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ECU Engine controller Seat Leon 2.0 TDI 03G906021JE 03G906021AB Bosch 0281013621 Diesel EDC16U34
  • PARTS ECU Engine controller
  • BRAND AND MODEL SEAT LEON
  • NUMBER PARTS 03G906021JE
  • NUMBER PARTS 03G906021AB
  • OPTION AVAILABLE Locked / Unlocked - Ready for programming
  • WARRANTY : 6-month warranty
  • INSPECTION: Device thoroughly inspected and tested by a certified technician
  • CONDITION USED ORYGINAL IN GOOD CONDITION

ECU ENGINE CONTROLLER SEAT LEON 2.0 TDI 03G906021JE 03G906021AB

Tested ECU Engine controller for Seat Leon 2.0 TDI, part numbers 03G906021JE and 03G906021AB (Bosch 0281013621), with warranty and fast shipping.

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Bosch
with VAT without VAT
Price $107.28
PLN GBP EUR USD

Wybierz wariant produktu:

Individual variants may differ in price

Select 1) LOCKED 2) UNLOCKED / READY FOR PROGRAMMING
Click to check the logout options for this device
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Fast Delivery

DHL Express - 30 euro

6 Month Warranty

Returns Possible up to 14 days

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Shipping from $32.18 - shipping (Poland)

Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price

Cechy przedmiotu

  • PARTS ECU Engine controller
  • BRAND AND MODEL SEAT LEON
  • NUMBER PARTS 03G906021JE
  • NUMBER PARTS 03G906021AB
  • OPTION AVAILABLE Locked / Unlocked - Ready for programming
  • WARRANTY : 6-month warranty
  • INSPECTION: Device thoroughly inspected and tested by a certified technician
  • CONDITION USED ORYGINAL IN GOOD CONDITION

ECU ENGINE CONTROLLER SEAT LEON 2.0 TDI 03G906021JE 03G906021AB

Tested ECU Engine controller for Seat Leon 2.0 TDI, part numbers 03G906021JE and 03G906021AB (Bosch 0281013621), with warranty and fast shipping.

Go to full description

ECU Engine controller Seat Leon 2.0 TDI 03G906021JE 03G906021AB Bosch 0281013621 Diesel EDC16U34

Which Seat Leon versions use ECU 03G906021JE / 03G906021AB?

This ECU Engine controller with part numbers 03G906021JE and 03G906021AB is listed for selected Seat Leon 2.0 TDI diesel applications. The safest way to confirm compatibility is to match the exact numbers from your original ECU label.

You may also see the same identifiers written with spaces, such as 03G 906 021 JE or 03G 906 021 AB—these are simply alternative label formats.

How to read Bosch numbers 0281013621 and 0 281 013 621 on a Seat Leon ECU

Many units also carry a Bosch reference, such as 0281013621, which can be printed as 0 281 013 621. This helps with identification, but you should still match the vehicle part numbers.

For the best match, compare all markings: 03G906021JE, 03G906021AB and Bosch 0281013621.

What does the EDC16U34 engine ECU do in a Seat Leon 2.0 TDI?

The engine ECU manages key diesel engine functions during driving. It processes sensor data and controls essential operating parameters to keep the Seat Leon 2.0 TDI running smoothly and consistently.

That is why selecting the ECU by exact numbers (03G906021JE and 03G906021AB) is so important.

Common symptoms of a faulty ECU 03G906021JE in Seat Leon

A failing ECU can cause hard starting, loss of power, rough running, limp mode, or a Check Engine light. You may also see recurring fault codes or diagnostic communication issues.

This ECU is offered as a tested unit with warranty and fast shipping.

Does ECU 03G906021AB require coding or adaptation after installation?

Depending on the vehicle version and its electronic setup, ECU replacement may require adaptation/coding after installation so it can work correctly with other modules.

Exact matching of 03G906021JE and 03G906021AB makes installation easier and helps ensure correct operation after replacement.

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    FAQ
    1. How can I choose the correct product for my vehicle?
    odpowiedzCompatibility should always be verified using the part number shown on the module label. If you are unsure, you can send us a photo of your original unit for verification — our technical support team will respond as quickly as possible.
    2. What is the shipping time and warranty?
    We offer express shipping across Europe and worldwide using DHL, UPS, or FedEx. All products come with a 6-month warranty.
    3. Is the product tested before shipping?
    odpowYes, all modules are fully tested for communication and proper operation before shipping. Products are secured with warranty seals.iedz
    4. How can I pay for the product?
    We offer multiple online payment methods including Stripe, PayPal, Google Pay, Apple Pay, Visa, Mastercard, and other local payment options available depending on your country.