1121211460 piston ring set for ISUZU engine spare part

1121211460 piston ring set for ISUZU engine spare part Featured Image
  • 1121211460 piston ring set for ISUZU engine spare part

Short Description:

Piston ring set for Isuzu 4BG1/6BG1 engine overhaul, seals combustion gas and scrapes excess oil on cylinder wall to maintain cylinder pressure and control oil consumption.

Product Detail

Product Tags

description

The piston ring set consists of compression rings and oil ring, installed inside piston grooves and clinging tightly to cylinder liner by spring tension. Compression rings seal high-temperature gas to prevent pressure leakage; oil ring scrapes surplus lubricating oil from liner wall to stop oil entering combustion chamber. Worn rings, reduced tension, excessive ring gap and carbon sticking will cause oil burning, blow-by gas, low cylinder pressure, poor power and hard starting.

Part No.: 1121211460
Part Name: piston ring set
Matching Engine: Isuzu 4BG1/6BG1
Installation Position: Inside piston ring grooves
Matching Parts: piston, cylinder liner kit, overhaul gasket kit selected as overhaul set on demand

Application Scenarios

Fit for Isuzu 4BG1, 6BG1 series engines, compatible with Hitachi ZX200, ZX230, ZX240 excavators. Suitable for heavy-duty mining and earthmoving conditions. Used to replace worn, stuck and failed old piston rings during engine overhaul.

Maintenance & Replacement Tips 

Clean carbon deposits in piston grooves before assembly and check groove deformation.
Replace piston if grooves are damaged.
Confirm ring type and installation marks, align chamfer direction of compression rings and stagger ring gaps away from piston pin bore.
Check ring end gap and side clearance to meet OEM specification.
Do not overstretch rings to avoid permanent deformation.
Use dedicated piston ring compressor during installation to prevent ring breakage and cylinder liner scoring.
Replace all rings as a complete set instead of single piece.
Repair or replace cylinder liner and piston if wear exceeds tolerance.

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