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Five black rubber crankshaft oil seals on white background

LAHDEK

LAHDEK 5 x Crankshaft Oil Seal Set For Stihl 044 MS440

SKU CH-QB38-97ZWE

Five-piece crankshaft oil seal kit fits Stihl 044 and MS440 chainsaws, replacing OEM parts 9640 003 1972 and 9640 003 1320 for two-stroke petrol engines

  • Five seals included for multiple repairs
  • Fits Stihl 044 and MS440 chainsaws
  • Replaces OEM parts 9640 003 1972 and 9640 003 1320
  • Designed for two-stroke petrol engines
  • New replacement engine component

Five-Piece Crankshaft Oil Seal Set

This five-piece crankshaft oil seal set is designed for the Stihl 044 and MS440 chainsaws. It replaces original equipment part numbers 9640 003 1972 and 9640 003 1320. The kit suits two-stroke petrol engines requiring a complete refresh of the crankshaft sealing surfaces. It is intended for owners and mechanics performing a full engine rebuild or crankcase reseal.

Verify Model And Part Numbers

Confirm that your saw is a Stihl 044 or MS440 before ordering. Cross-reference the original part numbers 9640 003 1972 and 9640 003 1320 against your service manual or the markings on the existing seals. This set is not compatible with other displacements or model series. Ensure the crankshaft and bearing bores are undamaged so the new seals can seat correctly.

Fits Standard Rebuild Workflow

The seals install into the crankcase halves during a bottom-end overhaul. Replacing the full set at once restores compression integrity and prevents lean-running conditions caused by air leaks. No specialised tooling beyond standard seal drivers is required. The kit supplies the complete quantity needed for the 044 and MS440 crankshaft, leaving no gaps in the parts list for this repair.

Highlights

  • Five seals included for multiple repairs
  • Fits Stihl 044 and MS440 chainsaws
  • Replaces OEM parts 9640 003 1972 and 9640 003 1320
  • Designed for two-stroke petrol engines
  • New replacement engine component

Specifications

No published specifications for this item yet.

Questions about this item

Does the 5-piece crankshaft oil seal set include any installation tools or gaskets, or are they sold separately?

The set contains five oil seals that replace Stihl part numbers 9640 003 1972 and 9640 003 1320. No tools or additional gaskets are included.

Are there different versions of this seal kit for the 044 and MS440 models, or does one set cover both?

One kit fits both the 044 and MS440 chainsaws; the five seals replace the two OEM numbers listed for those models.

How many crankshaft oil seal changes can I expect from the five seals supplied for a 2-stroke petrol chainsaw?

Each engine rebuild uses two seals, so the five-piece pack covers two complete replacements with one spare remaining.

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