12033AB350 Subaru RING SET-PISTON, Price: 92.62$, Weight: 0.268kg


Make Number Name Availability Weight, kg Ship in, Days Price

Subaru

12033AB350

RING SET-PISTON

30

0.268

7-10

92.62$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Subaru
12033AB350 
RING SET-PISTON
10
0.308
2-3
101.21$
 

Compatibility

BodyEngineVehicle GradeMarketModel Year FromModel Year ToTrainDiagram
ワゴン2.5L EMPI SOHC NAIS アルカンターラセレクシヨン (-C)Japan05.201006.2011フルタイム4リンクドウ View
BodyEngineVehicle GradeMarketModel Year FromModel Year ToTrainDiagram
WAGON2500CC EMPI DOHC TURBOXT LTD PLUSUSA05.201111.2012FULLTIME 4WD View
BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
WAGON2500CC EMPI SOHC NAOUTBACK-SEUSA06.200606.2007NORMAL SUSPENSION View
BodyEngineVehicle GradeMarketModel Year FromModel Year ToTrainDiagram
WAGON OUTBACK2500CC EMPI DOHC TURBO25XT LIMITEDUSA03.200804.2009FULLTIME 4WD View

Engine Piston Ring Kit for Subaru Boxer 🔧

Precision-matched rings restore factory compression in Subaru flat-four engines. Built to OEM clearances, they seal combustion, control oil, and move heat from the piston to the cylinder wall. Ideal for engine rebuilds, curing blue smoke, and reducing oil consumption. 🛠️

Why you need it

Install when compression drops, exhaust shows blue haze, spark plugs foul, or the block has been honed/overhauled. Fresh rings bring back crisp starts, clean burn, and stable idle.

How it works

Three-stage design: a moly-faced top ring holds peak pressure; a second scraper limits blow‑by; a multi-piece oil control (rails + expander) meters film thickness. Ring tension expands to the cylinder, following the cross‑hatch to keep a tight seal through every stroke. 🚗

If damaged or worn

Symptoms include loss of power, misfire under load, heavy crankcase vapors, rising oil use, blue smoke, and failed emissions. Continued driving risks scored bores, stuck rings, and catalytic converter damage.

Install notes

Measure bores, set correct end‑gaps, stagger openings 120°, face marks up, check side clearance, oil lightly, and perform proper break‑in.

Compatibility

  • Legacy
  • Impreza
  • Forester
  • Exiga