This page lists 56 electrical connector parts for the 2023 Ram 4500, across 21 part types, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The connector system on the 2023 Ram 4500 supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Trailer Connector (10 parts), Headlamp Wiring Harness / Connector (8 parts) and Body Wiring Harness / Connector (6 parts). The other 18 part types cover the remaining 32 parts.
The 2023 Ram 4500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
6 brands supply electrical connector parts for the 2023 Ram 4500, led by MOPAR (29 parts), CURT (14 parts) and STANDARD MOTOR PRODUCTS (9 parts), plus 3 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2023 Ram 4500. 5 parts have it, including MOPAR 68399008AD (Body Wiring Harness / Connector) and MOPAR 68377334AD (Headlamp Wiring Harness / Connector). Each part number opens a page with every vehicle that part fits.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 6.4L V8 | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | 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.
3 ABS Wheel Speed Sensor Connector parts for the 2023 Ram 4500 come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
This group includes ACDELCO PT2160, STANDARD MOTOR PRODUCTS HP3945 and STANDARD MOTOR PRODUCTS S824.
Battery Current Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S1686 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalBlack | View on Amazon |
This table covers the harness connectors at the Battery Current 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 S1686.
Body Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 6.4L V8 | 68399008AD | 🇺🇸 US 🇨🇦 CA | Camera | View on Amazon |
| MOPAR Fits: 6.4L V8 | 52112343AD | 🇺🇸 US 🇨🇦 CA | Fits Regular Cab Chassis Wheelbase 3or Regular Cab Chassis Wheelbase 4or Regular Cab Chassis Wheelbase 1or Regular Cab Chassis Wheelbase 2or Crew Cab Wheelbase 4or Crew Cab197.4" Wheelbase | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68396015AC | 🇺🇸 US 🇨🇦 CA | Camera | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68397412AA | 🇺🇸 US 🇨🇦 CA | Fits Parksense Rear Park Assist System or Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Parksense Rear Park Assist System or Parksense FR/RR Park Assist System | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68403945AD | 🇺🇸 US 🇨🇦 CA | Front Axle Disconnect | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68412666AA | 🇺🇸 US 🇨🇦 CA | Fits Trailer Tire Pressure Monitoring SystemCrew Cab Wheelbase 4or Trailer Tire Pressure Monitoring System | View on Amazon |
This table covers the body-harness connectors and pigtails. 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 the 6 Body Wiring Harness / Connector parts for the 2023 Ram 4500. MOPAR 68399008AD carries the "Popular" badge.
Part numbers include MOPAR 68399008AD, MOPAR 52112343AD and MOPAR 68396015AC, among others listed above.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S2278 | 🇺🇸 US 🇨🇦 CA | BlackConnector Shape: Oval | View on Amazon |
This table covers the harness connectors at the Camshaft 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 S2278.
Controller Area Network (CAN) Bus Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.4L V8 | 601309 | 🇺🇸 US 🇨🇦 CA | 13-Way Green | View on Amazon |
| DORMAN Fits: 6.4L V8 | 601308 | 🇺🇸 US 🇨🇦 CA | 20-Way Green | View on Amazon |
This table covers the harness connectors at the Controller Area Network (CAN) Bus. 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 Controller Area Network (CAN) Bus Connector parts for the 2023 Ram 4500 come from DORMAN.
This group includes DORMAN 601309 and DORMAN 601308.
Door Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68365982AD | 🇺🇸 US 🇨🇦 CA | Rear Door Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68365983AD | 🇺🇸 US 🇨🇦 CA | Rear Door Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68365984AD | 🇺🇸 US 🇨🇦 CA | Rear Door Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68365985AD | 🇺🇸 US 🇨🇦 CA | Rear Door Wiring | 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 the 4 Door Wiring Harness / Connector parts for the 2023 Ram 4500.
Listed part numbers: MOPAR 68365982AD, MOPAR 68365983AD and MOPAR 68365984AD, plus the other parts above.
Engine Block Heater Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68419912AB | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.Engine Block Heater | View on Amazon |
This table covers the harness connectors at the Engine Block Heater. 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: MOPAR 68419912AB.
Engine Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68550555AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.180 Amps Alternator | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68550556AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.180 Amp Alternator, Manual Shift-On-The-Fly Transfer Case | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68550557AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.180 Amp Alternator, Electric Shift-On-The-Fly Transfer Case | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68550558AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.220 Amps Alternator | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68550559AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS Engine.220 Amp Alternator, Manual Shift-On-The-Fly Transfer Case | View on Amazon |
This table covers the wiring-harness connectors at the Engine. 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 the 5 Engine Wiring Harness / Connector parts for the 2023 Ram 4500.
Listed part numbers: MOPAR 68550555AA, MOPAR 68550556AA and MOPAR 68550557AA, plus the other parts above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 6.4L V8 | SKS824 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
This table covers the harness connectors at the Fuel Injector. 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: SKP SKS824.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 6.4L V8 | 68377334AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Popular Fits: 6.4L V8 | 68377332AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68377331AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68377333AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68549639AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS EngineBI-Function LED Projector Headlamps | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68549640AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS EngineBI-Function LED Projector Headlamps, Remote Start System | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68549642AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps or LED Reflector Headlamps, Remote Start System | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68549644AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps or LED Reflector Headlamps | View on Amazon |
This table covers the wiring-harness connectors at the Headlamp. 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 the 8 Headlamp Wiring Harness / Connector parts for the 2023 Ram 4500. MOPAR 68377334AD carries the "Popular" badge.
This group includes MOPAR 68377334AD, MOPAR 68377332AD and MOPAR 68377331AD and the remaining parts above.
Heater Core Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S2478 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Heater Core 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2478.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S2860 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalGauge: 16 Gauge | 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2860.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68377331AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68377334AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68377332AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68377333AD | 🇺🇸 US 🇨🇦 CA | Fascia Wiring | 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.
4 Parking Aid Sensor Connector parts for the 2023 Ram 4500 come from MOPAR.
This group includes MOPAR 68377331AD, MOPAR 68377334AD and MOPAR 68377332AD and the remaining parts above.
Radiator Fan Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S2267 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Round | View on Amazon |
This table covers the harness connectors at the Radiator Fan 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 S2267.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S2984 | 🇺🇸 US 🇨🇦 CA | 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 S2984.
Trailer Adapter Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 6.4L V8 | 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.
This group shows a single part: CURT 57101.
Trailer Brake Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 6.4L V8 | 51457 | 🇺🇸 US 🇨🇦 CA | Brake Control Adapter Harness | View on Amazon |
| CURT Fits: 6.4L V8 | 51458 | 🇺🇸 US 🇨🇦 CA | Brake Control Adapter Harness | 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 2023 Ram 4500 come from CURT.
Part numbers include CURT 51457 and CURT 51458.
Trailer Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Popular Fits: 6.4L V8 | 55415 | 🇺🇸 US 🇨🇦 CA | Replacement 7-Way RV Blade OEM Socket | View on Amazon |
| CURT Popular Fits: 6.4L V8 | 56229 | 🇺🇸 US 🇨🇦 CA | 7-Way USCAR Electrical ConnectorLength: 24 in. | View on Amazon |
| CURT Fits: 6.4L V8 | 56415 | 🇺🇸 US 🇨🇦 CA | Replacement 7-Way RV Blade OEM SocketTwist-In | View on Amazon |
| CURT Fits: 6.4L V8 | 55515 | 🇺🇸 US 🇨🇦 CA | Custom Wiring ConnectorOE 4-Way Flat | View on Amazon |
| CURT Fits: 6.4L V8 | 56515 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Connector5-Way Flat | View on Amazon |
| CURT Fits: 6.4L V8 | 55774 | 🇺🇸 US 🇨🇦 CA | OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way | View on Amazon |
| CURT Fits: 6.4L V8 | 57015 | 🇺🇸 US 🇨🇦 CA | OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket | View on Amazon |
| CURT Fits: 6.4L V8 | 55384 | 🇺🇸 US 🇨🇦 CA | Custom Wiring Connector4-Way Flat | View on Amazon |
| CURT Fits: 6.4L V8 | 57020 | 🇺🇸 US 🇨🇦 CA | OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged | View on Amazon |
| CURT Fits: 6.4L V8 | 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.
CURT supplies the 10 Trailer Connector parts for the 2023 Ram 4500. CURT 55415 carries the "Popular" badge.
Trailer Extension Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CURT Fits: 6.4L V8 | 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.
This group shows a single part: CURT 56475.
Transmission-Automatic Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68224246AA | 🇺🇸 US 🇨🇦 CA | Fits Heavy Duty HEMI MDS EnginePower Take Off Prep - Left Side | View on Amazon |
This table covers the wiring-harness connectors at the Transmission-Automatic. 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.
One part is listed for the 2023 Ram 4500 — MOPAR 68224246AA.
Variable Power Steering Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | S3145 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Variable Power Steering 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 2023 Ram 4500 — STANDARD MOTOR PRODUCTS S3145.
Buying Electrical Connector Parts for a 2023 Ram 4500
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: Trailer Connector and Headlamp Wiring Harness / Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2023 Ram 4500?
Our catalog currently lists 56 electrical connector parts for the 2023 Ram 4500 across 21 subcategories and 6 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2023 Ram 4500 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 2023 Ram 4500?
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 2023 Ram 4500 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 2023 Ram 4500?
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 2023 Ram 4500
Electrical Connector Parts for Other Ram 4500 Years
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