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Available as
Genuine (OEM)
New original part from the vehicle maker
- Toyota GenuineMaker's part number16100-3943643.6 USD
Aftermarket
New part from an independent brand
Equivalent parts from other brands, each shown with that brand's own part number. The expert confirms the fit for your car.
- Brand confirmed on quote41.7 USD
- GMBGMB part numberGWT160AM48.2 USD
- GMBGMB part numberGWT160AMT55.6 USD
Reference prices as of Oct 18, 2026.
Part numbers
The maker's number, and the numbers other brands give their equivalent of this part. You can search by any of them.
OEMLexus16100-39436InterchangeToyota Genuine1610039435InterchangeGWT-160EquivalentGMBGWT160AMEquivalentGMBGWT160AMT
Fits these vehicles
LexusIS XE202006–20133GR-FEGCC
LexusIS2006–
LexusIS XE302014–2GR-F, 4GR-FSEGCC
ToyotaLesus Is250All years
Variants differ by market, trim and year: send your VIN with the request and the expert matches the exact part.
About this part
Water pump for the Lexus IS XE20 (2006–2013) — part of the engine cooling system. Listed fitment: Lexus IS XE20 (2006–2013); Lexus IS XE30 (2014–). Part number 16100-39436.









