Grand Cherokee and Grand Wagoneer models. Mounting is secured by five bolt holes arranged on a 4.500-inch bolt circle diameter, with a center hole diameter of 2.834 inches for proper hub fitment.
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components designed to meet or exceed original equipment specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require dependable braking parts for their Jeep Grand Cherokee and Grand Wagoneer vehicles. The 76451R rotor exemplifies the R-Line's commitment to quality and fitment accuracy.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing reduced braking efficiency due to rotor thickness below discard limits
- Resolving noise or vibration issues related to damaged or uneven rotors
- Upgrading to a vented rotor for improved heat dissipation in demanding driving conditions
- Ensuring proper parking brake function with integrated drum-in-hat design
Installation Notes and Tips
When installing the Raybestos R-Line 76451R rotor, ensure the mounting surface is clean and free of debris to prevent rotor runout. Verify that the rotor thickness is within nominal specifications and replace if below discard thickness. Use proper torque specifications for the five mounting bolts to secure the rotor firmly. It is recommended to inspect brake pads and hardware during installation to maintain overall braking system integrity. The drum-in-hat design requires attention to parking brake components for correct assembly.
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 76451R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.
| Brand | Raybestos |
| Part Number | 76451R |
| Position | R-Line, Rear |
| Center Hole Diameter | 2.834 |
| Center Hole Diameter | 72.000 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 0.374 |
| Discard Thickness | 9.500 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Mounting Bolt Hole Diameter | 4.500 |
| Mounting Bolt Hole Diameter | 114.300 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.430 |
| Nominal Thickness | 10.900 |
| Outside Diameter | 11.220 |
| Outside Diameter | 285.000 |
| Overall Height | 2.330 |
| Overall Height | 59.200 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Jeep | Grand Cherokee | Rear | R-Line |
| 1997 | Jeep | Grand Cherokee | Rear | R-Line |
| 1996 | Jeep | Grand Cherokee | Rear | R-Line |
| 1995 | Jeep | Grand Cherokee | Rear | R-Line |
| 1994 | Jeep | Grand Cherokee | Rear | R-Line |
| 1993 | Jeep | Grand Wagoneer | 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.