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RX1-08-11489

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Superior Air Parts

RX1-08-11489

Superior SA654441 Spring-Valve Outer

9.15 EUR/EA

Excluding VAT

Availability

Up to 56 EA ready to ship on Thursday 2026-11-12Order before 16:00 CET Tomorrow
Up to 125 EA ready to ship on Monday 2026-11-16Order before 16:00 CET Tomorrow
150 EA available on request, inbound freight fee of 60 EUR appliesSpecial order from vendor stock.

Part numbers

Roctexo
RX1-08-11489
Manufacturer
SA654441
Vendor
08-11489

Product details

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.