What is the Kangaroo Paw ventilation system?

The Kangaroo Paw ventilation is a patented design by DBA that uses 144 diamond and teardrop-shaped pillars inside the rotor. This design increases surface area and improves cooling efficiency by up to 20% compared to traditional straight-vane rotors, helping to prevent overheating.

What does Thermal Stability Profiling do?

Thermal Stability Profiling is a heat treatment process that DBA applies to their rotors. It helps to increase the rotor's ability to handle increased stress and heat, making it more resistant to warping during intense braking applications.

Does this rotor come with hardware?

This product listing is for the brake rotor only. Installation hardware, such as lug nuts or brake pads, is typically sold separately and should be checked for compatibility.

DBA 01-07 Chevrolet Silverado 1500 HD Rear 4000 Series Plain Rotor

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Specifications

Brand: DBA
Part #: DBA42049
UPC: 9316391345790

DBA 01-07 Chevrolet Silverado 1500 HD Rear 4000 Series Plain Rotor

Name: DBA 01-07 Chevrolet Silverado 1500 HD Rear 4000 Series Plain Rotor
Brand: DBA
Price: 264.51 USD
Availability: InStock

$264.51

On Backorder

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DBA 01-07 Chevrolet Silverado 1500 HD Rear 4000 Series Plain Rotor. Offers improved cooling and durability for heavy-duty trucks.

Key Features

Fits 2001-2007 Chevrolet Silverado 1500 HD and many other Chevrolet, GMC, and Hummer vehicles.
Cast from XG-150 high carbon alloyed iron for increased strength and heat resistance.
Features DBA's patented Kangaroo Paw ventilation for up to 20% improved cooling efficiency.
Undergoes Thermal Stability Profiling to help prevent warping under stress.
Smooth, OE-style rotor finish for a clean appearance.
Designed for heavy-duty applications where increased braking stress and heat are common.

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Will this fit your vehicle?

Product Details

If you're working on a heavy-duty Chevrolet or GMC truck from the early 2000s, like a 2005 Chevrolet Silverado 1500 HD or a 2003 Chevrolet Avalanche 2500, and need new rear brake rotors, this DBA 4000 Series HD rotor is a solid option. It's designed to handle the extra stress and heat that comes with larger trucks and more demanding braking situations, offering a step up from standard OE replacements.

DBA casts these rotors from XG-150 high carbon alloyed iron, which is a well-built material that can take more abuse. They also put them through a process called Thermal Stability Profiling to help them resist warping under heat. What's really notable is the Kangaroo Paw ventilation system. Instead of just straight vanes, it uses 144 diamond and teardrop-shaped pillars inside the rotor. This design increases the surface area and improves cooling by up to 20% compared to typical straight-vane rotors, which helps keep them from overheating during heavy use.

This particular rotor has a smooth, OE-style finish, making it a popular choice for drivers who want the performance benefits of the 4000 Series but prefer the look of a standard rotor, especially for controlled race divisions or just a clean appearance. It's a well-made part that's built to last and perform when you need it to.