MERCEDES 0009977820 Camshaft Expansion Plug Vacuum Pump Benz

( Manufacturer Part Number: 0009977820 ), ( Type: Camshaft ), ( Fitment Type: Direct Replacement ), ( Vintage Part: No )

Review MERCEDES benz Camshaft Expansion Plug Vacuum Pump fits W211 C300 E350 2003–2009

The Mercedes-Benz 0009977820 03-09 W211 C300 E350 Camshaft Expansion Plug Vacuum Pump is an essential component of the engine's vacuum system in Mercedes-Benz W211 models produced between 2003 and 2009 for both the C300 and E350 variants. This vacuum pump plays a vital role in maintaining the proper functioning of the engine's emission control system.

This pump is specifically designed and engineered to meet the high-performance standards of Mercedes-Benz. The pump housing is made from durable cast aluminum, ensuring robustness and long-lasting performance. The camshaft expansion plug, which activates the pump, is precision-machined for a perfect fit and reliable operation. The internal components are made from high-quality materials such as steel and rubber to ensure optimal sealing and durability.

The vacuum pump utilizes a diaphragm design, which provides a smooth and consistent vacuum output. The diaphragm is made from a high-strength material that can withstand the rigors of engine operation while maintaining its shape and flexibility. The pump also features a one-way valve that ensures the proper flow of vacuum to the engine's intake manifold.

The pump is relatively easy to install and replace, making it an ideal choice for do-it-yourselfers or professional mechanics. The pump comes complete with all necessary mounting hardware, making installation a straightforward process. Additionally, the pump is backed by a comprehensive warranty that covers defects in materials and workmanship, giving customers peace of mind and confidence in their purchase.

In summary, the Mercedes-Benz 0009977820 03-09 W211 C300 E350 Camshaft Expansion Plug Vacuum Pump is a high-quality, reliable, and durable component that plays a crucial role in the proper functioning of the engine's vacuum system. Its robust design, ease of installation, and comprehensive warranty make it an excellent choice for Mercedes-Benz W211 C300 and E350 owners who are looking to maintain or restore the performance of their vehicles.

The Mercedes-Benz W211 C300 and E350 models, produced between 2003 and 2009, utilize a camshaft expansion plug vacuum pump as part of their engine cooling system. Replacing this component may be necessary due to wear and tear or engine malfunctions. In this context, let's discuss the pros and cons of buying a new camshaft expansion plug vacuum pump for your Mercedes-Benz W211 C300 or E350.

1. Enhanced Engine Performance: A faulty camshaft expansion plug vacuum pump can cause a multitude of engine issues, including poor fuel efficiency, rough idling, and increased exhaust emissions. Replacing the faulty part with a new one can help restore the engine's performance and improve its overall health.

2. Long-Term Reliability: A new camshaft expansion plug vacuum pump is designed to last longer than a used or rebuilt part. The new component comes with a manufacturer's warranty, offering peace of mind and protection against any potential defects.

3. Improved Cooling System: The camshaft expansion plug vacuum pump plays a crucial role in the engine cooling system by creating a vacuum that enables the coolant to circulate effectively. A new pump ensures optimal cooling system performance, which is essential for the longevity of the engine.

1. Cost: The cost of a new camshaft expansion plug vacuum pump can be significantly higher than a used or rebuilt part. However, considering the long-term reliability and potential engine damage caused by a faulty pump, the investment may be worthwhile.

2. Installation Complexity: Installing a new camshaft expansion plug vacuum pump can be a complex task, requiring specialized tools and knowledge. It is recommended to have a professional mechanic perform the installation to ensure proper fitting and function.

The decision to buy a new camshaft expansion plug vacuum pump for your Mercedes-Benz W211 C300 or E350 depends on several factors, including your budget, the desired level of long-term reliability, and your comfort level with DIY repairs. While the upfront cost of a new pump may be higher than a used or rebuilt part, the potential benefits, such as enhanced engine performance and improved cooling system reliability, can outweigh the initial investment. Ultimately, it is essential to consider the long-term implications and the potential risks of continuing to use a faulty pump. If you value the peace of mind that comes with a new component and the expertise of a professional mechanic, then investing in a new camshaft expansion plug vacuum pump may be the best choice for you.

If you decide to purchase a new camshaft expansion plug vacuum pump for your Mercedes-Benz W211 C300 or E350, be sure to source it from a reputable manufacturer or dealer to ensure the best quality and compatibility. Additionally, consider having a professional mechanic install the new pump to ensure proper fitting and function. This investment in a new, reliable component can help maintain the overall health and longevity of your engine.

Details:

Please refer to pictures for item condition.

part #: 0009977820 prices

• $10.00-$15.48

specifications cashalif:

• for models: W211, C300, E350
• for makes: Mercedes
• for years: 2003-2009
• mpn: 0009977820
• type: Camshaft
• fitment type: Direct Replacement
• vintage part: No

shipping cashalif:

• type: Fixed
• service: Economy, Standard, USPS Priority Mail
• cost: $0.00
• class: Economy, Standard, Expedited
• carrier: USPS
• transit: 5-8 Days

offer cashalif:

• quantity: 1
• started: November 27, 2025
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home

payments cashalif:

• wallet: Google-pay
• other
• credit card: Mastercard

seller cashalif:

• # reviews: 1996 9
• rating: 100.0%
• city: East Setauket, New York

general cashalif:

• Engines Engine Parts > Valvetrain Components > Camshafts
• condition: Used

returns cashalif:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

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