Ensure precise thermal regulation and peak operating efficiency for your luxury sedan or sport coupe with this premium mechanical Water Pump assembly (OE Part # 16100-09361 / 16100-39435). Specifically engineered for Toyota and Lexus's high-performance 2.5L, 3.0L, and 3.5L V6 (4GR-FSE, 3GR-FSE, 2GR-FSE) direct-injection engine architectures, this replacement unit delivers steady, optimized coolant circulation to eliminate localized hot spots and prevent thermal fatigue during high-speed cruising.

Vehicle Compatibility & Engine Application:

• Lexus GS 250 / 350 / 450h (GRL10 / GRL11 / GWS191): 2005–2020 (2.5L / 3.5L V6 4GR-FSE / 2GR-FSE / 2GR-FXE)

• Lexus IS 250 / 350 (GSE20 / GSE21 / GRL30): 2005–2020 (2.5L / 3.5L V6 4GR-FSE / 2GR-FSE)

• Toyota Crown / Crown Majesta (GRS180 / GRS200): 2003–2018 (2.5L / 3.0V / 3.5L V6)

• Toyota Mark X Mk1 / Mk2 (GRX120 / GRX130): 2004–2019 (2.5L / 3.0L V6 4GR-FSE / 3GR-FSE)

Engineering Highlights:

• High-Flow Impeller Profile: Precision-molded vanes maximize fluid throughput to effectively manage the intense thermal demands of high-compression V6 blocks.

• Low-Friction Bearing Assembly: Built to handle continuous accessory belt loads smoothly, eliminating operational noise and acoustic whine.