The 2025 Ram 3500 has 33 electrical switch & relay parts with verified fitment on this page — 12 part types and 5 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2025 Ram 3500 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Headlamp Switch (7 parts), Instrument Cluster Switch (6 parts) and Power Window Switch (5 parts). The other 9 part types cover the remaining 15 parts.
The 2025 Ram 3500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. 30 parts fit every engine; the other 3 are engine-specific. Each part shows which engine(s) it fits.
5 brands supply electrical switch & relay parts for the 2025 Ram 3500, led by MOPAR (25 parts), WELLS (5 parts) and FACET (1 part), plus 2 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 Ram 3500. 2 parts have it, including MOPAR 68156061AD (Headlamp Switch) and MOPAR 68156065AC (Headlamp Switch). Each part number opens a page with every vehicle that part fits.
4WD Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68601074AB | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisElectric Shift-On-The-Fly Transfer Case | 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.
One part is listed for the 2025 Ram 3500 — MOPAR 68601074AB.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Fits: all 2025 3500 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 2025 Ram 3500 — FACET 250074.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2025 3500 engines | 1R2491 | 🇺🇸 US 🇨🇦 CA | with Stamping # 4671886AA | View on Amazon |
This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: WELLS 1R2491.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2025 3500 engines | 1S17828 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | 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.
One part is listed for the 2025 Ram 3500 — WELLS 1S17828.
Glove Box Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68312671AB | 🇺🇸 US 🇨🇦 CA | Fits Dual Glove Boxes or Glove Box LampCrew Cab Wheelbase 2 | 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 Popular Fits: all 2025 3500 engines | 68156061AD | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisFront LED Fog Lamps, Premium Overhead Console, Front Door Accent Lighting, Cargo Lamp or Center High Mount Stop Lamp with Camera or AUX Reverse Lamps, Mirror-Mounted | View on Amazon |
| MOPAR Popular Fits: all 2025 3500 engines | 68156065AC | 🇺🇸 US 🇨🇦 CA | Fits Front LED Fog LampsCargo Lamp or Center High Mount Stop Lamp with Camera | View on Amazon |
| MOPAR Fits: all 2025 3500 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 2025 3500 engines | 68365255AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisFront LED Fog Lamps | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68365256AB | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisFront LED Fog Lamps, Premium Overhead Console | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68575999AA | 🇺🇸 US 🇨🇦 CA | Fits Front LED Fog Lamps, Rear Fog LampsCargo Lamp or Center High Mount Stop Lamp with Camera | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68719383AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisFront LED Fog Lamps | 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.
7 Headlamp Switch parts for the 2025 Ram 3500 come from MOPAR. The "Popular" part is MOPAR 68156061AD. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: MOPAR 68156061AD, MOPAR 68156065AC and MOPAR 68156064AC, plus the other parts above.
Hood Ajar Indicator Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 4707875AB | 🇺🇸 US 🇨🇦 CA | Fits Ram Box Cargo Management SystemRemote Keyless Entry | 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 2025 Ram 3500 — MOPAR 4707875AB.
Instrument Cluster Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68618899AA | 🇺🇸 US 🇨🇦 CA | Fits Trailer Brake ControlExc. 15.0" Touchscreen Display | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68309258AB | 🇺🇸 US 🇨🇦 CA | Fits Exc. Trailer Brake ControlMega Cab | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68529675AB | 🇺🇸 US 🇨🇦 CA | Fits DIESEL Exhaust Brake, Trailer Reverse Steering ControlExcept Black Switches or Auto Level Rear Air Suspension or Parksense Front/Rear Park Assist System or Parksense Rear Park Assist System | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68549224AB | 🇺🇸 US 🇨🇦 CA | Fits Trailer Brake Control, 15.0" Touchscreen DisplayCrew Cab Wheelbase 2 | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68549225AD | 🇺🇸 US 🇨🇦 CA | Fits Black Switches, 15.0" Touchscreen Display, Trailer Reverse Steering ControlCrew Cab Wheelbase 2 | View on Amazon |
| MOPAR Fits: all 2025 3500 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 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Listed part numbers: MOPAR 68618899AA, MOPAR 68309258AB and MOPAR 68529675AB, plus the other parts above.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2025 3500 engines | 1R2407 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
| WELLS Fits: all 2025 3500 engines | 1R2491 | 🇺🇸 US 🇨🇦 CA | with Stamping # 4671886AA | View on Amazon |
This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
WELLS supplies both parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
This group includes WELLS 1R2407 and WELLS 1R2491.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68334877AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineCrew Cab | View on Amazon |
| VALEO Fits: 6.4L V8 | 366899 | 🇺🇸 US 🇨🇦 CA | 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.
3 Oil Pressure Sender / Switch parts are listed for the 2025 Ram 3500, from MOPAR, VALEO and WELLS.
This group includes MOPAR 68334877AA, VALEO 366899 and WELLS 1S16094.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 56049433AG | 🇺🇸 US 🇨🇦 CA | Fits Driver Seat - Power Adjust 8-WayExcept Radio / Driver Seat / Mirrors / Pedals Memory | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 56049431AG | 🇺🇸 US 🇨🇦 CA | Fits Driver Seat - Power Adjust 8-Way, Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Wheelbase 2 | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 56049432AG | 🇺🇸 US 🇨🇦 CA | Fits Front Passenger Seat - Power Adjust 8-WayMega Cab | View on Amazon |
| SKP Fits: all 2025 3500 engines | SKPSW174 | 🇺🇸 US 🇨🇦 CA | Front Rightwith 8 Way Power Seat | 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.
4 Power Seat Switch parts for the 2025 Ram 3500 come from 2 brands — MOPAR and SKP. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Part numbers include MOPAR 56049433AG, MOPAR 56049431AG and MOPAR 56049432AG, among others listed above.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68574287AB | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisBase Door Trim Panel, Power Front Windows, 1-Touch, Up & Down, Mirror Power Heat Fold Telescope Black | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68574287AC | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisBase Door Trim Panel, Power Front Windows, 1-Touch, Up & Down, Mirror Power Heat Fold Telescope Black | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68574288AB | 🇺🇸 US 🇨🇦 CA | Cab ChassisHighline Door Trim Panel, Power Front Windows, 1-Touch, Up & Down, Mirror Power Heat Fold Telescope Black | View on Amazon |
| MOPAR Fits: all 2025 3500 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 2025 3500 engines | 68605846AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisUpgraded Door Trim Panel or Premium Vinyl Door Trim with Map Pocket, Power Windows, Front 1-Touch Down, Mirror Power Heat Fold Telescope Black | 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 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Listed part numbers: MOPAR 68574287AB, MOPAR 68574287AC and MOPAR 68574288AB, plus the other parts above.
Buying Electrical Switch & Relay Parts for a 2025 Ram 3500
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: Headlamp Switch and Instrument Cluster Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2025 Ram 3500?
Our catalog currently lists 33 electrical switch & relay parts for the 2025 Ram 3500 across 12 subcategories and 5 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 2025 Ram 3500 engines?
Some do. 30 parts fit every engine; the other 3 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 2025 Ram 3500?
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 2025 Ram 3500 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 2025 Ram 3500?
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 2025 Ram 3500
Electrical Switch & Relay Parts for Other Ram 3500 Years
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