CATBearing & Bushing

1W2803 Plug — Cat 120g 130g

This is a high-quality plug designed to seal openings in various Caterpillar engine blocks and components, preventing leaks of fluids or contaminants. Manufactured to meet stringent OEM standards, it provides a reliable seal that resists vibration and temperature fluctuations, unlike a damaged or missing plug that can lead to fluid loss or ingress. Operators might notice fluid leaks around the engine block or the presence of dirt and debris in areas that should be sealed when this plug is compromised.

Plug – Part No 1W2803 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
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

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeThreaded Plug
MaterialSteel
ApplicationEngine Block / Fluid Systems
Service LifeReplace if removed or shows signs of corrosion/leakage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing or missing plug may initially present as a small fluid leak, such as oil or coolant, from the engine block. If ignored, the leak can worsen, leading to low fluid levels and potential overheating or lubrication issues. The primary risk is component damage due to insufficient fluid levels or contamination.

Installation Tip

Clean the threads of both the plug and the receiving hole thoroughly before installation. Over-tightening can strip threads, so apply appropriate torque or firm hand pressure as specified.

Service Note

Inspect the surrounding area for any signs of corrosion or damage to the engine block threads when replacing this plug.