The 1973 Fiat 128 has 2 electrical connector parts with verified fitment on this page — 2 part types and 2 brands, covering both the 1.1L L4 and the 1.3L L4. Each part includes a manufacturer part number and application notes.
On the 1973 Fiat 128, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. All 2 listed parts are Oil Pressure Sender / Switch Connector (1 part) and Washer Pump Connector (1 part).
The 1973 Fiat 128 was sold with both the 1.1L L4 and the 1.3L L4. All 2 parts on this page fit every engine.
The most listed brands for 1973 Fiat 128 electrical connector parts are STANDARD MOTOR PRODUCTS (1 part) and WAI GLOBAL (1 part).
Each part number listed for the 1973 Fiat 128 opens a page with every vehicle that part fits.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1973 128 engines | S1634 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S1634.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: all 1973 128 engines | 399002 | 🇺🇸 US 🇨🇦 CA | AccessoryUniversal Switch for Washer Pump System | View on Amazon |
This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 1973 Fiat 128 — WAI GLOBAL 399002.
Buying Electrical Connector Parts for a 1973 Fiat 128
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- You do not need to pick an engine: every electrical connector part on this page fits both the 1.1L L4 and the 1.3L L4.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Pressure Sender / Switch Connector and Washer Pump Connector .
Frequently Asked Questions
How many electrical connector parts fit the 1973 Fiat 128?
Our catalog currently lists 2 electrical connector parts for the 1973 Fiat 128 across 2 subcategories and 2 brands, covering both the 1.1L L4 and the 1.3L L4. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 1973 Fiat 128 engines?
No. On this page every electrical connector part fits both the 1.1L L4 and the 1.3L L4. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical connector problems on a 1973 Fiat 128?
Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. 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, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
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 1973 Fiat 128 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 1973 Fiat 128?
Every part on this page already fits both the 1.1L L4 and the 1.3L L4. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1973 Fiat 128
Electrical Connector Parts for Other Fiat 128 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.