114 Electrical connector parts are listed for the 2003 Honda Pilot, in 52 part types, covering the 3.5L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2003 Honda Pilot, 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 Blower Motor Control Module / Resistor Connector (11 parts), Trailer Connector (9 parts) and Manifold Pressure (MAP) Sensor Connector (6 parts). The other 49 part types cover the remaining 88 parts.
Every part on this page is matched to the 3.5L V6 — the only engine offered in the 2003 Honda Pilot.
The most listed brands for 2003 Honda Pilot electrical connector parts are STANDARD MOTOR PRODUCTS (60 parts), UNITED MOTOR PRODUCTS (12 parts) and WELLS (10 parts), plus 15 more brands.
8 parts on this 2003 Honda Pilot page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS HP4145 (Blower Motor Control Module / Resistor Connector) and STANDARD MOTOR PRODUCTS S2526 (Ignition Coil Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2965 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the A/C Compressor. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2965.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3230 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the A/C Refrigerant Pressure 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 S3230.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2926 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| STANDARD MOTOR PRODUCTS | S973 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square | View on Amazon |
| WELLS | 1P2661 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 2 Terminals | View on Amazon |
This table covers the harness connectors at each ABS wheel-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 ABS Wheel Speed Sensor Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS S2926, STANDARD MOTOR PRODUCTS S973 and WELLS 1P2661.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
This table covers the harness connectors at the Accessory Power Relay. 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 Accessory Power Relay Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2543.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2548 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Alternator / Generator. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2548.
Ambient Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Internal | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | View on Amazon |
This table covers the harness connectors at the Ambient Air 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2003 Honda Pilot.
This group includes STANDARD MOTOR PRODUCTS S3243 and STANDARD MOTOR PRODUCTS S2543.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3205 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Blower Motor. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S3205.
Blower Motor Control Module / Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | HP4145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | S1519 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| WELLS Popular | 1P1789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
| FOUR SEASONS | 70059 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 Terminal Male | View on Amazon |
| FOUR SEASONS | 37257 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4 Terminal Male | View on Amazon |
| HOLSTEIN | 2HAR0005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| HOLSTEIN | 2HAR0001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearEX Model | View on Amazon |
| ROSTRA | 610069 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2447 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Brass | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519HT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
This table covers the connectors at the blower resistor or control module. 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.
11 Blower Motor Control Module / Resistor Connector parts for the 2003 Honda Pilot come from 6 brands — STANDARD MOTOR PRODUCTS, FOUR SEASONS, HOLSTEIN and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP4145.
Blower Motor Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 70059 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 Terminal MaleRelay Harness Connector | View on Amazon |
This table covers the harness connectors at the Blower Motor Relay. 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: FOUR SEASONS 70059.
Brake Light Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
| WELLS | 1P1789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Quantity: 4Wire Quantity: 8 | View on Amazon |
This table covers the harness connectors at the Brake Light 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.
4 Brake Light Switch Connector parts for the 2003 Honda Pilot come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24 and the remaining parts above.
Cabin Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Cabin Air 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3243.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2857 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Camshaft 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.
One part is listed for the 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2857.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S973 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square | View on Amazon |
| WELLS | 1P2661 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
2 Crankshaft Position Sensor Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS S973 and WELLS 1P2661.
Door Lock Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2HAR0061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Rightwith 3 Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2854 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Rightwith 3 Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS | S973 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square | View on Amazon |
This table covers the harness connectors at the Door Lock Actuator. 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 Door Lock Actuator Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and HOLSTEIN.
Part numbers include HOLSTEIN 2HAR0061, STANDARD MOTOR PRODUCTS S2854 and STANDARD MOTOR PRODUCTS S973.
EGR Valve Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3078 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the EGR 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.
One part is listed for the 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S3078.
Fog / Driving Lamp Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1519 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON24 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: FemaleTerminal Quantity: 4 | View on Amazon |
This table covers the harness connectors at the Fog / Driving Lamp Relay. 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 Fog / Driving Lamp Relay Connector parts for the 2003 Honda Pilot come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS HP4145, STANDARD MOTOR PRODUCTS S1519 and UNITED MOTOR PRODUCTS CON24.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GB REMANUFACTURING | 5193 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | S2291 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 1P4067 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Fuel Injector. 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 Fuel Injector Connector parts are listed for the 2003 Honda Pilot, from GB REMANUFACTURING, STANDARD MOTOR PRODUCTS and WELLS.
This group includes GB REMANUFACTURING 5193, STANDARD MOTOR PRODUCTS S2291 and WELLS 1P4067.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOBEST | FW801 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fuel Pump Wiring Harness | View on Amazon |
| GMB | 5001002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fuel Pump Wiring Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. 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 Fuel Pump / Circuit Opening Relay Connector parts for the 2003 Honda Pilot come from 4 brands — AUTOBEST, GMB, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include AUTOBEST FW801, GMB 5001002 and STANDARD MOTOR PRODUCTS S1600, among others listed above.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2830 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Fuel Sending Unit. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2830.
Fuel Tank Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2547 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Fuel Tank Pressure 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2547.
Headlamp Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Headlamp Relay. 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.
2 Headlamp Relay Connector parts for the 2003 Honda Pilot come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S1600 and UNITED MOTOR PRODUCTS CON30.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | LWH109 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue StreakHigh Temperature | View on Amazon |
This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
This group shows a single part: STANDARD MOTOR PRODUCTS LWH109.
Horn Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Horn Relay. 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.
2 Horn Relay Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S1600 and UNITED MOTOR PRODUCTS CON30.
HVAC Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the HVAC Relay. 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.
2 HVAC Relay Connector parts for the 2003 Honda Pilot come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1600 and UNITED MOTOR PRODUCTS CON30.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | S2526 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP | UF400F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER | S2526 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS | CON207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS | 2701079 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
5 Ignition Coil Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS, FVP, ULTRA-POWER and 2 other brands. STANDARD MOTOR PRODUCTS S2526 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS S2526 and FVP UF400F and the remaining parts above.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2480 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: Female + Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | S3085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: Female | View on Amazon |
This table covers the harness connectors at the Knock / Detonation 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2003 Honda Pilot.
Part numbers include STANDARD MOTOR PRODUCTS S2480 and STANDARD MOTOR PRODUCTS S3085.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | S2325 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Popular | 2701061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN | 2HAR0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER | 2701061 | 🇺🇸 US 🇨🇦 CA | Manifold Absolute Pressure Sensor Connector | View on Amazon |
| UNITED MOTOR PRODUCTS | CON204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 1P2654 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
6 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, HOLSTEIN and 3 other brands. STANDARD MOTOR PRODUCTS S2325 carries the "Popular" badge.
Part numbers include STANDARD MOTOR PRODUCTS S2325, WALKER PRODUCTS 2701061 and HOLSTEIN 2HAR0065, among others listed above.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | View on Amazon |
| STANDARD MOTOR PRODUCTS | S3284 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Oil Pressure Sender / Switch Connector parts for the 2003 Honda Pilot come from STANDARD MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S2543 and STANDARD MOTOR PRODUCTS S3284.
On-Board Diagnostic (OBD) Port Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1P1474 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Universal Type | View on Amazon |
This table covers the harness connectors at the On-Board Diagnostic (OBD) Port. 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 2003 Honda Pilot — WELLS 1P1474.
Oxygen (O2) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2857 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upstream SensorColor Code Gray and White | View on Amazon |
| STANDARD MOTOR PRODUCTS | S3096 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gauge: 16 Gauge | View on Amazon |
This table covers the harness connectors at the Oxygen (O2) 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2003 Honda Pilot.
Part numbers include STANDARD MOTOR PRODUCTS S2857 and STANDARD MOTOR PRODUCTS S3096.
Power Steering Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 645203 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | View on Amazon |
This table covers the harness connectors at the Power Steering Pressure 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.
2 Power Steering Pressure Sensor Connector parts for the 2003 Honda Pilot come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS.
Listed part numbers: DORMAN 645203 and STANDARD MOTOR PRODUCTS S2543.
Power Window Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Power Window Relay. 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.
2 Power Window Relay Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1600 and UNITED MOTOR PRODUCTS CON30.
Radiator Fan Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3173 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Radiator Fan Motor. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S3173.
Radiator Fan Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S1600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangleContact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS | CON30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Radiator Fan Relay. 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.
2 Radiator Fan Relay Connector parts are listed for the 2003 Honda Pilot, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S1600 and UNITED MOTOR PRODUCTS CON30.
Radiator Fan Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 70016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2 Terminal Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | View on Amazon |
| STANDARD MOTOR PRODUCTS | S973 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square | View on Amazon |
This table covers the harness connectors at the Radiator Fan 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.
3 Radiator Fan Switch Connector parts for the 2003 Honda Pilot come from 2 brands — STANDARD MOTOR PRODUCTS and FOUR SEASONS.
Listed part numbers: FOUR SEASONS 70016, STANDARD MOTOR PRODUCTS S2543 and STANDARD MOTOR PRODUCTS S973.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | 701721 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | TURBOWireWire Harness | View on Amazon |
| METRA | 711721 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | TURBOWireRepair Wire Harness | View on Amazon |
| METRA | 701721T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | TURBOWireAmp Bypass Wire Harness | View on Amazon |
| METRA | BT1721A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Parrot Harness | View on Amazon |
This table covers the harness connectors at the Radio. 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 Radio Connector parts for the 2003 Honda Pilot come from METRA.
Listed part numbers: METRA 701721, METRA 711721 and METRA 701721T, plus the other parts above.
Repair Harness
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | HE1 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2-Pin Solenoid Harness Repair KitFits All Ext On/Off & Linear Solenoids | View on Amazon |
| ROSTRA | 3500146 | 🇺🇸 US 🇨🇦 CA | Repair Harness for External Case Solenoids | View on Amazon |
| ROSTRA | 3500147 | 🇺🇸 US 🇨🇦 CA | Repair Kit for Pressure Switch Connectors/Harness | View on Amazon |
This table covers the Repair harnesses.
3 Repair Harness parts are listed for the 2003 Honda Pilot, from ROSTRA and ATP.
Listed part numbers: ATP HE1, ROSTRA 3500146 and ROSTRA 3500147.
Shift Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangularHarness Length | View on Amazon |
This table covers the harness connectors at the Shift Solenoid. 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 S2908.
Speaker Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | 727800 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | TURBOWireSpeaker Harness | View on Amazon |
This table covers the harness connectors at the Speaker. 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: METRA 727800.
Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2889 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission Output | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2889.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Round | View on Amazon |
This table covers the harness connectors at the Temperature Sender / 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2543.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | TC177 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | TC424 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trailer/Vehicle Side: Vehicle and Trailer Side | View on Amazon |
| CURT | 55336 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Connector | View on Amazon |
| CURT | 58949 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug | View on Amazon |
| HELLA | 001909001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorHalogen | View on Amazon |
| STANDARD MOTOR PRODUCTS | TC423 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 6 Way | View on Amazon |
| STANDARD MOTOR PRODUCTS | TC477 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Vehicle Connectorwith 4 Way | View on Amazon |
| WELLS | 4T1185 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taillight Converter, Used on vehicles which have a separate bulb for turn signals. | View on Amazon |
| WELLS | 4T1165 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 7 Pin RV Type to 4 Pin Flat Adapter48" Lead Wire | View on Amazon |
This table covers the trailer-lighting connectors at the hitch. 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.
9 Trailer Connector parts for the 2003 Honda Pilot come from 5 brands — STANDARD MOTOR PRODUCTS, CURT, WELLS and 2 other brands. The "Popular" part is ACDELCO TC177.
Listed part numbers: ACDELCO TC177, STANDARD MOTOR PRODUCTS TC424 and CURT 55336, plus the other parts above.
Trailer Wire Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | TC466 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Converterwith 4 Way | View on Amazon |
This table covers the Trailer Wire converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.
This group shows a single part: STANDARD MOTOR PRODUCTS TC466.
Transmission Fluid Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S973 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square | View on Amazon |
This table covers the harness connectors at the Transmission Fluid 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.
One part is listed for the 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S973.
Transmission-Automatic Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | HE17 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the wiring-harness connectors at the Transmission-Automatic. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.
This group shows a single part: ATP HE17.
Turn Signal Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 610893 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 1P1206 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Turn Signal Relay. 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.
2 Turn Signal Relay Connector parts are listed for the 2003 Honda Pilot, from ROSTRA and WELLS.
Part numbers include ROSTRA 610893 and WELLS 1P1206.
Turn Signal Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2938 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
This table covers the harness connectors at the Turn Signal 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 S2938.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2931 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangularHarness Length | View on Amazon |
This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2931.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: RectangularHarness Length | View on Amazon |
This table covers the harness connectors at the Vapor Canister Vent Valve / Solenoid. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2908.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2929 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 1 Terminal | View on Amazon |
This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S2929.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S740 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | 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 2003 Honda Pilot — STANDARD MOTOR PRODUCTS S740.
Buying Electrical Connector Parts for a 2003 Honda Pilot
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Confirm you have the 3.5L 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, 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: Blower Motor Control Module / Resistor Connector and Trailer Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2003 Honda Pilot?
Our catalog currently lists 114 electrical connector parts for the 2003 Honda Pilot across 52 subcategories and 18 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2003 Honda Pilot?
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 2003 Honda Pilot 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 2003 Honda Pilot?
Every part on this page is matched to the 3.5L V6 engine. 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 2003 Honda Pilot
Electrical Connector Parts for Other Honda Pilot 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.