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Dayco
Water Pump Kit without SealsDayco WP257K1A Engine Timing Belt Kit with Water Pump
| Brand | Dayco WP257K1A |
|---|---|
| Product line | Water Pump Kit without Seals |
| Fits | Toyota and Lexus · 42 vehicles |
Water pump kit. Includes the pump for a complete timing service.
No seals included. Lets you reuse compatible seals when appropriate.
Cross-references ASC WPK-0002, CARQUEST TCKWP257 and Continental-ContiTech TB257LK1 for the same application. See all 5.
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Not what you need? See all Engine Timing Belt Kit with Water Pump options
Dayco Timing Belt Kit with Water Pump
Dayco WP257K1A is a timing belt kit with water pump for select Toyota and Lexus applications. It is built for engine service on vehicles that require coordinated replacement of the timing belt, water pump, and related timing components.
Key Features
- Dayco Water Pump Kit without Seals
- Engine Timing Belt Kit with Water Pump configuration
- Includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, and camshaft belt idler
- Direct-fit service part for timing system maintenance
- Cross-references CARQUEST TCKWP257 and Gates TCKWP257 for the same application
Detailed Description
WP257K1A is a Dayco timing belt kit with water pump for 1994-2001 Lexus ES300, 1995-2004 Toyota Avalon, 1994-2001 Toyota Camry, 1999-2003 Lexus RX300, 1998-2003 Toyota Sienna, and 1999-2003 Toyota Solara. This kit supports timing system service on Toyota Camry and Lexus ES300 engines where the water pump and belt-driven components are serviced together. The Dayco WP257K1A part number is commonly searched for timing belt replacement jobs on Toyota Avalon and Lexus RX300 models as well.
Common Repair Uses
- Timing belt wear, cracking, or age-related replacement
- Water pump service during scheduled timing maintenance
- Noisy or worn camshaft belt tensioner or idler
- Hydraulic timing belt actuator replacement during engine service
- Restoring proper timing system operation after inspection
Installation Notes and Tips
Verify engine code and existing component layout before ordering. Replace timing components as a matched service set when the belt system is opened, and confirm all pulleys, tensioners, and the water pump are aligned and torqued to specification during installation. This part number is WP257K1A.
Quality Assurance
Dayco supplies engine timing components for service applications, and this kit is organized for the listed Toyota and Lexus fitments. Confirm vehicle year, make, and model against the fitment data before installation.
This part fits 42 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2003 | Lexus | RX300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2003 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2003 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2003 | Toyota | Solara | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2002 | Lexus | RX300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2002 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2002 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2002 | Toyota | Solara | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Lexus | RX300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2001 | Toyota | Solara | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Lexus | RX300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 2000 | Toyota | Solara | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Lexus | RX300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1999 | Toyota | Solara | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1998 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1998 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1998 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1998 | Toyota | Sienna | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1997 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1997 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1997 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1996 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1996 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1996 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1995 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1995 | Toyota | Avalon | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1995 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1994 | Lexus | ES300 | — | — | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| 1994 | Toyota | Camry | 3.0L | V6 | N/A | Engine Timing Belt Kit with Water Pump includes Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler.; Water Pump Kit without Seals |
| No rows match your filter. | ||||||
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ASC — WPK-0002CARQUEST — TCKWP257Continental-ContiTech — TB257LK1Gates — TCKWP257NAPA — WPK42340