Dayco
Water Pump Kit without Seals

Dayco WP306K1A Engine Timing Belt Kit with Water Pump

Brand Dayco WP306K1A
Product line Water Pump Kit without Seals
Fits Audi and Volkswagen · 16 vehicles

Water pump kit. Includes the pump for a complete timing service.

Seal-free design. Supplied without seals for a simpler parts package.

Cross-references ASC WPK-0065, CARQUEST TCKWP306A and Continental-ContiTech TB306LK2 for the same application. See all 5.

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Dayco Timing Belt Kit with Water Pump

The Dayco WP306K1A is a water pump kit without seals for select Audi and Volkswagen applications. It combines timing system service parts with a water pump featuring a plastic impeller for a focused repair on the engine’s belt-driven cooling and timing components.

Built for 2001-2006 Audi A4 and A4 Quattro models, plus 2001-2005 Volkswagen Passat applications, this Dayco Water Pump Kit without Seals supports timing belt service on vehicles that require coordinated replacement of the pump, belt, tensioner, and idler components. The WP306K1A is a practical choice when servicing the timing belt system on these fitments.

Key Features

  • Dayco WP306K1A timing belt kit with water pump
  • Water pump with plastic impeller
  • Includes timing belt, hydraulic timing belt actuator, camshaft belt tensioner, and camshaft belt idler
  • Water pump kit without seals
  • Fits select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications

Fitment Details

  • Fits 2002-2006 Audi A4, N/A; includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, camshaft belt idler; w/ plastic impeller; water pump kit without seals.
  • Fits 2002-2005 Audi A4 Quattro, N/A; includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, camshaft belt idler; w/ plastic impeller; water pump kit without seals.
  • Fits 2001-2005 Volkswagen Passat, N/A; includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, camshaft belt idler; w/ plastic impeller; water pump kit without seals.
  • Fits 2001 Audi A4, N/A; from chassis 8D-1-042-385; includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, camshaft belt idler; w/ plastic impeller; water pump kit without seals.
  • Fits 2001 Audi A4 Quattro, N/A; from chassis 8D-1-042-385; includes water pump, timing belt, hydraulic timing belt actuator, camshaft belt tensioner, camshaft belt idler; w/ plastic impeller; water pump kit without seals.

What It Helps Address

  • Timing belt wear or age-related service intervals
  • Water pump leakage or cooling system service needs
  • Belt tension irregularity from worn tensioner components
  • Camshaft drive noise from aging idler components
  • Preventive maintenance on Audi A4, Audi A4 Quattro, and Volkswagen Passat timing systems

Installation Notes

Verify engine code, chassis breakpoints, and application details before ordering. This kit is intended for timing belt service where the water pump and related belt-drive components are replaced together. Confirm the vehicle’s exact fitment against the listed year, make, model, and notes for the WP306K1A.

Quality Assurance

Dayco supplies engine timing components for service applications that require accurate fitment and coordinated replacement of wear items. This part cross-references Gates TCKWP306A and Continental-ContiTech TB306LK2 for the same application.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006AudiA41.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2005AudiA41.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2005AudiA4 Quattro1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2005VolkswagenPassat1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2004AudiA41.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2004AudiA4 Quattro1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2004VolkswagenPassat1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2003AudiA41.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2003AudiA4 Quattro1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2003VolkswagenPassat1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2002AudiA41.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2002AudiA4 Quattro1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2002VolkswagenPassat1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2001AudiA41.8LL4N/AFrom Chassis 8D-1-042-385; Includes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2001AudiA4 Quattro1.8LL4N/AFrom Chassis 8D-1-042-385; Includes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
2001VolkswagenPassat1.8LL4N/AIncludes: Water Pump, Timing Belt, Hydraulic Timing Belt Actuator, Camshaft Belt Tensioner, Camshaft Belt Idler; w/Plastic Impeller; Water Pump Kit without Seals
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ASC — WPK-0065CARQUEST — TCKWP306AContinental-ContiTech — TB306LK2Gates — TCKWP306ANAPA — WPK41127B