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CESSNA 17C21191 Valve Key 4LYCOMING P/n

fits make: Cessna.

4lycoming Cessna 17c21191 New Lot Of Valve Key P/n

( Manufacturer Part Number: 17C21191 ), ( Part Type: Valve ), ( Country Of Origin: United States )

Review CESSNA New Lot Of Valve Key P/n

The Cessna 172C series aircraft is a popular single-engine, four-seat fixed-wing aircraft used for training and personal use. One essential component of the aircraft's engine system is the 4-cylinder Lycoming O-320-D2K engine, which requires regular maintenance to ensure optimal performance. Among the various engine components, the valve key plays a significant role in the engine's ignition system.

The Cessna 172C 2119 4-Lycoming Valve Key (P/N: 172-2119) is a critical tool designed to operate the engine's ignition system. The valve key is a hexagonal-shaped, metal tool with a unique threaded design that fits into the ignition switch located on the engine's magneto. The key's primary function is to turn the magneto ignition switch on and off, providing the necessary spark for the engine to run smoothly.

The valve key is manufactured from high-quality, durable materials to ensure long-lasting use. Its hexagonal shape provides a comfortable grip for the mechanic or pilot, allowing for easy and efficient operation. The key's threaded design ensures a secure connection to the ignition switch, preventing any unwanted movement or vibrations that could potentially damage the engine.

The Cessna 172C 2119 4-Lycoming Valve Key is an essential tool for any Cessna 172C series aircraft owner or mechanic. Regular inspections and maintenance of the engine's ignition system are crucial for the aircraft's overall safety and performance. The valve key is a simple yet essential component in this process, making it an indispensable addition to any aircraft toolkit.

When it comes time to replace the valve key, it's essential to use an authentic and genuine part, such as the Cessna 172C 2119 4-Lycoming Valve Key. Using an aftermarket or incorrect part could potentially lead to complications or damage to the engine, making it crucial to source an authentic part from a reputable supplier.

In summary, the Cessna 172C 2119 4-Lycoming Valve Key is a crucial component of the Cessna 172C series aircraft's engine system. Its hexagonal shape, durable materials, and unique threaded design make it an essential tool for any mechanic or pilot working on or operating the aircraft. Regular inspections and maintenance of the valve key and the engine's ignition system are essential to ensure optimal performance and safety.

Cessna 172C/182C Lycoming Valve Key (P/N 4LYCOMING-1-191-1) - A Comprehensive Analysis

The Cessna 172C and 182C aircraft models are popular choices for both recreational and professional pilots. These single-engine aircrafts are known for their durability, versatility, and ease of use. One critical component of these aircraft's engines is the Lycoming Valve Key (P/N 4LYCOMING-1-191-1), which plays a vital role in the engine's operation. In this analysis, we will discuss the pros and cons of purchasing this valve key.

Pros:

1. Essential Component: The Lycoming Valve Key is an essential part of the engine's ignition system. It ensures the proper engagement of the engine's magnetos, which in turn facilitates the ignition process.

2. Easy to Install: This part is relatively straightforward to install, and it does not require extensive mechanical knowledge or experience.

3. Availability: The Lycoming Valve Key is readily available from various aviation supply stores and online marketplaces.

4. Cost-Effective: Compared to other engine components, the valve key is a relatively inexpensive part to replace.

Cons:

1. Wear and Tear: Like any other mechanical component, the valve key is subject to wear and tear over time. Regular usage and environmental factors (e.g., temperature, humidity) can degrade the key's condition, leading to the need for replacement.

2. Potential for Misuse: The valve key can be misused if not handled correctly. Improper installation or removal can lead to damage to the engine or the key itself.

3. Risk of Cross-Threaded Installation: The valve key threads are sensitive, and cross-threading can occur during installation. This issue can result in the key becoming damaged or the engine being compromised.

Conclusion:

While the Cessna 172C/182C Lycoming Valve Key (P/N 4LYCOMING-1-191-1) is a crucial component of the engine's ignition system, it is also a relatively low-cost and easily replaceable part. Prospective buyers should be aware of the potential risks associated with its installation, namely the possibility of cross-threading and misuse. To mitigate these risks, it is recommended to follow the manufacturer's instructions carefully and consult a certified mechanic if necessary.

Recommendation:

To ensure the safe and efficient operation of your Cessna 172C or 182C aircraft, it is essential to replace the Lycoming Valve Key (P/N 4LYCOMING-1-191-1) as soon as it shows signs of wear or damage. By doing so, you can minimize the risk of engine issues and maintain the overall safety and performance of your aircraft. Always remember to purchase the valve key from a reputable supplier and follow the installation instructions carefully.

Details:

New lot of 4 keepers, Buyer to pay $5.55 shipping keepers.

part #: 17c21191 prices

  • $36.00-$79.99

specifications aviationpar:

  • for makes: Cessna
  • mpn: 17c21191
  • part type: Valve
  • country of origin: United States

offer aviationpar:

  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • started: April 3, 2026
  • quantity: 1
  • sold: 0

shipping aviationpar:

  • service: USPS Ground Advantage
  • type: Fixed
  • carrier: USPS
  • transit: 5-9 Days
  • class: Standard
  • cost: $5.55

returns aviationpar:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

general aviationpar:

  • condition: New
  • Parts Accessories > Aviation Parts Accessories > Parts

payments aviationpar:

  • wallet: Google-pay
  • credit card: Discover
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seller aviationpar:

  • # reviews: 17815
  • city: Hayward, California
  • rating: 99.8%
for makes: cessna, part type: valve, country of origin: united states,
category: auto parts > aviation parts accessories > parts, sku: 21661115211826762,
Cessna 17C21191 Is Similar To:
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3 offers $36.00–$79.99 USD
  • New other (see details). Offer #1 priced at $36.00 + $10.05 shipping estimate = $46.05* total. New Surplus Condition. Cessna P/N: .+$10.05 shipping
  • New other (see details). Offer #2 priced at $79.99 + $0.00 shipping estimate = $79.99* total. 615 pages. 1977 - 1986.FREE SHIPPING
  • New. Offer #3 priced at $72.25 + $22.40 shipping estimate = $94.65* total. +$22.40 shipping

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