Skip to main content
In English +48 792 797 344 Polski +48 501 409 435 +48 32 201 72 96 En Español +34 63 727 27 85 contact@auto24parts.com
English €
English €
Open search engine
Search
Close search engine Clear Search
Open search engine
Search
Close search engine Clear Search
English €
English €
Wishlist
Products in the cart: 0. See details
Open search engine
Search
Close search engine Clear Search

ECU Engine Controller VOLVO 850 2.5 S103955403H P1275339
  • Part Type ECU Engine controller
  • Vehicle Make and Model VOLVO 850
  • Part Number S103955403H
  • Part Number P1275339
  • Configuration Variants Locked / Unlocked - Ready for programming
  • Warranty 6-month warranty
  • Testing & Inspection Device thoroughly inspected and tested by a certified technician
  • Condition USED ORIGINAL IN GOOD CONDITION
Siemens
with VAT without VAT
Price €100.00
PLN GBP EUR USD
Availability:
product-availability-module In stock
pcs.

Fast Delivery

DHL Express - 30 euro

6 Month Warranty

Returns Possible up to 14 days

Secure payments

Stripe - Paypal - Credit Card
Ask about the product
Shipping from €30.00 - shipping (Poland)

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

PRODUCT DETAILS

  • Part Type ECU Engine controller
  • Vehicle Make and Model VOLVO 850
  • Part Number S103955403H
  • Part Number P1275339
  • Configuration Variants Locked / Unlocked - Ready for programming
  • Warranty 6-month warranty
  • Testing & Inspection Device thoroughly inspected and tested by a certified technician
  • Condition USED ORIGINAL IN GOOD CONDITION

ECU ENGINE CONTROLLER VOLVO 850 2.5 S103955403H P1275339

Verified ECU engine controller for Volvo 850 2.5 with numbers S103955403H and P1275339, warranty and fast shipping included.

Go to full description

ECU Engine Controller VOLVO 850 2.5 S103955403H P1275339

Which models does it fit?

The ECU engine controller with numbers S103955403H and P1275339 fits the VOLVO 850 model with a 2.5 engine.

What is the role of the ECU?

The ECU S103955403H controls the engine operation of the VOLVO 850, ensuring optimal performance and fuel efficiency.

What are the symptoms of a faulty ECU?

Symptoms of a faulty ECU S103955403H may include uneven engine operation in the VOLVO 850, starting issues, and diagnostic errors.

Where can I find the number on the ECU?

The ECU number S103955403H can be found on the device's casing, often near the connector.

Does it require programming after installation?

After installing the ECU S103955403H in the VOLVO 850, programming may be required to ensure full compatibility. Warranty and fast shipping are provided.

Blog

  • 07-10-2026

    How to check the operation of the ABS pump controller in a car? Complete guide

    A properly functioning ABS system is the foundation of road safety. Its main task is to prevent wheel lock-up during emergency braking, which allows the driver to maintain full control of the vehicle. The heart of this system is the electronic ABS pump controller. When it fails, the system stops working. A proper diagnosis of the problem allows you to avoid unnecessary costs and quickly restore brake efficiency.

    Read more
  • 16-09-2026

    Where to buy a used ABS pump controller? Choose the original and avoid costly mistakes

    The ABS system prevents wheels from locking during sudden braking, ensuring vehicle control in critical situations on the road. When brake system errors appear on the dashboard and the workshop diagnosis indicates damage to the pump electronics, the driver faces the need for a quick repair. In such a situation, the most reasonable, safest, and most cost-effective solution is to immediately replace the module with a fully functional, original part from the aftermarket.

     

    Read more
    FAQ
    1. How can I choose the correct product for my vehicle?
    Compatibility 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?
    Yes, all modules are fully tested for communication and proper operation before shipping. Products are secured with warranty seals.
    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.