This page lists 2 ignition parts for the 2002 Alfa Romeo 166, across 1 part type, covering the 3.0L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2002 Alfa Romeo 166, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Spark Plug.
The 2002 Alfa Romeo 166 came with a single engine, the 3.0L V6, and every part is verified against it.
Every ignition part listed for the 2002 Alfa Romeo 166 comes from NGK. Quality grades include Iridium and Platinum.
Each part number listed for the 2002 Alfa Romeo 166 opens a page with every vehicle that part fits.
Spark Plug
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK | 6418 | 🇲🇽 MX | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK | 7092 | 🇲🇽 MX | G-PowerPre-Set Gap: 0.040" | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
NGK supplies both parts for the 2002 Alfa Romeo 166.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 1 option from NGK — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 6418 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 7092.
Buying Ignition Parts for a 2002 Alfa Romeo 166
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.0L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2002 Alfa Romeo 166?
Our catalog currently lists 2 ignition parts for the 2002 Alfa Romeo 166 across 1 subcategory and 1 brand, covering the 3.0L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2002 Alfa Romeo 166?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2002 Alfa Romeo 166?
Notes on this page include pre-set gaps of 0.032" and 0.040". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 2002 Alfa Romeo 166 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 2002 Alfa Romeo 166?
Every part on this page is matched to the 3.0L V6 engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2002 Alfa Romeo 166
Ignition Parts for Other Alfa Romeo 166 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.