CATEngine Parts

135-2374 Overhaul Gasket Kit — Cat Engine 3066 Excavator 320

This overhaul gasket kit provides all the necessary seals and gaskets to properly reseal the engine during a major overhaul or repair. Manufactured to meet stringent OEM quality standards, it ensures a reliable seal, preventing leaks and maintaining proper engine function, unlike a worn or incomplete set. Operators may notice external oil or coolant leaks, loss of compression, or white smoke from the exhaust if gaskets in this kit fail or are improperly installed.

Overhaul Gasket Kit – Part No 135-2374 – 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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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 TypeOverhaul Gasket Kit
MaterialMulti-material composite (NBR, Viton, Steel)
ApplicationEngine Block and Cylinder Head
Service LifeReplace during engine overhaul
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of failing gaskets from an overhaul kit can be visible external leaks of oil or coolant from the engine block or cylinder head area. If ignored, these leaks can lead to low fluid levels, causing overheating or lubrication issues, and potentially allowing contaminants into the engine. Continued operation with leaking gaskets can result in significant internal engine damage and costly repairs.

Installation Tip

Always clean the engine block and cylinder head surfaces meticulously to remove all traces of old gasket material and ensure a perfect seal. Never reuse old head bolts; always use new ones torqued to the manufacturer's specifications in the correct sequence.

Service Note

Inspect the cylinder head and engine block deck for flatness, and replace cylinder head bolts when installing an overhaul gasket kit.