DNJ 5472638 - Engine Exhaust / Intake Valve Kit

Product Overview

The DNJ 5472638-Kit is a complete engine valve replacement set designed for Audi and Volkswagen vehicles from 1997 to 2006. This kit contains 12 nitride-coated intake valves and 8 nitride-coated exhaust valves, providing everything needed for a full valve service on 1.8L turbocharged engines found in the Audi A4, A4 Quattro, TT, and TT Quattro, as well as Volkswagen Beetle, Golf, Jetta, and Passat models. Nitride coating enhances durability and heat resistance, extending valve life and improving engine reliability. DNJ is a trusted supplier of OEM-quality engine components for European vehicles.

Kit Contents

• 12 x DNJ - (IV800) Engine Intake Valves - Nitride Coated
• 8 x DNJ - (EV800A) Engine Exhaust Valves - Nitride Coated

Cross Reference Numbers

This DNJ 5472638-Kit is equivalent to or replaces the following part numbers: 5472638Kit.

Vehicle Compatibility

This kit fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• Audi A4 1.8L Turbocharged (B5): 1997–2005
• Audi A4 Quattro 1.8L Turbocharged (B5): 1997–2005
• Audi A4 Cabriolet 1.8L Turbocharged (B6): 2003–2006
• Audi TT 1.8L Turbocharged (8N): 2000–2006
• Audi TT Quattro 1.8L Turbocharged (8N): 2000–2006
• Volkswagen Beetle 1.8L Turbocharged (A4): 1999–2005
• Volkswagen Golf 1.8L Turbocharged (MK4): 2000–2005
• Volkswagen Jetta 1.8L Turbocharged (MK4): 2000–2005
• Volkswagen Passat 1.8L Turbocharged (B5): 1998–2004

This kit may also fit other applications. Please use the vehicle selector tool to verify compatibility before purchase.

Why Shop at eEuroparts.com?

• Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
• Fitment Confidence: Our accurate cataloging ensures you get the right part the first time, backed by our fitment guarantee.
• Fast, Reliable Shipping: Most in-stock orders ship the same or next business day from our U.S.-based warehouse.
• Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
• Exclusive Kits That Fit™: Complete repair solutions with no guesswork.
• Established Trust: Serving the European car community since 2000.

Frequently Asked Questions

What problem does this valve kit solve, and why do I need it?

Engine valves control the flow of air and fuel mixture into the combustion chamber and exhaust gases out of the engine. Over time, valves wear, develop carbon buildup, or become warped, causing rough idling, loss of power, increased emissions, and poor fuel economy. A complete valve replacement restores proper engine breathing and combustion efficiency. This DNJ kit provides all intake and exhaust valves needed for a full cylinder head service on your 1.8L Audi or Volkswagen engine.

Is this the right valve kit for my Audi A4 or Volkswagen Jetta?

This kit is designed for 1.8L turbocharged engines in Audi A4, A4 Quattro, TT, and TT Quattro models from 1997 to 2006, as well as Volkswagen Beetle, Golf, Jetta, and Passat 1.8L models from 1998 to 2006. Use the vehicle selector tool above to confirm your exact year, model, and engine size before ordering. If your vehicle has a naturally aspirated 2.0L, 2.5L, or 2.8L engine, this kit will not fit.

Why is this a kit rather than buying valves individually?

Purchasing a matched valve kit ensures all intake and exhaust valves are the same quality, coating, and specification, which is critical for balanced engine performance and longevity. A complete kit also saves time and cost compared to sourcing 20 individual valves from different suppliers. The DNJ nitride coating is applied uniformly across all valves in this set, providing consistent heat resistance and wear protection.

What does nitride coating do, and why does it matter?

Nitride coating is a surface hardening process that increases valve durability and heat resistance. Coated valves resist wear from constant opening and closing, reduce friction against the valve seat, and maintain integrity at high combustion temperatures. This extends valve life and helps prevent premature failure, making nitride-coated valves a better long-term investment than uncoated alternatives.

What is involved in replacing these valves, and what tools do I need?

Valve replacement requires removing the cylinder head, disassembling the valve train, and pressing out old valves before installing new ones. This is an advanced engine repair typically performed by a professional technician using a valve spring compressor, press equipment, and precision tools. Improper installation can damage the cylinder head or cause valve seating issues. We recommend having this service performed at a qualified shop to ensure proper fitment and engine performance.

How long do these valves typically last?

Properly installed and maintained nitride-coated valves can last 80,000 to 150,000 miles or more, depending on driving habits, fuel quality, and engine maintenance. Regular oil changes and using quality fuel help extend valve life. If your engine shows signs of valve wear, such as rough running, loss of power, or increased emissions, valve service may be necessary.

Order DNJ 5472638-Kit today to support a complete, well-matched valve replacement for your Audi or Volkswagen. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right kit for your vehicle.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.