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05S21021 Lycoming Spring-Oil Filter By-Pass Valv

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05S21021 Lycoming Spring-Oil Filter By-Pass Valv

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Part numbers : RX1-07-14176 , 05S21021 , 07-14176
Unit of Measure: EA

60.11 EUR / EA 60.11 EUR 60.11 € excl. VAT

60.11 EUR / EA excl. VAT

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Lycoming P/N 05S21021 is a spring for the oil filter bypass valve.

Lycoming Service Instruction No. 1442A identifies this part as the replacement for former spring P/N 55C21021 in the oil filter bypass valve on applicable Lycoming piston engines with dual magneto accessory housings.

  • Manufacturer part number: 05S21021
  • Component: Oil filter bypass valve spring
  • Supersedes: 55C21021
  • Unit of supply: Each

Verify engine configuration, illustrated parts catalogue applicability, and current maintenance documentation before installation.

Relevant manufacturer documentation: Lycoming Service Instruction No. 1442A – Improved Oil Filter Bypass Valve.

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