29 Electrical connector parts are listed for the 2021 Audi Q7, in 13 part types, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi Q7, 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 Trailer Connector (11 parts), Repair Harness (4 parts) and Ignition Coil Connector (2 parts). The other 10 part types cover the remaining 12 parts.
The 2021 Audi Q7 was sold with both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. 26 parts fit every engine; the other 3 are engine-specific. Each part shows which engine(s) it fits.
6 brands supply electrical connector parts for the 2021 Audi Q7, led by CURT (15 parts), STANDARD MOTOR PRODUCTS (7 parts) and VEMO (4 parts), plus 3 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi Q7. 3 parts have it, including CURT 56415 (Trailer Connector) and CURT 55415 (Trailer Connector). Each part number opens a page with every vehicle that part fits.
A/C Compressor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | 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.
Brake Pad Wear Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | 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 2021 Audi Q7 — STANDARD MOTOR PRODUCTS S2906.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | S2869 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: 3.0L V6 Turbocharged | 1P2648 | 🇺🇸 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.
2 Ignition Coil Connector parts for the 2021 Audi Q7 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 1 is engine-specific.
Part numbers include STANDARD MOTOR PRODUCTS S2869 and WELLS 1P2648.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 Turbocharged | S2893 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2021 Audi Q7 — STANDARD MOTOR PRODUCTS S2893.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: all 2021 Q7 engines | 2HAR0060 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | 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 2021 Audi Q7 come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
Part numbers include HOLSTEIN 2HAR0060 and STANDARD MOTOR PRODUCTS S2316.
Repair Harness
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2021 Q7 engines | V10830080 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Expert Kits | View on Amazon |
| VEMO Fits: all 2021 Q7 engines | V24830035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Expert Kits | View on Amazon |
| VEMO Fits: all 2021 Q7 engines | V10830094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO Fits: all 2021 Q7 engines | V10560006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Repair harnesses.
4 Repair Harness parts for the 2021 Audi Q7 come from VEMO. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
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 Fits: all 2021 Q7 engines | S3235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
Trailer Adapter Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2021 Q7 engines | 57101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 7-Way Round RV To 4-Way Flat Adapter | View on Amazon |
This table covers the harness connectors at the Trailer Adapter. 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: CURT 57101.
Trailer Brake Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2021 Q7 engines | 51522 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brake Control Adapter HarnessIncludes OEM Connector, 2 ft. Wire, Protective Sleeve, and 12 Gauge Wire | View on Amazon |
| TEKONSHA Fits: all 2021 Q7 engines | 3072P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2-Plug Harness (Plugs Directly Into Your Vehicle and Brake Control) | View on Amazon |
This table covers the harness connectors at the Trailer Brake 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 Trailer Brake Switch Connector parts for the 2021 Audi Q7 come from 2 brands — CURT and TEKONSHA. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
Listed part numbers: CURT 51522 and TEKONSHA 3072P.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Popular Fits: all 2021 Q7 engines | 56415 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Replacement 7-Way RV Blade OEM SocketTwist-In | View on Amazon |
| CURT Popular Fits: all 2021 Q7 engines | 55415 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Replacement 7-Way RV Blade OEM Socket | View on Amazon |
| CURT Popular Fits: all 2021 Q7 engines | 56229 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 7-Way USCAR Electrical ConnectorLength: 24 in. | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 55515 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring ConnectorOE 4-Way Flat | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 56515 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Connector5-Way Flat | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 55774 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way | View on Amazon |
| CURT Fits: 2.0L L4 Turbocharged | 55664 | 🇺🇸 US 🇨🇦 CA | OEM Vehicle to Trailer Connector with Harness6-Way and 4-Way | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 57015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 55384 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Connector4-Way Flat | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 57020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged | View on Amazon |
| CURT Fits: all 2021 Q7 engines | 56584 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Harness5-Way Flat | 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.
CURT supplies the 11 Trailer Connector parts for the 2021 Audi Q7. CURT 56415 carries the "Popular" badge. 10 parts fit every engine; the other 1 is engine-specific.
Trailer Extension Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2021 Q7 engines | 56475 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Custom Wiring Harness Extension | View on Amazon |
This table covers the harness connectors at the Trailer Extension. 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: CURT 56475.
Trailer Wire Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: all 2021 Q7 engines | 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 2021 Audi Q7 — CURT 56236.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2021 Q7 engines | S2279 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
Buying Electrical Connector Parts for a 2021 Audi Q7
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. Some electrical connector parts fit every engine; others are 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: Trailer Connector and Repair Harness .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Audi Q7?
Our catalog currently lists 29 electrical connector parts for the 2021 Audi Q7 across 13 subcategories and 6 brands, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2021 Audi Q7 engines?
Some do. 26 parts fit every engine; the other 3 are engine-specific. Each row (and the filter at the top) shows which. 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 2021 Audi Q7?
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 2021 Audi Q7 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 2021 Audi Q7?
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 2021 Audi Q7
Electrical Connector Parts for Other Audi Q7 Years
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