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Details
| Specification | Value |
|---|---|
| Brand | ASTEMO-HITACHI |
OE numbers (2)
Where this part fits
Original-fit position for OE 51782033.
About this product
When mass air flow sensor performance matters, the ASTEMO-HITACHI 2505122 delivers — built to the same dimensional and material standards as the original part it replaces. Compatible with ALFA ROMEO, FIAT vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0281002861, 0890245, 101276, 18042 and 50 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ASTEMO-HITACHI is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (54)
Show all 54 OE numbers
Mass Air Flow Sensor ASTEMO-HITACHI 2505122 — compatible car models
| Car models | ALFA ROMEO: 159 (939), 159 Sportwagon (939); FIAT: DOBLO Box Body/MPV (223), DOBLO MPV (119, 223), GRANDE PUNTO (199), IDEA (350) |
|---|---|
| Engines | 1.9 JTDM 16V (939AXC1B, 939AXC12); 1.9 JTDM 16V (939BXC1B); 1.9 JTD; 1.9 D Multijet |
| Year of manufacture | 2000-2012 |
| Manufacturer article number (MPN) | 2505122 |
| OE part numbers | 51782033, 55206756 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
ASTEMO-HITACHI 2505122
- 1x Mass Air Flow Sensor
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Mass Air Flow Sensor compatible with my car?
This Mass Air Flow Sensor fits ALFA ROMEO, FIAT vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this ASTEMO-HITACHI Mass Air Flow Sensor have?
The package includes the Mass Air Flow Sensor as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Mass Air Flow Sensor replace?
This Mass Air Flow Sensor replaces OE part numbers: 51782033, 55206756. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Mass Air Flow Sensor cost?
This ASTEMO-HITACHI Mass Air Flow Sensor is available for £168.99. Mass Air Flow Sensor prices vary depending on brand, specifications, and vehicle compatibility. ASTEMO-HITACHI parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Mass Air Flow Sensor?
Signs include a check engine light with mass airflow codes, rough or unstable idle, black smoke and over-fuelling, engine hesitation during acceleration, or difficulty starting. Clean the sensor first — replacement may not always be needed.
What tools do I need to replace a Mass Air Flow Sensor?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Mass Air Flow Sensor fitted by a professional mechanic.
Can I use this part as a replacement for OE 51782033?
Yes, this ASTEMO-HITACHI Mass Air Flow Sensor is a direct replacement for OE part number 51782033. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
