3 Ignition parts are listed for the 1963 Fiat 125, in 1 part type, covering the 1.3L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1963 Fiat 125, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Spark Plug.
The 1963 Fiat 125 came with a single engine, the 1.3L L4, and every part is verified against it.
3 brands supply ignition parts for the 1963 Fiat 125, led by AUTOLITE (1 part), ACDELCO (1 part) and CHAMPION (1 part). Quality grades include Copper / Nickel, Double Platinum and Platinum.
Each part number listed for the 1963 Fiat 125 opens a page with every vehicle that part fits.
Spark Plug
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE | AR51 | 🇺🇸 US | High Performance Racing Non-ResistorPre-Set Gap: 0.025" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 34152 | 🇺🇸 US | Platinum Power | 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.
3 Spark Plug parts are listed for the 1963 Fiat 125, from AUTOLITE, ACDELCO and CHAMPION.
In the Copper / Nickel grade, AUTOLITE supplies 1 part: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is AUTOLITE AR51.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO supplies 1 part: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 41804.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, CHAMPION 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 CHAMPION 34152.
Listed part numbers: AUTOLITE AR51, ACDELCO 41804 and CHAMPION 34152.
Buying Ignition Parts for a 1963 Fiat 125
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.3L L4 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 1963 Fiat 125?
Our catalog currently lists 3 ignition parts for the 1963 Fiat 125 across 1 subcategory and 3 brands, covering the 1.3L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1963 Fiat 125?
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 1963 Fiat 125?
Notes on this page include pre-set gaps of 0.025" and 0.035". 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 1963 Fiat 125 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 1963 Fiat 125?
Every part on this page is matched to the 1.3L L4 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 1963 Fiat 125
Ignition Parts for Other Fiat 125 Years
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