CATEngine Parts

1309888 Cap-Oil Filler — Cat 120M 12M

This is an oil filler cap designed to seal the engine's oil reservoir, preventing contamination and maintaining proper crankcase pressure. It is manufactured to meet stringent OEM quality standards, ensuring a secure fit and durable seal compared to a damaged or missing cap. Operators may notice oil leaks around the filler neck, increased oil consumption, or dirt and debris entering the engine if this cap is faulty or missing.

Cap-Oil Filler – Part No 1309888 – 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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Engine Parts Component

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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 TypeOil Filler Cap
MaterialRubber and Metal
ApplicationEngine Oil Reservoir
Service LifeReplace if seal is damaged or cap is loose
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A loose or damaged oil filler cap might first present as oil mist escaping from the filler neck. If the seal is compromised, dirt and debris can enter the engine, leading to accelerated wear of internal components. Prolonged operation with a faulty cap risks significant internal engine contamination and damage.

Installation Tip

Ensure the filler neck threads are clean before screwing on the new cap. Do not overtighten the cap, as this can damage the threads or the seal, leading to leaks.

Service Note

Check the condition of the oil filler neck for any damage or corrosion that might prevent a proper seal.