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Details
| Specification | Value |
|---|---|
| Brand | HART |
OE/OEM numbers (7)
Where this part fits
Original-fit position for OE 1535412. The red ring marks where this part installs on the vehicle.
About this product
HART Sensor Coolant Temperature (525 840) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Compatible with ALFA ROMEO, FIAT, FORD, LANCIA and 1 other makes 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: 13 38 270, 1 535 412, 55190791, 55190792 and 3 more. 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
No equivalent parts found.
Sensor Coolant Temperature HART 525 840 — compatible car models
| Car models | ALFA ROMEO: GIULIETTA (940), MITO (955); FIAT: 500 (312), 500 C (312), 500L (351, 352), 500X (334), BRAVO II (198), DOBLO Box Body/MPV (223), DOBLO Bus (263), DOBLO Cargo (263), DOBLO MPV (119, 223), DOBLO Platform/Chassis (263) (+15 more); FORD: KA (RU8); LANCIA: DELTA III (844), MUSA (350) |
|---|---|
| Engines | 1.4 BiFuel (940FXA1A, 940FXT1A); 0.9 TwinAir (955.AXW1B); 0.9 (312AXG1A, 312.AXG11); 0.9 (312AG1A); 0.9 (199LYC1B); 1.3 (334.AXR11); 1.4 16V (198AXS1B); 1.4; 1.4 (263AXA1A); 1.4 Natural Power (225BXC1A, 225AXC1A); 1.2; 1.2 (169.AXB11, 169.AXB1A); 0.9 (312PXG1A); 0.9 (312CXH1A, 312DXH1A); 0.9 Bifuel (+7 more) |
| Year of manufacture | 2000-2023 |
| Manufacturer article number (MPN) | 525 840 |
| OE part numbers | 13 38 270, 1 535 412, 55190791, 55190792, 71738162, 77363465, 9S5112A648AA |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HART 525840 . 525 840
- 1x Sensor Coolant Temperature
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 Sensor Coolant Temperature compatible with my car?
This Sensor Coolant Temperature fits ALFA ROMEO, FIAT, FORD, LANCIA, OPEL 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 Sensor Coolant Temperature have?
The package includes the Sensor Coolant Temperature 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 Sensor Coolant Temperature replace?
This Sensor Coolant Temperature replaces OE part numbers: 13 38 270, 1 535 412, 55190791, 55190792, 71738162, 77363465, 9S5112A648AA. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Sensor Coolant Temperature cost?
This HART Sensor Coolant Temperature is available for £12.99. Sensor Coolant Temperature 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 Sensor Coolant Temperature?
Regular inspection of your Sensor Coolant Temperature 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 Sensor Coolant Temperature?
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 Sensor Coolant Temperature fitted by a professional mechanic.
Can I use this part as a replacement for OE 13 38 270?
Yes, this HART Sensor Coolant Temperature is a direct replacement for OE part number 13 38 270. 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.
