LYCOMING LW16843 Flywheel Starter Ring O320
( Brand: Lycoming ), ( Manufacturer Part Number: LW16843 ), ( Part Type: Ring Flywheel Starter )
Review LYCOMING Flywheel Starter Ring
The **Lycoming LW16843 O-320 Flywheel Starter Ring** is a precision-engineered component designed specifically for Lycoming aircraft engines, particularly those in the iconic O-320 series, which powers a wide range of general aviation aircraft, including Cessna 172s, 182s, and 206s, as well as Piper Cherokee and Archer models. This high-performance starter ring is a critical part of the engine s ignition system, serving as the interface between the flywheel and the starter motor, enabling the engine to crank and fire up with reliability. Crafted from durable, heat-resistant materials, the starter ring is machined to exacting tolerances to ensure smooth engagement and disengagement during the starting process, reducing wear on both the starter motor and the flywheel itself. Its robust construction is designed to withstand the repeated mechanical stress of repeated engine starts, even in demanding conditions such as high-altitude operations or cold-weather environments where engines may require multiple cranking attempts. The LW16843 starter ring features a splined shaft connection that aligns perfectly with the engine s flywheel, ensuring proper torque transfer while minimizing backlash, which is essential for preventing premature wear on the starter motor s pinion gear. Additionally, this component is often paired with a flywheel that incorporates a built-in starter ring gear, allowing for seamless integration into the engine s crankshaft assembly. For aircraft owners and mechanics, maintaining or replacing this part is a straightforward yet vital maintenance task, as a worn or damaged starter ring can lead to difficult starts, excessive starter motor strain, or even complete failure of the engine s ignition system. Available through Lycoming-authorized distributors and trusted aviation parts suppliers, the LW16843 starter ring is a stock or compatible replacement part, ensuring compatibility with both original equipment and aftermarket engine installations. Whether used in a newly overhauled engine or as a preventive maintenance upgrade, this component exemplifies Lycoming s commitment to reliability and performance in the demanding world of general aviation.
**Pros and Cons of Buying a Lycoming LW16843 O-320 Flywheel Starter Ring**
The Lycoming LW16843 O-320 flywheel starter ring is a critical component for starting Lycoming O-320 aircraft engines. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.
### **Pros**
1. **Essential for Engine Starting**
The flywheel starter ring is a key part of the engine s ignition system, allowing the starter motor to engage the flywheel and crank the engine. Without it, the engine cannot be started manually or electrically, rendering the aircraft inoperable.
2. **Standardized Fit for O-320 Engines**
The LW16843 is specifically designed for Lycoming O-320 engines, ensuring compatibility with the engine s flywheel and starter motor. This reduces the risk of misalignment or improper installation, which could cause damage.
3. **Durability and Longevity**
High-quality flywheel starter rings are typically made from hardened steel or other durable materials, designed to withstand repeated engagement without excessive wear. This extends the life of both the starter ring and the flywheel.
4. **Easier Maintenance and Replacement**
Replacing a worn or damaged starter ring is a relatively straightforward procedure compared to other engine components. It does not require major disassembly, making it a cost-effective maintenance task.
5. **Prevents Costly Engine Damage**
A failing starter ring can cause the starter motor to grind against the flywheel, leading to damage to both components. Replacing it proactively avoids more expensive repairs, such as starter motor or flywheel replacement.
6. **Available from Reputable Manufacturers**
Many aviation suppliers offer genuine or high-quality aftermarket starter rings, ensuring reliability and performance. Brands like Lycoming, Aeroshell, or other trusted aviation parts providers provide warranties or guarantees.
7. **Minimal Downtime**
The replacement process is quick, often taking less than an hour with basic tools. This minimizes aircraft downtime, which is critical for pilots and operators who rely on their aircraft for training, flight training, or personal use.
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### **Cons**
1. **Cost of Replacement**
While not excessively expensive, a new starter ring can cost between **$50 and $150**, depending on whether it is a genuine Lycoming part or an aftermarket equivalent. This is a recurring expense for engines that see frequent use.
2. **Potential for Misalignment**
If not installed correctly, a misaligned starter ring can cause uneven wear on the flywheel or starter motor, leading to premature failure. Proper installation requires attention to detail and possibly a torque wrench to ensure proper seating.
3. **Wear Over Time**
Even with proper maintenance, starter rings wear out due to repeated engagement. The lifespan depends on usage engines used frequently (e.g., flight schools) may require more frequent replacements than rarely used aircraft.
4. **Limited Availability of Aftermarket Parts**
While genuine Lycoming parts are widely available, some aftermarket options may vary in quality. Cheaper or lower-quality rings might wear out faster or fail prematurely, leading to additional downtime.
5. **Requires Basic Mechanical Knowledge**
Replacing the starter ring is not overly complex, but it does require some familiarity with aircraft engines. Those without mechanical experience may need to consult a mechanic, adding to the cost.
6. **Risk of Contamination**
If the engine bay is dirty or if debris enters during installation, it could affect the performance of the starter ring or starter motor. Proper cleaning and inspection are necessary before and after replacement.
7. **Potential for Starter Motor Failure**
If the starter ring is severely worn or damaged, it may not engage properly, causing the starter motor to fail. This can lead to a complete loss of starting capability, requiring both the ring and starter motor to be replaced.
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### **Conclusion**
The Lycoming LW16843 O-320 flywheel starter ring is a **critical, relatively low-cost component** that ensures reliable engine starting. Its replacement is a **proactive maintenance task** that prevents more expensive engine damage and avoids unexpected downtime. While the cost and installation effort are minor drawbacks, the benefits **reliability, durability, and ease of replacement** far outweigh the disadvantages for most aircraft owners.
For pilots and operators who prioritize **engine longevity and operational readiness**, investing in a **high-quality starter ring** and performing regular inspections is a **wise decision**. If in doubt about installation, consulting a certified aviation mechanic ensures proper fitting and alignment.
### **Recommendation**
- **Purchase a genuine Lycoming part or a reputable aftermarket equivalent** (e.g., Aeroshell, Lycoming-certified replacements) to ensure quality.
- **Replace the starter ring as part of routine engine maintenance**, typically every **500 1,000 hours** or if signs of wear (grinding, difficulty starting) are observed.
- **Follow manufacturer torque specifications** during installation to prevent misalignment.
- **Store spare starter rings** on hand for emergency situations, especially for flight schools or frequently used aircraft.
- **If unsure about installation**, have a mechanic perform the replacement to avoid potential damage.
Ultimately, the **cost of replacement is negligible compared to the risk of engine failure**, making this an essential part of aircraft upkeep.
Details:
LW16843 it is in great condition with no missing or broken teeth. This high-quality, durable part is essential for maintaining the engines functionality and ensuring safe take-offs landings. The Lycoming O320 Flywheel Starter Ring is a crucial component for starting the engine in aircraft equipped with. This part came off a Cessna 172 O330 but check the number to make sure it works on your engine.
Made specifically for this engine model, the flywheel starter ring ensures smooth and reliable starting performance, even in challenging conditions.
part #: lw16843 prices
- $250.00-$1309.00
specifications engineaviatio:
- brand: Lycoming
- mpn: Lw16843
- part type: Ring Flywheel Starter
offer engineaviatio:
- availability: In Stock
- sold: 0
- quantity: 1
- options: Ship-to-home
- best offers: True
- started: May 25, 2026
payments engineaviatio:
- other
- credit card: Visa
- wallet: Google-pay
shipping engineaviatio:
- type: Calculated
- class: Standard
- transit: 4-10 Days
- cost: $68.86
- service: USPS Ground Advantage
- carrier: USPS
general engineaviatio:
- condition: Used
- Aviation Parts Accessories > Engines > Engine Components
returns engineaviatio:
- policy: No Returns
seller engineaviatio:
- # reviews: 247
- city: Quechee, Vermont
- rating: 100.0%
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