51 Electrical switch & relay parts are listed for the 2021 Ford F-650, in 19 part types, covering both the 6.7L V8 DIESEL Turbocharged and the 7.3L V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Ford F-650, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Brake Light Switch (8 parts), A/C Refrigerant Pressure Switch (5 parts) and Instrument Cluster Voltage Regulator Switch (5 parts). The other 16 part types cover the remaining 33 parts.
The 2021 Ford F-650 was sold with both the 6.7L V8 DIESEL Turbocharged and the 7.3L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Ford F-650 electrical switch & relay parts are MOTORCRAFT (30 parts), STANDARD MOTOR PRODUCTS (9 parts) and UAC (4 parts), plus 7 more brands. Quality grades include Standard Replacement and Economy.
4 parts on this 2021 Ford F-650 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOTORCRAFT YH2034 (A/C Refrigerant Pressure Switch) and MOTORCRAFT SW7810 (Brake Light Switch). Click any part number to see every vehicle that part fits.
A/C Clutch Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC Fits: 7.3L V8 | SW11427C | 🇺🇸 US 🇨🇦 CA | Clutch Cycling Switch | View on Amazon |
This table covers the A/C Clutch 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 2021 Ford F-650 — UAC SW11427C.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | YH2034 | 🇺🇸 US 🇨🇦 CA | Pressure Cut Off SwitchM10 X 1.25 - 6H Thread | View on Amazon |
| FOUR SEASONS Fits: 7.3L V8 | 37340 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| UAC Fits: 7.3L V8 | SW11167C | 🇺🇸 US 🇨🇦 CA | Binary Hpco/Lpco Switch | View on Amazon |
| UAC Fits: 7.3L V8 | SW11280C | 🇺🇸 US 🇨🇦 CA | Binary HPCO/Cooling Fan Pressure Switch | View on Amazon |
| UAC Fits: 7.3L V8 | SW10101C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | 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.
5 A/C Refrigerant Pressure Switch parts for the 2021 Ford F-650 come from 3 brands — UAC, MOTORCRAFT and FOUR SEASONS. The "Popular" part is MOTORCRAFT YH2034.
This group includes MOTORCRAFT YH2034, FOUR SEASONS 37340 and UAC SW11167C and the remaining parts above.
Accessory Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW6760 | 🇺🇸 US 🇨🇦 CA | Spare Accessory | View on Amazon |
This table covers the Accessory 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 2021 Ford F-650 — MOTORCRAFT SW6760.
Air Brake Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW9223 | 🇺🇸 US 🇨🇦 CA | with All Wheel Drum Brakes | View on Amazon |
This table covers the Air Brake Pressure 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 2021 Ford F-650 — MOTORCRAFT SW9223.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 7.3L V8 | 2BLS0025 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 7.3L V8 | SKSLS510 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | SLS510T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | SW7810 | 🇺🇸 US 🇨🇦 CA | with 4 Wheel Disc Brake | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 7.3L V8 | SLS510 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: 7.3L V8 | 2012749 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORCRAFT Fits: 7.3L V8 | SW7599 | 🇺🇸 US 🇨🇦 CA | with All Wheel Drum Brakes | View on Amazon |
| WELLS Fits: 7.3L V8 | 1S10920 | 🇺🇸 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.
8 Brake Light Switch parts for the 2021 Ford F-650 come from 6 brands — STANDARD MOTOR PRODUCTS, MOTORCRAFT, HOLSTEIN and 3 other brands. The "Popular" part is MOTORCRAFT SW7810.
The Economy section lists 3 options from HOLSTEIN, SKP and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. HOLSTEIN 2BLS0025 is listed in this group.
In the Standard Replacement grade, MOTORCRAFT, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is MOTORCRAFT SW7810.
This group includes MOTORCRAFT SW7810, HOLSTEIN 2BLS0025 and SKP SKSLS510 and the remaining parts above.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW6293 | 🇺🇸 US 🇨🇦 CA | Rightwithout SYNC | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7452 | 🇺🇸 US 🇨🇦 CA | Rightwith Speed Control | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7449 | 🇺🇸 US 🇨🇦 CA | LeftColor: Black | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7450 | 🇺🇸 US 🇨🇦 CA | Leftwith Adaptive Speed Control | View on Amazon |
This table covers the Cruise Control 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.
MOTORCRAFT supplies the 4 Cruise Control Switch parts for the 2021 Ford F-650.
This group includes MOTORCRAFT SW6293, MOTORCRAFT SW7452 and MOTORCRAFT SW7449 and the remaining parts above.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | CBS2293 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | 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.
One part is listed for the 2021 Ford F-650 — STANDARD MOTOR PRODUCTS CBS2293.
Door Jamb Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW6108 | 🇺🇸 US 🇨🇦 CA | Alarm, Switch - Door Ajar Warning | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | AW1058 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the Door Jamb 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.
2 Door Jamb Switch parts are listed for the 2021 Ford F-650, from MOTORCRAFT and STANDARD MOTOR PRODUCTS.
Listed part numbers: MOTORCRAFT SW6108 and STANDARD MOTOR PRODUCTS AW1058.
Door Lock Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW7289 | 🇺🇸 US 🇨🇦 CA | Front Left | 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.
This group shows a single part: MOTORCRAFT SW7289.
Door Open Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW6033 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW6032 | 🇺🇸 US 🇨🇦 CA | Fits Front Left | View on Amazon |
This table covers the Door Open Warning 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.
MOTORCRAFT supplies both parts for the 2021 Ford F-650.
This group includes MOTORCRAFT SW6033 and MOTORCRAFT SW6032.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW8618 | 🇺🇸 US 🇨🇦 CA | without Front Fog Lamps | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | HLS1570 | 🇺🇸 US 🇨🇦 CA | without Front Fog Lights | 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.
2 Headlamp Switch parts are listed for the 2021 Ford F-650, from MOTORCRAFT and STANDARD MOTOR PRODUCTS.
Part numbers include MOTORCRAFT SW8618 and STANDARD MOTOR PRODUCTS HLS1570.
HVAC Control Switch / Panel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | CCM87 | 🇺🇸 US 🇨🇦 CA | CHROME FINISH | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | CCM88 | 🇺🇸 US 🇨🇦 CA | BLACK FINISH | View on Amazon |
This table covers the HVAC Control Switch panels.
MOTORCRAFT supplies both parts for the 2021 Ford F-650.
Part numbers include MOTORCRAFT CCM87 and MOTORCRAFT CCM88.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW6958 | 🇺🇸 US 🇨🇦 CA | Key-Integral Fob | 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.
One part is listed for the 2021 Ford F-650 — MOTORCRAFT SW6958.
Instrument Cluster Voltage Regulator Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW7601 | 🇺🇸 US 🇨🇦 CA | without Traction Controlwith Suspension Dump Valve | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7602 | 🇺🇸 US 🇨🇦 CA | with Brake/Engine Traction Controlwith Suspension Dump Valve | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7603 | 🇺🇸 US 🇨🇦 CA | without Traction Controlwithout Suspension Dump Valve | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7604 | 🇺🇸 US 🇨🇦 CA | without Traction Controlwith Suspension Dump Valve | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7605 | 🇺🇸 US 🇨🇦 CA | with Brake/Engine Traction ControlRear Axle Two Speed | View on Amazon |
This table covers the Instrument Cluster Voltage Regulator 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.
MOTORCRAFT supplies the 5 Instrument Cluster Voltage Regulator Switch parts for the 2021 Ford F-650.
Part numbers include MOTORCRAFT SW7601, MOTORCRAFT SW7602 and MOTORCRAFT SW7603, among others listed above.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | TGPS1 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
This group shows a single part: MOTORCRAFT TGPS1.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | PS427T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| ULTRA-POWER Fits: 7.3L V8 | PS427 | 🇺🇸 US 🇨🇦 CA | Oil Pressure Sender or Switchwith Gauge | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | SW8368 | 🇺🇸 US 🇨🇦 CA | 1/4 Inch NPTF | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | OPS1 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | PS427 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Oval, Rectangle | 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.
5 Oil Pressure Sender / Switch parts for the 2021 Ford F-650 come from 3 brands — STANDARD MOTOR PRODUCTS, MOTORCRAFT and ULTRA-POWER. The "Popular" part is MOTORCRAFT SW8368.
The Economy section: 2 options from STANDARD MOTOR PRODUCTS and ULTRA-POWER. STANDARD MOTOR PRODUCTS PS427T is listed in this group.
Standard Replacement: 3 parts, from MOTORCRAFT and STANDARD MOTOR PRODUCTS. A representative part number is MOTORCRAFT SW8368.
This group includes MOTORCRAFT SW8368, STANDARD MOTOR PRODUCTS PS427T and ULTRA-POWER PS427 and the remaining parts above.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW7244 | 🇺🇸 US 🇨🇦 CA | FrontBlack | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7290 | 🇺🇸 US 🇨🇦 CA | Front RightBlack | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7311 | 🇺🇸 US 🇨🇦 CA | Front LeftBlack | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW7312 | 🇺🇸 US 🇨🇦 CA | Front LeftColor: 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.
4 Power Window Switch parts for the 2021 Ford F-650 come from MOTORCRAFT.
This group includes MOTORCRAFT SW7244, MOTORCRAFT SW7290 and MOTORCRAFT SW7311 and the remaining parts above.
Turn Signal Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 7.3L V8 | 901781 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 7.3L V8 | SKCBS2293 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW7917 | 🇺🇸 US 🇨🇦 CA | Direction Indicator, Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | CBS2293 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | 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.
4 Turn Signal Switch parts for the 2021 Ford F-650 come from 4 brands — DORMAN, SKP, MOTORCRAFT and 1 other brand.
The Economy section: 2 options from DORMAN and SKP. DORMAN 901781 is listed in this group.
Standard Replacement: 2 parts, from MOTORCRAFT and STANDARD MOTOR PRODUCTS. A representative part number is MOTORCRAFT SW7917.
Listed part numbers: DORMAN 901781, SKP SKCBS2293 and MOTORCRAFT SW7917, plus the other parts above.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | CBS2293 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | 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.
One part is listed for the 2021 Ford F-650 — STANDARD MOTOR PRODUCTS CBS2293.
Buying Electrical Switch & Relay Parts for a 2021 Ford F-650
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. Every electrical switch & relay 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, 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: Brake Light Switch and A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Ford F-650?
Our catalog currently lists 51 electrical switch & relay parts for the 2021 Ford F-650 across 19 subcategories and 10 brands, covering both the 6.7L V8 DIESEL Turbocharged and the 7.3L V8. Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2021 Ford F-650 engines?
Yes. Every electrical switch & relay 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 switch & relay problems on a 2021 Ford F-650?
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 Ford F-650 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 Ford F-650?
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 Ford F-650
Electrical Switch & Relay Parts for Other Ford F-650 Years
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