The 1955 Fiat 500 has 2 electrical parts with verified fitment on this page — 1 part type and 2 brands, covering the 570cc L4 engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 1955 Fiat 500 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Every listed part is a Battery.
Every part on this page is matched to the 570cc L4 — the only engine offered in the 1955 Fiat 500.
The most listed brands for 1955 Fiat 500 electrical parts are EXIDE (1 part) and FULLRIVER (1 part). Quality grades include AGM and Performance AGM.
Each part number listed for the 1955 Fiat 500 opens a page with every vehicle that part fits.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| EXIDE | MX51R | 🇺🇸 US | Marathon MaxBCI Group 51R | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT62051 | 🇺🇸 US | BCI Group 51(Length X Width X Height) 9.02 In x 5.43 In x 9.06 In | 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.
2 Battery parts for the 1955 Fiat 500 come from 2 brands — EXIDE and FULLRIVER.
In the AGM (Extended Life) grade, EXIDE supplies 1 part: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is EXIDE MX51R.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT62051.
This group includes EXIDE MX51R and FULLRIVER FT62051.
Buying Electrical Parts for a 1955 Fiat 500
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.
- Confirm you have the 570cc 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, 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 .
Frequently Asked Questions
How many electrical parts fit the 1955 Fiat 500?
Our catalog currently lists 2 electrical parts for the 1955 Fiat 500 across 1 subcategory and 2 brands, covering the 570cc L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 1955 Fiat 500?
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 1955 Fiat 500 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 1955 Fiat 500?
Every part on this page is matched to the 570cc L4 engine. 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 1955 Fiat 500
Electrical Parts for Other Fiat 500 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.