The 2020 Audi A4 has 17 electrical connector parts with verified fitment on this page — 12 part types and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The connector system on the 2020 Audi A4 supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Repair Harness (4 parts), Parking Aid Sensor Connector (2 parts) and Temperature Sender / Sensor Connector (2 parts). The other 9 part types cover the remaining 9 parts.
The 2020 Audi A4 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
4 brands supply electrical connector parts for the 2020 Audi A4, led by STANDARD MOTOR PRODUCTS (11 parts), VEMO (4 parts) and HOLSTEIN (1 part), plus 1 more brand.
Each part number listed for the 2020 Audi A4 opens a page with every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | ALH289 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS ALH289.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2807 | 🇺🇸 US 🇨🇦 CA | A4 QuattroIntake 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.
One part is listed for the 2020 Audi A4 — STANDARD MOTOR PRODUCTS S2807.
Brake Pad Wear Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
This table covers the harness connectors at the Brake Pad Wear 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 2020 Audi A4 — STANDARD MOTOR PRODUCTS S2906.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2916 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A4 Base Model | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2916.
Fuel Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2879 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A4 Base Modelhigh pressure | View on Amazon |
This table covers the harness connectors at the Fuel 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 S2879.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2869 | 🇺🇸 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2869.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2HAR0060 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | S2316 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalNumber of Splice Connectors Included: 3 | View on Amazon |
This table covers the harness connectors at the Parking Aid 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 Parking Aid Sensor Connector parts for the 2020 Audi A4 come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS.
Listed part numbers: HOLSTEIN 2HAR0060 and STANDARD MOTOR PRODUCTS S2316.
Repair Harness
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10830080 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Expert Kits | View on Amazon |
| VEMO | V24830035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Expert Kits | View on Amazon |
| VEMO | V10830094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits A4 Quattroor A4 Base Model | View on Amazon |
| VEMO | V10560006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Repair harnesses.
4 Repair Harness parts for the 2020 Audi A4 come from VEMO.
Part numbers include VEMO V10830080, VEMO V24830035 and VEMO V10830094, among others listed above.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A4 Base Model | 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 | S2860 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalGauge: 16 Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
2 Temperature Sender / Sensor Connector parts for the 2020 Audi A4 come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S2860 and STANDARD MOTOR PRODUCTS S2906.
Trailer Wire Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT | 56236 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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 2020 Audi A4 — CURT 56236.
Buying Electrical Connector Parts for a 2020 Audi A4
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 2.0L L4 Turbocharged 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: Repair Harness and Parking Aid Sensor Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2020 Audi A4?
Our catalog currently lists 17 electrical connector parts for the 2020 Audi A4 across 12 subcategories and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2020 Audi A4?
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 2020 Audi A4 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 2020 Audi A4?
Every part on this page is matched to the 2.0L L4 Turbocharged 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 2020 Audi A4
Electrical Connector Parts for Other Audi A4 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.