Proline® Piston Rings For Stihl Early 025 42MM Piston, FS450, SP450, SP451
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Proline® Piston Rings 42MM × 1.2MM For Stihl Echo Shindaiwa

$8.95

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SKU: PR4212 Barcode: 21382179

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Description Fits Models Warranty

Proline® piston rings for select Stihl, Echo and Shindaiwa equipment. Please verify your OEM part number for proper fitment. Actual pictures shown. Parts are not made in China.

Includes:

  • Piston rings (2)

Specs:

  • Size: 42mm × 1.2mm
  • End gap type: Side pin
  • Color: Silver

Replaces OEM Numbers:

  • Stihl: 1121 034 3001, 11210343001, 1123 034 3003, 11230343003
  • Echo / Shindaiwa: 10001143230, 100011-43230

⚠️ IMPORTANT FITMENT

  • 025: Fits early versions equipped with a 42mm piston
  • Later 025 versions use a 42.5mm piston and require a different piston ring
  • Verify your piston size or OEM part number before ordering

Stihl

Chainsaws:

  • 025 — 42mm version only

Trimmers / Brushcutters:

  • FS450, FS450K
  • FR450
  • FR480, FR480C

Harvesters:

  • SP450
  • SP451
  • SP481

Echo

Trimmers / Brushcutters:

  • CLS-4600, CLS-4610
  • RM-460K, RM-460KS, RM-465
  • SRM-4600
  • SRM-4605, SRM-4605U

Shindaiwa

Brushcutters:

  • B460

Warranty

Proline® internal engine components e.g  cylinder , piston, bearings piston rings and electrical parts have a 90 day warranty from the day of purchase. (**Conditions Apply)

Carburetors carry a 30 day warranty from day of purchase.

All other Proline® parts carry a 120 day warranty.

Original (OEM) parts (Tools excluded) are 30 days. If you need to return a part please contact us for a Return Authorization Number (RMA)

If you need to return an item, please contact us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

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