CATEngine Parts

188-2103 Floating Seal — Cat C18 3406

This floating seal is a critical component designed to prevent the ingress of contaminants and the egress of lubricant in rotating shaft applications. Manufactured to meet Caterpillar's exacting standards, it provides a durable seal compared to worn or damaged seals that can allow dirt and debris into vital components. Operators may notice lubricant leaks or hear increased noise from the affected component when this seal fails.

Floating Seal – Part No 188-2103 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

IST.', };

Related CAT Parts

From the same category — may also be needed

125-1128
Turbo S2Esl105 Turbocharger
tm5594001
Alternator
2560181
Engine Parts Component
9c-8021-9c-8022
2 Pieces Brake Pad
077-7375-3i-0925
Air Filter
314-7755
Automatic Voltage Regulator Avr

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeFloating Seal
MaterialSteel and Buna-N rubber
ApplicationShaft sealing in final drives and hubs
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing floating seal is typically the appearance of grease or oil around the component's housing. If left unaddressed, this leakage will worsen, potentially leading to lubricant starvation and increased wear on rotating parts. Continued operation risks severe damage to the final drive or hub components due to lack of lubrication and contamination.

Installation Tip

Ensure the mating surfaces on the shaft and in the housing are perfectly clean and free of burrs before installation. Press the seal halves together evenly, ensuring they seat properly without cocking.

Service Note

Inspect the shaft and housing for wear or damage before installing new floating seals.