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Raybestos 580373R Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Buick, Chevrolet, Pontiac, and Saturn
The Raybestos R-Line 580373R disc brake rotor is engineered for precise fitment and consistent braking performance on select Buick, Chevrolet, Pontiac, and Saturn models. Designed as a solid rotor, it meets the specifications required for vehicles like the Montana, Relay, Terraza, and Uplander.
- Solid disc brake rotor with 6 mounting bolt holes
- Outside diameter of 11.815 inches (300.1 mm)
- Nominal thickness of 0.472 inches (12.0 mm) and discard thickness of 0.413 inches (10.5 mm)
- Overall height of 1.370 inches (34.8 mm)
- Center hole diameter of 2.782 inches (70.65 mm)
- Mounting bolt hole circle diameter of 4.528 inches (115.0 mm)
- Compatible with 6 stud/lug hole configurations
Raybestos R-Line Product Line Overview
The R-Line by Raybestos offers a range of brake components designed to meet original equipment specifications. This product line focuses on delivering reliable, conventional rotors that maintain proper thickness and dimensions for consistent braking performance. The 580373R rotor exemplifies the R-Line’s commitment to quality and fitment accuracy for vehicles requiring solid rotors.
Detailed Product Description and Specifications
The Raybestos R-Line 580373R disc brake rotor is a solid type rotor with a conventional design, suitable for vehicles that require a robust and straightforward braking component. It features a nominal thickness of 0.472 inches (12.0 mm) and a discard thickness of 0.413 inches (10.5 mm), ensuring safe replacement intervals. The rotor’s outside diameter measures 11.815 inches (300.1 mm), and it has an overall height of 1.370 inches (34.8 mm). The mounting bolt hole circle diameter is 4.528 inches (115.0 mm) with six mounting bolt holes and six stud/lug holes, providing secure attachment to the hub assembly. The center hole diameter is 2.782 inches (70.65 mm), matching the hub specifications of compatible vehicles.
Compatible Vehicles and Common Applications
- Buick Montana brake rotor replacement
- Chevrolet Relay disc brake rotor upgrade
- Pontiac Terraza brake system maintenance
- Saturn Uplander rotor replacement
- Addressing rotor wear, thickness below discard limits, and brake pulsation issues
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness before installation
- Clean mounting surfaces to prevent rotor runout
- Torque mounting bolts to manufacturer specifications
- Inspect brake pads and hardware during rotor replacement
- Perform a test drive to verify braking performance after installation
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 580373R rotor undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the product’s durability and performance.
| Brand | Raybestos |
|---|---|
| Part Number | 580373R |
| Position | R-Line, Rear |
| Center Hole Diameter | 2.782 |
| Center Hole Diameter | 70.650 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.413 |
| Discard Thickness | 10.500 |
| Mounting Bolt Hole Circle Diameter | 4.528 |
| Mounting Bolt Hole Circle Diameter | 115.000 |
| Mounting Bolt Hole Diameter | 0.557 |
| Mounting Bolt Hole Diameter | 14.150 |
| Mounting Bolt Hole Quantity | 6 |
| Nominal Thickness | 0.472 |
| Nominal Thickness | 12.000 |
| Outside Diameter | 11.815 |
| Outside Diameter | 300.100 |
| Overall Height | 1.370 |
| Overall Height | 34.800 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 6 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | Rear | R-Line | |
| 2009 | Pontiac | Montana | Rear | R-Line | |
| 2008 | Chevrolet | Uplander | Rear | R-Line | |
| 2008 | Pontiac | Montana | Rear | R-Line | |
| 2007 | Buick | Terraza | Rear | R-Line | |
| 2007 | Chevrolet | Uplander | Rear | R-Line | |
| 2007 | Pontiac | Montana | Rear | R-Line | |
| 2007 | Saturn | Relay | Rear | R-Line | |
| 2006 | Buick | Terraza | FWD | Rear | w/ FE1 Soft Ride Suspension; w/ Sport Suspension (FE3); with FE2 RIDE AND HANDLING Suspension; R-Line |
| 2006 | Chevrolet | Uplander | FWD | Rear | R-Line |
| 2006 | Pontiac | Montana | FWD | Rear | R-Line |
| 2006 | Saturn | Relay | Rear | w/ FE1, FE2 Or FE3 Suspension; 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.