Continental IO-520 Cylinder Base Seal

Continental IO-520 Cylinder Base Seal

Replace worn or damaged cylinder base seals with this Cylinder Base Seal for select Continental 520 and 550 Series aircraft engines. Designed to provide a secure, leak-free seal between the cylinder and crankcase, this seal helps maintain proper compression, prevent oil leaks, and ensure reliable engine performance.

Manufactured to OEM specifications from high-quality, heat-resistant materials, this cylinder base seal is ideal for cylinder replacement, engine maintenance, repairs, and complete overhauls.

Features

• Fits a wide range of Continental 520 and 550 Series aircraft engines
• Creates a secure, leak-free seal between the cylinder and crankcase
• Helps maintain proper cylinder compression
• Prevents oil leaks and contamination
• Durable, heat- and oil-resistant construction
• OEM-style fit for quick and easy installation
• Ideal for cylinder replacement, engine maintenance, repairs, and overhauls

Engine Compatibility

GTSIO-520 Series

• C, D, F, H, K, L, M, N

IO-520 Series

• A, B, BA, BB, C, CB, D, E, F, J, K, L, M, MB

IO-550 Series

• A, B, C, D, E, F, G, L

LTSIO-520 Series

• AE

TSIO-520 Series

• AE, AF, B, BB, BE, C, CE, D, DB, E, EB, G, H, J, JB, K, KB, L, LB, M, N, NB, P, R, T, UB, VB, WB

TSIOL-550 Series

• A

Note: Compatible with many additional dash-number variants within the engine families listed above. Please verify your complete engine model before ordering to ensure proper compatibility.

This Continental IO-520 Cylinder Base Seal provides the dependable sealing performance needed to maintain cylinder compression, prevent oil leaks, and keep your Continental engine operating at peak efficiency and reliability.