Audi Volkswagen Seat Skoda Drive Axle Output Shaft Bolts Pair 02J409359

Audi Volkswagen Seat Skoda Flange Shaft Hex Bolts are precision mounting components designed for manual transmission drivetrains. The use of hex bolts in the shaft flange allows for a stable mechanical connection, reduced play, and proper torque transfer within the differential assembly. This product originates from the Audi group, ensuring dimensional compatibility with factory solutions used in VAG vehicles.

Specifications and technical data

• SKU: 02J409359
• Mark: Audi
• Condition: Used
• OEM Part Number: 02J409359
• Substitutable numbers: 02J409359, 02J 409 359
• Gearbox type: Manual
• Category: Differential Rebuild Kits

Purpose and Function in the Drivetrain

Flange shaft hex bolts are responsible for the durable connection of components within the differential and driveshaft of Audi, Volkswagen, Seat, and Skoda vehicles. In vehicles with a manual transmission, the correct tightening and selection of these bolts are crucial for:

• maintaining the alignment of the shaft-to-differential connection,
• reducing vibrations and noise in the drivetrain,
• preserving the appropriate connection stiffness under variable loads.

This component is part of the service area related to differential repair and refurbishment, making it a perfect fit for applications typical of the Differential Repair Kits category.

If you are assembling parts for differential repair or refurbishment, it's worth exploring the full range in this product group: check available differential repair components.

Construction and Technical Characteristics

Flange shaft hex bolts are designed as mounting components with precisely selected thread parameters, length, and head shape to work with factory sockets in the shaft flange and differential. The use of a hex head enables:

• secure transfer of tightening torque using standard hex keys,
• reduced risk of head damage with correct installation procedures,
• compact installation in the limited working space of the drivetrain.

These bolts come from the group's original mounting system, which promotes proper fit with the shaft flange and adherence to factory assembly tolerances.

Application in VAG Group Vehicles

Audi Volkswagen Seat Skoda Flange Shaft Hex Bolts are intended for VAG group vehicles equipped with manual transmissions and appropriate differential types. In practice, this means they can be used for:

• servicing and replacing shaft flange mounting components,
• differential refurbishment after driveshaft removal,
• periodic inspections requiring re-tightening or replacement of worn bolts.

Selecting the correct mounting bolts is essential for maintaining drivetrain safety and avoiding unwanted play in the flange-to-differential connection.

Condition, Origin, and Benefits of Use

The offered set comes from the Audi parts line and is a used component, allowing for economical repair while maintaining compliance with factory specifications. Compared to low-quality aftermarket alternatives, using original flange shaft hex bolts translates to:

• better fit with existing mounting sockets,
• consistency with factory service procedures,
• reduced risk of tightening or future disassembly issues.

This solution is particularly recommended for comprehensive differential work where maintaining the integrity of all mounting components is important.

Technical Support and Service Knowledge

When planning differential or complete drivetrain repairs, it's advisable to rely on proven procedures and reliable knowledge. To better prepare for assessing the differential's condition and selecting parts, you can use the guide: read what to look for when buying used differentials and drive components.

Additionally, if you are interested in a broader context of drivetrain servicing and selecting compatible components, consult our compendium: check practical tips for diagnosing and repairing drivetrains. This will help you better assess when replacing shaft flange bolts is justified and how to perform the installation correctly.