34 Electrical connector parts are listed for the 2021 Nissan Armada, in 18 part types, covering the 5.6L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Nissan Armada, 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), Ignition Coil Connector (3 parts) and A/C Compressor Clutch Coil Connector (2 parts). The other 15 part types cover the remaining 18 parts.
Every part on this page is matched to the 5.6L V8 — the only engine offered in the 2021 Nissan Armada.
The most listed brands for 2021 Nissan Armada electrical connector parts are CURT (15 parts), STANDARD MOTOR PRODUCTS (10 parts) and WELLS (2 parts), plus 6 more brands.
2 parts on this 2021 Nissan Armada page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including CURT 55415 (Trailer Connector) and CURT 56229 (Trailer Connector). Click any part number to see every vehicle that part fits.
A/C Compressor Clutch Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 70067 | 🇺🇸 US 🇨🇦 CA | 1 Terminal Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2978 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the A/C Compressor Clutch 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 A/C Compressor Clutch Coil Connector parts are listed for the 2021 Nissan Armada, from FOUR SEASONS and STANDARD MOTOR PRODUCTS.
This group includes FOUR SEASONS 70067 and STANDARD MOTOR PRODUCTS S2978.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2458 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 18, 20 | View on Amazon |
| UNITED MOTOR PRODUCTS | CON205 | 🇺🇸 US 🇨🇦 CA | 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.
2 A/C Refrigerant Pressure Switch Connector parts for the 2021 Nissan Armada come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS S2458 and UNITED MOTOR PRODUCTS CON205.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1P4274 | 🇺🇸 US 🇨🇦 CA | 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 2021 Nissan Armada — WELLS 1P4274.
Battery Cable Junction Block Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 956140 | 🇺🇸 US 🇨🇦 CA | OE FIX | View on Amazon |
This table covers the harness connectors at the Battery Cable Junction Block. 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: DORMAN 956140.
Blower Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S3211 | 🇺🇸 US 🇨🇦 CA | 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 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S3211.
Fuel Injection Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Fuel Injection 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.
One part is listed for the 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2212.
Fuel Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2328 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular, OvalTerminal Quantity: 2 | 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.
One part is listed for the 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2328.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2993 | 🇺🇸 US 🇨🇦 CA | 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 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2993.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2327 | 🇺🇸 US 🇨🇦 CA | Gender: Female | View on Amazon |
| WALKER PRODUCTS | 2701085 | 🇺🇸 US 🇨🇦 CA | Includes Boot and Spring | View on Amazon |
| WELLS | 1P4056 | 🇺🇸 US 🇨🇦 CA | 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.
3 Ignition Coil Connector parts are listed for the 2021 Nissan Armada, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS S2327, WALKER PRODUCTS 2701085 and WELLS 1P4056.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2907 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring | 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.
One part is listed for the 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2907.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2327 | 🇺🇸 US 🇨🇦 CA | Gender: Female | 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 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2327.
Radio Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| METRA | AXBUCHNS | 🇺🇸 US 🇨🇦 CA | Radio Add-On CAM Wiring 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.
This group shows a single part: METRA AXBUCHNS.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | 2701096 | 🇺🇸 US 🇨🇦 CA | Coolant Temperature Sensor Connector | View on Amazon |
| WALKER PRODUCTS | 2701096 | 🇺🇸 US 🇨🇦 CA | 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 are listed for the 2021 Nissan Armada, from ULTRA-POWER and WALKER PRODUCTS.
This group includes ULTRA-POWER 2701096 and the remaining parts above.
Trailer Adapter Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT | 57101 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2021 Nissan Armada — CURT 57101.
Trailer Brake Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT | 51382 | 🇺🇸 US 🇨🇦 CA | Brake Control Adapter HarnessIncludes OEM Connector, 2 ft. Wire, Protective Sleeve, and 12 Gauge Wire | View on Amazon |
| CURT | 51383 | 🇺🇸 US 🇨🇦 CA | Brake Control Adapter HarnessIncludes OEM Connector, 2 ft. Wire, Protective Sleeve, and 12 Gauge Wire | 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.
CURT supplies both parts for the 2021 Nissan Armada.
Part numbers include CURT 51382 and CURT 51383.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Popular | 55415 | 🇺🇸 US 🇨🇦 CA | Replacement 7-Way RV Blade OEM Socket | View on Amazon |
| CURT Popular | 56229 | 🇺🇸 US 🇨🇦 CA | 7-Way USCAR Electrical ConnectorLength: 24 in. | View on Amazon |
| CURT | 55416 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Replacement OEM 7-Way RV Blade SocketPlugs Into USCAR Socket | View on Amazon |
| CURT | 56415 | 🇺🇸 US 🇨🇦 CA | Replacement 7-Way RV Blade OEM SocketTwist-In | View on Amazon |
| CURT | 55515 | 🇺🇸 US 🇨🇦 CA | Custom Wiring ConnectorOE 4-Way Flat | View on Amazon |
| CURT | 56515 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Connector5-Way Flat | View on Amazon |
| CURT | 57015 | 🇺🇸 US 🇨🇦 CA | OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket | View on Amazon |
| CURT | 55384 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Connector4-Way Flat | View on Amazon |
| CURT | 57020 | 🇺🇸 US 🇨🇦 CA | OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged | View on Amazon |
| CURT | 55774 | 🇺🇸 US 🇨🇦 CA | OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way | View on Amazon |
| CURT | 56584 | 🇺🇸 US 🇨🇦 CA | 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.
11 Trailer Connector parts for the 2021 Nissan Armada come from CURT. The "Popular" part is CURT 55415.
Trailer Extension Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT | 56475 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2021 Nissan Armada — CURT 56475.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2898 | 🇺🇸 US 🇨🇦 CA | 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 2021 Nissan Armada — STANDARD MOTOR PRODUCTS S2898.
Buying Electrical Connector Parts for a 2021 Nissan Armada
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 5.6L V8 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: Trailer Connector and Ignition Coil Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Nissan Armada?
Our catalog currently lists 34 electrical connector parts for the 2021 Nissan Armada across 18 subcategories and 9 brands, covering the 5.6L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2021 Nissan Armada?
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 Nissan Armada 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 Nissan Armada?
Every part on this page is matched to the 5.6L V8 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 2021 Nissan Armada
Electrical Connector Parts for Other Nissan Armada Years
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