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Engine codes of 1.8T 20V engines

All 1.8T codes - installed transversely and longitudinally
by
Bartek Bartoszewicz
Tuning Professional
86 Comments

1.8T Engine Codes

You always need the engine code when you want to replace parts. With its help, you can verify whether a spare part fits your engine or not. Here you will find all engine codes for transverse and longitudinal 1.8T engines and other important information.

Codes of transversely mounted 1.8T engines


Engine code
PS
Compression
Vehicle
Construction year
Crankshaft
Head channel
VVT*
Water pump
Turbo
Throttle
Piston pin
AGU1509.5:1A3
Bora
Golf
96-98
00-01
97-01
forgedlargenonextK03throttle cable20 mm
AJH1509.5:1Sharan
Alhambra
97-00forgedlargenonextK03throttle cable20 mm
AJQ1809.5:1A3
TT
98-00nonintK03electronic20 mm
AMK2099.0:1S300-02forgedsmallVVTintK04electronic20 mm
AMU2259.0:1TT20 mm
APH1509.5:1Beetle99-00non
APP1809.5:1A3
TT
99-00
99-01
K03electronic
APX2259.0:1TT98-00forgednonintK04electronic20 mm
APY2099.0:1S398-00nonK04electronic
AQA150A398-01
AQX1509.5:1Ibiza Cupra99-01smallK03electronic
ARX
1509.5:1A3
Bora
00-05
00-01
smallVVTK03 Selectronic
ARY1809.5:1A3
TT
Seat Leon
00-05
00-05
99-05
VVTK03 Selectronic19 mm
ARZ1509.5:1A3
Golf
Octavia
00-0120 mm
AUG180Golf
AUM1509.5:1A3
TT
Bora
Golf
00-05
00-05
02-05
01-05
smallVVTintK03 Selectronic19 mm
AUQ1809.5:1A3
TT
Bora
Golf
00-05
00-05
02-05
01-05
VVTK03 Selectronic19 mm
AVC1509.5:1New Beetle99-00forgedsmallnonK03electronic20 mm
AWC1509.5:1Sharan
Alhambra
00-04
AWD1509.5:1Jetta99-non20 mm
AWP170Jetta
Beetle
01-smallVVTintK03 Selectronic
AWU150Beetle00-VVTK03electronic
AWV150Beetle00-01VVTK03 Selectronic
AWW1509.5:1Jetta00-VVT
AYP1509.5:1Ibiza Cupra00-01smallnonintK03electronic20 mm
BAM2259.0:1S3
TT
Leon Cupra R
01-02
00-05
00-05
forgedsmallVVTintK04electronic20 mm
BBU1809.5:1Ibiza Cupra
Polo
05-08K03 Selectronic
BEK1809.5:1Jetta01-
BE1909.5:1TT05-06K03 Selectronic
BFV2409.5:1TT Sport05-06K04electronic
BJX1509.5:1Ibiza
Polo
04-08K03 Selectronic
BVP1639.5:1TT05-06K03 Selectronic
VER1509.5:1Sharan
Bora
int

Codes of longitudinally installed 1.8T engines


Engine code
PS
Compression
Vehicle
Construction year
Crankshaft
Head channel
VVT*
Water pump
Turbo
Throttle
Piston pin
AEB1509.5:1A4
A6
Passat
95-98
97-99
96-99
moldinglargenonextK03throttle cable 20 mm
AJL1809.5:1A4
A6
97-01
97-00
largeK03throttle cable
AMB170A401-
ANB150A4
A6
Passat
99-00
99-
99-00
APH1509.5:1Beetle99-00non
APU1509.5:1A4
A6
Passat
98-01
98-00
99-00
ARK150
A698-00
ATW150A4
Passat
00-nonK03electronic
AVJ1509.5:1A400-02
AWM170Passat01-int
AWT1709.5:1A4
A6
Passat
00-01
00-02
00-02
VVTK03
BEX1909.5:1A402-03K03 Selectronic
BFB1639.5:1A402-K03electronic

What do you need the engine code for?

The engine code gives you important information on your engine and the individual components that are installed. You need the code when you want to replace engine parts. So you don’t run the risk of installing parts that don’t fit your 1.8T engine. Of course, you also need the engine code when you want to install a replacement engine. As you can see from our table, the code is not necessarily dependent on the brand. Many VW and Audi models, for instance, have the same engine.

Where do you find the engine code?

Depending on the vehicle, you’ll find the engine code in different places. It can be directly on the engine block, stamped in or on a type plate or else on the cover of the toothed belt. The operating manual might also contain the engine code. If you can’t find it in any of these places, a repair shop can help you.

Do you need help?

We can help you with the engine code. Just call us or write us an e-mail.

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Bartek Bartoszewicz
Tuning Professional
His first car was a Polo Mk1 with a 40 Weber twin carburetor and 129 PS (95 kW). His second was an Audi 50. Today Bartek tunes Lamborghinis to 1000 PS (735 kW). Even as a young boy, Bartek disassembled vehicles and put everything back together better. He wrote his high school diploma with oil on his fingers. The trained automotive mechanic with a focus on engines and gearboxes was determined to go into motorsports. In his 10 years in Formal 1, he supervised 73 races, including as engine mechanic for Ralf Schumacher at Toyota. Since 2010, he has dedicated himself fully to his company BAR-TEK® and helps his customers to bring VW and Audi engines to peak performance.
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