Audi S3 8V 2.0 TFSI CJXC Quattro Rear Axle Differential Diff 0CQ525010H WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

The Audi S3 8V 2.0 TFSI CJXC Quattro Rear Differential 0CQ525010H is an original all-wheel-drive rear differential designed for installation on the rear axle of the vehicle. This part comes from a dismantled vehicle, making it a cost-effective solution while maintaining the factory design and compatibility with the Audi S3 8V drivetrain.

Specifications and technical data

• SKU: 0CQ525010H-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 0CQ525010H
• Substitutable numbers: 0CQ525010H, 0CQ 525 010 H
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Application and Function in the Drivetrain

The presented rear differential is a component of the Quattro drivetrain, responsible for distributing torque to the rear wheels. A correctly selected and functional differential is crucial for:

• driving stability during acceleration and engine braking,
• maintaining predictable vehicle behavior on surfaces with varying grip,
• even load distribution to the drive shafts and rear wheels.

Its placement on the rear axle allows for direct integration with other Quattro drivetrain components, preserving the factory geometry and operational characteristics of the system.

Construction and Compatibility with Audi S3 8V

The Audi Rear Differential is designed as an OEM part, ensuring full compatibility with the platform and drivetrain of the Audi S3 8V with the 2.0 TFSI CJXC engine. This means:

• factory mounting points to the subframe and rear suspension,
• compatibility with original drive shafts and other drivetrain components,
• retention of the factory gear ratios specified by the manufacturer for this drivetrain variant.

As a result, the differential can be used as a replacement part during repairs or for restoring the car's original specification after modifications.

Benefits of Choosing a Used Audi Differential

Opting for a used differential from a dismantled vehicle offers a sensible compromise between cost and maintaining original construction. Compared to low-cost aftermarket alternatives, an OEM part provides:

• factory fitment with the drivetrain and suspension,
• retention of the handling characteristics intended for the S3 8V Quattro version,
• verification of compatibility based on the part number and interchangeable numbers in the technical specification.

Before purchasing, it is advisable to familiarize yourself with gear ratio selection and the compatibility of axles and differentials. This is further explained in the article: Dismantled Drive Axles and Differentials – How to Select Gear Ratios for Your Driving Style, which helps in consciously matching the part to the desired drivetrain performance.

Application in Service and Modifications

The Rear Differential for Audi S3 8V is suitable for several common service scenarios:

• repair of mechanical damage to the existing differential (noise, play, housing damage),
• restoring the original specification after unsuccessful drivetrain modifications,
• comprehensive rebuilding of the Quattro system in vehicles after accidents or intensive track use.

Due to its dedicated placement on the rear axle, installation is predictable for an experienced mechanic, without the need for structural modifications.

Other Audi Differentials and Drivetrain Development

If you are also looking for other components from the same group, it is worth checking the available Audi Differentials to select a complete solution for your project or repair. This allows for building a cohesive drivetrain based on parts from a single brand and category, simplifying future servicing and diagnostics.