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Raybestos 8523 Disc Brake Rotor - Front or Rear
Raybestos Specialty - Truck Disc Brake Rotor Overview
The Raybestos Specialty - Truck Disc Brake Rotor part number 8523 is engineered for heavy-duty truck applications requiring reliable braking performance. This vented, conventional rotor is designed to meet the demands of trucks needing durable and efficient brake components.
- Vented disc brake rotor for improved heat dissipation
- Overall height of 3.505 inches (89.050 mm) ensures proper fitment
- Outside diameter of 15.000 inches (381.000 mm) suitable for heavy truck brake systems
- Mounting bolt hole quantity: 6 with a bolt hole diameter of 0.760 inches (19.300 mm)
- Nominal thickness of 1.440 inches (36.600 mm) with discard thickness at 1.320 inches (33.550 mm)
- Center hole diameter of 5.400 inches (137.150 mm) for accurate hub alignment
- Conventional rotor type compatible with drum-in-hat brake setups
Specialty - Truck Product Line Details
The Raybestos Specialty - Truck line focuses on brake components tailored for truck applications, emphasizing durability and performance under heavy loads. This product line includes rotors designed to handle the thermal and mechanical stresses typical in truck braking systems, making part number 8523 a suitable choice for maintaining braking efficiency and safety.
Technical Specifications and Features
This disc brake rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade in demanding conditions. The rotor's nominal thickness of 1.440 inches (36.600 mm) and discard thickness of 1.320 inches (33.550 mm) provide clear service limits for maintenance. With six mounting bolt holes and a mounting bolt hole circle diameter of 6.750 inches (171.450 mm), it ensures secure attachment to compatible truck hubs. The overall height and center hole diameter are engineered for precise fitment in conventional drum-in-hat brake systems.
Compatible Applications and Problem Solving
- Replacement for worn or warped rotors on heavy-duty trucks
- Addresses brake fade caused by overheating during extended braking
- Resolves vibration or pulsation issues linked to rotor thickness variations
- Suitable for trucks requiring vented rotors for enhanced heat dissipation
- Compatible with vehicles needing conventional drum-in-hat type rotors
Installation Notes and Tips
Ensure the rotor surface is clean and free of debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle hub specifications. Measure rotor thickness to confirm it meets or exceeds the discard thickness of 1.320 inches (33.550 mm). Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.
Quality Assurance and Warranty
Raybestos disc brake rotors undergo rigorous quality control to meet industry standards for durability and performance. While specific warranty details for part number 8523 are not provided, Raybestos products typically come with manufacturer-backed warranties covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 8523 |
| Discard Thickness | 1.320 |
| Discard Thickness | 33.550 |
| Nominal Thickness | 1.440 |
| Nominal Thickness | 36.600 |
| Overall Height | 3.505 |
| Overall Height | 89.050 |
| Outside Diameter | 15.000 |
| Outside Diameter | 381.000 |
| Mounting Bolt Hole Quantity | 6 |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 137.150 |
| Center Hole Diameter | 5.400 |
| Mounting Bolt Hole Circle Diameter | 171.450 |
| Mounting Bolt Hole Circle Diameter | 6.750 |
| Mounting Bolt Hole Diameter | 0.760 |
| Mounting Bolt Hole Diameter | 19.300 |
| Stud/Lug Hole Quantity | 6 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.