fits model: Lycoming.

( Brand: Superior ), ( Manufacturer Part Number: SL71903-A ), ( Part Type: Crankshaft Bushing )
The SL71903-A Set NOs Crankshaft Dynamic Counterweight Bushings by SL are designed specifically for Lycoming engines, providing a crucial component for maintaining the engine's performance and longevity. These bushings are FAA-PMA certified, ensuring they meet the highest standards of safety and quality.
Each set contains multiple bushings, specifically engineered to replace the worn-out or damaged counterweight bushings on your Lycoming crankshaft. These bushings are made from superior materials, ensuring they can withstand the high-stress environment of an engine's operation.
The SL71903-A bushings are precision-machined to ensure a perfect fit, minimizing the risk of vibrations and engine misalignment. They are also designed to provide excellent lubrication retention, reducing the risk of wear and damage over time.
Installing the SL71903-A bushings is a straightforward process, making it an easy and cost-effective way to maintain the health of your Lycoming engine. By replacing worn-out bushings with these high-quality alternatives, you can help ensure your engine runs smoothly and efficiently, reducing the risk of costly repairs or engine failure.
In conclusion, the SL71903-A Set NOs Crankshaft Dynamic Counterweight Bushings are an essential component for any Lycoming engine owner. Their superior quality, FAA-PMA certification, and easy installation make them a cost-effective and reliable solution for maintaining the health of your engine.
pros of buying a SL71903-A set of crankshaft dynamic counterweight bushings from Lycoming FAA-PMA Superior:1. FAA-PMA approved: The SL71903-A set is approved by the Federal Aviation Administration (FAA) under a Product and Material Approval (PMA) for use as a replacement part on Lycoming engines. This means that the parts have been tested and meet the same performance standards as original equipment manufacturer (OEM) parts.
2. High-quality materials: Lycoming FAA-PMA Superior uses high-quality materials in the production of their parts, ensuring that they are durable and long-lasting.
3. Reduced maintenance costs: The SL71903-A set of crankshaft dynamic counterweight bushings can help reduce maintenance costs by reducing the need for frequent replacements.
4. Improved engine performance: The use of the SL71903-A set of crankshaft dynamic counterweight bushings can improve engine performance by reducing vibrations and improving balance, which can lead to smoother operation and increased efficiency.
cons of buying a SL71903-A set of crankshaft dynamic counterweight bushings from Lycoming FAA-PMA Superior:1. Cost: The SL71903-A set of crankshaft dynamic counterweight bushings can be more expensive than some aftermarket alternatives.
2. Availability: Depending on the location, the SL71903-A set of crankshaft dynamic counterweight bushings may not be readily available, which could result in a longer wait time for delivery.
3. Compatibility: While the SL71903-A set is FAA-PMA approved for use on Lycoming engines, it may not be compatible with all models or configurations, so it's important to ensure that it is the correct part for your specific engine before purchasing.
conclusion:Overall, the pros of buying a SL71903-A set of crankshaft dynamic counterweight bushings from Lycoming FAA-PMA Superior outweigh the cons. The FAA-PMA approval, high-quality materials, and potential for reduced maintenance costs and improved engine performance make it a worthwhile investment for those looking to maintain or upgrade their Lycoming engine. However, it's important to consider the cost, availability, and compatibility before making a purchase.
recommendation:If you are considering purchasing the SL71903-A set of crankshaft dynamic counterweight bushings, I would recommend doing some research to ensure that it is the correct part for your specific engine and that it is available from a reputable supplier. Additionally, I would recommend getting a quote from several suppliers to compare prices and ensure that you are getting the best value for your money. Ultimately, the decision to purchase the SL71903-A set should be based on your specific needs and budget.
Fits the following model Lycoming engines: go-480, o-540, io-540, Rio-540, Iago-540, ISO-540 series please see my other aviation items. Here is a set of 8 new old stock bushings P/N SL71903-a made by Superior air parts. Card is dirty from shelf storage. There are no certs or tags but the bushings mounted on original card and marked faa-pma.