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OE Quality
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Dayco DP1250 Engine Water Pump
| Brand | Dayco DP1250 |
|---|---|
| Fits | Lexus · 53 vehicles |
Engine water pump. Circulates coolant to help maintain proper engine temperature.
$123.42Free shipping
In stock · usually ships same day before 1pm CST
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Dayco DP1250 Engine Water Pump
The Dayco DP1250 engine water pump is a direct-fit cooling system replacement for select Lexus models with serpentine belt driven systems. It is built for applications where consistent coolant circulation is critical to maintaining stable engine temperature.
Key Features
- Engine water pump for select Lexus GS300, GS350, GS450h, IS250, IS300, IS350, RC300, and RC350 applications
- Fits serpentine belt driven systems only
- Direct replacement part number: DP1250
- Supports proper coolant flow through the engine cooling circuit
- Application-specific fitment for model-year coverage listed below
Detailed Description
Dayco DP1250 is an engine water pump for Lexus vehicles equipped with serpentine belt driven systems. This part number covers multiple Lexus sedan and coupe applications, including 2006-2018 Lexus GS, IS, and RC models, with fitment varying by year and engine configuration. If you are searching for a Lexus GS350 water pump, Lexus IS250 water pump, or a Dayco DP1250 replacement for a serpentine belt driven system, this part is listed for the confirmed applications shown here.
This part cross-references OE-style replacement needs for the same application. Use the vehicle notes to confirm whether your Lexus is equipped with a serpentine belt driven system before ordering.
What It Helps Address
- Coolant circulation problems caused by a worn water pump
- Engine overheating from reduced coolant flow
- Coolant leaks at the pump assembly
- Noise or bearing wear from a failing pump
- Temperature instability in the cooling system
Installation Notes and Tips
- Confirm engine configuration and belt drive type before installation.
- Inspect the serpentine belt, tensioner, and cooling hoses during service.
- Flush contaminated coolant before installing the replacement pump.
- Verify the cooling system is properly bled after installation to remove trapped air.
Quality Assurance
Dayco is a recognized aftermarket brand for engine drive and cooling components. The DP1250 is cataloged for the specific Lexus applications listed in the fitment data.
Fitment
- Fits 2013-2018 Lexus GS450h, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2007-2011 Lexus GS450h, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2018 Lexus IS300, N/A, serpentine belt driven; to 10/2017.
- Fits 2018 Lexus IS350, N/A, serpentine belt driven; to 10/2017.
- Fits 2018 Lexus RC300, N/A, serpentine belt driven; to 10/2017.
- Fits 2018 Lexus RC350, N/A, serpentine belt driven; to 10/2017.
- Fits 2016-2017 Lexus IS300, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2006-2017 Lexus IS350, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2016-2017 Lexus RC300, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2015-2017 Lexus RC350, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2013-2015 Lexus GS350, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2007-2011 Lexus GS350, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2006-2015 Lexus IS250, N/A, compatible with vehicles equipped with serpentine belt driven systems.
- Fits 2006 Lexus GS300, N/A, compatible with vehicles equipped with serpentine belt driven systems.
This part fits 53 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2018 | Lexus | IS300 | 3.5L | V6 | N/A | Serpentine Belt Driven; To 10/2017 |
| 2018 | Lexus | IS350 | — | — | N/A | Serpentine Belt Driven; To 10/2017 |
| 2018 | Lexus | RC300 | 3.5L | V6 | N/A | Serpentine Belt Driven; To 10/2017 |
| 2018 | Lexus | RC350 | — | — | N/A | Serpentine Belt Driven; To 10/2017 |
| 2017 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2017 | Lexus | IS300 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2017 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2017 | Lexus | RC300 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2017 | Lexus | RC350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2016 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2016 | Lexus | IS300 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2016 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2016 | Lexus | RC300 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2016 | Lexus | RC350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2015 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2015 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2015 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2015 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2015 | Lexus | RC350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2014 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2014 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2014 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2014 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2013 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2013 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2013 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2013 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2012 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2012 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2011 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2011 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2011 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2011 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2010 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2010 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2010 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2010 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | Lexus | GS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | Lexus | GS450h | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | Lexus | GS300 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | Lexus | IS250 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | Lexus | IS350 | — | — | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
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