Volkswagen 2.0 TDI 1.6 TDI Cylinder Head OEM 03L103351 Fits A1 A3 A4 A5 A6 Q3 Q5 Jetta Passat Polo Crafter Transporter Amarok CFFA CBDA ENGINE HEAD

Product NO.

Product Information Cylinder Head

Product Overview

This OEM-quality Volkswagen Cylinder Head is engineered specifically for Volkswagen’s 1.6 TDI and 2.0 TDI diesel engines. Manufactured with precision to meet original equipment manufacturer (OEM) specifications, it is designed to fit a broad range of Volkswagen Group vehicles, including the A1, A3, A4, A5, A6, Q3, Q5, Jetta, Passat, Polo, as well as commercial vehicles like the Crafter, Transporter, and Amarok.

Made from high-strength cast aluminum, this cylinder head provides exceptional thermal resistance and durability, ensuring long-term engine performance and fuel efficiency. Whether you are performing an engine rebuild or replacing a damaged cylinder head, this high-quality part is an ideal choice for professional mechanics and DIY enthusiasts alike.

Key Features

• Compatibility: Designed to fit Volkswagen 1.6 TDI and 2.0 TDI engines (EA288 series, Common Rail Diesel).
  • Engine Types: CFFA, CFFB, CFGB, CGLA, CGLB, CJCA, CJCB, CAYB, CAYC, CSLB, CSNA, CWXA, CWXB, etc.
  • OEM Part Numbers: 03L103351F, 03L103265, 03L103351H, 03L103351P, 03L103063M (and other variants).
• Material:
  • High-strength cast aluminum designed for optimal heat dissipation and long-lasting performance.
  • Valve Seats & Guides: Built-in OEM-quality valve seats and guides for enhanced combustion efficiency.
• Engine Configuration:
  • 4 Cylinders, 16-Valve, Dual Overhead Camshaft (DOHC), ensuring precise control of intake and exhaust valves for maximum engine performance.
• Key Components:
  • High-flow intake/exhaust valves for improved fuel efficiency and engine responsiveness.
  • Camshaft & Timing Gear: Designed for TDI engines with the specific cam profile to maximize performance.
• Fuel Type: Diesel (Common Rail Diesel)
• Fuel Efficiency: Optimized for better combustion and fuel economy, minimizing exhaust emissions and improving engine life.

Applicable Models & Engine Codes

Volkswagen (VW) Models:

• Volkswagen A1, A3, A4, A5, A6
• Volkswagen Q3, Q5
• Volkswagen Golf, Jetta, Passat, Polo, Tiguan
• Volkswagen Crafter, Transporter, Amarok
• Audi: A3, A4, A6, Q3, Q5
• SEAT: Altea, Exeo, Ibiza
• Škoda: Octavia, Superb, Yeti

Engine Codes:

• 2.0 TDI (EA288): CFFA, CFFB, CFGB, CGLA, CGLB, CJCA, CJCB, CWXA, CWXB, CWXC
• 1.6 TDI CR: CAYB, CAYC, CSLB, CSNA, CLHA, CLCA

Years of Production:

• Volkswagen: From 2008 onward (for most TDI engine variants)
• Commercial Vehicles: From 2006 onward for Crafter and Transporter
• Passenger Vehicles: From 2008–Present for models like Golf, Jetta, Passat, Polo

Technical Specifications

Installation & Use Instructions

Installation Process:

1. Preparation:
   • Inspect the cylinder head for any visible damage, cracks, or warping. Clean the cylinder block’s sealing surface.
   • Ensure that all old gasket materials and sealants are completely removed from the mating surfaces of the cylinder block and the new head.
2. Head Gasket and Bolts:
   • Use OEM replacement head gaskets and head bolts that are designed to handle the high compression levels of TDI engines.
   • Apply the appropriate torque sequence and torque values as specified in the vehicle’s service manual.
3. Torque Sequence:
   • Tighten head bolts in 3 stages:
     • First stage: 30 Nm
     • Second stage: 90° turn
     • Third stage: Another 90° turn (ensure even torque distribution).
4. Timing:
   • Align the camshaft sprocket to the proper timing marks for your specific engine configuration.
   • Use the VW TDI timing tools for accurate alignment.
5. Final Check:
   • Check that the coolant passages and oil passages are free of obstructions.
   • Inspect the valve train for proper operation, ensuring the valves open and close smoothly.

Recommended Tools:

• Torque Wrench
• Timing Tools (specific to TDI)
• Cylinder Head Gasket Set
• New Head Bolts
• Engine Lift (for heavier configurations)

Maintenance & Care

To maintain the long-term durability of your engine, proper maintenance is crucial:

Routine Inspections:

• Check for Leaks: Monitor coolant and oil levels regularly and inspect for oil seepage around the cylinder head.
• Valve Adjustments: Ensure proper valve clearance during each service interval, and replace any worn or damaged components.
• Check Timing: Verify the camshaft timing after every timing belt replacement.

Preventive Maintenance:

• Cooling System: Regularly check and replace coolant to prevent overheating, which can cause cylinder head warping or cracking.
• Oil Changes: Follow the manufacturer’s recommended oil change intervals and use high-quality diesel engine oil to protect the cylinder head and other internal engine components.

Troubleshooting:

• Overheating: If the engine temperature rises too high, it may cause cylinder head distortion or damage. Always check the cooling system first.
• Misfires or Poor Fuel Economy: Worn-out valves, a cracked head, or a failing gasket could cause these issues.

Product Summary

This OEM cylinder head is the ideal replacement for Volkswagen 2.0 TDI and 1.6 TDI engines. Perfectly compatible with a wide range of VW passenger and commercial vehicles, it is built to OEM specifications for a hassle-free installation. Made from high-strength cast aluminum, this cylinder head offers exceptional durability and heat resistance to keep your engine running at its best.

• Ideal for engine rebuilds or replacing damaged heads in models like Golf, Jetta, Passat, Crafter, and Polo.
• Compatible with 2.0 TDI and 1.6 TDI engines (EA288).
• OEM replacement with exact fitment for guaranteed performance.