16 Electrical connector parts are listed for the 2004 Fiat Palio, in 6 part types, covering both the 1.6L L4 and the 1.8L 4cyl. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2004 Fiat Palio, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. Most of the listed parts are Crankshaft Position Sensor Connector (4 parts), Air Intake / Charge Temperature Sensor Connector (3 parts) and Idle Air Control (IAC) Valve Connector (3 parts). The other 3 part types cover the remaining 6 parts.
The 2004 Fiat Palio was sold with both the 1.6L L4 and the 1.8L 4cyl. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2004 Fiat Palio electrical connector parts are STANDARD MOTOR PRODUCTS (10 parts), ACDELCO (2 parts) and WALKER PRODUCTS (2 parts), plus 2 more brands.
Each part number listed for the 2004 Fiat Palio opens a page with every vehicle that part fits.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 1.6L L4 | PT2310 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | HP4235 | 🇲🇽 MX | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | S587 | 🇲🇽 MX | Intake Air | View on Amazon |
This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. 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.
3 Air Intake / Charge Temperature Sensor Connector parts for the 2004 Fiat Palio come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
Part numbers include ACDELCO PT2310, STANDARD MOTOR PRODUCTS HP4235 and STANDARD MOTOR PRODUCTS S587.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | HP3975 | 🇲🇽 MX | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | S745 | 🇲🇽 MX | Connector Shape: Rectangleblack | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 1.6L L4 | CON149 | 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 1.6L L4 | 2701087 | 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Crankshaft Position Sensor. 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.
4 Crankshaft Position Sensor Connector parts are listed for the 2004 Fiat Palio, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WALKER PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS HP3975, STANDARD MOTOR PRODUCTS S745 and UNITED MOTOR PRODUCTS CON149 and the remaining parts above.
Idle Air Control (IAC) Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 1.6L L4 | 2HAR0064 | 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | HP3895 | 🇲🇽 MX | HandypackLength (In): 1.125 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | S551 | 🇲🇽 MX | Connector Shape: OvalLength (In): 1.125 | View on Amazon |
This table covers the harness connectors at the Idle Air Control (IAC) Valve. 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.
3 Idle Air Control (IAC) Valve Connector parts for the 2004 Fiat Palio come from 2 brands — STANDARD MOTOR PRODUCTS and HOLSTEIN.
This group includes HOLSTEIN 2HAR0064, STANDARD MOTOR PRODUCTS HP3895 and STANDARD MOTOR PRODUCTS S551.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | HP3975 | 🇲🇽 MX | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | S745 | 🇲🇽 MX | Connector Shape: Rectangleblack | View on Amazon |
This table covers the harness connectors at the Ignition Coil. 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2004 Fiat Palio.
This group includes STANDARD MOTOR PRODUCTS HP3975 and STANDARD MOTOR PRODUCTS S745.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 1.6L L4 | 2701042 | 🇲🇽 MX | Terminal Gender: FemaleIncludes Seal, O-Ring | View on Amazon |
This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. 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 2004 Fiat Palio — WALKER PRODUCTS 2701042.
Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 1.6L L4 | PT1910 | 🇺🇸 US 🇨🇦 CA | GoldTerminal Type: Pin | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | HP4240 | 🇲🇽 MX | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 | S656 | 🇲🇽 MX | Connector Shape: OvalGauge: 18 | View on Amazon |
This table covers the harness connectors at the Speed Sensor. 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.
3 Speed Sensor Connector parts for the 2004 Fiat Palio come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
This group includes ACDELCO PT1910, STANDARD MOTOR PRODUCTS HP4240 and STANDARD MOTOR PRODUCTS S656.
Buying Electrical Connector Parts for a 2004 Fiat Palio
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Match the engine first. Every electrical connector part here is 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, 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: Crankshaft Position Sensor Connector and Air Intake / Charge Temperature Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2004 Fiat Palio?
Our catalog currently lists 16 electrical connector parts for the 2004 Fiat Palio across 6 subcategories and 5 brands, covering both the 1.6L L4 and the 1.8L 4cyl. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2004 Fiat Palio engines?
Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 connector problems on a 2004 Fiat Palio?
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 2004 Fiat Palio 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 2004 Fiat Palio?
First match the engine — each row shows which engine(s) the part fits. 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 2004 Fiat Palio
Electrical Connector Parts for Other Fiat Palio Years
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