- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Number of pins | 4 -pin connector |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- FORD—1 729 032
- ALFA ROMEO / FIAT / LANCIA—51782035
- ALFA ROMEO / FIAT / LANCIA—51831050
- FORD—BS5112B579AA
Where this part fits
Original-fit position for OE 1729032. The red ring marks where this part installs on the vehicle.
About this product
Sourced from TOPRAN, this mass air flow sensor (305 365) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Housing Type: 0, Number of pins: Copper -pin connector, Housing material: 112 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit ALFA ROMEO, FIAT, FORD, LANCIA models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0 281 002 860, 0 281 002 917, 0 281 006 054, 07SKV322 and 104 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (114)
Show all 114 OE numbers
Mass Air Flow Sensor TOPRAN 305 365 — compatible car models
| Car models | ALFA ROMEO: 159 (939), 159 Sportwagon (939), BRERA (939), GIULIETTA (940), MITO (955), SPIDER (939); FIAT: 500 (312), 500 C (312), 500L (351, 352), 500X (334), BRAVO II (198), DOBLO Bus (263), DOBLO Cargo (263), DOBLO Platform/Chassis (263), DUCATO Bus (250), DUCATO Platform/Chassis (250) (+14 more) |
|---|---|
| Engines | 2.0 JTDM (939AXP1B); 2.0 JTDM (939BXP1B); 2.0 JTDM (939DXP1B); 1.4 TB (940.FYA1A); 1.3 MultiJet (955AXH1B, 955AXT1A); 2.0 JTDM (939DXQ1B); 0.9 (312AXH1A); 1.3 D Multijet (312CXE1A, 312AXE1A); 1.3 D Multijet (199LXY1A, 199LXY11); 1.3 D Multijet (334AXH1A); 1.6 D Multijet (198AXH1B); 1.3 D Multijet (263AXC1A); 1.3 D Multijet; 110 Multijet 2,3 D; 2.0 JTD (+7 more) |
| Year of manufacture | 1998-2023 |
| Manufacturer article number (MPN) | 305 365 |
| OE part numbers | 1 729 032, 51782035, 51831050, BS5112B579AA |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 305365 . Housing material: 112. Housing Type: 0. Number of pins: 4 -pin connector
- 1x Mass Air Flow Sensor
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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, FORD, LANCIA 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 TOPRAN Mass Air Flow Sensor have?
This TOPRAN Mass Air Flow Sensor has the following specifications: Housing Type: 0; Number of pins: 4 -pin connector; Housing material: 112. Check the full specifications table above for complete details.
What OE part numbers does this Mass Air Flow Sensor replace?
This Mass Air Flow Sensor replaces OE part numbers: 1 729 032, 51782035, 51831050, BS5112B579AA. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Mass Air Flow Sensor cost?
This TOPRAN Mass Air Flow Sensor is available for £49.99. Mass Air Flow Sensor prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN 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 1 729 032?
Yes, this TOPRAN Mass Air Flow Sensor is a direct replacement for OE part number 1 729 032. 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.
