2003 Volkswagen Jetta Engine Timing Parts

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
• Excellent high temperature capabilities
• Compatible with wide range of fluids
• Delivers quality and reliable performance for every type of repair

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
• Resistance to EP lubricants
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

ENG TIMING BELT TNS

Designed to absorb changes in timing belt tension caused by variations in engine temperatures, speed or the general wear and aging of the belt, the Dayco hydraulic timing belt actuator keep belt tension at a constant level. It reduces noise, prevents belt flapping and ensures proper timing effectiveness throughout the entire service life of the belt. The Dayco hydraulic timing belt actuator is manufactured to meet the critical OE quality, form, fit and function requirements necessary for superior performance.

Product Features:

• Designed to dampen noise and enhance belt life
• Keeps belt tension at a constant level for better performance
• Meets OE fit, form and function criteria
• Prevents belt flapping

ENG TIMING BELT TNS

This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:

• 100% tested for reliable performance
• Durable housing features precisely machined mounting surface for proper sealing and fitment
• Equipped with weep chamber or similar feature to help prevent unnecessary replacement
• Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
• All gaskets or seals necessary for water pump are included
• This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
• This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
• This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
• Additional Notes: Includes gasket

This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:

• 100% tested for reliable performance
• Durable housing features precisely machined mounting surface for proper sealing and fitment
• Equipped with weep chamber or similar feature to help prevent unnecessary replacement
• Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
• All gaskets or seals necessary for water pump are included
• This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
• This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
• This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
• Additional Notes: Includes gasket

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and tough, wear-resistant belt

Dayco Timing Belts are manufactured with tough wear resistant fabric, high tensile strength cord and molded cog surface to provide consistent power transfer and high resistance to oil and engine heat. This belt has premium, high modulus glass fiber non-stretch cord to deliver precise length stability to keep the engine running smoothly over the life of the belt. Dayco’s patented, self-lubricating fabric provides exceptional resistance to abrasion, resulting in extended pulley and belt life. This specific round tooth, Teflon coated profile belt is designed for specific high performance, high temperature engines. Timing marks are applied on the belt for proper installation.

Product Features:

• Dayco’s patented, self-lubricating fabric provides exceptional resistance to abrasion; resulting in extended pulley and belt life.
• Made with premium, high modulus glass fiber non-stretch cord that delivers precise length stability to keep the engine timed precisely and running smoothly over the life of the belt
• This is a “high temperature” belt, made with high temperature resistant materials to resist temperature degradation
• Timing marks are applied on the belt for proper installation

Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:

• Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
• Offers noise reduction and minimum dimensional tolerances for precise valve timing
• Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
• Teflon coated profile round tooth with flat tip belt designed for specific high performance, high temperature engines

Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:

• Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
• Offers noise reduction and minimum dimensional tolerances for precise valve timing
• Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
• Timing marks are applied on the belt for proper installation

Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

• NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
• The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
• The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
• The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
• The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
• The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
• The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.

This replacement engine variable valve timing (VVT) solenoid is precision-engineered to match the fit and function of the original VVT solenoid. Made of quality materials for a long service life, it has been tested for proper performance.

Product Features:

• Ideal replacement – this VVT solenoid is professionally engineered to match the function and performance of the stock part on specific vehicle applications
• Durable construction – this part is made from quality materials to ensure a long service life
• Excellent value – the VVT solenoid is built to perform like original equipment quality at a competitive price
• Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance

The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:

• Precision-wound coated copper windings increase product durability and life cycle.
• Hard-coated and anodized spool valve to prevent corrosion and increase service life.
• Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
• Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
• 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
• 100% end-of-line tested to ensure product reliability, every time.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

• NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
• The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
• The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
• The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
• The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
• The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
• The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and tough, wear-resistant belt

The mechanical and automatic Tensioning Pulleys INA, permanently guarantee the constant maintenance of belt tension, doesn’t matter the external conditions and frequent speed changes that happen in daily driving, and assure the proper functioning of Distribution System and Accessories.

Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today¿s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.

The mechanical and automatic Tensioning Pulleys INA, permanently guarantee the constant maintenance of belt tension, doesn’t matter the external conditions and frequent speed changes that happen in daily driving, and assure the proper functioning of Distribution System and Accessories.

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt