Complete Cylinder Head Assembly for VW / Audi 1.9 TDI AJM ANU

Bare Cylinder Head Product NO.

ML NO.	OEM NO.	REF NO.
MLG069	038103351D 03G103351C	908716 908709

Product Description

This complete cylinder head assembly is designed for VW Group 1.9 TDI diesel engines with engine codes AJM and ANU, widely used in Audi, Volkswagen, SEAT, and Škoda vehicles.

Manufactured with high-quality aluminum alloy and precision machining, it provides excellent durability, reliable sealing performance, and OEM-level compatibility for the aftermarket replacement market.

As a complete assembly, it comes with pre-installed valve components and ready for installation, reducing workshop time and improving repair efficiency.

Engine Overview (AJM / ANU)

Engine Family: VW Group EA188 TDI
Engine Codes: AJM / ANU
Displacement: 1.9L (1896 cc)
Valvetrain: SOHC 8-Valve
Fuel Type: Diesel
Fuel System: Unit Injector (Pumpe-Düse / PD)

Included Components (Complete Assembly)

Component	Description
Cylinder Head Body	Precision aluminum casting
Intake Valves	Pre-installed
Exhaust Valves	Pre-installed
Valve Springs	Complete set
Valve Guides	Installed
Valve Seats	Precision machined
Valve Seals	Oil sealing components
Camshaft	SOHC camshaft (if included version)

Key Features

OEM-standard aluminum alloy casting
Precision CNC machining for sealing surfaces
Complete assembled unit for easy installation
Excellent heat resistance for diesel combustion
Pressure and leakage tested
Stable performance and long service life
Suitable for aftermarket replacement market

Technical Specifications

Item	Specification
Engine Codes	AJM / ANU
Displacement	1.9L
Valves	8
Camshaft	SOHC
Material	Aluminum Alloy
Fuel Type	Diesel
Product Type	Complete Cylinder Head Assembly
Condition	New

Application (Compatible Vehicles)

Compatible with many VW Group models fitted with 1.9 TDI AJM / ANU engines, including but not limited to:

Volkswagen: Passat, Bora, Golf, Caddy, Transporter / T4 / T5
Audi: A4 (B5/B6), A6 (C5)
SEAT: Toledo, Leon
Škoda: Octavia, Fabia
Other: Some Ford diesel applications (market dependent)

Vehicle applications vary by year, transmission, and regional specs — always confirm OEM number before ordering.

Common Problems & Solutions

Issue	Cause	Recommendation
Head gasket failure	Overheating	Check cooling system and replace gasket
Cracked injector seat	Over-torqued injector	Resurface or replace head
Coolant loss	Gasket leak	Replace gasket and check passages
Warped deck	Overheating	Resurface within OEM limits
Valve noise	Worn lifters / low oil pressure	Inspect and replace parts

Installation Precautions

Clean all mating surfaces before installation
Check cylinder head flatness
Replace head gasket with correct MLS type
Use new head bolts (torque-to-yield)
Follow OEM torque and angle sequence
Ensure cooling and lubrication systems are primed
Inspect timing belt and tensioner before assembly

Quality Control Process

Process	Description
Material Inspection	Casting quality control
CNC Machining	Precision dimensional processing
Valve Fit Test	Guide & seat inspection
Pressure Test	Leak and sealing test
Final Inspection	Surface and assembly check

FAQ

Q1: Are these complete assemblies or bare heads?
A: This listing is for complete cylinder head assemblies with pre-installed components.

Q2: What engines does this fit?
A: VW Group 1.9 TDI with AJM / ANU engine codes.

Q3: Do you support OEM customization?
A: Yes — OEM, private label, and mixed orders supported.

Q4: What is the warranty?
A: 12 months warranty on all products.

Complete Cylinder Head Assembly for VW / Audi 1.9 TDI AJM ANU – OEM 038103351D / 03G103351C

Applicable Engine:

Applicable Car:

Product parameters:

Introduction