EA111 engine Volkswagen Audi 1.6L Cylinder Head 03C103351F CAXA CAXC 910705

Numéro de produit

ML N°	N° OEM	RÉF. N°
MLG056	03C103351F
MLG057	03C103351B
MLG063A	03C103063CS 03C103063CN 03C103264DX 03C103063BD	910705
MLG063B	03C103063CR 03C103064KX	910706

03C103063CS 03C103063CN 03C103264DX 03C103063BD

Informations sur le produit Culasse

1. Présentation du produit

Le EA111 engine family is a versatile and widely used engine platform developed by Volkswagen Group, covering 1.0L–1.6L displacements. This engine was installed in Volkswagen, Audi, Skoda, SEAT and other VAG group vehicles.

Le culasse design varies based on engine variant — available in SOHC / DOHC, 8-valve or 16-valve, et MPI (multi-point injection) ou TSI (turbocharged stratified injection) configurations.

Popular EA111 engines include: CGP, CGGA, CCSA, CFW, BUD, AUB, AZQ, BZG, CLSA, etc.

2. Spécifications techniques

Article	Valeur
Engine Series	EA111
Common Displacements	1.0L / 1.2L / 1.4L / 1.6L
Disposition des cylindres	Inline-3 / Inline-4
Train de soupapes	SOHC / DOHC, 8V / 16V
Matériau de la tête	alliage d'aluminium
Aspiration	Naturally Aspirated or Turbocharged
Système de carburant	MPI or TSI
Timing	Timing Belt (most variants)
Refroidissement	Refroidi par eau
Émissions	Euro 3 – Euro 6 (depending on version)

3. Common OEM Cylinder Head Numbers

Numéro de pièce OEM	Description
03D103373	1.2L 3-cylinder SOHC (e.g., BMD, BME)
03E103351C / 03E103351D	1.4L 16V (BCA/BUD/CGGA engines)
04E103351F / 04E103351H / 04E103404G	1.2 TSI (DOHC)
036103373AB / 036103373AN	1.4L 8V engines (MPI)
06A103351 / 06A103373N	1.6L 8V MPI engines
04E103065P	TSI with integrated exhaust manifold (later 1.2 TSI)

4. Compatible Vehicles (Selected)

Modèle	Code moteur	Remarques
VW Polo 6R / 9N	CGPA / BUD / AZQ	1.2 / 1.4 MPI / 1.4 TSI
VW Golf Mk5 / Mk6	BSE / BGU / CCSA	1.6 MPI / 1.4 16V
VW Fox / Up!	CHYA / CHYB	1.0L MPI
Skoda Fabia	BZG / CGGB / CFW	1.2L / 1.4L MPI
Audi A1 / A2	BCA / AUA / BUD	EA111 engines
SEAT Ibiza / Cordoue	CGPA / BZG	1.2 / 1.4 MPI

5. Product Variants

Taper	Comprend
Tête nue	Raw casting only
Semi-complet	Valves, valve guides, springs
Assemblage complet	Includes camshaft(s), lifters, valve train — pre-assembled and tested

Pressure-tested cooling jackets
CNC-machined surfaces
Options with or without camshafts
Suitable for EGR / non-EGR applications

6. Conseils d'installation

Always use a new MLS gasket et torque-to-yield (TTY) bolts
Clean all oil & coolant passages thoroughly
Vérifier camshaft timing et tensioner preload
For TSI engines, inspect turbocharger oil line connections
DO NOT reuse valve cover gasket on newer integrated rocker designs
Bleed air from cooling system carefully to avoid air lock

7. Common Cylinder Head Failures & Fixes

Problème	Cause	Solution
Cracked Head (TSI)	Turbo heat, thin casting	Replace with updated reinforced head
Coolant Leak	Gasket failure, warp	Resurface head and use new gasket
Camshaft Wear	Dirty oil, long intervals	Replace camshaft; clean oil passages
Warped Head	Surchauffe	Machine flat surface (<0.05mm), check thermostat/radiator
Valve Seat Recession	Poor fuel, long-term wear	Regrind or replace valve seats/valves

8. Export Markets

Europe: Eastern Europe, Russia, Poland, Turkey
Afrique: Égypte, Kenya, Nigéria, Afrique du Sud
Asie: Philippines, Indonesia, Thailand
Moyen-Orient: Iraq, UAE, Iran
l'Amérique latine: Brazil, Chile, Colombia
Océanie: Australie, Nouvelle-Zélande

Déplacement	Carburant	Cylindre	Vallée	Arbre à cames	Année
1.4	Essence	4	16	2	2000-

Moteur EA111 Volkswagen Audi 1.6L Culasse 03C103351F CAXA CAXC 910705

Moteur applicable :

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Introduction