R441212 - Textron Aviation Cessna OEM Rubber Seal

R441212 – Textron Aviation Cessna OEM Rubber Seal

Available now on the Airparts.aero Marketplace.

Overview

The Textron Aviation R441212 is a genuine OEM, flight-critical wing root seal, an essential aerodynamic and environmental component for a vast range of Cessna single-engine aircraft. This is not a simple rubber strip; it is a precision-extruded seal designed to fit perfectly in the gap between the wing and the fuselage. Its primary functions are to create a smooth aerodynamic fairing, reduce drag and cabin noise, and to prevent water and debris from entering the critical wing attachment structure. As a genuine Textron OEM part, it guarantees the correct material composition, durometer (hardness), and profile for a perfect, airworthy fit.

Key Features

• Aerodynamic Drag Reduction: The seal's primary function is to close the gap between the high-pressure area under the wing and the low-pressure area over the top of the wing at the fuselage junction. This prevents turbulent airflow, reduces parasitic drag, and can contribute to improved cruise speed and fuel efficiency.

• Environmental Sealing: Creates a durable, weather-tight barrier that prevents rainwater, de-icing fluid, and washing contaminants from seeping into the wing root. This is a critical line of defense in preventing hidden corrosion in the primary wing attachment fittings and spar structure.

• Durable EPDM Rubber: Fabricated from a high-quality EPDM (Ethylene Propylene Diene Monomer) or similar synthetic rubber. This material is chosen for its exceptional resistance to UV radiation, ozone, weathering, and its ability to remain flexible across a wide range of operating temperatures.

• Noise Reduction: By sealing the wing-fuselage gap, it significantly reduces the amount of aerodynamic and wind noise that is transmitted into the cabin, leading to a quieter and more comfortable flight for pilots and passengers.

• Genuine Textron OEM Part: As a genuine factory component, it guarantees the exact extrusion profile, length, and material properties required to fit perfectly without stretching or buckling, ensuring a professional and effective installation.

Technical Specifications

• Part Number: R441212

• Component Type: Wing Root Seal

• Material: High-Durability, Weather-Resistant Synthetic Rubber (e.g., EPDM)

• Primary Function: Aerodynamic sealing and environmental protection of the wing-fuselage junction.

• Installation: Press-fit into the channel of the wing root fairing.

• Certification: FAA Production Approval

Aircraft Compatibility

The R441212 is the standard OEM wing root seal on a significant portion of the Cessna piston aircraft fleet. It is imperative to consult the specific aircraft's Illustrated Parts Catalog (IPC) for final verification.

• Common Aircraft Models:

  • Cessna 172 Skyhawk

  • Cessna 177 Cardinal

  • Cessna 182 Skylane

  • Cessna 206 Stationair

  • Cessna 210 Centurion

Applications

The R441212 is an essential component for airframe maintenance and integrity:

• Airframe Maintenance & Restoration: A standard replacement item during repainting, major inspections, or airframe restoration to ensure both the appearance and the functional integrity of the airframe.

• Replacing Degraded Seals: Must be replaced when the original seal is found to be cracked, hardened, shrunk, or no longer providing an effective seal.

• Improving Cabin Comfort: Replacing old, shrunken seals is an effective way to reduce overall cabin noise levels.

Why Choose R441212?

A missing or degraded wing root seal is more than just a cosmetic issue. It allows water to funnel directly into one of the most critical and difficult-to-inspect areas of the airframe, promoting hidden corrosion on the main spar and attachment fittings. It also increases drag and noise. Using a genuine Textron Aviation R441212 OEM seal is the only way to ensure the part has the correct profile and material to create a lasting, weather-tight seal, protecting the long-term structural health and value of your aircraft.

Order Your R441212 Wing Root Seals Now

Protect your aircraft's structure and improve its performance with a genuine Textron Aviation OEM seal. Visit Airparts.aero to order your R441212 wing root seals today.

The R441212 wing root seal is an important aerodynamic fairing. The junction of the wing and the fuselage is a source of significant interference drag, where the two different airflow patterns meet and create turbulence. A properly fitted wing root seal helps to smooth this transition, allowing the air to flow more cleanly over the junction. This reduces drag, which can have a measurable positive impact on the aircraft's cruise performance and fuel consumption. The EPDM rubber compound is selected for its high resistance to "compression set," meaning it retains its shape and outward pressure over time, ensuring it continues to provide a tight seal for years without shrinking or hardening.

Note: This is an airframe component. Installation should be performed by a certified A&P mechanic. The channel and mounting surfaces should be thoroughly cleaned before installing the new seal. In some cases, a small amount of approved adhesive may be used to secure the seal in place, as specified by the aircraft maintenance manual.