Audi A4 B8 A5 8T Q5 8R Diesel Engine Oil Pump 03G103295AN

Audi A4 B8 A5 8T Q5 8R Diesel Engine Oil Pump is an original component from the Oil pumps and parts group, designed for Audi diesel engines. This used OEM part ensures factory-fitment for the powertrain, stable lubrication, and predictable operation of the oil system during daily use.

Specifications and technical data

• SKU: 03G115105G
• Mark: Audi
• Condition: Used
• OEM Part Number: 03G115105G
• Substitutable numbers: 03G115105G, 03G 115 105 G
• Fuel type: Diesel
• Part type: Oil Pump
• Category: Oil Pumps & Parts

Purpose and compatibility

The presented oil pump is designed for use in Audi A4 B8, A5 8T, and Q5 8R models with Diesel engines. This means that its design, efficiency, and operating characteristics are adapted to the loads typical for diesel units – both in urban conditions and on the highway.

As an OEM family component, the pump works with the factory lubrication system, oil channels, and oil pan of these models, which facilitates installation and reduces the risk of oil pressure issues after replacement.

Technical and functional characteristics

The oil pump is responsible for maintaining the appropriate pressure and flow of the lubricant throughout the engine, which has a direct impact on the durability of the bearings, crankshaft, timing system, and cylinder head components. For Audi diesel units, the following are particularly important:

• stable oil pressure across the full RPM range,
• efficient operation under high thermal loads,
• proper compatibility with the oil filtration system.

By maintaining factory geometry and flow parameters, the use of an original oil pump helps reduce the risk of engine seizure, excessive wear of moving parts, and pressure drops when the oil is hot.

Using a pre-owned oil pump in service

A used Audi oil pump is a solution often chosen by professional workshops when it is necessary to replace a component while controlling repair costs. Compared to aftermarket replacements of unknown origin, an original salvaged component maintains:

• factory fitment to the engine block and pump drive system,
• compliance with the operating parameters of the diesel unit,
• consistency with the manufacturer's service documentation.

This approach allows for an economical repair while maintaining the predictable properties of the lubrication system, which is particularly important in heavily used Audi A4, A5, and Q5 vehicles.

Benefits of choosing original salvaged parts

Using original, used powertrain and braking system components is a proven method to reduce service costs without compromising safety and the proper operation of the subassemblies. If you want to better understand how to properly select salvaged parts and control your repair budget, it is worth checking out our guide: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven salvaged parts.

Expanding the lubrication system in Audi

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as pump housings, drives, or additional lubrication system modules, check out the available parts in the Audi oil pumps and parts category.

Summary

Audi A4 B8 A5 8T Q5 8R Diesel Engine Oil Pump is a practical choice for users and workshops that expect factory fitment and predictable lubrication system operation in a diesel engine. The original design, compatibility with Diesel units, and the possibility of an economical replacement based on a used part make this a technically sound and cost-effective solution for the long-term operation of the vehicle.