2021 Ram 5500 Electrical Switch & Relay Parts: OEM & Replacement (56 Parts)

This page lists 56 electrical switch & relay parts for the 2021 Ram 5500, across 18 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 2021 Ram 5500, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 23 parts of the 56 listed are Power Window Switch (10 parts), Instrument Cluster Switch (7 parts) and Headlamp Switch (6 parts). The other 15 part types cover the remaining 33 parts.

4WD Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	68368381AF	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisElectric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68368381AF Fits: Cab ChassisElectric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisElectric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisElectric Shift-On-The-	View on Amazon

This table covers the 4WD switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Pressure Safety Switch

Brand	Part Number	Markets	Notes	Buy
VEMO Fits: all 2021 5500 engines	V33730052	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Refrigerant Pressure Switch

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: all 2021 5500 engines	904620	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Adjustable Pedal Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	56046113AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable Pedals Fitment notes — MOPAR 56046113AA Fits: Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable PedalsExc. Heated Steering WheelRegular Cab Chassis Wheelbase 1or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable PedalsExc. Heated Steering WheelRegular Cab Chassis Wheelbase 2or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable PedalsExc. Heated Steering WheelRegular Cab Chassis Wheelbase 3or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable PedalsExc. Heated Steering WheelRegular Cab Chassis Wheelbase 4or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable Pedals, Heated Steering WheelRegular Cab Chassis Wheelbase 1or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable Pedals, Heated Steering WheelRegular Cab Chassis Wheelbase 3or Cab ChassisPower Adjustable Pedals with Memory or Power Adjustable Pedals, Heated Steering WheelRegular Cab Chassis Wheelbase 4or Cab ChassisPower Adjustable Pedals with Memory or P	View on Amazon

This table covers the Adjustable Pedal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Brake Light Switch

Brand	Part Number	Markets	Notes	Buy
VEMO Fits: all 2021 5500 engines	V33730040	🇺🇸 US 🇨🇦 CA	Electric7 8700AE	View on Amazon

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Dimmer Switch

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	CBS1925	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Door Lock Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: all 2021 5500 engines	68262253AC	🇺🇸 US 🇨🇦 CA	Fits FrontCab Chassis Fitment notes — MOPAR 68262253AC Fits: FrontCab ChassisSpeed Sensitive Power Locks, Power Front Windows, 1-Touch,up & DownCrew Cab Wheelbase 4 or: FrontCab ChassisSpeed Sensitive Power Locks, Power Front Windows, 1-Touch,up & DownCrew Cab197.4" Wheelbase	View on Amazon
MOPAR Fits: all 2021 5500 engines	68268251AC	🇺🇸 US 🇨🇦 CA	Fits FrontCab Chassis Fitment notes — MOPAR 68268251AC Fits: FrontCab ChassisSpeed Sensitive Power Locks, Power Front Windows, 1-Touch,up & DownCrew Cab Wheelbase 4 or: FrontCab ChassisSpeed Sensitive Power Locks, Power Front Windows, 1-Touch,up & DownCrew Cab197.4" Wheelbase	View on Amazon
MOPAR Fits: all 2021 5500 engines	68382476AB	🇺🇸 US 🇨🇦 CA	Fits FrontCab Chassis Fitment notes — MOPAR 68382476AB Fits: FrontCab ChassisSpeed Sensitive Power Locks, Power Windows, Front 1-Touch DownRegular Cab Chassis Wheelbase 2 or: FrontCab ChassisSpeed Sensitive Power Locks, Power Windows, Front 1-Touch DownRegular Cab Chassis Wheelbase 1 or: FrontCab ChassisSpeed Sensitive Power Locks, Power Windows, Front 1-Touch DownRegular Cab Chassis Wheelbase 3 or: FrontCab ChassisSpeed Sensitive Power Locks, Power Windows, Front 1-Touch DownRegular Cab Chassis Wheelbase 4	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	DWS1994	🇺🇸 US 🇨🇦 CA	Right	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	DWS1899	🇺🇸 US 🇨🇦 CA	Front Leftwithout Power Folding Mirrors Fitment notes — STANDARD MOTOR PRODUCTS DWS1899 Front Leftwithout Power Folding Mirrorswith Auto Down	View on Amazon

This table covers the Door Lock switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Glove Box Lamp Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	4565022	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisGlove Box Lamp Fitment notes — MOPAR 4565022 Fits: Cab ChassisGlove Box LampRegular Cab Chassis Wheelbase 1or Cab ChassisGlove Box LampRegular Cab Chassis Wheelbase 2or Cab ChassisGlove Box LampCrew Cab Wheelbase 4or Cab ChassisGlove Box LampCrew Cab197.4" Wheelbas or: Cab ChassisGlove Box LampRegular Cab Chassis Wheelbase 3or Cab ChassisGlove Box LampRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: all 2021 5500 engines	68312671AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisDual Glove Boxes or Glove Box Lamp Fitment notes — MOPAR 68312671AB Fits: Cab ChassisDual Glove Boxes or Glove Box LampRegular Cab Chassis Wheelbase 2or Cab ChassisDual Glove Boxes or Glove Box LampCrew Cab Wheelbase 4or Cab ChassisDual Glove Boxes or Glove Box LampRegular Cab Chassis Wheelbase 1or Cab ChassisDual Glove Boxes or Glove Box LampCrew Cab197.4" Wheelbas or: Cab ChassisDual Glove Boxes or Glove Box LampRegular Cab Chassis Wheelbase 3or Cab ChassisDual Glove Boxes or Glove Box LampRegular Cab Chassis Wheelbase 4	View on Amazon
ROSTRA Fits: all 2021 5500 engines	651381	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: all 2021 5500 engines	1S2892	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the Glove Box Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Headlamp Switch

Economy

Brand	Part Number	Markets	Notes	Buy
AUTOTECNICA Fits: all 2021 5500 engines	RM1320829	🇺🇸 US 🇨🇦 CA	Fog Lamps	View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: all 2021 5500 engines	68156061AD	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisFront Fog Lamps Fitment notes — MOPAR 68156061AD Fits: Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Door Accent Lighting or: Rear Door Accent Lighting or Overhead ConsoleCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Door Accent Lighting or: Rear Door Accent Lighting or Overhead ConsoleCrew Cab Wheelbase 4or Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Camera or AUX	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2021 5500 engines	HLS1772	🇺🇸 US 🇨🇦 CA	Except Rear Fog Lightswith Fog Lights Fitment notes — STANDARD MOTOR PRODUCTS HLS1772 Except Rear Fog Lightswith Fog Lightswith Automatic HeadlightsDash Mounted	View on Amazon
MOPAR Fits: all 2021 5500 engines	68373900AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-Mounted Fitment notes — MOPAR 68373900AB Fits: Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Fog Lamps or: Front LED Fog Lamps or Overhead Ash Tray/Cupholder LampRegular Cab Chassis Wheelbase 2or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Fog Lamps or: Front LED Fog Lamps or Overhead Ash Tray/Cupholder LampCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Fog Lamps or: Front LED Fog Lamps or Overhead Ash Tray/Cupholder LampCrew Cab Wheelbase 4or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Fog Lamps or: Front LED Fog Lamps or Overhead Ash Tray/Cupholder LampRegular Cab Chassis Wheelbase 1or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Fog Lamps or Fro	View on Amazon
MOPAR Fits: all 2021 5500 engines	68373903AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCargo Lamp or Center High Mount Stop Lamp with Camera Fitment notes — MOPAR 68373903AB Fits: Cab ChassisCargo Lamp or Center High Mount Stop Lamp with CameraFront Fog Lamps or: Front LED Fog LampsExc. Overhead Ash Tray/Cupholder Lamp or AUX Reverse Lamps, Mirror-MountedRegular Cab Chassis Wheelbase 2or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with CameraFront Fog Lamps or: Front LED Fog LampsExc. Overhead Ash Tray/Cupholder Lamp or AUX Reverse Lamps, Mirror-MountedCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisCargo Lamp or Center High Mount Stop Lamp with CameraFront Fog Lamps or: Front LED Fog LampsExc. Overhead Ash Tray/Cupholder Lamp or AUX Reverse Lamps, Mirror-MountedCrew Cab Wheelbase 4or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with CameraFront Fog Lamps or: Front LED Fog LampsExc. Overhead Ash Tray/Cupholder Lamp or AUX Reverse Lamps, Mirror-MountedRegular Cab Chassis Wheelbase 1or Cab ChassisCargo Lamp or Center High Mount Stop Lamp with CameraFront Fog Lamps or: Front LED Fog LampsExc. Overhead Ash Tray/Cupholder	View on Amazon
MOPAR Fits: all 2021 5500 engines	68156065AC	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisFront Fog Lamps Fitment notes — MOPAR 68156065AC Fits: Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Overhead Console, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Door Accent Lighting or: Rear Door Accent LightingCrew Cab Wheelbase 4or Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Overhead Console, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedExc. Front Door Accent Lighting or: Rear Door Accent LightingRegular Cab Chassis Wheelbase 1or Cab ChassisFront Fog Lamps or: Front LED Fog Lamps, Overhead Ash Tray/Cupholder Lamp, Overhead Console, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-MountedCargo Lamp or Center High Mount Stop Lamp with Came	View on Amazon

This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

HVAC Control Switch / Panel

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	68340280AD	🇺🇸 US 🇨🇦 CA	Lower Fitment notes — MOPAR 68340280AD Lower Fits: Cab ChassisA/CExc. Diesel Exhaust Brake or Exterior Mirrors with Heating Element or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or: Rear Window DefrosterCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisA/CExc. Diesel Exhaust Brake or Exterior Mirrors with Heating Element or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or: Rear Window DefrosterCrew Cab Wheelbase 4or Cab ChassisA/CExc. Diesel Exhaust Brake or Exterior Mirrors with Heating Element or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or: Rear Window DefrosterRegular Cab Chassis Wheelbase 1or Cab ChassisA/CExc. Diesel Exhaust Brake or Exterior Mirrors with Heating Element or Lane Departure Warning	View on Amazon
MOPAR Fits: all 2021 5500 engines	68340281AD	🇺🇸 US 🇨🇦 CA	Lower Fitment notes — MOPAR 68340281AD Lower Fits: Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element or: Rear Window DefrosterExc. Diesel Exhaust Brake or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or 12.0" TouchsCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element or: Rear Window DefrosterExc. Diesel Exhaust Brake or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or 12.0" TouchsCrew Cab Wheelbase 4or Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element or: Rear Window DefrosterExc. Diesel Exhaust Brake or Lane Departure Warning Plus or Heated Steering Wheel or Ventilated Front Seats or Integrated Center Stack Radio or Disassociated Touchscreen Display or 12.0" TouchsRegular Cab Chassis Wheelbase 1or Cab ChassisAir Conditionin	View on Amazon
MOPAR Fits: all 2021 5500 engines	68340283AD	🇺🇸 US 🇨🇦 CA	Lower Fitment notes — MOPAR 68340283AD Lower Fits: Cab ChassisA/C, Exterior Mirrors with Heating Element, Integrated Center Stack RadioExc. Lane Departure Warning PLUS or Heated Steering Wheel or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisA/C, Exterior Mirrors with Heating Element, Integrated Center Stack RadioExc. Lane Departure Warning PLUS or Heated Steering Wheel or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Wheelbase 4or Cab ChassisA/C, Exterior Mirrors with Heating Element, Integrated Center Stack RadioExc. Lane Departure Warning PLUS or Heated Steering Wheel or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeRegular Cab Chassis Wheelbase 1or Cab ChassisA/C, Exterior Mirrors with Heating Element, Integrated Center Stack RadioExc. Lane Departure Warning PLUS or Heated Steering Wheel or Ventilated Front Seats or Disassociated Touchscre	View on Amazon
MOPAR Fits: all 2021 5500 engines	68340284AD	🇺🇸 US 🇨🇦 CA	Lower Fitment notes — MOPAR 68340284AD Lower Fits: Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Wheelbase 4or Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeRegular Cab Chassis Wheelbase 1or Cab ChassisAir Conditioning, Exterior Mirrors with Heating Element, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Venti	View on Amazon
MOPAR Fits: all 2021 5500 engines	68340286AD	🇺🇸 US 🇨🇦 CA	Lower Fitment notes — MOPAR 68340286AD Lower Fits: Cab ChassisAutomatic Temp Control A/C with Dual Zone Control, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisAutomatic Temp Control A/C with Dual Zone Control, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeCrew Cab Wheelbase 4or Cab ChassisAutomatic Temp Control A/C with Dual Zone Control, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Disassociated Touchscreen Display or DIESEL Exhaust BrakeRegular Cab Chassis Wheelbase 1or Cab ChassisAutomatic Temp Control A/C with Dual Zone Control, Integrated Center Stack Radio, Heated Steering WheelExc. Lane Departure Warning PLUS or Ventilated Front Seats or Dis	View on Amazon

This table covers the HVAC Control Switch panels.

Ignition Starter Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	6QE18TX7AA	🇺🇸 US 🇨🇦 CA	PUSH BUTTON Fitment notes — MOPAR 6QE18TX7AA PUSH BUTTON Fits: Cab ChassisPushbutton StartCrew Cab Wheelbase 4or Cab ChassisPushbutton StartRegular Cab Chassis Wheelbase 2or Cab ChassisPushbutton StartRegular Cab Chassis Wheelbase 1or Cab ChassisPushbutton StartCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisPushbutton StartRegular Cab Chassis Wheelbase 3or Cab ChassisPushbutton StartRegular Cab Chassis Wheelbase 4	View on Amazon

This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Instrument Cluster Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: all 2021 5500 engines	68309259AD	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisTrailer Brake Control Fitment notes — MOPAR 68309259AD Fits: Cab ChassisTrailer Brake ControlCrew Cab Wheelbase 4or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 1or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 2or Cab ChassisTrailer Brake ControlCrew Cab197.4" Wheelbas or: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 3or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: all 2021 5500 engines	68596337AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisParksense Front/Rear Park Assist System, Black Switches Fitment notes — MOPAR 68596337AA Fits: Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Wheelbase 4or Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 1or Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 2or Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 3or Cab ChassisParksense Front/Rear Park Assist System, Bla	View on Amazon
MOPAR Fits: all 2021 5500 engines	68309258AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisInstrument Panel Parts Module Dummy Cover Fitment notes — MOPAR 68309258AB Fits: Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlRegular Cab Chassis Wheelbase 2or Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlCrew Cab Wheelbase 4or Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlCrew Cab197.4" Wheelbas or: Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlRegular Cab Chassis Wheelbase 1or Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlRegular Cab Chassis Wheelbase 3or Cab ChassisInstrument Panel Parts Module Dummy CoverExc. Trailer Brake ControlRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: all 2021 5500 engines	68309259AC	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisTrailer Brake Control Fitment notes — MOPAR 68309259AC Fits: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 2or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 4or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 3or Cab ChassisTrailer Brake ControlCrew Cab Wheelbase 4 Fits: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 2or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 1LT. Duty 4WD or: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 4LT. Duty 4WD or: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 3	View on Amazon
MOPAR Fits: all 2021 5500 engines	68476018AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisBlack Switches Fitment notes — MOPAR 68476018AB Fits: Cab ChassisBlack SwitchesExc. Diesel Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisBlack SwitchesExc. Diesel Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Wheelbase 4or Cab ChassisBlack SwitchesExc. Diesel Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 1or Cab ChassisBlack SwitchesExc. Diesel Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 2or Cab ChassisBlack SwitchesExc. Diesel Exhaust Brake or Parksense Rear Park Assist Syste	View on Amazon
MOPAR Fits: all 2021 5500 engines	68476024AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisParksense Front/Rear Park Assist System, Black Switches Fitment notes — MOPAR 68476024AB Fits: Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 1or Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 2or Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Wheelbase 4 Fits: Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideCrew CabLT. Duty 4WD or: Cab ChassisParksense Front/Rear Park Assist System, Black SwitchesExc. Diesel Exhaust Brake or Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 3	View on Amazon
MOPAR Fits: all 2021 5500 engines	68476036AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black Switches Fitment notes — MOPAR 68476036AB Fits: Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black SwitchesExc. DIESEL Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black SwitchesExc. DIESEL Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black SwitchesExc. DIESEL Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black SwitchesExc. DIESEL Exhaust Brake or Parksense Rear Park Assist System or Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Cab ChassisPower Take Off Prep or Power Take Off Prep - Left Side, Black SwitchesExc. DIESEL Exhau	View on Amazon

This table covers the Instrument Cluster switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Oil Pressure Sender / Switch

Economy

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 6.4L V8	987010	🇺🇸 US 🇨🇦 CA		View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68334877AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisRegular Cab Chassis Wheelbase 1or Cab Chassis Fitment notes — MOPAR 68334877AA Fits: Cab ChassisRegular Cab Chassis Wheelbase 1or Cab ChassisRegular Cab Chassis Wheelbase 2or Cab ChassisRegular Cab Chassis Wheelbase 3or Cab ChassisRegular Cab Chassis Wheelbase 4or Cab ChassisCrew Cab Wheelbase 4or Cab ChassisCrew Cab Crew Cab197.4" Wheelbase	View on Amazon
MOPAR Fits: 6.4L V8	68019700AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisPower Take Off Prep - Left Side Fitment notes — MOPAR 68019700AA Fits: Cab ChassisPower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisExc. Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisPower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisPower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisExc. Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisPower Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisExc. Power Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisBody 94Except Power Take Off Preparation - Left SideCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisPower Take Off Prep - Left SideRegular Ca	View on Amazon

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68019700AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68019700AA Fits: Cab ChassisCummins EngineExc. Power Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EnginePower Take Off Prep - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineExc. Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineExc. Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EnginePower Take Off Prep - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineExc. Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineExc. Power Take Off Prep - Left SideRegula	View on Amazon

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.

Power Seat Switch

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: all 2021 5500 engines	901477	🇺🇸 US 🇨🇦 CA	Front Left8 Way Fitment notes — DORMAN 901477 Front Left8 WayHigh Current	View on Amazon
MOPAR Fits: all 2021 5500 engines	56049431AG	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals Memory Fitment notes — MOPAR 56049431AG Fits: Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Wheelbase 4or Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryRegular Cab Chassis Wheelbase 2or Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryRegular Cab Chassis Wheelbase 1or Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Crew Cab197.4" Wheelbas or: Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryRegular Cab Chassis Wheelbase 3or Cab ChassisDriver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: all 2021 5500 engines	56049432AG	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisFront Passenger Seat - Power Adjust 8-Way Fitment notes — MOPAR 56049432AG Fits: Cab ChassisFront Passenger Seat - Power Adjust 8-WayRegular Cab Chassis Wheelbase 2or Cab ChassisFront Passenger Seat - Power Adjust 8-WayRegular Cab Chassis Wheelbase 1or Cab ChassisFront Passenger Seat - Power Adjust 8-WayRegular Cab Chassis Wheelbase 4or Cab ChassisFront Passenger Seat - Power Adjust 8-WayRegular Cab Chassis Wheelbase 3or Cab ChassisFront Passenger Seat - Power Adjust 8-WayCrew Cab Wheelbase 4or Cab ChassisFront Passenger Seat - Power Adjust 8-WayCrew Cab Crew Cab197.4" Wheelbase	View on Amazon

This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Window Switch

Economy

Brand	Part Number	Markets	Notes	Buy
DORMAN Popular Fits: all 2021 5500 engines	901873	🇺🇸 US 🇨🇦 CA	Front RightCab & Chassis - Crew Cab	View on Amazon
DORMAN Popular Fits: all 2021 5500 engines	901998	🇺🇸 US 🇨🇦 CA	Front LeftCab & Chassis - Crew Cab Fitment notes — DORMAN 901998 Front LeftCab & Chassis - Crew Cabwithout Power Folding Mirrors	View on Amazon
DORMAN Fits: all 2021 5500 engines	920547	🇺🇸 US 🇨🇦 CA	Front RightCab & Chassis - Conventional	View on Amazon
DORMAN Fits: all 2021 5500 engines	920507	🇺🇸 US 🇨🇦 CA	Fits Rear RightCab & Chassis - Crew Cab Fitment notes — DORMAN 920507 Fits: Rear RightCab & Chassis - Crew Cab or: Rear LeftCab & Chassis - Crew Cab	View on Amazon
DORMAN Fits: all 2021 5500 engines	920502	🇺🇸 US 🇨🇦 CA	Front LeftCab & Chassis - Crew Cab Fitment notes — DORMAN 920502 Front LeftCab & Chassis - Crew Cabwith Power Folding Mirrors	View on Amazon
SKP Fits: all 2021 5500 engines	SKDWS1899	🇺🇸 US 🇨🇦 CA	Front Left	View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	DWS1649	🇺🇸 US 🇨🇦 CA	Rearwithout One Touch Window Open/Close	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	DWS1994	🇺🇸 US 🇨🇦 CA	Front Right	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	DWS1899	🇺🇸 US 🇨🇦 CA	Front Leftwithout Power Folding Mirrors Fitment notes — STANDARD MOTOR PRODUCTS DWS1899 Front Leftwithout Power Folding Mirrorswith Auto Down	View on Amazon
WELLS Fits: all 2021 5500 engines	1S14285	🇺🇸 US 🇨🇦 CA	Rear	View on Amazon

This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Trailer Brake Switch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2021 5500 engines	68413389AC	🇺🇸 US 🇨🇦 CA	Trailer Tow Module Fitment notes — MOPAR 68413389AC Trailer Tow Module Fits: Cab ChassisTrailer Brake ControlCrew Cab Wheelbase 4or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 1or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 2or Cab ChassisTrailer Brake ControlCrew Cab197.4" Wheelbas or: Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 3or Cab ChassisTrailer Brake ControlRegular Cab Chassis Wheelbase 4	View on Amazon
SKP Fits: all 2021 5500 engines	SKS390	🇺🇸 US 🇨🇦 CA	Switch Only	View on Amazon

This table covers the Trailer Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Turn Signal Switch

Economy

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: all 2021 5500 engines	901279	🇺🇸 US 🇨🇦 CA		View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	CBS1925	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Wiper / Washer Switch

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2021 5500 engines	CBS1925	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the Wiper / Washer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Buying Electrical Switch & Relay Parts for a 2021 Ram 5500

On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.

Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
Read the notes on each row for position, trim and spec qualifiers before you order.
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Power Window Switch and Instrument Cluster Switch .

Frequently Asked Questions

How many electrical switch & relay parts fit the 2021 Ram 5500?

Our catalog currently lists 56 electrical switch & relay parts for the 2021 Ram 5500 across 18 subcategories and 8 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 switch & relay parts differ between 2021 Ram 5500 engines?

Some do. 52 parts fit every engine; the other 4 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical switch & relay problems on a 2021 Ram 5500?

Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.

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 5500 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 5500?

First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2021 Ram 5500

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

Electrical Switch & Relay Parts for Other Ram 5500 Years

2026 Ram 5500 2025 Ram 5500 2024 Ram 5500 2023 Ram 5500 2022 Ram 5500 2020 Ram 5500 2019 Ram 5500 2018 Ram 5500 2017 Ram 5500 2016 Ram 5500 2015 Ram 5500 2014 Ram 5500

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