2 Electrical parts are listed for the 2012 Alfa Romeo 159, in 2 part types, covering both the 2.2L L4 and the 3.2L V6. Each one has a brand, a manufacturer part number and notes that say where it fits.
The electrical system on the 2012 Alfa Romeo 159 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 2 listed parts are Battery (1 part) and Starter Motor (1 part).
The 2012 Alfa Romeo 159 was sold with both the 2.2L L4 and the 3.2L V6. 1 part fits every engine; the other 1 is engine-specific. Each part shows which engine(s) it fits.
2 brands supply electrical parts for the 2012 Alfa Romeo 159, led by DEKA (1 part) and WAI GLOBAL (1 part).
Each part number listed for the 2012 Alfa Romeo 159 opens a page with every vehicle that part fits.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Fits: all 2012 159 engines | 9A47 | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
One part is listed for the 2012 Alfa Romeo 159 — DEKA 9A47.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.2L L4 | 33282N | 🇲🇽 MX | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
This group shows a single part: WAI GLOBAL 33282N.
Buying Electrical Parts for a 2012 Alfa Romeo 159
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Some electrical parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery and Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2012 Alfa Romeo 159?
Our catalog currently lists 2 electrical parts for the 2012 Alfa Romeo 159 across 2 subcategories and 2 brands, covering both the 2.2L L4 and the 3.2L V6. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2012 Alfa Romeo 159 engines?
Some do. 1 part fits every engine; the other 1 is engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical problems on a 2012 Alfa Romeo 159?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2012 Alfa Romeo 159 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2012 Alfa Romeo 159?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2012 Alfa Romeo 159
Electrical Parts for Other Alfa Romeo 159 Years
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