Description
Audi A4/A3 1.8T AEB / APT (Manual) Gearbox
The 1.8T engines with codes AEB and APT were used in older Audi A4 (B5 chassis) and A3 models. The gearboxes are different depending on the model, so you must verify the specific gearbox code to ensure compatibility. The most common manual transmission for the AEB engine in the Audi A4 (B5) is a 5-speed unit.Â
AEB vs. APT engines and gearboxes
- AEB (1.8T):Â This is a 150 PS engine found in the Audi A4 (B5 chassis) from approximately 1995 to 1999. The gearbox used with this engine in the Audi A4 (B5) is a 5-speed manual, with the gearbox code often displayed on the vehicle’s data sticker.
- APT (1.8):Â This was a naturally aspirated 1.8L 5V engine used in older Audi models and is not to be confused with the 1.8T. It uses a different gearbox.Â
Where to buy a gearbox
You can find these gearboxes at several suppliers near Roodepoort who specialize in used Audi parts. Since these are older models, used transmissions are the most common option.Â
How to ensure compatibility
The most reliable way to ensure you purchase the correct gearbox is to get the code from your vehicle’s data sticker.
- Location:Â The sticker is typically located in the spare wheel well in the boot or on the inside cover of the service book.
- Check the code:Â Provide the three-letter gearbox code to the supplier, along with your vehicle’s VIN (Vehicle Identification Number), to ensure a proper match. For example, a supplier might list an Audi A4 (B5) gearbox for an AEB engine with the code DHW.
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