LYCOMING 69510-62817 Thermostatic Valve Pressure Screen Housing PN69510V PN62817

( Brand: Lycoming ), ( Manufacturer Part Number: 69510-62817 ), ( Part Type: Valve Pressure Housing ), ( Country Of Origin: United States )

Review LYCOMING 69510 62817 Thermostatic Valve And Pressure Screen Housing

The **Lycoming P/N 69510 and P/N 62817 Thermostatic Valve Pressure Screen Housing Assembly** is a precision-engineered component designed for critical applications in Lycoming aircraft engine systems, specifically within the fuel metering and temperature regulation circuits. This robust, cast aluminum housing serves as the structural backbone for the thermostatic valve assembly, housing internal components such as the pressure screen, thermostatic element, and associated seals that work in tandem to maintain optimal fuel pressure and temperature conditions. The housing is meticulously machined to exacting tolerances, ensuring a tight, leak-proof fit with the engine s fuel control unit and other adjacent components, while its reinforced design withstands the rigors of high-altitude operations, rapid temperature fluctuations, and the constant vibration inherent in aviation environments. The integrated **pressure screen** within the assembly filters incoming fuel, preventing contaminants from clogging sensitive valve passages and ensuring consistent flow to the carburetor or fuel injection system. Meanwhile, the **thermostatic valve mechanism**, housed securely within this assembly, regulates fuel temperature by modulating flow based on ambient conditions, preventing fuel vaporization or icing in cold environments while maintaining efficient combustion efficiency. Constructed from high-grade aluminum alloy, the housing is anodized for corrosion resistance, a critical feature for aircraft components exposed to moisture, salt spray, and prolonged storage in varying climates. The design incorporates precise threaded ports and O-ring grooves to facilitate easy installation and removal during maintenance, adhering to Lycoming s stringent serviceability standards. Whether integrated into a Lycoming O-360, IO-360, or other model series, this component plays an indispensable role in ensuring reliable engine performance, fuel economy, and operational safety across a wide range of general aviation aircraft. Its compatibility with Lycoming s fuel control systems including both carbureted and fuel-injected configurations makes it a universally trusted part for both original equipment and aftermarket repairs, where precision and durability are non-negotiable.

### Pros and Cons of buying a Lycoming 69510/62817 Thermostatic Valve Pressure Screen Housing (PN 69510V, PN 62817)

1. **Compatibility and Fit:** This part is specifically designed for Lycoming engines, particularly those requiring a thermostatic valve pressure screen housing. The part numbers (69510V and 62817) are widely recognized in aviation maintenance circles, ensuring it will fit correctly without modification.

2. **Reliability:** Lycoming engines are known for durability, and genuine or high-quality aftermarket parts like this one are engineered to maintain performance and longevity. A properly functioning thermostatic valve system is critical for engine cooling and efficiency.

3. **Preventative Maintenance:** This component is part of the engine s cooling system, which includes the thermostatic valve, pressure screen, and housing. Replacing or servicing it as part of routine maintenance can prevent costly failures, such as overheating or coolant leaks, which could lead to engine damage.

4. **Ease of Installation:** The design of this part is straightforward, and it is typically serviced as part of a larger overhaul or inspection. Many mechanics and DIYers with basic engine knowledge can install it with the right tools and procedures.

5. **Availability of Support:** Since Lycoming engines are still widely used in general aviation, finding technical manuals, repair guides, and even replacement parts is relatively easy. This ensures you can get help if issues arise during installation or operation.

6. **Cost-Effective Long-Term Solution:** While the upfront cost may seem high, replacing worn or failing components like this one can save money in the long run by avoiding more extensive engine repairs or replacements.

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1. **Cost:** Genuine Lycoming parts, especially those with specific part numbers like 69510V and 62817, can be expensive. The price may be prohibitive for some owners, particularly if the part is only needed for routine maintenance rather than an immediate failure.

2. **Limited Availability of Aftermarket Alternatives:** While some aftermarket suppliers offer compatible parts, finding a direct replacement that meets Lycoming s exact specifications can be challenging. Cheaper alternatives might not fit perfectly or could compromise performance.

3. **Installation Complexity:** Depending on the engine s condition and the extent of the overhaul, installing this part may require disassembling significant portions of the engine. This can be time-consuming and may require specialized tools or expertise, especially for less experienced mechanics.

4. **Potential for Counterfeit Parts:** The aviation industry has faced issues with counterfeit parts, which can be dangerous if they fail or do not meet safety standards. Purchasing from reputable suppliers (e.g., Lycoming-authorized dealers or trusted aftermarket vendors) is essential to avoid this risk.

5. **Downtime:** Replacing or servicing this component often requires removing the engine from the aircraft, which can result in extended downtime. For operators who rely on their aircraft frequently, this can be inconvenient and costly.

6. **Technical Knowledge Required:** While the part itself is relatively simple, understanding the thermostatic valve system s role in engine cooling and ensuring proper installation (e.g., sealing, alignment) requires technical knowledge. Improper installation could lead to leaks or performance issues.

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The Lycoming 69510/62817 thermostatic valve pressure screen housing is a critical and well-engineered component for maintaining the health and efficiency of Lycoming-powered aircraft engines. Its pros such as reliability, compatibility, and preventative benefits outweigh the cons in most cases, particularly for owners who prioritize long-term engine performance and safety.

However, the cons primarily the cost, potential for counterfeit parts, and the complexity of installation should be carefully considered. If you are facing a genuine need for this part (e.g., as part of a scheduled overhaul or due to a known failure), investing in a high-quality, genuine, or reputable aftermarket part is justified. For owners on a tight budget or those who are unsure about installation, consulting a certified mechanic may be advisable to assess whether the part is truly necessary or if alternatives exist.

1. **Verify the Need:** Confirm whether this part is genuinely required for your engine s condition. Consult the engine s maintenance manual or a Lycoming-certified technician to ensure you are addressing a real issue rather than an unnecessary replacement.

2. **Source from a Reputable Supplier:** Purchase the part from an authorized Lycoming dealer or a trusted aftermarket supplier with a proven track record in aviation parts. Avoid purchasing from unknown sellers to mitigate the risk of counterfeit or substandard components.

3. **Budget for Installation:** Factor in not only the cost of the part but also labor if you are not comfortable installing it yourself. For complex engines, professional installation may be necessary to ensure proper function and safety.

4. **Consider Bundling with Other Maintenance:** If this part is being replaced as part of a larger overhaul (e.g., cooling system inspection, thermostatic valve replacement), take the opportunity to service related components to maximize efficiency and reduce future downtime.

5. **Document the Work:** Keep detailed records of the replacement, including part numbers, installation dates, and any observations during the process. This documentation is crucial for future maintenance and compliance with FAA regulations.

In summary, this part is a sound investment for maintaining engine reliability, but it should be procured and installed with care to ensure optimal performance and safety.

Details:

This housing and screen appears to have been installed on an engine, but removed before running perhaps oil filter was. Both parts are clean and oil free. The evidence that it was installed can be seen around the mounting holes in form of marks from lock washers.

part #: 6951062817 prices

• $33.50-$195.00

specifications engineaviatio:

• brand: Lycoming
• mpn: 69510-62817
• part type: Valve Pressure Housing
• country of origin: United States

offer engineaviatio:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: April 14, 2026
• sold: 0

shipping engineaviatio:

• service: USPS Ground Advantage
• transit: 4-10 Days
• type: Calculated
• class: Standard
• carrier: USPS
• cost: $0.00

payments engineaviatio:

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

returns engineaviatio:

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

general engineaviatio:

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

seller engineaviatio:

• # reviews: 1345
• rating: 100.0%
• city: Slatington, Pennsylvania

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