LYCOMING 37A19733-376 Alternator Belt 7254 37A19773-376

( Brand: Lycoming ), ( Manufacturer Part Number: 37A19733-376 ), ( Part Type: Alternator Belt )

Review LYCOMING New Alternator V belt

The Lycoming 37A19733-376 and 37A19773-376 alternators are vital components of aircraft electrical systems, designed to convert mechanical energy from the engine into electrical power. These alternators are specifically engineered to fit and perform optimally in Lycoming engines.

The 37A19733-376 and 37A19773-376 alternators feature a robust design, with a cast aluminum housing that ensures durability and effective heat dissipation. The alternators come equipped with a three-phase, brush-type design that delivers a stable and reliable electrical output. The brushes are made from high-quality, wear-resistant materials to ensure long service life.

These alternators utilize a V-belt drive system for power transmission from the engine to the alternator. The V-belt is an essential part of the alternator's power transmission system, and it is crucial that a properly fitting, high-quality V-belt is used to ensure the alternator operates efficiently and effectively.

The alternators are designed to operate at an input shaft speed of 2500 RPM, and they deliver an output voltage of 28 volts. The alternators are also equipped with a built-in voltage regulator that maintains the output voltage within a narrow range, ensuring that the electrical system is consistently supplied with the right amount of power.

The alternators come with a comprehensive installation kit, which includes mounting hardware, belts, and wiring harnesses. This kit ensures that the installation process is straightforward, reducing the time and effort required to get the alternator up and running in your aircraft.

In summary, the Lycoming 37A19733-376 and 37A19773-376 alternators are high-performance components designed to provide reliable electrical power in aircraft applications. With their robust design, efficient power transmission system, and comprehensive installation kit, these alternators are an excellent choice for maintaining the electrical systems in Lycoming-powered aircraft.

The Lycoming 37A19733-376 and 37A19773-376 alternators, both manufactured by Lycoming Engines, are essential components of an aircraft's electrical system. These alternators use a V-belt to transmit power from the engine to the alternator, generating electrical power for the aircraft. Let's discuss some pros and cons of buying these alternators.

1. Reliability: Lycoming is a well-known and reputable brand in the aviation industry. Their alternators are known for their durability and long service life.

2. Availability: These alternators are widely used in various aircraft models, making them easily available from various suppliers and distributors.

3. Easy installation: These alternators are designed to be easy to install, with straightforward wiring and belt routing.

4. Cost-effective: Compared to some other alternator brands, Lycoming alternators can be more cost-effective in the long run due to their reliability and longevity.

1. Limited compatibility: These alternators might not be compatible with all aircraft models, so it's essential to verify that they are suitable for your specific aircraft before making a purchase.

2. Weight: These alternators are heavier than some other alternator types, which might impact the overall weight and fuel efficiency of the aircraft.

3. Maintenance: Like any other mechanical component, alternators require regular maintenance. It's essential to follow the manufacturer's recommended maintenance schedule to ensure the longevity of the alternator.

In conclusion, the Lycoming 37A19733-376 and 37A19773-376 alternators offer reliability, availability, easy installation, and cost-effectiveness. However, they might not be compatible with all aircraft models, are heavier than other alternator types, and require regular maintenance.

Based on the information provided, I would recommend considering these alternators if they are compatible with your aircraft model and you value reliability, availability, and cost-effectiveness. If weight is a significant concern or you prefer a lighter alternator, you might want to explore other options. Always consult with a certified aviation mechanic or your aircraft manufacturer before making a final decision.

Details:

It was purchased new from Spruce recently and the incorrect belt for my engine. Its brand new. New Lycoming 37A19773-376 7254 Alternator Drive Belt This belt is NOT old stock.

part #: 37a19733376 prices

• $73.00-$84.00

specifications aviationpar:

• brand: Lycoming
• mpn: 37a19733-376
• part type: Alternator Belt

payments aviationpar:

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

shipping aviationpar:

• carrier: USPS
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• transit: 4-12 Days

general aviationpar:

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

seller aviationpar:

• city: Dubuque, Iowa
• rating: 100.0%
• # reviews: 189

returns aviationpar:

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

offer aviationpar:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: February 9, 2026

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