2009 Audi A4 Quattro Front Wheel Bearings

Carquest Premium hub assemblies have been rigorously quality tested to ensure they meet Original Equipment (O.E.) specifications and provide the same reliability and durability expected from OE parts. All Carquest Premium hub assemblies are coated with an obsidian e-coating that protects the hub from rust and corrosion. Our stringent manufacturing processes and high-quality components allow us to stand behind our Carquest Premium hub assemblies with an industry-leading warranty.

Product Features:

• Engineered for OE fit, form and function
• Fully coated with an obsidian e-coating for enhanced rust and corrosion prevention
• High-quality steel and surface treatments for proper fit and endurance
• Roll-form bearing design applies exact preload for increased durability (where applicable)
• Bearings and seals are engineered to the requirements of each specific vehicle application
• Superior ABS sensors with matching signal and enhanced cord insulation for durability (where applicable)

Backed by superior materials and rigorous testing, MOOG hub assemblies deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

• EXTENDED SERVICE LIFE — Application-specific advanced raceway design reduces stress, rotation and heat on components
• EASY TO INSTALL — Engineered and designed for fast, hassle-free installation
• RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
• Application specific design

Product Features:

• Precision Matched Components: Rigorously controlled manufacturing processes ensure exact matching of bearing raceways and rolling elements to consistently deliver superior performance and minimize noise and vibration.
• Engineered to overcome problems and deliver smooth, reliable performance.
• MOOG hub assemblies are performance proven, quality tested and are available for a broad range of foreign and domestic vehicles.
• Application specific design
• Application specific design

Application-Specific Engineering Design to ensure the correct fit, function and high performance of the wheel bearing. BCA supplies premium replacement bearings that meet or exceed the OE specifications. Premium Quality Materials are used for forged steel rings, seals, precision cages, rolling elements and premium grease, to ensure that our customers receive a robust, durable product. Seals are customized for each BCA hub based on application-specific materials and design requirements to minimize the chance of contamination and maximize bearing life. Precision Cage on BCA bearings are designed to keep the rolling elements of the bearing spaced correctly. The cages undergo design verification and production validation testing to ensure high quality. Pre-Lubrication of all BCA wheel bearings with premium grease for your convenience. This is a major advantage so you do not have to worry about grease or seal application.

Product Features:

• Wheel bearing kits include required components for complete bearing replacement
• Cups, cones, and rollers are made from casehardened alloy steel of Bearing Quality to provide superior fatigue life and reliability
• Micro-pitting surface finish increases bearing life in applications with insufficient lubrication
• Austenite strengthening process (AS) is a special heat treatment applied to the rolling elements
• For wheel bearings, BCA utilizes Forged Steel in the inner and outer rings that meets our stringent steel quality specifications to optimize bearing life.
• For taper bearings, BCA utilizes Case Carburized Steel for heavy duty shock loads and longer life.
• BCA is recognized as the leading manufacturer of case carburized taper bearings.

FAG is a supplier of original equipment wheel bearings, hubs and seals to major automobile manufacturers and 1st/2nd tier suppliers throughout the world. All FAG wheel bearings are maintenance free and have been designed for the entire life of the vehicle.

Product Features:

• Original Equipment Quality
• Maintenance free
• Premium modified bearing steel