HUGHES 369A8004-3 Engine Up Seal Plate OH-6

( Brand: Hughes ), ( Manufacturer Part Number: 369A8004-3 ), ( Part Type: Seal Engine Plate ), ( Compatible Make: Oh-6 )

Review HUGHES 369 Oh-6 Engine Build up Part Seal Plate

The Hughes 369A8004-3 369OH-6 engine build-up seal plate is a crucial component in the maintenance and repair of the renowned Rolls-Royce 369 series engines, specifically the OH-6 helicopter model. This seal plate plays a vital role in preventing oil leaks by providing a robust and efficient seal between the crankshaft and the engine casing.

This build-up seal plate is meticulously crafted using high-quality materials that are resistant to extreme temperatures, pressures, and harsh operating conditions. The design consists of multiple layers, each contributing in turn to the plate's remarkable strength and reliability. The outer layer typically comprises a steel material, providing mechanical support and resistances to external forces, while the inner layers are made up of soft materials like bronze or graphite, which adapt easily to the complex contours of the engine and maintain a strong, tight seal against the crankshaft.

The Hughes 369A8004-3 build-up seal plate undergoes rigorous testing before being released for installation. These tests include, but are not limited to, pressure testing, leakage testing, and endurance testing, ensuring that the seal plate meets or exceeds the original equipment manufacturer (OEM) specifications.

Machined with the utmost precision, each seal plate boasts an excellent fit against the engine components, reducing the likelihood of safety concerns and easing installation procedures. The smooth finish and careful dimensioning also result in improved engine efficiency and aerodynamics.

These reliable seal plates exhibit excellent durability and can virtually eliminate the frequent need for replacements. When compared to conventional seal designs, the 369A8004-3 build-up seal plate offers superior sealing ability, higher resistance to wear and tear, and overall enhanced engine performance.

In summary, the Hughes 369A8004-3 369OH-6 engine build-up seal plate is an instrumental replacement or upgrade component for Rolls-Royce 369 engines, offering superior sealing performance, extreme durability, and reduced maintenance demands. By investing in this quality part, helicopter operators can seamlessly maintain and optimize their engines for continued functionality and safety.

Hughes 369A8004-3 369 Oh-6 Engine Build-Up Seal Plate: A Detailed Analysis

The Hughes 369A8004-3 build-up seal plate is a crucial component of the Rolls-Royce 36-series turboshaft engine. This seal plate plays a vital role in minimizing leakage between engine components and maintaining engine performance. Here's a brief analysis of the pros and cons of purchasing a Hughes 369A8004-3 build-up seal plate, followed by a conclusion.

1. Improved Engine Performance: A worn-out seal plate can negatively impact engine performance. Installing a new build-up seal plate, such as the Hughes 369A8004-3, can help restore the engine's original performance by reducing leaks and enhancing sealing efficiency.

2. Reduced Maintenance Costs: A damaged seal plate can lead to more significant repairs, whereas investing in a new seal plate can save you money in the long run by preventing further damage to the engine components and avoiding unnecessary maintenance.

3. Enhanced Safety: Proper engine sealing is essential for the overall safety of engine operations. A worn-out seal plate can create the potential for engine damage due to leaks or fluid contamination. The Hughes 369A8004-3 build-up seal plate is a reliable solution to maintaining a safely sealed engine.

1. Cost: The Hughes 369A8004-3 build-up seal plate may have a significant upfront cost, impacting the budget for engine overhaul or maintenance schedules.

2. Complex Installation: The installation process for the build-up seal plate requires specialized tools and knows-how, potentially increasing labor costs and requiring a well-equipped workshop.

3. Potential for Downtime: Installing a new seal plate may necessitate engine downtime during maintenance operations, which can impact flying hours and productivity.

In summary, the Hughes 369A8004-3 build-up seal plate offers several advantages, including improved engine performance, reduced maintenance costs, and enhanced safety. However, its cost, complex installation, and potential for downtime are notable drawbacks. Ultimately, the decision to purchase the Hughes 369A8004-3 build-up seal plate should be based on an assessment of your management of risk, budget, and operational requirements. For those who prioritize engine reliability and performance, the investment in a new seal plate is likely to be a worthwhile one. For others, a detailed cost-benefit analysis may be necessary to determine the most optimal solution.

In terms of recommendations, organizations operating Rolls-Royce 36-series engines that consistently require seal plate replacements could consider maintaining an inventory of these parts to reduce downtime and ensure quick turnaround during maintenance. Alternatively, they could explore extended service interval options with reputable engine MRO providers to potentially minimize the number of seal plate replacements needed. Ultimately, it's crucial to weigh the potential costs and risks of neglecting the seal plate against the benefits of investing in a new one for your specific operational needs.

Details:

Any is for the sole purpose of identifying an item. OH-6 book, Fig 23, item 6, New condition, never installed. Engine Build-Up part, Seal, plate, P/N 369A8004-3, Ref. Any question, please, ask before purchase.

Hughes 369, OH-6 part.

part #: 369a80043 price

• $125.00

specifications aviationpar:

• brand: Hughes
• mpn: 369a8004-3
• part type: Seal Engine Plate
• compatible make: Oh-6

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: New other see details

offer aviationpar:

• availability: In Stock
• started: January 6, 2025
• sold: 0
• options: Ship-to-home
• quantity: 1

returns aviationpar:

• policy: No Returns

payments aviationpar:

• wallet: Google-pay
• credit card: Diners-club
• other

shipping aviationpar:

• type: Fixed
• service: Standard
• cost: $12.65
• class: Standard
• transit: 4-10 Days

seller aviationpar:

• # reviews: 3745
• rating: 100.0%
• city: Mesa, Arizona

Hughes 369A8004-3 Is Similar To:

• 18603 And 1710-30101-2b Helicopter Powerline Services Md Hughes Engine Alignment Kit Nip (24.7% similar) Mechanics handy kit for those hard to find vibration issues. Please extend that same respect to us. New in package engine alignment tool kit for your MD helicopter. In rare instances this may not be the case as we both work full time jobs...(February 24th, 2020)
• Hughes 369d28633-17 369 Md Part Bracket Passivate (55.6% similar) Bracket passivity. More structural parts available for repair rebuild from crash. Any question, please, ask. Any is for the sole purpose of identifying an item. P/n 369D28633-17, new condition. FAA requirement / item to be determined by buyer, airworthy and comply with all applicable Farsi when ...(December 9th, 2023)
• Hughes Md 369d26566-63 369 Part L h Base Front Seat For Cushion (43% similar) P/n 369D26566-63. Any question, please, ask before purchase. Airworthiness is only determined by the FAA approved mechanic or certified repair station. Hughes 369 MD part, l/h cushion base front seat. Md book, IPC4. Any is for the sole purpose of identifying an item. Chap 25-10-00 fig 1 item 14, new...(December 16th, 2024)
• For Md 369h6573-71 500 Hughes 369 Hs Hc Pilot Cyclic Boot Part 2 (34.1% similar) Md 5 Hughes 369, series HS and HX part, pilot cyclic boot, boot assay, protective. On another listing, I have one more, identical, same condition. #2 p/n 369H6573-71 very good used usable condition. To be airworthy and to comply with all applicable Farsi when installing part on aircraft. FAA ...(March 16th, 2025)
• Hughes md 369a6303 369 500 Landing Gear Damper Assy Part 1 Plug Upper New (51.9% similar) Any is for the sole purpose of identifying an item. First to go will get original tags. The next ones will receive copies of the tag, any question, please, ask before purchase. Hughes 369, MD500 landing gear damper assay part, 1 plug upper, p/n 369A6303 ref. Md books series manual, fig 101, item 4, ...(October 17th, 2025)
• Hughes 1416-3 369 Part 2 Bushings P n New Factory Sealed (43.9% similar) Hughes 369, aviation aircraft part, 2 bushings p/n 1416-3 new, factory sealed. Any question, please, ask before purchase. To be airworthy and to comply with all applicable Farsi when installing part on aircraft. Is for the sole purpose of identifying an item. Cost of shipping for us, FAA requirement...(November 15th, 2025)
• Hughes md 369a5312 369 Md500 Main Transmission Assy Part Nozzle (49.6% similar) Any is for the sole purpose of identifying an item. Md books series manual, fig 160, item 22, from visual inspection, the part appears in excellent condition. Hughes 369, MD500 main transmission assay part, nozzle, p/n 369A5312, ref...(November 21st, 2025)
• Hughes 369 369h6624-11 Md Part Equipment Plate Assembly (53.1% similar) Dimensions are approximate and true color may vary from one device to another. Never installed. We'll work with you. Hughes 369 MD 500 part, plate assembly, p/n 369H6624-11, new condition from old inventory. To be airworthy and to comply with all applicable Farsi when installing part on aircraft. ...(November 22nd, 2025)
• Md500 369h2524-63 Hughes 369 Part Lower Fuselage Center Keel Beam 1 Stiffener (32.6% similar) To be airworthy and to comply with all applicable Farsi when installing part on aircraft. Hughes 369 MD 500 parts, lower fuselage keel beam, 1 stiffener, p/n 369H2524-63 this is the old p/n, 12 3/4 long, new condition never installed. We'll work with you. Dimensions are approximate and true color ...(November 22nd, 2025)
• Hughes md 369d25705-21 369 500 Main Transmission Part Hose Assy New With Tag (46.3% similar) Any is for the sole purpose of identifying an item. Any question, please, ask before purchase. Comes with serviceable tag. Hughes 369, MD part, main transmission hose assay, p/n 369D25705-21, from visual inspection, part is in excellent new condition...(December 6th, 2025)
• Hughes 369a2026 369 Oh-6 Engine Bay Access Door Hook Lock (59.1% similar) We'll work with you. Engine access door hook lock, p/n 369A2026 new condition. Hughes 369, OH-6 part. Item to be determined by buyer, airworthy and comply with all applicable Farsi when installing part on aircraft. Dimensions are approximate and true color may vary from one device to another...(January 12th, 2026)