29 Electrical switch & relay parts are listed for the 2026 Ram 2500, in 11 part types, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
The switch and relay system on the 2026 Ram 2500 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Instrument Cluster Switch (6 parts), Power Window Switch (5 parts) and 4WD Switch (4 parts). The other 8 part types cover the remaining 14 parts.
The 2026 Ram 2500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. 27 parts fit every engine; the other 2 are engine-specific. Each part shows which engine(s) it fits.
3 brands supply electrical switch & relay parts for the 2026 Ram 2500, led by MOPAR (27 parts), FACET (1 part) and WELLS (1 part).
Each part number listed for the 2026 Ram 2500 opens a page with every vehicle that part fits.
4WD Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68601071AE | 🇺🇸 US 🇨🇦 CA | Fits Elec LTD Slip Diff Rear Axle with Lock, Hill Descent ControlExc. TRU-LOK Front & Rear Axles | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68601072AE | 🇺🇸 US 🇨🇦 CA | Fits TRU-LOK Front & Rear Axles, Hill Descent Control, Front Disconnecting Stabilizer BarExc. Elec LTD Slip Diff Rear Axle with Lock | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68601073AE | 🇺🇸 US 🇨🇦 CA | Fits Hill Descent ControlExc. TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68601074AE | 🇺🇸 US 🇨🇦 CA | Fits Exc. Hill Descent ControlCrew Cab Wheelbase 2or Exc. Hill Descent Control | 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.
MOPAR supplies the 4 4WD Switch parts for the 2026 Ram 2500. All of them fit every engine offered in the 2026 2500.
Part numbers include MOPAR 68601071AE, MOPAR 68601072AE and MOPAR 68601073AE, among others listed above.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Fits: all 2026 2500 engines | 250074 | 🇺🇸 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.
One part is listed for the 2026 Ram 2500 — FACET 250074.
Glove Box Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68312671AB | 🇺🇸 US 🇨🇦 CA | Fits Dual Glove Boxes or Glove Box LampCrew Cab Wheelbase 2or Dual Glove Boxes or Glove Box Lamp | 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.
This group shows a single part: MOPAR 68312671AB.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68156064AC | 🇺🇸 US 🇨🇦 CA | Fits Cargo Lamp or Center High Mount Stop Lamp with Camera, Front LED Fog Lamps, Rear Fog Lamps, Premium Overhead Console | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68156061AD | 🇺🇸 US 🇨🇦 CA | Fits Cargo Lamp or Center High Mount Stop Lamp with Camera, Front LED Fog Lamps, Premium Overhead Console | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68156065AC | 🇺🇸 US 🇨🇦 CA | Fits Front LED Fog LampsCargo Lamp or Center High Mount Stop Lamp with Camera | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68575999AA | 🇺🇸 US 🇨🇦 CA | Fits Front LED Fog Lamps, Rear Fog LampsCargo Lamp or Center High Mount Stop Lamp with Camera | 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.
4 Headlamp Switch parts for the 2026 Ram 2500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: MOPAR 68156064AC, MOPAR 68156061AD and MOPAR 68156065AC, plus the other parts above.
Hood Ajar Indicator Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 4707875AB | 🇺🇸 US 🇨🇦 CA | Fits Rambox Cargo Management System, Remote Keyless EntryExcept On-Board Power System - Low Power | View on Amazon |
This table covers the Hood Ajar Indicator 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.
One part is listed for the 2026 Ram 2500 — MOPAR 4707875AB.
Instrument Cluster Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68618899AA | 🇺🇸 US 🇨🇦 CA | Fits Trailer Brake ControlExc. 14.4" Touchscreen Display | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68309258AB | 🇺🇸 US 🇨🇦 CA | Fits Exc. Trailer Brake ControlMega Cabor Exc. Trailer Brake Control | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68529675AB | 🇺🇸 US 🇨🇦 CA | Fits DIESEL Exhaust Brake, Trailer Reverse Steering ControlExcept Black Switches or Parksense Front/Rear Park Assist System or Parksense Rear Park Assist System | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68549224AB | 🇺🇸 US 🇨🇦 CA | Fits Trailer Brake Control, 14.4" Touchscreen DisplayCrew Cab Wheelbase 2or Trailer Brake Control, 14.4" Touchscreen Display | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68549225AD | 🇺🇸 US 🇨🇦 CA | Fits Black Switches, 14.4" Touchscreen Display, Trailer Reverse Steering ControlCrew Cab Wheelbase 2or Black Switches, 14.4" Touchscreen Display, Trailer Reverse Steering Control | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68578987AB | 🇺🇸 US 🇨🇦 CA | Fits Black SwitchesExc. Auto Level Rear Air Suspension or DIESEL Exhaust Brake or Parksense Rear Park Assist System or Parksense FR/RR Park Assist System | 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.
MOPAR supplies the 6 Instrument Cluster Switch parts for the 2026 Ram 2500. All of them fit every engine offered in the 2026 2500.
This group includes MOPAR 68618899AA, MOPAR 68309258AB and MOPAR 68529675AB and the remaining parts above.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68334877AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI HD EngineCrew Cab Crew Cab | View on Amazon |
| WELLS Fits: 6.4L V8 | 1S16094 | 🇺🇸 US 🇨🇦 CA | 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.
2 Oil Pressure Sender / Switch parts are listed for the 2026 Ram 2500, from MOPAR and WELLS.
Listed part numbers: MOPAR 68334877AA and WELLS 1S16094.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 56049433AG | 🇺🇸 US 🇨🇦 CA | Fits Driver Seat - Power Adjust 8-WayExcept Radio / Driver Seat / Mirrors / Pedals Memory | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 56049431AG | 🇺🇸 US 🇨🇦 CA | Fits Driver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Wheelbase 2or Driver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals Memory | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 56049432AG | 🇺🇸 US 🇨🇦 CA | Fits Front Passenger Seat - Power Adjust 8-WayMega Cab | 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.
3 Power Seat Switch parts for the 2026 Ram 2500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: MOPAR 56049433AG, MOPAR 56049431AG and MOPAR 56049432AG.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68574287AB | 🇺🇸 US 🇨🇦 CA | Fits Power Front Windows, 1-Touch, Up & Down, Mirror Power Heat Fold Telescope BlackDriver Side | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68574287AC | 🇺🇸 US 🇨🇦 CA | Fits Power Front Windows, 1-Touch, Up & Down, Mirror Power Heat Fold Telescope BlackDriver Side | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68574290AC | 🇺🇸 US 🇨🇦 CA | Fits Power Front Windows, 1-Touch,up & DownMirror Power Heat Fold Telescopic Chrome or Mirror Power Heat Fold Telescopic Memory Chrome | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68605846AA | 🇺🇸 US 🇨🇦 CA | Power Windows, Front 1-Touch Down, Mirror Power Heat Fold Telescope BlackDriver Side | View on Amazon |
| MOPAR Fits: all 2026 2500 engines | 68605847AA | 🇺🇸 US 🇨🇦 CA | Power Windows, Front 1-Touch Down, Mirror Power Heat Fold Telescop ChromeDriver Side | 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.
MOPAR supplies the 5 Power Window Switch parts for the 2026 Ram 2500. All of them fit every engine offered in the 2026 2500.
Listed part numbers: MOPAR 68574287AB, MOPAR 68574287AC and MOPAR 68574290AC, plus the other parts above.
Seat Lumbar Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 68269185AA | 🇺🇸 US 🇨🇦 CA | Fits Driver Seat - Power Adjust 8-Way, Front Passenger Seat - Power Adjust 8-WayLeather Seats | View on Amazon |
This table covers the Seat Lumbar 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.
This group shows a single part: MOPAR 68269185AA.
Sunroof / Sunshade Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2026 2500 engines | 6EM27TX7AC | 🇺🇸 US 🇨🇦 CA | Fits Black, OVERHEAD CONSOLE, MAP/COURTESY LAMP, OVERHEAD ASH TRAY/CUPHOLDER LAMP, REAR POWER SLIDING WINDOW, Connectivity - US/Canada, POWER SUNROOFCrew Cab | View on Amazon |
This table covers the Sunroof / Sunshade 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.
This group shows a single part: MOPAR 6EM27TX7AC.
Buying Electrical Switch & Relay Parts for a 2026 Ram 2500
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: Instrument Cluster Switch and Power Window Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2026 Ram 2500?
Our catalog currently lists 29 electrical switch & relay parts for the 2026 Ram 2500 across 11 subcategories and 3 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 2026 Ram 2500 engines?
Some do. 27 parts fit every engine; the other 2 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 2026 Ram 2500?
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 2026 Ram 2500 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 2026 Ram 2500?
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 2026 Ram 2500
Electrical Switch & Relay Parts for Other Ram 2500 Years
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