CATEngine Parts

443-9543 3 Pcs Piston Ring Kit — Cat 318D2 313D2

This 3-piece piston ring kit is essential for maintaining proper compression and oil control within the CAT engine cylinders. Manufactured to precise tolerances, these rings offer superior sealing and wear resistance compared to worn or broken original rings. Operators might observe increased oil consumption, blue exhaust smoke, or a noticeable loss of engine power when these rings fail.

3 Pcs Piston Ring Kit – Part No 443-9543 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypePiston Ring Kit (3-Piece)
MaterialCast iron with chrome plating
ApplicationEngine cylinder sealing
Service LifeReplace during engine overhaul or based on wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of worn piston rings include a gradual increase in oil consumption and slight blue smoke from the exhaust. If ignored, blow-by will increase, leading to reduced engine power and potential contamination of the crankcase oil. Continued operation risks cylinder wall scoring and severe engine damage.

Installation Tip

Always inspect the cylinder walls for scoring or wear before installing new piston rings; replace the cylinder liners if necessary. Ensure the ring gaps are staggered correctly to prevent leakage.

Service Note

Inspect pistons, cylinder liners, and connecting rod bearings for wear or damage when replacing piston rings.