Keep coolant circulating through your V8 Lexus with the Airtex Engine Water Pump AW6338. This pump moves coolant between the engine and radiator to help maintain proper operating temperature, and it drops in as a direct-fit replacement for the 2016-2020 Lexus GS F, 2008-2011 Lexus GS460, 2008-2014 Lexus IS F, 2022-2025 Lexus IS500, 2018-2026 Lexus LC500, 2007-2017 Lexus LS460, 2008-2016 Lexus LS600h and 2015-2025 Lexus RC F (V8-4.6L and V8-5.0L). Airtex builds it with application-specific design and validates it for fit, form and function.
Fan clutch, pulley, mounting hardware, thermostat/housing and back housing are not included. Country of origin: China. Consult the vehicle service information for the correct fasteners and whether they may be reused.
Interchange: 252-934 · WPT-187 · WP-2248 · 57-1823 · 51-2577 · CWP-2248 · 18-2028 · 170-3010 · YH-T209 · 55-6338 · 3-2248 · PWP-2248
252934 · WPT187 · WP2248 · 571823 · 512577 · CWP2248 · 182028 · 1703010 · YHT209 · 556338 · 32248 · PWP2248 · 20969 · P224 · 5543167 · T4195 · W2248M · WP976 · CP6338 · 42248 · 98503 · 1610039505 · 1610039506 · US6338
This part cross-references / interchanges with the following part numbers:
What does the Airtex AW6338 water pump do?
It circulates coolant between the engine and radiator to help maintain proper operating temperature. It is driven by the serpentine belt and uses a steel 6-vane impeller.
Which vehicles does this water pump fit?
It is a direct-fit replacement for listed V8-4.6L and V8-5.0L Lexus models including the GS F, GS460, IS F, IS500, LC500, LS460, LS600h and RC F. See the Buyer's Guide tab for the full year breakdown.
Does it come with a pulley, hardware or thermostat?
No. The fan clutch, pulley, mounting hardware, thermostat/housing and back housing are not included, so transfer or source those items as directed by the service procedure.
What is this water pump made of?
It has an aluminum housing with a steel impeller featuring 6 vanes, plus unitized bearings, a pressed-on hub and unitized seals set to optimal impeller clearance.
What are signs my water pump may need replacing?
Common signs include coolant leaking from the pump area, a whining or grinding bearing noise, or engine overheating. Diagnose the cause first, since these can have other sources.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
