Audi A6 C8 A7 4K 3.0 TDI Rear Differential Diff 43:13 UEH 0G2500043E WARRANTY

Listing details

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

Audi A6 C8 A7 4K 3.0 TDI Differential Rear Axle 43:13 UEH is an original rear differential from disassembly, designed for modern Audi models with diesel engines and automatic transmissions. The component comes from the factory drivetrain, ensuring correct gearing, compatibility with vehicle electronics, and predictable car behavior in daily use.

Specifications and technical data

• SKU: 0G2500043E
• Mark: Audi
• Condition: Used
• OEM Part Number: 0G2500043E
• Substitutable numbers: 0G2500043E, 0G2 500 043 E
• Location on the vehicle: Rear
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and Application

The presented rear differential for Audi A6 C8 and A7 4K 3.0 TDI is structurally adapted to the drivetrain with a diesel engine working with an automatic transmission. Its placement on the rear axle allows for direct integration with the factory drive axle, half-shafts, and traction control and stability systems.

Selecting the correct differential with the appropriate gear ratio is crucial for:

• maintaining predictable vehicle behavior during acceleration and engine braking,
• proper cooperation with the automatic transmission and its gear shift maps,
• drivetrain stability at higher highway speeds.

Construction and Technical Characteristics

The differential belongs to the category of Differentials - Diffs, meaning it is a complete unit responsible for distributing torque to the rear axle wheels. The 43:13 gear ratio used provides a balanced compromise between acceleration dynamics and comfortable engine RPM during constant speed driving.

Key construction features of this component include:

• dedication to diesel engine drive – gear ratio characteristics tailored to the high torque of the 3.0 TDI unit,
• compatibility with automatic transmission – maintaining compliance with factory gearbox control unit settings,
• integration with the rear axle – prepared for mounting in original Audi chassis mounting points.

Benefits of Using an Original Used Differential

Choosing a used, original Audi differential allows for maintaining factory drivetrain operating parameters while reducing service costs. Compared to low-cost aftermarket alternatives, a disassembled component:

• maintains gear ratio consistency with the rest of the drivetrain,
• ensures proper cooperation with ABS/ESP systems,
• reduces the risk of mechanical and electronic compatibility issues.

If you want to better understand gear ratio selection for your driving style and the impact of the differential on the car's character, it's worth reading the article: Drive Axles and Differentials from Disassembly – How to Choose Gear Ratios for Your Driving Style.

Condition, Verification, and Purchase Value

The offered differential is a used component, sourced from a disassembled Audi vehicle. Such components are often chosen by workshops and individual users because they allow for rational cost reduction of repairs while maintaining original manufacturer specifications. More on the economics of using second-hand parts can be found in the guide: How to Save on Car Service by Opting for Used OEM Parts.

Other Differentials for Audi

If you are looking for other Differentials - Diffs for Audi, on our website you will find a wide range of drivetrain components for various models of this brand. Check available Audi Differentials - Diffs to select the component best suited to your specific engine version and drivetrain.