DuraGo BR900316 Disc Brake Rotor - Rear

Overview of DuraGo BR900316 Disc Brake Rotor

The DuraGo BR900316 disc brake rotor is engineered for reliable braking performance on select GM vehicles. Designed specifically for Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models, this rotor offers a solid construction to meet standard braking demands.

• Material: Durable cast iron for consistent wear resistance
• Rotor Type: Solid, conventional disc brake rotor
• Outside Diameter: 11.81 inches (300 mm)
• Nominal Thickness: 0.47 inches (12 mm)
• Mounting Bolt Holes: 5 holes with 0.56 inch (14.3 mm) diameter
• Center Hole Diameter: 2.78 inches (70.7 mm)
• Non-directional brake surface for versatile installation
• No rust-resistant coating included

Detailed Product Description

The DuraGo BR900316 rotor is constructed from full cast iron, providing a solid and durable braking surface suitable for everyday driving conditions. Its solid rotor design, without slots or cross-drilling, ensures consistent contact with brake pads and reduces the risk of premature wear. The rotor measures 11.81 inches in diameter and 0.47 inches in nominal thickness, with a discard thickness of 0.41 inches, indicating when replacement is necessary. The 5-bolt mounting pattern with a 4.53 inch (115 mm) bolt circle diameter matches factory specifications for the Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander, ensuring proper fitment and secure installation.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following GM models:

• Buick Montana
• Chevrolet Relay
• Pontiac Terraza
• Saturn Uplander

It is designed for use in conventional braking systems without ABS tone rings and fits vehicles requiring a solid, non-vented rotor.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking efficiency due to worn rotor thickness
• Noise and vibration from uneven rotor surfaces
• Overheating issues in standard driving conditions
• Replacement of damaged or scored rotors

Installation Notes and Tips

• Ensure rotor discard thickness (0.41 inches) is not exceeded before installation
• Clean rotor surface before mounting to remove any protective oils
• Check compatibility with vehicle’s mounting bolt pattern and hub dimensions
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

DuraGo manufactures the BR900316 rotor to meet OEM standards for fit and function. The full cast iron construction provides durability under normal operating conditions. While this rotor does not include a rust-resistant coating, proper maintenance can help extend service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.