7 Electrical connector parts are listed for the 2021 Ram Promaster Rapid, in 4 part types, covering the 1.4L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Ram Promaster Rapid, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 6 parts of the 7 listed are Door Wiring Harness / Connector (2 parts), Fog / Driving Lamp Connector (2 parts) and Power Door Lock Connector (2 parts). The other 1 part type covers the remaining 1 part.
The 2021 Ram Promaster Rapid came with a single engine, the 1.4L L4, and every part is verified against it.
2 brands supply electrical connector parts for the 2021 Ram Promaster Rapid, led by MOPAR (6 parts) and STANDARD MOTOR PRODUCTS (1 part).
Each part number listed for the 2021 Ram Promaster Rapid opens a page with every vehicle that part fits.
Blind Spot Detection Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2507 | 🇲🇽 MX | View on Amazon |
This table covers the harness connectors at the Blind Spot Detection 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 S2507.
Door Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68169389AG | 🇲🇽 MX | Sliding Do | View on Amazon |
| MOPAR | 68233678AF | 🇲🇽 MX | Sliding Do | View on Amazon |
This table covers the wiring-harness connectors at the Door. 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.
MOPAR supplies both parts for the 2021 Ram Promaster Rapid.
Part numbers include MOPAR 68169389AG and MOPAR 68233678AF.
Fog / Driving Lamp Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 4727679AA | 🇲🇽 MX | Jumper Wiring | View on Amazon |
| MOPAR | 4727679AB | 🇲🇽 MX | Jumper Wiring | View on Amazon |
This table covers the harness connectors at the Fog / Driving Lamp. 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 Fog / Driving Lamp Connector parts for the 2021 Ram Promaster Rapid come from MOPAR.
Part numbers include MOPAR 4727679AA and MOPAR 4727679AB.
Power Door Lock Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68550907AA | 🇲🇽 MX | Connector Plate | View on Amazon |
| MOPAR | 68100641AB | 🇲🇽 MX | Connector Plate | View on Amazon |
This table covers the harness connectors at the Power Door Lock. 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 Door Lock Connector parts for the 2021 Ram Promaster Rapid come from MOPAR.
This group includes MOPAR 68550907AA and MOPAR 68100641AB.
Buying Electrical Connector Parts for a 2021 Ram Promaster Rapid
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 1.4L L4 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: Door Wiring Harness / Connector and Fog / Driving Lamp Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2021 Ram Promaster Rapid?
Our catalog currently lists 7 electrical connector parts for the 2021 Ram Promaster Rapid across 4 subcategories and 2 brands, covering the 1.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical connector problems on a 2021 Ram Promaster Rapid?
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 Ram Promaster Rapid 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 Ram Promaster Rapid?
Every part on this page is matched to the 1.4L L4 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 Ram Promaster Rapid
Electrical Connector Parts for Other Ram Promaster Rapid Years
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