CATEngine Parts

9t-7729 Cylinder Block — Cat 235C 235D

This cylinder block forms the core structure of the CAT engine, housing the cylinders, crankshaft, and other vital components. It is precision-machined to meet OEM specifications, providing a robust foundation that differs from a cracked or worn block which can lead to internal leaks. Operators may notice oil or coolant leaks, knocking sounds from the engine, or a significant loss of power when the cylinder block is compromised.

Cylinder Block – Part No 9t-7729 – 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 TypeCylinder Block
MaterialCast Iron
ApplicationCAT Engine Core Structure
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing cylinder block is often external leaks of oil or coolant, or internal mixing of these fluids. If ignored, cracks can propagate, leading to severe internal engine noise and a rapid loss of compression and power. Continued operation risks catastrophic internal engine damage.

Installation Tip

Thoroughly clean all oil and coolant passages within the block before assembly to prevent blockages. Ensure the block is properly aligned with the transmission or chassis to avoid undue stress on the structure.

Service Note

When replacing a cylinder block, it is essential to inspect and replace the crankshaft, bearings, pistons, and connecting rods.