12033AC300 Subaru RING SET-PISTON, Price: 110.64$, Weight: 1kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12033AC300 |
RING SET-PISTON |
0 |
1 |
|
110.64$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
RING SET-PISTON
|
0 |
1.15
|
-
|
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 |
Engine Piston Ring Kit for Subaru Boxer Engines
This piston ring kit is a critical sealing part inside the engine. It is needed to keep strong compression, control oil on the cylinder wall, and push combustion pressure into power instead of leakage. In a flat/boxer engine, good ring seal is even more important because oil control and blow-by management affect smooth running and fuel economy.
How It Works ⚙️
The rings sit in grooves around the piston and ride against the cylinder wall. During operation, they expand slightly and maintain contact to seal the chamber. One set focuses on compression sealing, while the oil ring scrapes excess oil back down to the sump, leaving only a thin lubricating film.
Why You Must Replace It ✅
- Restores lost compression and stable idle
- Reduces oil burning and spark plug fouling
- Helps protect cylinder walls from scuffing
If the Rings Are Worn or Broken
Expect low power, hard starting, blue exhaust smoke, high oil use, increased crankcase pressure, and poor MPG. In severe cases, broken rings can score the cylinder wall, causing expensive engine rebuild work.
Compatibility
- Subaru BRZ