AVCO LYCOMING LW-14068 Piston Pin Sell 150 O-320

( Brand: Avco Lycoming ), ( Manufacturer Part Number: LW-14068 ), ( Part Type: Hp Piston Pin ), ( Country Of Origin: United States )

Review AVCO LYCOMING Piston Pin Pn Used 150 Hp Sell Each

The **Avco Lycoming LW-14068 Piston Pin** is a precision-engineered, high-performance replacement component specifically designed for Lycoming O-320 series aircraft engines, including the iconic 150 horsepower O-320-A2B and its variants. Crafted from aircraft-grade **8620H steel**, this piston pin is heat-treated and case-hardened to ensure exceptional durability, resistance to wear, and the ability to withstand the extreme stresses of high-RPM operation in piston-driven aviation engines. The pin features a **smooth, polished finish** to minimize friction and reduce the risk of scoring or galling, while its **interference fit** design guarantees a secure, vibration-dampening connection between the piston and connecting rod, maintaining optimal engine efficiency and longevity. Measuring approximately **1.25 inches in diameter** with a precise **0.002-inch interference fit**, this pin is engineered to the exact specifications of the original equipment manufacturer (OEM), ensuring a perfect match for engines requiring the LW-14068 part number. Whether used in general aviation aircraft, flight training planes, or vintage restoration projects, this piston pin is a critical component for maintaining peak engine performance, reliability, and safety. Built to withstand the demands of continuous flight operations, it is an essential upgrade or replacement part for mechanics and pilots seeking to preserve the integrity of their Lycoming O-320 powerplant.

Buying a replacement **Avco Lycoming LW-14068 piston pin** for a **150 HP O-320 engine** can be a practical solution if your engine is experiencing piston pin wear or failure. Below are the key pros and cons of purchasing one, followed by a conclusion and recommendation.

### **Pros of Buying a Replacement Piston Pin**

1. **Restores Engine Performance** A worn or broken piston pin can cause power loss, rough running, or excessive oil consumption. Replacing it restores smooth operation and maintains horsepower.

2. **Prevents Further Damage** A failing piston pin can lead to catastrophic engine failure if it breaks inside the cylinder, damaging the piston, cylinder walls, or connecting rod. Replacing it early avoids costly repairs.

3. **Cost-Effective Compared to Engine Overhaul** Replacing just the piston pin (or pins) is far cheaper than a full engine rebuild or replacement. A single pin typically costs between **$50 $150**, depending on source and condition.

4. **Available from Multiple Sources** These pins are widely stocked by aviation parts suppliers (e.g., Lycoming, Avco, or third-party vendors) and can often be found in used or refurbished condition, reducing costs further.

5. **Standardized Part** The LW-14068 is a common piston pin for the O-320, meaning it is well-documented and easy to install with proper tools and instructions.

6. **Extends Engine Life** If the rest of the engine is in good condition, a pin replacement can extend the engine s serviceable life without requiring a full teardown.

### **Cons of Buying a Replacement Piston Pin**

1. **Labor-Intensive Installation** Removing and replacing piston pins requires disassembling the engine, which involves removing the cylinder, piston, and connecting rod. This is a **highly skilled job** best left to experienced mechanics.

2. **Potential for Hidden Damage** If the engine has been running with a bad pin, other components (e.g., cylinders, pistons, or crankshaft bearings) may already be damaged. A full inspection is necessary before installation.

3. **Quality Variability** Used or aftermarket pins may not be as durable as OEM parts. If purchasing from a non-Lycoming source, ensure the pin meets **FAA-approved specifications** to avoid reliability issues.

4. **Time and Downtime** The process takes **several hours to a full day**, depending on the mechanic s experience. This means the aircraft will be out of service until completion.

5. **Risk of Improper Installation** If not installed correctly, the pin could bind, cause excessive wear, or even fail prematurely. Proper lubrication, alignment, and retention (e.g., circlips) are critical.

6. **Cost of Associated Labor** While the pin itself is inexpensive, **engine teardown, inspection, and reassembly** can cost **$1,000 $3,000 **, depending on the shop s rates and the engine s condition.

### **Conclusion**

Buying and installing a replacement **LW-14068 piston pin** is a **practical and cost-effective solution** for restoring engine function and preventing catastrophic failure, provided the rest of the engine is in acceptable condition. However, the **labor-intensive nature, potential for hidden damage, and need for professional installation** make it a decision that requires careful consideration.

If the engine is otherwise healthy and the pin failure is isolated, replacing the pin is a **smart long-term investment**. If the engine has other signs of wear (e.g., excessive oil consumption, compression loss, or bearing wear), a **full inspection or rebuild may be more economical** in the long run.

### **Recommendation**

1. **Verify the Source** Purchase from a **reputable aviation parts supplier** (e.g., Lycoming, Avco, or a trusted third-party dealer) to ensure the pin meets **FAA standards**.

2. **Inspect the Engine Thoroughly** Before installation, have a **licensed aviation mechanic** perform a **full engine teardown and inspection** to check for other wear or damage.

3. **Choose a Qualified Mechanic** Ensure the shop has **experience with Lycoming O-320 engines** and follows **FAA maintenance standards** for piston pin replacement.

4. **Consider a Full Overhaul if Needed** If the engine shows signs of **widespread wear** (e.g., scored cylinders, worn crankshaft, or excessive bearing clearance), a **full rebuild may be more cost-effective** than a partial fix.

5. **Budget for Labor** Account for **teardown, inspection, pin replacement, and reassembly costs**, which can range from **$1,500 $4,000 ** depending on complexity.

**Final Verdict:** If the engine is otherwise sound and the pin failure is confirmed, **replacing the LW-14068 piston pin is a justified repair** that extends engine life and prevents more expensive failures. However, **proceed with a full inspection first** to avoid unnecessary costs. If the engine is near the end of its serviceable life, weigh the benefits of a **full rebuild or engine replacement** against the pin replacement alone.

Details:

All goods are sent in secure packaging. Piston Pin, Lycoming, PN LW-14068, used, for 150 HP O-320, sell each. The Shipping Charges and/or items with Free apply to the 48 Contingent States. Comfort, TX 78013.

Selling one each. Airworthiness is to be determined by the person installing subject item on aircraft.

part #: lw14068 prices

• $110.00-$184.50

specifications engineaviatio:

• brand: Avco Lycoming
• mpn: Lw-14068
• part type: Hp Piston Pin
• country of origin: United States

offer engineaviatio:

• options: Ship-to-home
• sold: 0
• started: April 29, 2026
• best offers: True
• quantity: 9
• availability: In Stock

shipping engineaviatio:

• type: Fixed
• cost: $7.90
• service: Expedited
• class: Expedited
• transit: 3-8 Days

general engineaviatio:

• condition: Used
• Aviation Parts Accessories > Engines > Engine Components

returns engineaviatio:

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

payments engineaviatio:

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

seller engineaviatio:

• # reviews: 5115
• city: Comfort, Texas
• rating: 100.0%

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