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Details
| Specification | Value |
|---|---|
| Brand | HART |
OE numbers (4)
Search by this OE number to find compatible parts
- FORD—1L5F12B579AB
- FORD—4138872
- FORD—4371039
- FORD—RM1L5F12B579AB
Where this part fits
Original-fit position for OE 4138872. The red ring marks where this part installs on the vehicle.
About this product
When volume air flow sensor performance matters, the HART 522 493 delivers — built to the same dimensional and material standards as the original part it replaces. Compatible with FORD 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: 1L5F12B579AB, 4138872, 4371039, RM1L5F12B579AB. Matching these numbers confirms a like-for-like replacement with no loss of function. HART 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
No equivalent parts found.
Volume Air Flow Sensor HART 522 493 — compatible car models
| Car models | FORD: FOCUS I (DAW, DBW), FOCUS I Saloon (DFW), FOCUS I Turnier (DNW), MONDEO I (GBP), MONDEO II (BAP), MONDEO III (B5Y), MONDEO III Saloon (B4Y), MONDEO III Turnier (BWY), MONDEO II Saloon (BFP), MONDEO II Turnier (BNP) (+2 more) |
|---|---|
| Engines | 2.0 16V; 2.5 i 24V; 2.5 24V; 2.5 V6 24V |
| Year of manufacture | 1993-2009 |
| Manufacturer article number (MPN) | 522 493 |
| OE part numbers | 1L5F12B579AB, 4138872, 4371039, RM1L5F12B579AB |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HART 522493 . 522 493
- 1x Volume 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 Volume Air Flow Sensor compatible with my car?
This Volume Air Flow Sensor fits FORD 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 HART Volume Air Flow Sensor have?
The package includes the Volume 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 Volume Air Flow Sensor replace?
This Volume Air Flow Sensor replaces OE part numbers: 1L5F12B579AB, 4138872, 4371039, RM1L5F12B579AB. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Volume Air Flow Sensor cost?
This HART Volume Air Flow Sensor is available for £42.99. Volume Air Flow Sensor prices vary depending on brand, specifications, and vehicle compatibility. HART parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Volume Air Flow Sensor?
Regular inspection of your Volume Air Flow Sensor is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Volume 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 Volume Air Flow Sensor fitted by a professional mechanic.
Can I use this part as a replacement for OE 1L5F12B579AB?
Yes, this HART Volume Air Flow Sensor is a direct replacement for OE part number 1L5F12B579AB. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
