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Superior SA654441 Spring-Valve Outer

Superior SA654441 Spring-Valve Outer

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Part numbers : RX1-08-11489 , SA654441 , 08-11489
Unit of Measure: EA

8.89 EUR / EA 8.89 EUR 8.89 € excl. VAT

8.89 EUR / EA excl. VAT

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Up to 88 EA ready to ship on Monday 2026-08-17
Order before 17:00 CET Tomorrow
Up to 147 EA ready to ship on Thursday 2026-08-20
Order before 17:00 CET Tomorrow
166 EA available on request, fees apply
Special order from vendor stock.

Superior Air Parts SA654441 is an outer valve spring for aircraft engine valve-train maintenance. Supplied as one piece.

  • Manufacturer: Superior Air Parts
  • Manufacturer part number: SA654441
  • Description: Spring-Valve, Outer
  • Replacement references stated in Superior documentation: 654441 and 637837
  • Unit of measure: Each

Refer to the applicable engine manufacturer overhaul manual and relevant service documentation when selecting and installing valve-train components.

Important: Superior Service Letter L98-09 states that SA654441 and the associated inner spring SA654442 must not be mixed on the same cylinder assembly with the earlier spring part numbers SA637837, SA631521, 637837 or 631521. The letter also states that these springs are not eligible for use in TCM GTSIO-520 series engines.

Relevant documentation: Superior Air Parts Service Letter L98-09, covering installation, operation and maintenance procedures for SA654441 and SA654442 reduced-pressure valve springs.

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