Audi Q7 4L 4M 3.0 TDI Diesel Engine Top Upper Part Oil Pan Sump 059103603AP

Audi Q7 4L 4M 3.0 TDI Diesel Engine Top Upper Part Oil Pan Sump is an original component from the Oil pans group, designed for 3.0 TDI diesel units in Audi Q7 4L and 4M generation models. It serves as a solid foundation for the lubrication system, ensuring stable mounting of the engine oil and proper integration with the diesel engine block.

Specifications and technical data

• SKU: 059103603AP
• Mark: Audi
• Condition: Used
• OEM Part Number: 059103603AP
• Substitutable numbers: 059103603AP, 059 103 603 AP
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and compatibility with the 3.0 TDI engine

The presented oil pan sump is designed for 3.0 TDI Diesel engines used in the Audi Q7 4L and 4M. The casting geometry, placement of mounting points, and oil channels are matched to the factory design of the unit, which allows for maintaining proper pressure and oil circulation throughout the entire lubrication system. Thanks to this, the component is suitable both for a standard replacement of a damaged oil pan and for more extensive service work in the lower engine area.

Construction and function of the oil pan sump

The oil pan sump plays a key role as the lower part of the engine housing, responsible for:

• rigid connection to the engine block and maintaining the geometry of the crankshaft-piston system,
• safe collection of operating oil in the appropriate working volume,
• stable routing of oil to the pump and lubrication channels,
• sealing the lower part of the power unit against leaks.

A properly selected oil pan sump reduces the risk of leaks, improves engine operation culture, and supports the durability of components working with the lubrication system.

Characteristics of the used component

The offered component comes from disassembly, which means it is a used part that retains its factory geometry and fitment for the 3.0 TDI unit. This type of element is particularly attractive for users looking for a cost-effective solution while maintaining the manufacturer's original specifications. A used oil pan sump allows for an economical repair without the need to resort to replacements with uncertain fitment.

Application in service and lubrication system repairs

Replacing the oil pan sump is recommended, among other things, in the event of mechanical damage, leaks, or interference with the lower part of the engine. In workshop practice, this element is used for:

• repairs after hitting an obstacle from under the vehicle,
• removing oil leaks from the lower part of the power unit,
• comprehensive rebuilding of the 3.0 TDI engine in the Audi Q7,
• modernization or engine swaps between 4L and 4M bodies.

Thanks to the retention of factory mounting points and shape, the installation process is predictable for the mechanic, which shortens working time and reduces the risk of fitment issues.

System expansion – Audi oil pans

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other elements from the same group, such as additional pans, mounting elements, or lower unit seals, check the available parts in the Audi oil pans category.

Technical support and service knowledge

When working on a diesel engine, it is particularly important to maintain proper operating temperatures and stable lubrication. In the context of operating Diesel units, it is also worth paying attention to the efficiency of the cooling system, which works with the lubrication system, affecting the durability of the oil and moving parts. Additional information on operating components at high temperatures can be found in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which will help you better plan your vehicle's service.