The 2018 Audi Q3 has 19 electrical connector parts with verified fitment on this page — 17 part types and 5 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part includes a manufacturer part number and application notes.
The connector system on the 2018 Audi Q3 supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are ABS Wheel Speed Sensor Connector (2 parts), Fuel Pump / Circuit Opening Relay Connector (2 parts) and A/C Compressor Connector (1 part). The other 14 part types cover the remaining 14 parts.
The 2018 Audi Q3 was sold with both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
5 brands supply electrical connector parts for the 2018 Audi Q3, led by STANDARD MOTOR PRODUCTS (15 parts), WELLS (1 part) and ÜRO PARTS (1 part), plus 2 more brands.
Each part number listed for the 2018 Audi Q3 opens a page with every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S2906 | 🇲🇽 MX | Black | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2906.
ABS Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3068 | 🇲🇽 MX | Connector Shape: Rectangular | View on Amazon |
This table covers the harness connectors at the ABS 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.
One part is listed for the 2018 Audi Q3 — STANDARD MOTOR PRODUCTS S3068.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3138 | 🇲🇽 MX | Terminal Gender: FemaleTerminal Type: Blade | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | ALH213 | 🇲🇽 MX | Terminal Gender: MaleFemale | 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.
2 ABS Wheel Speed Sensor Connector parts for the 2018 Audi Q3 come from STANDARD MOTOR PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS S3138 and STANDARD MOTOR PRODUCTS ALH213.
Accessory Power Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3068 | 🇲🇽 MX | Connector Shape: Rectangular | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3068.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3218 | 🇲🇽 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3218.
Fuel Pump / Circuit Opening Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3068 | 🇲🇽 MX | Connector Shape: Rectangular | View on Amazon |
| WELLS Fits: 1.4L L4 Turbocharged | 1P4004 | 🇲🇽 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.
2 Fuel Pump / Circuit Opening Relay Connector parts are listed for the 2018 Audi Q3, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS S3068 and WELLS 1P4004.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Fits: 1.4L L4 Turbocharged | 1J0973724 | 🇲🇽 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.
This group shows a single part: ÜRO PARTS 1J0973724.
Radiator Fan Resistor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3125 | 🇲🇽 MX | Connector Shape: Oval | View on Amazon |
This table covers the harness connectors at the Radiator Fan Resistor. 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 S3125.
Repair Harness
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 1.4L L4 Turbocharged | V10830094 | 🇲🇽 MX | View on Amazon |
This table covers the Repair harnesses.
This group shows a single part: VEMO V10830094.
Starter Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3068 | 🇲🇽 MX | Connector Shape: Rectangular | View on Amazon |
This table covers the harness connectors at the Starter 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3068.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3235 | 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Starter 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 S3235.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S2906 | 🇲🇽 MX | Black | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2906.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S1419 | 🇲🇽 MX | Connector Shape: OvalGender: Female | View on Amazon |
This table covers the harness connectors at the Throttle Control 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S1419.
Trailer Wire Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 1.4L L4 Turbocharged | 56236 | 🇲🇽 MX | Multi-Function Taillight ConverterConverts 2-Wire/3-Wire/PWM Stop/Turn System To 2-Wire Trailer Light Wiring | 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.
One part is listed for the 2018 Audi Q3 — CURT 56236.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S2279 | 🇲🇽 MX | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2279.
Washer Pump Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S3068 | 🇲🇽 MX | Connector Shape: Rectangular | View on Amazon |
This table covers the harness connectors at the Washer Pump 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.
One part is listed for the 2018 Audi Q3 — STANDARD MOTOR PRODUCTS S3068.
Water Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.4L L4 Turbocharged | S2906 | 🇲🇽 MX | Black | View on Amazon |
This table covers the harness connectors at the Water 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 2018 Audi Q3 — STANDARD MOTOR PRODUCTS S2906.
Buying Electrical Connector Parts for a 2018 Audi Q3
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: ABS Wheel Speed Sensor Connector and Fuel Pump / Circuit Opening Relay Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2018 Audi Q3?
Our catalog currently lists 19 electrical connector parts for the 2018 Audi Q3 across 17 subcategories and 5 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2018 Audi Q3 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 2018 Audi Q3?
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 2018 Audi Q3 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 2018 Audi Q3?
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 2018 Audi Q3
Electrical Connector Parts for Other Audi Q3 Years
Switch vehicle or jump to a subcategory
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.