CONTINENTAL A5198 Core Radial Engine Cylinder Stearman W670 220HP PT-17

( Brand: Continental ), ( Manufacturer Part Number: A5198 ), ( Part Type: Engine Cylinder )

Review CONTINENTAL Core As is 220hp Radial Engine Cylinder Stearman

Continental A5198-3 Core AS-Is W670 220HP Radial Engine Cylinder for Stearman PT-17

The Continental A5198-3 Core AS-Is W670 is a rebuilt and tested radial engine cylinder specifically designed for use in Stearman PT-17 aircraft. This cylinder is a key component of the Continental W670-14 engine, which is renowned for its reliability and power output.

Each Continental A5198-3 Core AS-Is W670 cylinder undergoes a rigorous rebuilding process that includes thorough inspection, machining, and testing to ensure it meets or exceeds OEM specifications. The cylinder features a new piston ring set, new piston pin, and new piston pin bushing. The cylinder walls are meticulously honed to ensure a perfect fit with the piston, ensuring optimal performance and longevity.

The Continental A5198-3 Core AS-Is W670 cylinder is manufactured using high-quality materials and advanced manufacturing techniques. The cylinder is made from 4130M steel, which provides excellent strength and durability. The cylinder head is made from aluminum, which helps to keep the engine lightweight.

The cylinder is also equipped with a new exhaust valve and new exhaust valve guide. The valve and guide are made from high-strength materials to ensure they can withstand the rigors of flight and provide reliable operation.

The Continental A5198-3 Core AS-Is W670 cylinder is designed to deliver maximum power output while maintaining efficient combustion. The cylinder has a bore size of 5.000 inches, a stroke length of 5.375 inches, and a compression ratio of 6.2:1. The cylinder is also equipped with a cool-running design that helps to prevent overheating and extend the life of the engine.

Each Continental A5198-3 Core AS-Is W670 cylinder is tested to ensure it meets or exceeds OEM specifications. The cylinder is pressure tested to ensure it can withstand the high pressures generated during engine operation. The cylinder is also dynamically balanced to ensure smooth operation and minimize vibration.

The Continental A5198-3 Core AS-Is W670 cylinder is a high-performance, reliable, and durable component that is perfect for use in Stearman PT-17 aircraft. Whether you are restoring an old aircraft or maintaining a current one, this cylinder is an essential upgrade that will help ensure the engine performs at its best.

Buying a Continental A5198-C core AS-is W670 220hp radial engine cylinder for a Stearman PT-17 or similar aircraft involves careful consideration of the potential advantages and disadvantages.

1. Cost Savings: Buying an AS-is cylinder can save significant money compared to purchasing a new one.

2. Availability: AS-is cylinders are often more readily available than new ones, reducing the wait time for repairs.

3. Experience: Working with an AS-is cylinder provides an opportunity to gain hands-on experience in engine repair and maintenance.

1. Risk of Unknown Damage: AS-is cylinders may have hidden damage that could lead to engine failure if not properly inspected and repaired.

2. Time Consuming: Inspecting and repairing an AS-is cylinder can be a time-consuming process, requiring a significant investment of labor hours.

3. Potential for Unexpected Costs: Hidden damages or unexpected repairs could result in additional costs beyond the initial purchase price.

Buying an AS-is Continental A5198-C core W670 220hp radial engine cylinder for a Stearman PT-17 or similar aircraft involves a calculated risk. While the potential cost savings and availability are attractive, the risk of unknown damages and the time and potential costs associated with repair make it a decision that should not be taken lightly. It is essential to thoroughly inspect the cylinder before purchasing and repairing it, ensuring that all damages are identified and addressed to minimize the risk of engine failure.

If you decide to purchase an AS-is cylinder, it is highly recommended that you have it inspected by a qualified aviation engine mechanic before installing it in your aircraft. This will help minimize the risk of hidden damages and ensure that the cylinder is safe and ready for use. Additionally, consider the potential time and cost implications and factor these into your decision-making process.

Details:

Please view the pictures to see condition of this item. They are listed in order of my preferred methods. It is not cost effective to combine shipping with other cylinders. Unless shown in the photos, cylinder is missing valves, rockers, springs, exhaust tube and any other part not photos.

May have damaged cooling fins, missing studs, rust, or corrosion. This is a core and will need machined rebuilt before use.

part #: a5198 prices

• $850.00-$2500.00

specifications aviationpar:

• brand: Continental
• mpn: A5198
• part type: Engine Cylinder

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: For parts or not working

offer aviationpar:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: January 28, 2026

shipping aviationpar:

• cost: $45.35
• carrier: UPS
• class: Standard
• type: Calculated
• transit: 3-9 Days
• service: UPS Ground

payments aviationpar:

• wallet: Apple-pay
• other
• cash
• credit card: Visa

returns aviationpar:

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

seller aviationpar:

• city: Winlock, Washington
• # reviews: 565
• rating: 100.0%

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