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Details
| Specification | Value |
|---|---|
| Brand | MAGNETI MARELLI |
OE numbers (5)
Search by this OE number to find compatible parts
- OPEL—18 759 90
- FIAT / IVECO / LANCIA—4419628
- RENAULT / RENAULT KOREA—77 01 021 955
- FIAT / LANCIA—82369531
- OPEL / GENERAL MOTORS—83 093 1
Where this part fits
Original-fit position for OE 4419628. The red ring marks where this part installs on the vehicle.
About this product
When switch unit ignition system performance matters, the MAGNETI MARELLI 940038521010 delivers — built to the same dimensional and material standards as the original part it replaces. Compatible with ALFA ROMEO, 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: 0040401005, 10012, 14100, 18 759 90 and 14 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAGNETI MARELLI is a recognised supplier of automotive ignition 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 (12)
Switch Unit Ignition System MAGNETI MARELLI 940038521010 — compatible car models
| Car models | ALFA ROMEO: 75 (162), 90 (162); FIAT: CROMA (154), REGATA (138), REGATA Weekend (138), RITMO (138); LANCIA: DELTA I (831), PRISMA (831) |
|---|---|
| Engines | 1.6 (162B2); 1.8 (162A1); 2000 CHT (154.AC); 75 1.5; 1.3; 1.3 (831AB.011); 1.3 (831AB) |
| Year of manufacture | 1978-1996 |
| Manufacturer article number (MPN) | 940038521010 |
| OE part numbers | 18 759 90, 4419628, 77 01 021 955, 82369531, 83 093 1 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MAGNETI MARELLI 940038521010
- 1x Switch Unit Ignition System
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 Switch Unit Ignition System compatible with my car?
This Switch Unit Ignition System fits ALFA ROMEO, 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 MAGNETI MARELLI Switch Unit Ignition System have?
The package includes the Switch Unit Ignition System 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 Switch Unit Ignition System replace?
This Switch Unit Ignition System replaces OE part numbers: 18 759 90, 4419628, 77 01 021 955, 82369531, 83 093 1. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Switch Unit Ignition System cost?
Switch Unit Ignition System prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this MAGNETI MARELLI Switch Unit Ignition System. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Switch Unit Ignition System?
Regular inspection of your Switch Unit Ignition System 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 Switch Unit Ignition System?
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 Switch Unit Ignition System fitted by a professional mechanic.
Can I use this part as a replacement for OE 18 759 90?
Yes, this MAGNETI MARELLI Switch Unit Ignition System is a direct replacement for OE part number 18 759 90. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the MAGNETI MARELLI 940038521010 the same as the MAGNETI MARELLI 940016204000?
No, while both are Switch Unit Ignition System parts, they are different products. The MAGNETI MARELLI 940038521010 has specific dimensions, material composition, and fitting requirements. The MAGNETI MARELLI 940016204000 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
