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Details
| Specification | Value |
|---|---|
| Brand | CALORSTAT by Vernet |
| MPN | os3520 |
| Thread Size | M14x1.5 |
| Switch Pressure [bar] | 0.3 bar |
OE numbers (5)
Where this part fits
Original-fit position for OE 4444650.
About this product
CALORSTAT by Vernet Oil Pressure Switch (OS3520) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Thread Size: M14x1.5, Switch Pressure [bar]: 0, Cast Iron bar, Sensor Type: 83 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with FIAT, LANCIA 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: 12020, 1410, 1734134, 1734174 and 22 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CALORSTAT by Vernet 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 (21)
Show all 21 OE numbers
Oil Pressure Switch CALORSTAT by Vernet OS3520 — compatible car models
| Car models | FIAT: 127 (127), 127 Panorama (127), ARGENTA (132), CROMA (154), FIORINO (147), FIORINO Pick up (147), PANDA (141), UNO (146, 158); LANCIA: DELTA I (831), PRISMA (831), THEMA (834), THEMA SW (834), Y10 (156) |
|---|---|
| Engines | 1.3 Diesel; 1.3 D; 1600; 2000 i.e. Turbo (154.AM); 1300 D; 1.3 Super Diesel; 1.6 GT i.e. (831AB.010); 1.6 i.e. (831AB); 2000 16V Turbo (834AC); 2000 i.e. 16V (834AA); 1.0 Fire (156B, 156AD) |
| Year of manufacture | 1971-2013 |
| Manufacturer article number (MPN) | OS3520 |
| OE part numbers | 4296603, 4444650, 4446616, 5940619, 82380085 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CALORSTAT by Vernet os3520 . Sensor Type: 83. Switch Pressure [bar]: 0,3 bar. Thread Size: M14x1.5
- 1x Oil Pressure Switch
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Oil Pressure Switch compatible with my car?
This Oil Pressure Switch fits FIAT, 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 CALORSTAT by Vernet Oil Pressure Switch have?
This CALORSTAT by Vernet Oil Pressure Switch has the following specifications: Thread Size: M14x1.5; Switch Pressure [bar]: 0,3 bar; Sensor Type: 83. Check the full specifications table above for complete details.
What OE part numbers does this Oil Pressure Switch replace?
This Oil Pressure Switch replaces OE part numbers: 4296603, 4444650, 4446616, 5940619, 82380085. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Oil Pressure Switch cost?
This CALORSTAT by Vernet Oil Pressure Switch is available for £10.99. Oil Pressure Switch prices vary depending on brand, specifications, and vehicle compatibility. CALORSTAT by Vernet parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Oil Pressure Switch?
Symptoms include the oil pressure warning light flickering or staying on at idle (when oil level is confirmed normal), oil leaks at the switch location, or an inaccurate oil pressure gauge reading.
What tools do I need to replace a Oil Pressure Switch?
Tools needed: 24mm deep socket or dedicated oil pressure switch socket, PTFE thread tape, torque wrench, drain pan. Difficulty: Easy DIY. Safety warning: Work with the engine fully cold and drained to below the switch level. After fitting, check the oil pressure reading is normal on the first start before driving.
Can I use this part as a replacement for OE 4296603?
Yes, this CALORSTAT by Vernet Oil Pressure Switch is a direct replacement for OE part number 4296603. 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.
