DBA 4000 Series T-Slot Uni-Directional Slotted Front Rotor

1991–1994 Nissan Sentra

Part #: DBA4901S

Overview

The DBA 4000 Series T-Slot Uni-Directional Slotted Front Rotor is a high-performance brake component designed to enhance the stopping power and heat dissipation of your Nissan Sentra from 1991 to 1994. Engineered for enthusiasts who demand reliable braking under spirited driving conditions, this rotor offers improved braking response and durability. Whether you're upgrading for better street performance or track days, this rotor helps support consistent, fade-free braking performance.

Constructed with precision and quality, the DBA 4000 Series rotor is ideal for drivers seeking a balance of performance, longevity, and value. Its unique design ensures optimal heat management, reducing the risk of brake fade during aggressive driving or heavy braking scenarios. This rotor is a perfect upgrade for those looking to improve their vehicle's braking system without compromising daily drivability.

Key Features

The DBA 4000 Series T-Slot Uni-Directional Slotted Rotor incorporates several advanced features to deliver superior braking performance:

• Constructed from high-quality cast iron for excellent durability and thermal stability, ensuring long-lasting performance even under demanding conditions.
• Designed with T-Slot patterns that help evacuate gases, dust, and water from the brake pad surface, maintaining consistent contact and reducing brake fade.
• Uni-directional slot pattern optimized for maximum heat dissipation and improved pad bite, providing better initial response and modulation.
• Slotted design enhances brake pad cleaning, reducing glazing and maintaining optimal friction levels for consistent braking feel.
• Precision-machined to strict tolerances for perfect fitment and smooth operation, reducing vibrations and noise during braking.
• Suitable for street and light track use, offering a significant upgrade over standard OEM rotors in terms of heat management and braking consistency.
• Part of DBA's 4000 Series, known for quality and performance, making it a trusted choice among automotive enthusiasts and professional racers alike.
• Designed to be compatible with your existing brake calipers and hardware, ensuring straightforward installation.
• Backed by DBA's reputation for manufacturing excellence and rigorous quality control standards.

Construction & Design

The DBA 4000 Series rotors are crafted from premium cast iron, selected for its excellent heat resistance and durability. The rotors feature a T-Slot pattern that is carefully engineered to maximize heat dissipation and debris removal, which helps maintain consistent braking performance during extended use. The uni-directional slot design is optimized for specific driving conditions, providing enhanced pad contact and reducing the likelihood of uneven pad wear.

Manufactured with precision machining, these rotors boast a smooth, flat surface that ensures optimal pad contact and minimizes vibrations. The slots are machined with high accuracy to ensure they do not weaken the rotor structure, maintaining strength and integrity under high-stress conditions. The overall design emphasizes longevity, heat management, and consistent braking feel, making these rotors a reliable upgrade for your Nissan Sentra.

Performance & Sound

While specific horsepower or torque gains are not provided, the DBA 4000 Series rotors are designed to improve overall braking performance by reducing heat buildup and maintaining consistent friction levels. The slotted pattern helps prevent brake fade during aggressive driving, ensuring your vehicle responds reliably when you need it most. The design also contributes to a more responsive pedal feel and improved modulation, giving you greater control during spirited driving or emergency stops.

These rotors are engineered to operate quietly and smoothly, with minimal noise or vibration, thanks to their precision machining and balanced construction. They are an excellent choice for drivers seeking a performance upgrade that enhances safety and confidence behind the wheel.

Installation & Fitment

The DBA 4000 Series T-Slot Uni-Directional Slotted Front Rotor is a direct bolt-on replacement for the factory front rotors on your Nissan Sentra from 1991 to 1994. Installation is straightforward for those familiar with brake system upgrades, requiring only standard tools and procedures. No cutting, drilling, or modifications are necessary, and the rotor is designed to fit perfectly with your existing calipers and hardware.

For optimal performance, it is recommended to replace brake pads simultaneously and inspect the entire braking system for wear. Proper bedding-in procedures should be followed to maximize rotor and pad life and performance.

What's Included

• One pair of DBA 4000 Series T-Slot Uni-Directional Slotted Front Rotors for Nissan Sentra (1991–1994)
• Mounting hardware and instructions (if applicable)

Ideal For

• Enthusiasts seeking improved braking performance and heat management
• Street drivers who demand reliable, fade-free braking during spirited driving
• Light track day use or performance upgrades for daily drivers
• Owners looking to replace worn or warped factory rotors with high-quality aftermarket components