CATEngine Parts

1W5817 Pan-Rear Oil — Cat 320C 320D

This rear oil pan is a crucial component of the engine's lubrication system, designed to store and collect engine oil. Manufactured from durable materials to meet rigorous quality standards, it provides a reliable seal and containment compared to a cracked or corroded original pan. Observable symptoms of a failing oil pan include visible oil leaks underneath the engine, a low oil pressure warning, or an unusual engine noise.

Pan-Rear Oil – Part No 1W5817 – 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 TypeRear Oil Pan
MaterialSteel
ApplicationEngine lubrication system
Service LifeReplace as needed due to damage or corrosion
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of a failing oil pan is typically a visible oil leak beneath the engine. If ignored, the oil level will drop, potentially leading to increased engine noise and reduced lubrication. Continued operation with insufficient oil can cause severe internal engine damage.

Installation Tip

Ensure the mounting surface on the engine block is clean and free of old gasket material or debris before installing the new pan. Overtightening the mounting bolts can distort the pan flange, leading to leaks.

Service Note

Inspect the oil pump pickup screen and the engine oil for any metal particles that could indicate internal wear or damage.