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DuraGo BR31040 Disc Brake Rotor - Rear
Overview of DuraGo BR31040 Disc Brake Rotor
The DuraGo BR31040 is a vented disc brake rotor designed specifically for Lexus LS400 models. Crafted from durable cast iron, this rotor offers reliable braking performance and is engineered to meet the demands of your vehicle's braking system.
- Material: Cast iron for strength and heat dissipation
- Vented rotor design to improve cooling
- Drum-in-hat construction for integrated parking brake function
- Outside diameter: 11.46 inches (291 mm)
- Nominal thickness: 0.63 inches (16 mm)
- Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
- Non-directional brake surface for versatile installation
- Overall height: 2.65 inches (67.3 mm)
Detailed Product Description
The DuraGo BR31040 disc brake rotor is engineered with full cast construction using high-quality cast iron, providing a solid and durable braking surface. Its vented design enhances heat dissipation during braking, reducing the risk of brake fade under normal driving conditions. The rotor features a drum-in-hat design, which integrates the parking brake drum into the rotor itself, making it compatible with vehicles equipped with drum parking brakes like the Lexus LS400. This rotor does not include an ABS tone ring and has a non-directional braking surface, allowing for flexible installation without concern for rotor orientation.
Compatible Vehicles and Applications
This rotor is compatible with Lexus LS400 models requiring part number BR31040. It is designed to replace original equipment rotors with matching dimensions and mounting specifications, ensuring proper fit and function.
- Addresses rotor wear and thickness below discard limits (0.59 inches / 15 mm)
- Replaces warped or damaged rotors causing brake pulsation
- Restores braking performance affected by rotor surface damage
- Suitable for vehicles with drum-in-hat parking brake systems
Installation Notes and Tips
- Verify rotor dimensions and bolt pattern match your Lexus LS400 before installation
- Ensure the rotor surface is clean and free of debris prior to mounting
- Torque mounting bolts to manufacturer specifications to avoid rotor warping
- Check brake pads for wear and replace if necessary during rotor installation
- Perform a brake system test after installation to confirm proper operation
Quality Assurance and Warranty
DuraGo rotors are manufactured to meet industry standards for material quality and dimensional accuracy. While this product does not include a rust-resistant coating, proper maintenance and regular inspections can help extend rotor life. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | DuraGo |
|---|---|
| Part Number | BR31040 |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 2.36 |
| Center Hole Diameter | 60 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.59 |
| Discard Thickness | 15 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 4.5 |
| Mounting Bolt Hole Circle Diameter | 114.3 |
| Mounting Bolt Hole Diameter | 0.58 |
| Mounting Bolt Hole Diameter | 14.8 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.63 |
| Nominal Thickness | 16 |
| Outside Diameter | 11.46 |
| Outside Diameter | 291 |
| Overall Height | 2.65 |
| Overall Height | 67.3 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1992 | Lexus | LS400 | Rear | |
| 1991 | Lexus | LS400 | Rear | |
| 1990 | Lexus | LS400 | Rear |
* 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.