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NWP Piston & Cylinder Assembly (50mm) for Stihl 044, MS 440 Chainsaws (Replaces 1128 020 1227)

NWP Piston & Cylinder Assembly (50mm) for Stihl 044, MS 440 Chainsaws (Replaces 1128 020 1227)

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Item #: CKN 044
In Stock

Replacement cylinder assembly from NWP. These cylinder assemblies are an economical option for your top end rebuild. Cylinder assembly includes a piston, rings, piston pin, circlips and cylinder. Cylinder bore is NiSi coated for long life. These pistons have a thin coat of molybdenum, which helps reduce friction and wear during the initial break in period. Piston rings are made from ductile cast iron, so your chances of breaking them during installation are greatly reduced. We recommend using a piston ring clamp set when changing your cylinder.

Important Note: Some chainsaw models have different piston and cylinder options. Please see the tabs below for specifications and fitment requirements before ordering.

Replacement cylinder assembly from NWP. These cylinder assemblies are an economical option for your top end rebuild. Cylinder assembly includes a piston, rings, piston pin, circlips and cylinder. Cylinder bore is NiSi coated for long life. These pistons have a thin coat of molybdenum, which helps reduce friction and wear during the initial break in period. Piston rings are made from ductile cast iron, so your chances of breaking them during installation are greatly reduced. We recommend using a piston ring clamp set when changing your cylinder.

Important Note: Some chainsaw models have different piston and cylinder options. Please see the tabs below for specifications and fitment requirements before ordering.

Item #: CKN 044
*Please select one valid option from each style
In Stock
Fits the following models:
  • Stihl 044* after serial number X 29 382 283, MS 440
  • Replaces Part Numbers 0000 120 1654, 1128 020 1227
  • Bore 50mm
  • Stroke 36mm
  • Displacement 70.7cc
  • Rings 50mm x 1.2mm
  • Important Note* Older 044 chainsaws made before serial number 29 382 283 have a 10mm wrist pin. In order to make this assembly to fit you will need to also purchase #PKM 044 10 piston assembly that has the 10mm piston pin.

    View the installation instructions (743K pdf file)

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