BMW 5 7 X5 Series E38 E39 E53 Petrol M62 Water Pump Pulley 1742045

BMW 5 7 X5 Series E38 E39 E53 Petrol M62 Water Pump Pulley is an original accessory drive system component used in 5, 7, and X5 series models of the E38, E39, and E53 generations. Thanks to its factory-spec fitment for M62 petrol engines, it ensures stable power transmission to the water pump, which translates into proper cooling system operation and safe engine performance. This solution is intended for users looking for a proven, used BMW part with preserved geometry and proper rigidity.

Specifications and technical data

• SKU: 1742045
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1742045
• Substitutable numbers: 11511742045, 1742045, EM
• Fuel type: Petrol
• Category: Vacuum Pumps

Purpose and function in the M62 engine

The water pump pulley in the M62 petrol engine is responsible for the mechanical connection between the crankshaft and the coolant pump via the accessory belt. A properly selected component guarantees:

• maintaining the correct water pump speed ratio relative to the engine,
• stable operation of the accessory belt without unwanted vibrations,
• efficient cooling of the power unit across the full load range.

Due to its compatibility with the M62 engine design, the pulley works with the factory cooling system, maintaining the parameters specified by the manufacturer.

Compatibility with BMW models

The presented pulley is designed for BMW cars with petrol engines from the M62 family, used in popular high-end and SUV models. Proper fitment for the 5, 7, and X5 series of the E38, E39, and E53 generations allows for maintaining the original belt routing geometry and correct cooperation with other accessory components.

It is always worth confirming the selection of parts based on vehicle data and manufacturer numbers, which minimizes the risk of mismatch and speeds up the service process.

Benefits of using an original pulley

Using an original water pump pulley in the M62 engine brings a number of practical service and operational benefits:

• Factory fitment – the correct width, profile, and operating line of the accessory belt are maintained.
• Noise and vibration reduction – proper belt guidance reduces the risk of squealing, skipping, and uneven wear.
• Stable cooling system operation – a properly driven water pump maintains optimal engine temperature.
• Hassle-free installation – the component fits original mounts and requires no modifications.

For users who value the durability and predictability of the cooling system, choosing an original pulley is a technically safe and economically justified solution.

Condition, verification, and service application

The offered pulley comes from disassembly and has the status of a used BMW part, which allows for cost-effective service while maintaining original specifications. Before reinstallation, a standard visual inspection for potential cracks, excessive wear of working surfaces, and the condition of mounting seats is recommended.

The component will work well both for a typical replacement of a worn pulley and for larger works within the cooling system and engine accessories, where maintaining component consistency is important.

Technical support and part selection

When selecting fuel system and engine accessory components, a specialized service guide may be helpful. Detailed information on diagnostics, selection by manufacturer numbers, and operating principles can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes knowledge about the operation of subassemblies in petrol engines.

Related items in the BMW Vacuum Pumps category

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional pumps, mounting elements, or accessory brackets, check the available parts in the BMW Vacuum Pumps category.