
Alfano A2503 LSU 4.9 Lambda Probe
€99.00
The Alfano A2503 LSU 4.9 Lambda probe measures the air/fuel ratio at the exhaust. It is used with the Alfano A2504 controller and connects directly to the Alfano 7.
Features
- Genuine Alfano part number: A2503
- LSU 4.9 Lambda probe
- To be used with the A2504 controller
Compatibility
Alfano 7 via the A2504 controller (Alfano 2026 price list). For installation: A2505 nut.
Frequently asked questions
Does it work without the controller?
No: the A2503 LSU 4.9 probe must be used with the Alfano A2504 controller.
Is there a complete kit?
Yes, the A2502 pack with probe, controller and nut.
Read the guide: Alfano 7 Telemetry: What Really Changes on Track
More products from the same group: Alfano telemetry and sensors
Quantity
Shipping and returns
Shipping
We ship throughout Italy, to all European Union countries, to Switzerland and to the United Kingdom. The shipping cost is calculated at checkout based on the destination and the weight of the order. For Switzerland and the United Kingdom, duties and customs charges are paid by the customer.
Returns
- You have 14 days from receipt to withdraw from the purchase, without giving any reason.
- The product must be returned unused (not fitted or installed), in its original intact packaging and complete with all accessories and documents.
- Return shipping costs are paid by the customer. The refund is made using the same payment method used for the purchase.
Full details on our Shipping and Returns and Return Policy pages.





















