12006AD110 Subaru PISTON SET,OS,0.25, Price: 52.60$, Weight: 0.501kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12006AD110 |
PISTON SET,OS,0.25 |
0 |
0.501 |
|
52.60$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
PISTON SET,OS,0.25
|
100 |
0.576
|
2-3
|
38.80$
|
Compatibility
| Body | Made For Region | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | RHD | 2.0L EMPI DOHC NA & LPG | 2.0X | Europe/General | 03.2005 | 11.2007 | View |
| Body | Made For Region | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | RHD | 2000CC EMPI DOHC NA & LPG | 20R | Europe/General | 06.2005 | 06.2007 | View |
| Body | Made For Region | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | RHD | 2.0L DOHC NA & LPG | 20RS | Europe/General | 03.2005 | 06.2006 | View |
0.25 Oversize Piston Kit for Subaru Boxer Engines ?
This premium oversize set is engineered for engines that have been lightly rebored by 0.25 mm. It restores lost compression, reduces oil consumption, and brings smooth, quiet operation back to your Subaru. Precision-machined aluminum alloy pistons keep weight low and heat stable for reliable performance ?.
Why you need it
With mileage, cylinders wear, taper, or get scored. Standard pistons can’t seal well, causing blow‑by and smoke. An 0.25 OS kit matches the fresh bore size, sealing the chamber, improving fuel economy, and protecting the cylinder walls.
How it works
The piston moves up and down, converting combustion pressure into crank rotation via the pin and rod. Rings provide gas seal and oil control; the skirt guides the piston; the crown handles heat. Correct clearances and ring gaps are critical ?.
If the piston fails
Expect knocking, low power, blue smoke, high oil use, and misfires. Broken skirts or seized rings can score the bore, contaminate bearings, and even damage the catalyst or turbo. Ignoring it risks a full engine rebuild.
Install notes
Rebore/hone to spec with a proper cross‑hatch, measure piston‑to‑wall clearance, set ring end gaps for 0.25 OS, and observe orientation marks. Always use clean oil during assembly and run‑in carefully.
Compatibility
- Legacy
- Impreza
- Forester