Product Description
The 1125 034 3003 Piston Ring (Ø 46 × 1.2 mm) is a genuine STIHL replacement piston ring designed to restore proper compression and sealing within the cylinder. Precision-manufactured to OEM specifications, this ring ensures efficient combustion, reduced blow-by, and reliable engine performance when rebuilding or servicing the top end.

Key Features
✅ Part Number: 1125 034 3003
✅ Component Type: Piston Ring
✅ Diameter: 46 mm
✅ Ring Thickness: 1.2 mm
✅ Material: Hardened, wear-resistant steel
✅ Quality: Genuine STIHL OEM part for exact fit and durability

Benefits
✔️ Restores Engine Compression – Improves starting, power output, and idle stability.
✔️ Reduces Blow-By – Ensures proper sealing between piston and cylinder wall.
✔️ Improves Combustion Efficiency – Supports clean and efficient fuel burn.
✔️ Extends Engine Life – Ideal replacement for worn or damaged piston rings.
✔️ OEM Precision Fit – Designed to work perfectly with STIHL pistons and cylinders.

Compatible With
Commonly suits STIHL 034, 036, MS 340, MS 360, and other models using a 46 mm piston with a 1.2 mm ring.
(Always verify compatibility using your OEM parts diagram.)

Installation Tips
1️⃣ Remove the cylinder to access the piston.
2️⃣ Carefully remove the old piston ring.
3️⃣ Clean the ring groove and cylinder bore thoroughly.
4️⃣ Install the new ring with the locating pin aligned correctly.
5️⃣ Compress the ring and refit the cylinder carefully.
6️⃣ Reassemble and allow a short run-in period.