CATFilters

1646403 Filters Component — Cat D9T

This component serves as a vital filter, trapping abrasive particles and debris from circulating fluids within the machine's hydraulic or transmission system. Manufactured to high-performance specifications, it provides superior filtration efficiency over a worn or damaged filter that allows contaminants to pass. Operators may notice sluggish hydraulic operation, overheating, or abnormal noises when this filter begins to fail.

Filters Component – Part No 1646403 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFilters
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

1r0734-9n5680-9l9200
Oil Filter
2721788
Filters Component
2098217
Filters Component
9M2341
Filter
1328875
Excavators & Construction Equipment
1R0762
Element Spin On

Browse all CAT Filters →

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

Never run an engine without a filter — even briefly causes abrasive damage. Pre-fill fuel filters with clean fuel before fitting to reduce prime time. Replace O-rings on filter housings every second service. Record change dates on filter housing.

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

Part TypeFilter Element
MaterialReinforced cellulose media
ApplicationHydraulic or transmission fluid system
Service LifeReplace every 1,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 1646403 filter may initially present as a slight hesitation in hydraulic functions or a minor increase in fluid temperature. If the filter becomes completely blocked, it can trigger a bypass valve, allowing unfiltered fluid to circulate and cause rapid wear on pumps and cylinders. Continued operation with a failed filter risks significant damage to the entire hydraulic or transmission system.

Installation Tip

Before installing the new filter, carefully clean the filter housing and surrounding area to prevent any dirt from entering the system. Ensure the O-ring seal is properly seated and lubricated to prevent leaks.

Service Note

When replacing this filter, it is advisable to inspect the hydraulic fluid level and condition, and check for any metal particles in the old filter.