Audi Q7 4L Touareg 7L Crankshaft Oil Pump Chain Sprocket 3.0 TDI 057109116H

Audi Q7 4L Touareg 7L Crankshaft Oil Pump Chain Sprocket is a precision component of the lubrication system, designed to work with petrol-powered engines. It is responsible for the stable transmission of drive to the oil pump, which translates into safe lubrication pressure in the engine and a longer service life for the cooperating components. This is a solution for users looking for a proven, original component with predictable operating parameters.

Specifications and technical data

• SKU: 057109116H
• Mark: Audi
• Condition: Used
• OEM Part Number: 057109116H
• Substitutable numbers: 057109116H, 057 109 116 H, FSJ260510, 1.7131
• Fuel type: Petrol
• Category: Crankshafts

Purpose and role in the lubrication system

The oil pump sprocket in Audi Q7 4L and Volkswagen Touareg 7L models is responsible for the mechanical coupling of the crankshaft with the oil pump. A correctly selected component ensures:

• stable torque transmission to the oil pump,
• maintenance of proper oil pressure across the entire rev range,
• reduced risk of bearing seizure and excessive wear of cooperating parts.

By maintaining the factory tooth geometry and the correct profile for cooperation with the shaft, the sprocket supports even operation of the lubrication system in petrol engines, which is crucial during long-term loads and dynamic driving.

Construction and fitment for crankshafts

The element belongs to the Crankshafts group, which means it works directly with the crank-piston system. The sprocket design is optimized for:

• precise seating on the shaft journal,
• cooperation with the factory oil pump profile,
• maintaining axial alignment and minimizing backlash in the gear transmission.

Such fitment reduces noise and vibration, and also promotes stable engine operation across the full range of operating temperatures. The user receives a component that allows for maintaining the original performance characteristics of the power unit.

Condition, origin, and benefits of using a used part

The offered sprocket is a part from the used Audi components group, which allows for economical repair while maintaining the manufacturer's original specifications. In practice, this means:

• preservation of factory geometry and material hardness,
• compatibility with serial design solutions,
• possibility of replacement without the need to modify other system elements.

For workshops and individual users, this is a reasonable compromise between repair costs and maintaining the original build quality characteristic of the Audi brand.

Selection by numbers and integration with the engine system

The oil pump sprocket has been designed to work with a specific family of power units, which is why it is crucial to check compatibility by OEM number and interchangeable numbers when selecting. This allows avoiding assembly problems and ensures:

• proper fitment with the crankshaft,
• correct cooperation with the oil pump,
• maintenance of lubrication parameters in accordance with the manufacturer's assumptions.

In case of doubt, it is worth comparing the markings with service documentation or the numbers of the removed element to maintain full compliance with the factory engine configuration.

Application in service practice

Replacement of the oil pump sprocket is particularly recommended during:

• major engine overhaul,
• detected tooth damage or excessive wear,
• oil pump failure and the need for comprehensive verification of the lubrication system.

Selecting an original element from the Crankshafts group allows for reducing the risk of secondary damage and ensures predictable engine behavior after repair, which is important for both private users and professional service centers.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as sprockets, shafts, or cooperating oil pump drive components, check the available parts in the Audi Crankshafts category.

For users interested in a broader approach to the topic of original used parts and their impact on the durability and precision of premium class cars, the guide article BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon? may be helpful, in which, among other things, procedures for selecting components by OEM numbers and practical aspects of operation are discussed.