CATEngine Parts

133-1247 Valve Cover Gasket — Cat 3306 3406

This is a high-quality valve cover gasket designed to seal the valve cover to the cylinder head, preventing oil and combustion gases from escaping the engine. Manufactured from durable materials that resist heat and oil degradation, it provides a superior seal compared to a worn or cracked gasket. Operators may notice oil leaks around the top of the engine, a burning oil smell, or increased smoke from the exhaust when this gasket fails.

Valve Cover Gasket – Part No 133-1247 – 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 TypeValve Cover Gasket
MaterialNBR rubber and steel
ApplicationEngine cylinder head sealing
Service LifeReplace every 4,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing valve cover gasket is often a visible oil leak around the perimeter of the valve cover. If ignored, the leak will worsen, potentially leading to oil dripping onto hot engine components and causing smoke. Continued operation risks significant oil loss and potential engine damage due to insufficient lubrication.

Installation Tip

Thoroughly clean both the cylinder head surface and the valve cover mating surfaces to remove all traces of old gasket material and oil. Ensure the valve cover bolts are tightened in the correct sequence and to the specified torque to achieve an even seal.

Service Note

Inspect the valve cover bolts and the cylinder head for any cracks or damage when replacing the valve cover gasket.