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Hartzell Engine Tech V-Band Clamp 490127-0000 - Lycoming
MFR Model# 490127-0000
Overview
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FAA-PMA Turbo Exhaust Clamp for Lycoming TIO / TEO / LTO Series Engines The AeroForce 490127-0000 V-Band Clamp is an FAA-PMA approved replacement for Lycoming turbocharged exhaust systems, including TIO-540, TEO-540, LTO-360, and related applications.
This clamp secures the exhaust-to-turbocharger flange connection, maintaining a tight, continuous seal in high-heat turbo environments. Proper sealing is critical to prevent exhaust leakage, carbon monoxide intrusion, turbocharger inefficiency, and potential engine power loss. Following AD 2023-09-09, many spot-welded V-band clamps are subject to a 500-hour life limit or recurring 100-hour / 6-month inspections. The Hartzell PMA clamp is not subject to this AD, providing a long-term replacement option for Lycoming operators seeking reduced compliance burden. Replace the clamp if any of the following conditions are found:
Note: Inspect at each 100-hour, annual, or condition inspection per Hartzell Engine Technologies
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Features
- FAA-PMA approved for applicable Lycoming turbo engines
- Not subject to AD 2023-09-09 life limits
- Weld-free, rivet free construction to eliminate legacy weak points
- Braided wire cable and a floating retainer for improved load distribution and durability
- Integrated cable safety retention band for added security
- Designed for high-heat turbocharger exhaust connections
- Direct replacement for applicable OEM Lycoming part numbers
Eligible Aircraft
| Engine | Engine Model | Old P/N | AeroForce P/N | Airframe | Notes |
|---|---|---|---|---|---|
| Continental | TSIO-360-RB, LTSIO-360-RB | 670105, 646434, 653337 | 490127-0001 | Piper PA-34-220T Seneca V | 670105 does not appear in IPC, however part noted supersedes to 670105 |
| Continental | TSIO-360-MB, TSIO-360-SB | 670105, 646434, 653337 | 490127-0001 | Mooney M20K-252 | 670105 does not appear in IPC, however part noted supersedes to 670105 |
| Continental | TSIO-520-BE | 670105, 646434, 653337 | 490127-0001 | Piper PA-46-310P | 670105 does not appear in IPC, however part noted supersedes to 670105 |
| Continental | TSIO-550-C | 670105, 646434, 653337 | 490127-0001 | Textron LC41-550FG, T240 | 670105 does not appear in IPC, however part noted supersedes to 670105 |
| Continental | TSIO-550-G | 670105 | 490127-0001 | Mooney M20TN/M20V | |
| Continental | TSIO-550-K | 670105 | 490127-0001 | Cirrus SR22T | |
| Lycoming | LTO-360-E1A6D | LW-12093-8 | 490127-0000 | Piper PA-44-180T | |
| Lycoming | TEO-540-A1A | 40D21162-340M | 490127-0000 | Tecnam P2012 Traveler | 40D21162-340M does not appear in IPC |
| Lycoming | TIO-540-AE2A | 40D23255-340M | 490127-0000 | Piper PA-46R-350T, Piper PA-46-350P | |
| Lycoming | TIO-540-AF1A, TIO-540-AF1B | 40D21162-340M | 490127-0000 | Mooney M20M | Coupling 40D21162-340M was removed via SB M20-283A and AD2024-23-17. Aircraft will have 40D23255-340M Installed |
| Lycoming | TIO-540-AG1A | 40D21162-340M | 490127-0000 | Commander 114TC | Coupling 40D21162-340M was removed via SB 113-33A and AD2000-11-04. Aircraft will have 40D23255-340M Installed |
| Lycoming | TO-360-E1A6D | LW-12093-8 | 490127-0000 | Piper PA-44-180T |
Documents
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.