12033AC300 Subaru RING SET-PISTON, Price: 93.37$, Weight: 1kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12033AC300 |
RING SET-PISTON |
0 |
1 |
2-3 |
93.37$ |
| Not Available | ||||||
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| 2 DOOR COUPE | 2000CC DOHC NA | STI | USA | 08.2017 | 2WD | 6SP MANUAL TRANSMISSION | View |
Precision Piston Ring Kit for Subaru Boxer Engines
This piston ring kit is a key internal engine service part that seals the gap between the piston and cylinder wall. It is needed to keep strong compression, control oil, and stop combustion gases from leaking into the crankcase. When you rebuild an engine or fix low compression, fresh rings help restore factory-like running ✅
How It Works
Piston rings sit in grooves around the piston. As the piston moves up and down, the rings press lightly against the cylinder wall to create a tight seal. One ring set handles compression, while the oil control ring scrapes extra oil back down, leaving only a thin lubricating film. This reduces blow-by, keeps power consistent, and improves fuel efficiency ⚙️
What Happens If It’s Worn or Broken
Damaged or stuck rings can cause low compression, misfires, oil burning, blue smoke, high crankcase pressure, and poor acceleration. Long-term driving may score cylinder walls, contaminate the catalytic converter, and increase engine wear fast
Why Technicians Replace It
- Fix oil consumption and smoke
- Restore compression after overheating or high mileage
- Support a full engine rebuild for reliable performance
Compatibility
- BRZ