PIPER 95551-23 Seneca Engine Mount P/n PA-34-200T 8130-3

( Manufacturer Part Number: 95551-23 ), ( Part Type: Engine Mount ), ( Compatible Make: Rochester ), ( Country Of Origin: United States )

Review PIPER P/n Seneca Engine Mount Assy fits CONTINENTAL

The **Piper PA-34-200T Seneca Engine Mount (Piper P/N 95551-23, Continental 8130-3 Compatible)** is a precision-engineered, high-performance aircraft component designed to securely and reliably support the Continental IO-520-L or IO-520-M series engines (such as the **Continental 8130-3**) in Piper s iconic PA-34 Seneca twin-engine aircraft. Crafted from durable, high-strength aircraft-grade materials, this mount is built to withstand the rigorous demands of flight, ensuring optimal engine alignment, vibration damping, and structural integrity throughout the aircraft s operational lifespan. The mount features a robust, bolted attachment system at both the engine and airframe interfaces, incorporating carefully machined surfaces and reinforced mounting points to distribute load evenly and prevent fatigue or misalignment over time. Its design incorporates a **flexible yet rigid** mounting interface, allowing for slight engine movement while minimizing harmful vibrations that could affect performance or longevity. This component is essential for maintaining the Seneca s smooth operation, as it directly influences engine stability, fuel efficiency, and overall flight dynamics. Whether installed during original equipment manufacturing or as part of a maintenance or upgrade program, this engine mount is a critical element in preserving the reliability and performance of the PA-34-200T, ensuring pilots can trust in the aircraft s structural integrity and operational readiness for both short and long-haul missions.

### **Pros and Cons of buying a Piper PA-34-200T Seneca Engine Mount (Piper P/N 95551-23, Continental 8130-3 Compatible)**

1. **Direct Compatibility with Continental 8130-3 Engine**

- The mount is specifically designed for the **Continental IO-520-E (8130-3 series)**, ensuring proper fitment without modifications. This reduces the risk of misalignment or structural issues that could arise with aftermarket or mismatched mounts.

2. **OEM Quality and Durability**

- As an original Piper part, it is built to the same standards as the factory installation. This means it should provide reliable performance and longevity if properly maintained.

- The mount is likely made from high-strength steel or aluminum, designed to handle the engine s weight and vibration loads without excessive wear.

3. **Simplified Installation**

- Since it is a direct replacement, installation should be straightforward if the existing mount is removed cleanly. No major modifications to the firewall or engine bay are typically required.

- Piper provides installation instructions, reducing guesswork for mechanics unfamiliar with the process.

4. **Safety and Structural Integrity**

- A properly installed engine mount ensures the engine remains securely attached to the firewall, preventing dangerous movement during flight. This is critical for safety, especially in turbulent conditions.

- The mount helps distribute engine vibrations, reducing stress on the firewall and other aircraft structures.

5. **Cost-Effective Replacement**

- While not the cheapest option, it is often more affordable than custom or aftermarket mounts, especially if sourced from a reputable Piper dealer or authorized distributor.

- Avoiding a poorly fitted mount can prevent costly repairs down the line, such as firewall damage or engine misalignment.

6. **Warranty and Support**

- Purchasing from an authorized source may include warranty coverage, providing recourse if the part fails prematurely due to defects.

- Piper s technical support can assist with installation questions or compatibility concerns.

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1. **Age and Potential Obsolescence**

- The Piper PA-34 Seneca is an older aircraft model (introduced in the 1970s), and some parts may no longer be as readily available as they once were. While the mount itself is still in production, sourcing it may require contacting specialized aviation suppliers.

- If the aircraft has high time, the mount may have already seen significant use, and its remaining service life could be uncertain without inspection.

2. **Limited Availability and Lead Times**

- Depending on the supplier, there may be delays in receiving the part, especially if it is ordered from a distributor rather than a local aviation shop.

- Some dealers may charge premium prices for "new old stock" (NOS) parts, increasing the overall cost.

3. **Potential for Wear or Damage**

- If the existing mount is being replaced due to failure (e.g., cracked bolts, worn bushings, or fatigue cracks), the new mount must be inspected for defects upon receipt. A poorly manufactured or damaged part could lead to the same issues.

- Corrosion or pitting on the mount could weaken its structural integrity, so a thorough inspection is essential before installation.

4. **Installation Complexity**

- While the mount is designed for ease of replacement, improper installation such as incorrect torque on bolts or misalignment can lead to vibration issues, engine movement, or even firewall damage.

- Some mechanics may lack experience with Seneca-specific installations, requiring additional research or consultation with Piper s technical resources.

5. **Cost Compared to Aftermarket Alternatives**

- Aftermarket mounts (e.g., from companies like **Aero Tech, Aircraft Spruce, or custom fabricators**) may offer slight weight savings or improved vibration dampening. However, these often come with a higher price tag and require validation for airworthiness.

- The OEM mount, while not the most advanced, is a proven solution with a long track record of reliability.

6. **Maintenance and Inspection Requirements**

- Engine mounts should be inspected periodically for cracks, loose bolts, or signs of fatigue, especially in high-time aircraft. Neglecting these checks can lead to catastrophic failure.

- The mount may require periodic re-torquing or replacement of bushings, adding to long-term maintenance costs.

---

### **Conclusion**

The **Piper PA-34-200T Seneca engine mount (Piper P/N 95551-23)** is a **reliable, direct-replacement part** that ensures proper engine attachment and structural integrity for the Continental 8130-3 engine. Its primary advantages lie in **compatibility, durability, and ease of installation**, making it an ideal choice for owners seeking a straightforward solution. However, potential drawbacks include **limited availability, the risk of wear in high-time parts, and the need for careful installation and inspection**.

For most Seneca owners, this mount is the **best balance of reliability and cost-effectiveness**, provided it is sourced from a reputable supplier and installed correctly. If budget allows, pairing it with a **vibration dampening system** (e.g., rubber bushings or isolators) can further enhance performance.

---

### **Recommendation**

1. **Source from an Authorized Piper Dealer or Trusted Aviation Supplier**

- Purchase from a dealer with a history of selling genuine Piper parts to avoid counterfeit or substandard mounts. Companies like **Piper Aircraft, Aircraft Spruce, or local FAA-approved repair stations** are good options.

2. **Inspect the Mount Thoroughly Before Installation**

- Check for cracks, corrosion, or deformities. If the part appears damaged, request a replacement or return it to the supplier.

- Verify that all hardware (bolts, nuts, washers) is included and in good condition.

3. **Follow Piper s Installation Instructions Precisely**

- Do not skip steps, such as torque specifications or alignment checks. Improper installation can void warranties and compromise safety.

- If unsure, consult a **Piper-certified mechanic** or the aircraft s maintenance manual.

4. **Consider Adding Vibration Dampening (Optional but Recommended)**

- While the mount itself is sturdy, adding **rubber bushings or isolators** (e.g., **Aero Tech s vibration dampeners**) can reduce cabin noise and stress on the firewall.

- This is particularly useful if the aircraft experiences excessive vibration during flight.

5. **Schedule Regular Inspections**

- Bolt tightness (re-torque as needed).

- Signs of fatigue or cracking in the mount structure.

- Bushings for wear or degradation.

6. **Document the Replacement**

- Record the installation in your aircraft logbook, noting the part number, installation date, and any modifications. This ensures compliance with FAA regulations and aids future maintenance.

**Final Verdict:** The **Piper 95551-23 engine mount is the safest and most practical choice** for Seneca owners replacing a worn or failed mount. Its OEM status guarantees compatibility and reliability, making it the **recommended option** over aftermarket alternatives unless specific performance benefits (e.g., weight savings) are required. Always prioritize **proper installation and maintenance** to maximize its service life.

Details:

. Any is for the sole purpose of identifying an item. Airworthiness is ONLY determined by the FAA approved mechanic or certified repair station item to be installed. Note: Buyer or their representative is to determine if the item airworthy/applicable and comply with all applicable Farsi when installing part on the aircraft.

Piper P/N 95551-23 PA-34-200T Seneca Engine Mount Sitcom WITH 8130-3. Currently 1900 items and growing daily.

part #: 9555123 prices

• $67.20-$600.00

specifications engineaviatio:

• for models: Continental
• for makes: Piper
• mpn: 95551-23
• part type: Engine Mount
• compatible make: Rochester
• country of origin: United States

returns engineaviatio:

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

payments engineaviatio:

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

shipping engineaviatio:

offer engineaviatio:

• started: March 29, 2026
• best offers: True
• quantity: 1
• availability: In Stock
• options: Seller-arranged-local-pickup
• sold: 0

seller engineaviatio:

• # reviews: 1847
• city: Maple Valley, Washington
• rating: 100.0%

general engineaviatio:

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

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