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Details
| Specification | Value |
|---|---|
| Brand | STELLOX |
| MPN | 4500-0040-sx |
OE numbers (9)
Search by this OE number to find compatible parts
Where this part fits
Original-fit position for OE 71737977.
About this product
Sourced from STELLOX, this water pump engine cooling (4500-0040-SX) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Verified to fit FIAT, INNOCENTI 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: 1379, 1575, 1815, 190201 and 74 more. Matching these numbers confirms a like-for-like replacement with no loss of function. STELLOX 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 (69)
Show all 69 OE numbers
Water Pump Engine Cooling STELLOX 4500-0040-SX — compatible car models
| Car models | FIAT: DUNA (146), DUNA Weekend (146), ELBA (146), FIORINO Box Body/MPV (146), FIORINO Pick up (146), REGATA (138), REGATA Weekend (138), RITMO (138), UNO (146, 158), UNO Van (146); INNOCENTI: ELBA |
|---|---|
| Engines | 1.7 DS; 1.7 D; 60 1.7 D; 60 Diesel 1.7; 1.7 Diesel; 1.7 D (146DI, 146EI) |
| Year of manufacture | 1978-2013 |
| Manufacturer article number (MPN) | 4500-0040-SX |
| OE part numbers | 46401936, 46409136, 46410562, 71737977, 7608844, 7693966, PA0507, PA0507S, PA5944 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
STELLOX 4500-0040-sx . 4500-0040-SX
- 1x Water Pump Engine Cooling
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 Water Pump Engine Cooling compatible with my car?
This Water Pump Engine Cooling fits FIAT, INNOCENTI 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 STELLOX Water Pump Engine Cooling have?
The package includes the Water Pump Engine Cooling 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 Water Pump Engine Cooling replace?
This Water Pump Engine Cooling replaces OE part numbers: 46401936, 46409136, 46410562, 71737977, 7608844, 7693966, PA0507, PA0507S and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Water Pump Engine Cooling cost?
Water Pump Engine Cooling prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this STELLOX Water Pump Engine Cooling. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Water Pump Engine Cooling?
Signs include coolant leaks near the front-centre of the car, whining or grinding noise from the engine, engine overheating, or steam coming from the radiator. Water pumps typically last 60,000-90,000 miles.
What tools do I need to replace a Water Pump Engine Cooling?
Tools needed: coolant drain pan, hose clamp pliers, 8-13mm socket set, torque wrench, gasket scraper, new coolant (correct specification). Difficulty: Professional recommended. Safety warning: Never open the cooling system when the engine is hot -- pressurised coolant will cause severe scalding. Allow to cool completely before draining.
Can I use this part as a replacement for OE 46401936?
Yes, this STELLOX Water Pump Engine Cooling is a direct replacement for OE part number 46401936. 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.
