2018 Ram 4500 Electrical Connector Parts: OEM & Replacement (114 Parts)

This page lists 114 electrical connector parts for the 2018 Ram 4500, across 48 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.

On the 2018 Ram 4500, 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 Fog / Driving Lamp Connector (11 parts), Trailer Connector (10 parts) and Blower Motor Control Module / Resistor Connector (9 parts). The other 45 part types cover the remaining 84 parts.

A/C Compressor Clutch Coil Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2052	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalGauge: 18-14 Gauge Fitment notes — STANDARD MOTOR PRODUCTS S2052 Connector Shape: OvalGauge: 18-14 GaugeHarness LengthCM: 50Inches: 20	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.

A/C Refrigerant 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 A/C Refrigerant 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.

ABS Wheel Speed Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8	HP3945	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS HP3945 HandypackConnector Shape: SquareIncludes Wheel Speed Sensor Wiring HarnessBlackIncludes ABS Wheel Speed Sensor Wire Harness Fits: Front or: Rear Left	View on Amazon
ACDELCO Fits: 6.4L V8	PT2160	🇺🇸 US 🇨🇦 CA	GoldShape: Square Fitment notes — ACDELCO PT2160 GoldShape: Square Fits: Front or: Rear Left	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S824	🇺🇸 US 🇨🇦 CA	Connector Shape: SquareHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S824 Connector Shape: SquareHarness LengthIncludes ABS Wheel Speed Sensor Wire HarnessIncludes Wheel Speed Sensor Wiring Harnessinches: 7Length (In): 1.25Wiring Harness Length (mm): 209.55Black Fits: Front or: Rear Left	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2346	🇺🇸 US 🇨🇦 CA	Complete AssemblyGray Fitment notes — STANDARD MOTOR PRODUCTS S2346 Complete AssemblyGray Fits: Rear Right or: RearRight	View on Amazon
WELLS Fits: 6.4L V8	1P1344	🇺🇸 US 🇨🇦 CA	Terminal Type: BladeWiring Harness Length: 8.5 In Fitment notes — WELLS 1P1344 Terminal Type: BladeWiring Harness Length: 8.5 In Fits: Front or: Rear Left	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.

Accelerator Pedal Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1478	🇺🇸 US 🇨🇦 CA	Connector Shape: Rectangle	View on Amazon

This table covers the harness connectors at the Accelerator Pedal 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.

Air Intake / Charge Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WELLS Fits: 6.4L V8	1P1562	🇺🇸 US 🇨🇦 CA		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.

Alternator / Generator Connector

Brand	Part Number	Markets	Notes	Buy
HOLSTEIN Fits: 6.4L V8	2HAR0035	🇺🇸 US 🇨🇦 CA	Includes ABS Wheel Speed Sensor Wire Harness Fitment notes — HOLSTEIN 2HAR0035 Includes ABS Wheel Speed Sensor Wire Harness Upper Unit	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2895	🇺🇸 US 🇨🇦 CA	Upper Unit	View on Amazon
WELLS Fits: 6.4L V8	1P1877	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 18.75 In	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.

Ambient Air Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S3250	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Ambient Air 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.

Blower Motor Control Module / Resistor Connector

Brand	Part Number	Markets	Notes	Buy
GPD Popular Fits: 6.4L V8	1712769	🇺🇸 US 🇨🇦 CA	Blower Motor Resistor Pigtailwith Square Connector	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8	S2117	🇺🇸 US 🇨🇦 CA	Connector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS S2117 Connector Shape: Square without Automatic Temperature Control	View on Amazon
FOUR SEASONS Fits: 6.4L V8	37258	🇺🇸 US 🇨🇦 CA	4 Terminal MaleSquare Connector	View on Amazon
FOUR SEASONS Fits: 6.4L V8	37263	🇺🇸 US 🇨🇦 CA	4 Terminal MaleRectangular Connector	View on Amazon
GPD Fits: 6.4L V8	1713423	🇺🇸 US 🇨🇦 CA	Blower Motor Resistor Pigtailwith 4 Terminal(s) Fitment notes — GPD 1713423 Blower Motor Resistor Pigtailwith 4 Terminal(s)with Flat Connector	View on Amazon
HOLSTEIN Fits: 6.4L V8	2HAR0048	🇺🇸 US 🇨🇦 CA	without Automatic Temperature Control	View on Amazon
HOLSTEIN Fits: 6.4L V8	2HAR0002	🇺🇸 US 🇨🇦 CA	without Automatic Temp Control	View on Amazon
HOLSTEIN Fits: 6.4L V8	2HAR0052	🇺🇸 US 🇨🇦 CA	with Automatic Temperature Control	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1573	🇺🇸 US 🇨🇦 CA	Connector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS S1573 Connector Shape: Rectangle with Automatic Temperature Control	View on Amazon

This table covers the connectors at the blower resistor or control module. 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.

Body Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	52112285AB	🇺🇸 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	68323666AA	🇺🇸 US 🇨🇦 CA	Tailgate WiringCamera Fitment notes — MOPAR 68323666AA Tailgate WiringCamera Fits: Parkview Rear Back-Up CameraCrew Cab Wheelbase 4or Parkview Rear Back-up CameraCrew Cab197.4" Wheelbas or: Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 1or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 2or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 3or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68339568AE	🇺🇸 US 🇨🇦 CA	Fits Exc. Power LocksRegular Cab Chassis Wheelbase 1 Fitment notes — MOPAR 68339568AE Fits: Exc. Power LocksRegular Cab Chassis Wheelbase 16-Speed Manual G56 Transmission or: Exc. Power LocksRegular Cab Chassis Wheelbase 26-Speed Manual G56 Transmission or: Exc. Power LocksRegular Cab Chassis Wheelbase 36-Speed Manual G56 Transmission or: Exc. Power LocksRegular Cab Chassis Wheelbase 46-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68339676AE	🇺🇸 US 🇨🇦 CA	Fits Exc. 115V Auxiliary Power OutletCrew Cab Wheelbase 4 Fitment notes — MOPAR 68339676AE Fits: Exc. 115V Auxiliary Power OutletCrew Cab Wheelbase 46-Speed Manual G56 Transmission or: Exc. 115V Auxiliary Power OutletCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68339679AE	🇺🇸 US 🇨🇦 CA	Fits 115V Auxiliary Power OutletOverhead Ambient Surround Lighting or Heated Second Row Seats Fitment notes — MOPAR 68339679AE Fits: 115V Auxiliary Power OutletOverhead Ambient Surround Lighting or Heated Second Row SeatsCrew Cab Wheelbase 46-Speed Manual G56 Transmission or: 115V Auxiliary Power OutletOverhead Ambient Surround Lighting or Heated Second Row SeatsCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission	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.

Camshaft Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WALKER PRODUCTS Fits: 6.4L V8	2701145	🇺🇸 US 🇨🇦 CA		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.

Crankshaft Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WALKER PRODUCTS Fits: 6.4L V8	2701145	🇺🇸 US 🇨🇦 CA		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.

Cylinder Deactivation Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2442	🇺🇸 US 🇨🇦 CA	with Only Connector	View on Amazon

This table covers the harness connectors at the Cylinder Deactivation 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.

Door Lock Actuator Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2894	🇺🇸 US 🇨🇦 CA	Front and Rear Door	View on Amazon

This table covers the harness connectors at the Door Lock Actuator. 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.

Door Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68263808AC	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68263808AC Rear Door Wiring Fits: Power Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryLeft Rear DoorCrew Cab Wheelbase 4or Power Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryLeft Rear DoorCrew Cab197.4" Wheelbas or: Power Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryLeft Rear DoorCrew Cab Crew Cab197.4" Wheelbas or: Power Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryLeft Rear DoorCrew Cab Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68263810AC	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68263810AC Rear Door Wiring Fits: Power Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryRight Rear DoorCrew Cab Wheelbase 4or Power Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryRight Rear DoorCrew Cab197.4" Wheelbas or: Power Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryRight Rear DoorCrew Cab Crew Cab197.4" Wheelbas or: Power Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryRight Rear DoorCrew Cab Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68365315AB	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365315AB Rear Door Wiring Fits: Power LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryRight Rear DoorCrew Cab Crew Cab197.4" Wheelbas or: Power LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryRight Rear DoorCrew Cab Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68365316AB	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365316AB Rear Door Wiring Fits: Power LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryLeft Rear DoorCrew Cab Crew Cab197.4" Wheelbas or: Power LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryLeft Rear DoorCrew Cab Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68365321AB	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365321AB Rear Door Wiring Fits: Power Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingRight Rear DoorCrew Cab Wheelbase 4or Power Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingRight Rear DoorCrew Cab197.4" Wheelbase	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.

EGR Valve Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2498	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the EGR Valve. 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.

Engine Block Heater Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68230846AA	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine.Engine Block Heater Fitment notes — MOPAR 68230846AA Fits: Heavy Duty HEMI MDS Engine.Engine Block HeaterCrew Cab Wheelbase 4or Heavy Duty HEMI MDS Engine.Engine Block HeaterCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 4	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.

Fog / Driving Lamp Connector

Brand	Part Number	Markets	Notes	Buy
ACDELCO Popular Fits: 6.4L V8	LS254	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS254 Gold with Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8	S524	🇺🇸 US 🇨🇦 CA	Weather Resistant: YES Fitment notes — STANDARD MOTOR PRODUCTS S524 Weather Resistant: YES without Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
WELLS Popular Fits: 6.4L V8	6S1046	🇺🇸 US 🇨🇦 CA		View on Amazon
ACDELCO Fits: 6.4L V8	LS255	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS255 Gold without Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
MOPAR Fits: 6.4L V8	68046303AC	🇺🇸 US 🇨🇦 CA	Jumper Wiring Fitment notes — MOPAR 68046303AC Jumper Wiring Fits: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	68262823AA	🇺🇸 US 🇨🇦 CA	Jumper Wiring Fitment notes — MOPAR 68262823AA Jumper Wiring Fits: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP3960	🇺🇸 US 🇨🇦 CA	Handy PackBlack Fitment notes — STANDARD MOTOR PRODUCTS HP3960 Handy PackBlack with Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP3970	🇺🇸 US 🇨🇦 CA	Handypack Fitment notes — STANDARD MOTOR PRODUCTS HP3970 Handypack without Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S523	🇺🇸 US 🇨🇦 CA	Black Fitment notes — STANDARD MOTOR PRODUCTS S523 Black with Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
WALKER PRODUCTS Fits: 6.4L V8	2701125	🇺🇸 US 🇨🇦 CA	without Projector HeadlightsBlack and Blue Fitment notes — WALKER PRODUCTS 2701125 without Projector HeadlightsBlack and Blue2 Terminal Female	View on Amazon
WALKER PRODUCTS Fits: 6.4L V8	2701121	🇺🇸 US 🇨🇦 CA	Terminal Gender: Male Fitment notes — WALKER PRODUCTS 2701121 Terminal Gender: Male with Projector HeadlightsBlack and Blue2 Terminal Female	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.

Fuel Injector Connector

Brand	Part Number	Markets	Notes	Buy
GB REMANUFACTURING Fits: 6.4L V8	5191	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: 6.4L V8	1P2047	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 20.22 In	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.

Fuel Sending Unit Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1410	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalWiring Harness Length (mm): 508	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.

Headlamp Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
DORMAN Popular Fits: 6.4L V8	926384	🇺🇸 US 🇨🇦 CA		View on Amazon
SKP Popular Fits: 6.4L V8	SK926384	🇺🇸 US 🇨🇦 CA		View on Amazon
MOPAR Fits: 6.4L V8	52112266AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps Fitment notes — MOPAR 52112266AB Fits: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112266AC	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps Fitment notes — MOPAR 52112266AC Fits: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112267AC	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog Lamps Fitment notes — MOPAR 52112267AC Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112268AC	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System Fitment notes — MOPAR 52112268AC Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112270AC	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog Lamps Fitment notes — MOPAR 52112270AC Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 4	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.

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.

Ignition Coil Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2087	🇺🇸 US 🇨🇦 CA	Gauge: 16-14 GA	View on Amazon
UNITED MOTOR PRODUCTS Fits: 6.4L V8	CON60	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: 6.4L V8	1P1801	🇺🇸 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.

Ignition Starter Switch Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2402	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Ignition Starter 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.

Instrument Panel Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68338829AE	🇺🇸 US 🇨🇦 CA	Fits 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" Touchscreen Display or Radio/Driver Seat/Mirror Memory or Ambulance Prep Group Fitment notes — MOPAR 68338829AE Fits: 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" Touchscreen Display or Radio/Driver Seat/Mirror Memory or Ambulance Prep GroupCrew Cab Wheelbase 4or 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" Touchscreen Display or Radio/Driver Seat/Mirror Memory or Ambulance Prep GroupCrew Cab Crew Cab197.4" Wheelbas or: 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" Touchscreen Display or Radio/Driver Seat/Mirror Memory or Ambulance Prep GroupRegular Cab Chassis Wheelbase 1or 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" Touchscreen Display or Radio/Driver Seat/Mirror Memory or Ambulance Prep GroupRegular Cab Chassis Wheelbase 2or 2 Speakers or 6 Speakers, Rear View Auto Dim Mirror with Display, Upfitter Electronic Module (VSIM)Exc. 8.4" T	View on Amazon

This table covers the harness connectors at the Instrument Panel. 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.

Knock / Detonation Sensor Connector

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 6.4L V8	PT2164	🇺🇸 US 🇨🇦 CA	Gold	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP3860	🇺🇸 US 🇨🇦 CA	HandypackTerminal Type: Blade Fitment notes — STANDARD MOTOR PRODUCTS HP3860 HandypackTerminal Type: BladeBlack	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S697	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S697 Connector Shape: RectangleHarness Lengthinches: 8.5Number of Splice Connectors Included: 0Terminal Type: BladeWiring Harness Length (mm): 215.9Black	View on Amazon
WALKER PRODUCTS Fits: 6.4L V8	2701034	🇺🇸 US 🇨🇦 CA		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.

Mass Air Flow (MAF) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S949	🇺🇸 US 🇨🇦 CA	rectangularwith 4 Female Terminals	View on Amazon

This table covers the harness connectors at the Mass Air Flow (MAF) 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.

Oil Pressure Sender / Switch Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2937	🇺🇸 US 🇨🇦 CA	Color Code Gray and Bluewith 3 Female Terminals	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.

Parking / Turn Signal Lamp Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2983	🇺🇸 US 🇨🇦 CA	Black Fitment notes — STANDARD MOTOR PRODUCTS S2983 Black Front	View on Amazon

This table covers the harness connectors at the Parking / Turn Signal 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.

Parking Aid Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1497	🇺🇸 US 🇨🇦 CA	Front And Rear	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.

Radiator Fan Motor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S3023	🇺🇸 US 🇨🇦 CA	Connector Shape: Square	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.

Radio Connector

Brand	Part Number	Markets	Notes	Buy
METRA Fits: 6.4L V8	716523	🇺🇸 US 🇨🇦 CA	OEM Radio HarnessFor OEM Radio Fitment notes — METRA 716523 OEM Radio HarnessFor OEM Radio TradesmanPlugs Into OEM Radio52-Pin OE HarnessFully Terminated	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.

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.

Steering Wheel Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68163712AB	🇺🇸 US 🇨🇦 CA	Fits 4-Spoke Steering Wheel, Speed Control, Vehicle Information CenterExcept Steering Wheel Mounted Audio Controls or Integrated Voice Command with Bluetooth Fitment notes — MOPAR 68163712AB Fits: 4-Spoke Steering Wheel, Speed Control, Vehicle Information CenterExcept Steering Wheel Mounted Audio Controls or Integrated Voice Command with BluetoothRegular Cab Chassis Wheelbase 4or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsCrew Cab Wheelbase 4or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsCrew Cab197.4" Wheelbas or: 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsRegular Cab Chassis Wheelbase 1or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsRegular Cab Chassis Wheelbase 2or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Com	View on Amazon
MOPAR Fits: 6.4L V8	68163716AC	🇺🇸 US 🇨🇦 CA	Fits Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie Badge Fitment notes — MOPAR 68163716AC Fits: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab197.4" Wheelbas or: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeRegular Cab Chassis Wheelbase 1or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeRegular Cab Chassis Wheelbase 2or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Cente	View on Amazon
MOPAR Fits: 6.4L V8	68163713AC	🇺🇸 US 🇨🇦 CA	Fits Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering Wheel Fitment notes — MOPAR 68163713AC Fits: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelCrew Cab197.4" Wheelbas or: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelRegular Cab Chassis Wheelbase 1or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelRegular Cab Chassis Wheelbase 2or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with Bluetooth	View on Amazon

This table covers the harness connectors at the Steering Wheel. 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.

Steering Wheel Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2468	🇺🇸 US 🇨🇦 CA	Angle Sensor	View on Amazon

This table covers the harness connectors at the Steering Wheel 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.

Tailgate Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68323666AA	🇺🇸 US 🇨🇦 CA	Tailgate WiringCamera Fitment notes — MOPAR 68323666AA Tailgate WiringCamera Fits: Parkview Rear Back-Up CameraCrew Cab Wheelbase 4or Parkview Rear Back-up CameraCrew Cab197.4" Wheelbas or: Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 1or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 2or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 3or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 4	View on Amazon

This table covers the wiring-harness connectors at the Tailgate. 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.

Temperature Sender / Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WELLS Fits: 6.4L V8	1P2227	🇺🇸 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.

Throttle Control Actuator Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2409	🇺🇸 US 🇨🇦 CA	Gender: MaleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S2409 Gender: MaleHarness Lengthinches: 12.5	View on Amazon

This table covers the harness connectors at the Throttle Control Actuator. 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.

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 Fitment notes — CURT 57101 7-Way Round RV To 4-Way Flat Adapter Tradesmanwith Back Up AlarmGM/Ford Plugwith Factory Tow Package	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.

Trailer Brake Switch Connector

Brand	Part Number	Markets	Notes	Buy
CURT Fits: 6.4L V8	51457	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51457 Brake Control Adapter Harness Tradesmanwith Quick PlugWill Not Work with OEM Itbc	View on Amazon
CURT Fits: 6.4L V8	51458	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51458 Brake Control Adapter Harness Tradesmanwith Quick PlugWill Not Work with OEM Itbc	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.

Trailer Connector

Brand	Part Number	Markets	Notes	Buy
CURT Popular Fits: 6.4L V8	55415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM Socket Fitment notes — CURT 55415 Replacement 7-Way RV Blade OEM Socket Tradesmanwith Factory Tow Package	View on Amazon
CURT Popular Fits: 6.4L V8	56229	🇺🇸 US 🇨🇦 CA	7-Way USCAR Electrical ConnectorLength: 24 in. Fitment notes — CURT 56229 7-Way USCAR Electrical ConnectorLength: 24 in.Bonded Wire Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: 6.4L V8	56415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM SocketTwist-In Fitment notes — CURT 56415 Replacement 7-Way RV Blade OEM SocketTwist-In Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: 6.4L V8	55515	🇺🇸 US 🇨🇦 CA	Custom Wiring ConnectorOE 4-Way Flat Fitment notes — CURT 55515 Custom Wiring ConnectorOE 4-Way FlatPlugs Into USCAR TradesmanReplacement2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: 6.4L V8	56515	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector5-Way Flat Fitment notes — CURT 56515 Custom Wiring Connector5-Way Flat Tradesman2-Wire Systemwith Factory Tow PackageConnects Behind Center of Rear Bumper	View on Amazon
CURT Fits: 6.4L V8	55774	🇺🇸 US 🇨🇦 CA	OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way Fitment notes — CURT 55774 OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: 6.4L V8	57015	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket Fitment notes — CURT 57015 OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket Tradesman	View on Amazon
CURT Fits: 6.4L V8	55384	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector4-Way Flat Fitment notes — CURT 55384 Custom Wiring Connector4-Way FlatRetains Use of 7 Way Round Connector Tradesman2-Wire Systemwith Factory Tow PackageConnects Behind Center of Rear Bumper	View on Amazon
CURT Fits: 6.4L V8	57020	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged Fitment notes — CURT 57020 OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged TradesmanFactory TowPlugs Into USCAR	View on Amazon
CURT Fits: 6.4L V8	56584	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness5-Way Flat Fitment notes — CURT 56584 Custom Wiring Harness5-Way FlatRetains Use Of 7-Way OEM Tradesman2-Wire Systemwith Factory Tow PackageConnects Behind Center of Rear Bumper	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.

Transmission-Automatic Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: 6.4L V8	68224246AA	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EnginePower Take Off Prep - Left Side Fitment notes — MOPAR 68224246AA Fits: Heavy Duty HEMI MDS EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineExc. Power Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EnginePower Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineExcept Power Take Off Preparation - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineExcept Power Take Off Preparation - Left SideRegula	View on Amazon
MOPAR Fits: 6.4L V8	68338868AE	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator Fitment notes — MOPAR 68338868AE Fits: Heavy Duty HEMI MDS Engine180 Amp AlternatorCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68338869AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68338869AD Fits: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Manual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68338870AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68338870AD Fits: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68338871AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine220 Amp Alternator Fitment notes — MOPAR 68338871AD Fits: Heavy Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68338872AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 Amps Fitment notes — MOPAR 68338872AD Fits: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	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.

USB / AUX Port Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68322813AD	🇺🇸 US 🇨🇦 CA	Hub Media CenterHDMI USB & AUX Fitment notes — MOPAR 68322813AD Hub Media CenterHDMI USB & AUX Fits: Full Length Upgraded Floor Console, Media Hub (USB, AUX)Exc. Single Disc Remote CD Player or Heated Second Row SeatsCrew Cab Wheelbase 4or Full Length Upgraded Floor Console, Media Hub (USB, AUX)Exc. Single Disc Remote CD Player or Heated Second Row SeatsCrew Cab197.4" Wheelbas or: Full Length Upgraded Floor Console, Media Hub (USB, AUX), Single Disc Remote CD PlayerRegular Cab Chassis Wheelbase 1or Full Length Upgraded Floor Console, Media Hub (USB, AUX), Single Disc Remote CD PlayerRegular Cab Chassis Wheelbase 2or Full Length Upgraded Floor Console, Media Hub (USB, AUX), Single Disc Remote CD PlayerRegular Cab Chassis Wheelbase 3or Full Length Upgraded Floor Console, Media Hub (USB, AUX), Single Disc Remote CD PlayerRegular Cab Chassis Wheelbase 4or Full Length Upgraded Floor Console, Media Hub (USB, AUX), Single Disc Remote CD PlayerExc. Heated Second Row SeatsCrew Cab Wheelbase 4or Full Length Upgraded Floor Console, Med	View on Amazon

This table covers the harness connectors at the USB / AUX Port. 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.

Vapor Canister Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade Main Unit	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade Main Unit	View on Amazon

This table covers the harness connectors at the Vapor Canister. 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.

Vapor Canister Purge Valve / Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon

This table covers the harness connectors at the Vapor Canister Purge Valve / 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.

Vapor Leak Detection Pump Connector

Brand	Part Number	Markets	Notes	Buy
ROSTRA Fits: 6.4L V8	610161	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
WELLS Fits: 6.4L V8	1P1626	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 17.75 In	View on Amazon

This table covers the harness connectors at the Vapor Leak Detection 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.

Variable Valve Timing (VVT) Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S3082	🇺🇸 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.

Washer Fluid Level Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S3082	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Washer Fluid Level 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.

Washer Pump Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2279	🇺🇸 US 🇨🇦 CA		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.

Buying Electrical Connector Parts for a 2018 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: Fog / Driving Lamp Connector and Trailer Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2018 Ram 4500?

Our catalog currently lists 114 electrical connector parts for the 2018 Ram 4500 across 48 subcategories and 15 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 2018 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 2018 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 2018 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 2018 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 2018 Ram 4500

Belt Drive Body & Lamp Assembly Brake & Wheel Hub Cooling System Drivetrain Electrical Electrical Bulb & Socket Electrical Switch & Relay Engine Exhaust & Emission Fuel & Air Heat & Air Conditioning Ignition Interior Steering Suspension Automatic Transmission Wheel Wiper & Washer

Electrical Connector Parts for Other Ram 4500 Years

2026 Ram 4500 2025 Ram 4500 2024 Ram 4500 2023 Ram 4500 2022 Ram 4500 2021 Ram 4500 2020 Ram 4500 2019 Ram 4500 2017 Ram 4500 2016 Ram 4500 2015 Ram 4500 2014 Ram 4500

Switch vehicle or jump to a subcategory

Make Year Model Engine Part category 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.

Published by AutoFactsDB from manufacturer application data. How fitment is matched Report a fitment error