Audi S4 Drivetrains

Valvoline SAE 75W-90 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our detergent package-based formulation contains Full Synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance. Protect your gears with Valvoline, the No. 1 gear oil brand.

Product Features:

• EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION , ranging from -30F to 300F degrees
• REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
• FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
• MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP HYPOID DIFFERENTIALS where APPI GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
• MEETS OR EXCEEDS THE PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Controlled heat treating process for lasting performance and extended bearing life
• Industry leading coverage
• Professional technicians know they can depend on National

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Low swell in hydrocarbon fluids
• Design type: spring loaded; multi-lip
• Provides good low temperature capability
• Temperature range: -40°F to 225°F; -40°C to 107°C
• Delivers quality and reliable performance for every type of repair

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Designed to repair damaged, grooved or worn shafts
• Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
• Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
• Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
• Easy to install with removable flange and installation tool
• Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

Axle Bolt

GKN Drivetech (Lobro) manufactures a replacement Axle Assembly that is optimized for weight, noise, vibration, harshness (NVH), steering and suspension performance.

Product Features:

• OEM Quality and a Direct fit Replacement
• Provides exceptional reliability.
• Improved space utilization through power unit and gearbox repackaging potential.
• Lighter weight provides improved fuel efficiency.
• Better driving characteristics and comfort
• Optimum power delivery for peak vehicles

Drive Axle Seal

The original drive shafts on specific vehicles have permanently staked universal joints that make servicing difficult. This Dorman OE FIX rear drive shaft makes the U-joints serviceable for simpler maintenance. Every Dorman part is backed by over 100 years of experience, along with a dedicated team of product experts, automotive engineers and technical support specialists based in the United States. We are passionate about giving repair professionals and vehicle owners greater freedom to fix cars and trucks, which is why we have more than 100,000 parts in our catalog today and promise to never stop driving new solutions.

Product Features:

• Ready to install – this drive shaft is shipped pre-assembled and factory balanced to ensure immediate smooth operation
• Simplifies repair – this replacement makes the U-joints serviceable for simpler maintenance

This drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicle.
• Ideal solution – this kit is a reliable replacement for original components that have failed due to fatigue.
• Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
• Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Low swell in hydrocarbon fluids
• Design type: spring loaded; multi-lip
• Provides good low temperature capability
• Temperature range: -40°F to 225°F; -40°C to 107°C
• Delivers quality and reliable performance for every type of repair

SPIDAN and LOBRO joint kits contain all the individual parts needed for professional repairs: joint, boot, boot circlips, tightening straps, bolts, nuts, spacers, etc. GKN axle boots are specifically developed for the various joints. Their accurate fit guarantees optimum sealing and maximum wear resistance.

Product Features:

• OEM Quality and a Direct fit Replacement
• Provides exceptional reliability.
• Lighter weight provides improved fuel efficiency.
• Better driving characteristics and comfort

Boot kits protect a joint in the car that would be destroyed by dirt, sand and other particles if left exposed, even under normal conditions so it’s important that they be properly maintained and in good condition. Rein automotive application specific inner and outer axle boot kits come complete with everything needed to do a proper installation, including OE grease and all the hardware needed for a guaranteed fit the first time.

Product Features:

• Comes with all the needed hardware for the complete repair; clamps, washers, clips, etc.
• Comes with the OE grease
• Boot manufactured with highest quality materials to prevent cracking, wear and leaking
• Matches original equipment design specifications

The Febi Axle Shaft Bolt is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

• Premium aftermarket replacement
• Provides performance and dependability
• Manufactured to meet OE specifications

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Controlled heat treating process for lasting performance and extended bearing life
• Industry leading coverage
• Professional technicians know they can depend on National

SPIDAN and LOBRO Clamps are specifically developed for the various joints – their accurate fit ensures optimum sealing of the joint. Up-to-date computerized equipment is used for the production of the clamp.

Product Features:

• For every specific application a boot kit to the OES standard
• Reliable protection against damp and dirt
• Optimum sealing and abrasion resistance
• Manufactured according to DIN EN ISO 9001:2000

CONE

Pinion Seal

Drive Axle Seal