Mercedes C117 Oil Filler Neck Pipe Hose Tube Cap M133 Petrol Engine A2700100001

Mercedes C117 Oil Filler Neck Pipe Hose Tube Cap M133 Petrol Engine is an original oil supply system component designed for petrol-powered engines. It ensures a tight seal for the oil filler neck, stabilizing engine operation and reducing the risk of leaks and contamination in the engine bay.

Specifications and technical data

• SKU: A1330100470-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1330100470
• Substitutable numbers: A1330100470, A 133 010 04 70, A 270 010 00 01
• Fuel type: Petrol
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and technical function

The oil filler neck cap in the M133 engine is responsible for the controlled, secure sealing of the engine oil replenishment channel. In combination with the lubrication system's hoses and pipes, it creates a coherent, leak-proof flow path for the lubricant, which is essential for the stable operating parameters of the power unit. This component is particularly important in petrol engines, where maintaining proper oil pressure and cleanliness affects component durability and engine refinement. A correctly selected cap minimizes the risk of blow-by, oil evaporation, and the ingress of contaminants into the engine.

Benefits of using an original cap

Using an original oil filler neck cap in Mercedes models with the M133 unit allows for the maintenance of factory lubrication system specifications. The precise geometry and fitment to the filler neck result in:

• stable sealing of the connection in the oil filler area,
• proper interaction with the lubrication system's pipes and hoses,
• reduced risk of leaks and dirt in the engine bay,
• compliance with the manufacturer's factory requirements. As a result, the cap serves as a functional addition to components in the Hoses, pipes and lines category, which are responsible for the transport and protection of operating fluids in the vehicle.

Installation and operational characteristics

The cap in question is structurally designed to work with the M133 petrol engine, facilitating its integration with the existing oil filler neck. The properly selected seal and the shape of the working part allow for repeatable, secure opening and closing of the filler during service maintenance. In practice, this translates into ease of use when topping up oil, as well as predictable performance over a long service life. The cap works with the system of hoses and pipes in such a way as not to disrupt oil flow or the ventilation of the engine's working space.

Application in the hoses, pipes and lines system

In Mercedes vehicles, the oil filler neck cap is part of a larger assembly where hoses, pipes, and lines play a key role in transporting oil and other operating fluids. A correctly selected component of this type supports:

• maintaining proper lubrication system integrity,
• protection against the ingress of external contaminants,
• stable engine operating conditions across various load ranges. This solution is particularly important in petrol units, where the quality of lubrication and oil cleanliness have a direct impact on the durability of moving parts. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as oil lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes hoses, pipes and lines category.

Technical support and knowledge development

For drivers interested in deepening their knowledge of modern powertrain design and the impact of individual components on vehicle operation, an article describing the evolution of a popular hot-hatch may be helpful. In the context of analyzing technical solutions and selecting used parts, it is worth reading the material Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts, which shows how design details affect the durability and functionality of a vehicle.