The 2021 Ford E-450 has 94 electrical switch & relay parts with verified fitment on this page — 26 part types and 15 brands, covering the 7.3L V8 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Ford E-450, 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 Blower Switch (10 parts), A/C Refrigerant Pressure Switch (9 parts) and Brake Light Switch (9 parts). The other 23 part types cover the remaining 66 parts.
The 2021 Ford E-450 came with a single engine, the 7.3L V8, and every part is verified against it.
15 brands supply electrical switch & relay parts for the 2021 Ford E-450, led by MOTORCRAFT (42 parts), STANDARD MOTOR PRODUCTS (14 parts) and DORMAN (9 parts), plus 12 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Ford E-450. 14 parts have it, including MOTORCRAFT YH2034 (A/C Refrigerant Pressure Switch) and MOTORCRAFT YH1934 (Blower Switch). Each part number opens a page with every vehicle that part fits.
A/C Clutch Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1713700 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORCRAFT | YH2012 | 🇺🇸 US 🇨🇦 CA | Low PressureLocated On Accumulator | View on Amazon |
| MOTORCRAFT | YH2013 | 🇺🇸 US 🇨🇦 CA | Low PressureLocated On Accumulator | 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.
3 A/C Clutch Switch parts for the 2021 Ford E-450 come from 2 brands — MOTORCRAFT and GPD.
Part numbers include GPD 1713700, MOTORCRAFT YH2012 and MOTORCRAFT YH2013.
A/C Condenser Fan Motor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RY255 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 70 AContinuous Duty: YES | View on Amazon |
This table covers the relays that control the A/C Condenser Fan Motor 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.
One part is listed for the 2021 Ford E-450 — STANDARD MOTOR PRODUCTS RY255.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | YH2034 | 🇺🇸 US 🇨🇦 CA | with Aux ACPressure Cut Off Switch | View on Amazon |
| UAC Popular | SW10035C | 🇺🇸 US 🇨🇦 CA | HPCO Switch | View on Amazon |
| DORMAN | 904612 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS | 37340 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| GPD | 1711937 | 🇺🇸 US 🇨🇦 CA | Transducer | View on Amazon |
| MOTORCRAFT | YH1705 | 🇺🇸 US 🇨🇦 CA | Color - Black2 Pin Terminal | View on Amazon |
| UAC | SW11101C | 🇺🇸 US 🇨🇦 CA | Binary HPCO/Cooling Fan Pressure Switch | View on Amazon |
| UAC | SW11167C | 🇺🇸 US 🇨🇦 CA | Binary Hpco/Lpco Switch | View on Amazon |
| UAC | SW11280C | 🇺🇸 US 🇨🇦 CA | Binary HPCO/Cooling Fan Pressure Switch | 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.
9 A/C Refrigerant Pressure Switch parts are listed for the 2021 Ford E-450, from UAC, MOTORCRAFT, DORMAN and 2 other brands. MOTORCRAFT YH2034 carries the "Popular" badge.
This group includes MOTORCRAFT YH2034, UAC SW10035C and DORMAN 904612 and the remaining parts above.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RY255 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 70 AContinuous Duty: YES | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY998 | 🇺🇸 US 🇨🇦 CA | 50 Ampswith 3 Blade Terminals | 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.
2 Accessory Power Relay parts for the 2021 Ford E-450 come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS RY255 and STANDARD MOTOR PRODUCTS RY998.
Accessory Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW6760 | 🇺🇸 US 🇨🇦 CA | BlackSpare Accessory Switches-4 | View on Amazon |
| MOTORCRAFT | SW8600 | 🇺🇸 US 🇨🇦 CA | Housing - Windshield Wiper | 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.
2 Accessory Switch parts for the 2021 Ford E-450 come from MOTORCRAFT.
This group includes MOTORCRAFT SW6760 and MOTORCRAFT SW8600.
Blower Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BWD/NIEHOFF | HS300 | 🇺🇸 US 🇨🇦 CA | Fits FrontDEALER INSTALLED A/C | View on Amazon |
| BWD/NIEHOFF | BL19 | 🇺🇸 US 🇨🇦 CA | Fits Frontwith Factory Installed A/C | View on Amazon |
| DORMAN | 901252 | 🇺🇸 US 🇨🇦 CA | with Manual Air Conditioning Controls | View on Amazon |
| STANDARD MOTOR PRODUCTS | HS214T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | YH1934 | 🇺🇸 US 🇨🇦 CA | Frontwith Four Control Positions | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | HS214 | 🇺🇸 US 🇨🇦 CA | Frontwith Factory Installed A/C | View on Amazon |
| MOTORCRAFT | YH1515 | 🇺🇸 US 🇨🇦 CA | Temp Control | View on Amazon |
| MOTORCRAFT | YH1479 | 🇺🇸 US 🇨🇦 CA | HVAC Heater Control Switch (Defrost, Floor, Vent) | View on Amazon |
| STANDARD MOTOR PRODUCTS | HS319 | 🇺🇸 US 🇨🇦 CA | Frontwith Dealer Installed A/C | View on Amazon |
| STANDARD MOTOR PRODUCTS | DS2217 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the Blower 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.
10 Blower Switch parts are listed for the 2021 Ford E-450, from STANDARD MOTOR PRODUCTS, MOTORCRAFT, BWD/NIEHOFF and 1 other brand. MOTORCRAFT YH1934 carries the "Popular" badge.
In the Economy grade, BWD/NIEHOFF, DORMAN and STANDARD MOTOR PRODUCTS supply 4 parts: the catalog's value-priced group. A representative part number is BWD/NIEHOFF HS300.
The Standard Replacement section lists 6 options from MOTORCRAFT and STANDARD MOTOR PRODUCTS — built to original-equipment specification. MOTORCRAFT YH1934 is listed in this group.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 926487 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2BLS0025 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SKSLS510 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS510T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW7810 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | SLS510 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 620008 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS | SW409 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 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.
9 Brake Light Switch parts are listed for the 2021 Ford E-450, from STANDARD MOTOR PRODUCTS, DORMAN, HOLSTEIN and 5 other brands. MOTORCRAFT SW7810 carries the "Popular" badge.
Economy: 4 parts, from DORMAN, HOLSTEIN, SKP and 1 other brand. A representative part number is DORMAN 926487.
The Standard Replacement section: 5 options from MOTORCRAFT, STANDARD MOTOR PRODUCTS, ROSTRA and 2 other brands. MOTORCRAFT SW7810 is listed in this group.
Listed part numbers: MOTORCRAFT SW7810, DORMAN 926487 and HOLSTEIN 2BLS0025, plus the other parts above.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW7452 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| MOTORCRAFT Popular | SW7449 | 🇺🇸 US 🇨🇦 CA | LeftColor: Black | View on Amazon |
| MOTORCRAFT | SW7451 | 🇺🇸 US 🇨🇦 CA | Leftwithout Speed Control | View on Amazon |
| MOTORCRAFT | SW7450 | 🇺🇸 US 🇨🇦 CA | Leftwith Adaptive Speed Control | View on Amazon |
| MOTORCRAFT | SW6749 | 🇺🇸 US 🇨🇦 CA | with Media Gateway Module | View on Amazon |
| MOTORCRAFT | SW6748 | 🇺🇸 US 🇨🇦 CA | without SYNC | 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.
6 Cruise Control Switch parts for the 2021 Ford E-450 come from MOTORCRAFT. The "Popular" part is MOTORCRAFT SW7452.
Part numbers include MOTORCRAFT SW7452, MOTORCRAFT SW7449 and MOTORCRAFT SW7451, among others listed above.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 640036 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S15118 | 🇺🇸 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.
2 Dimmer Switch parts for the 2021 Ford E-450 come from 2 brands — ROSTRA and WELLS.
Part numbers include ROSTRA 640036 and WELLS 1S15118.
Door Jamb Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW6345 | 🇺🇸 US 🇨🇦 CA | Side Hinged Doors | 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.
This group shows a single part: MOTORCRAFT SW6345.
Door Lock Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 920662 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW7240 | 🇺🇸 US 🇨🇦 CA | Front LeftExc. RV Prep Version | View on Amazon |
| MOTORCRAFT | SW7206 | 🇺🇸 US 🇨🇦 CA | Fits Front LeftBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | PDS245 | 🇺🇸 US 🇨🇦 CA | Position Switch | 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.
4 Door Lock Switch parts are listed for the 2021 Ford E-450, from MOTORCRAFT, DORMAN and STANDARD MOTOR PRODUCTS.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 920662.
The Standard Replacement section: 3 options from MOTORCRAFT and STANDARD MOTOR PRODUCTS. MOTORCRAFT SW7240 is listed in this group.
This group includes DORMAN 920662, MOTORCRAFT SW7240 and MOTORCRAFT SW7206 and the remaining parts above.
Hazard Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW7413 | 🇺🇸 US 🇨🇦 CA | without Collision Mitigation System | View on Amazon |
| MOTORCRAFT | SW7808 | 🇺🇸 US 🇨🇦 CA | with black stalk | View on Amazon |
This table covers the Hazard 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.
2 Hazard Warning Switch parts for the 2021 Ford E-450 come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT SW7413 and MOTORCRAFT SW7808.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW8618 | 🇺🇸 US 🇨🇦 CA | Headlamp with Integrated Dimmer | View on Amazon |
| ROSTRA | 650433 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
| STANDARD MOTOR PRODUCTS | HLS1570 | 🇺🇸 US 🇨🇦 CA | without Front Fog Lightswith Automatic Headlights | View on Amazon |
| WELLS | 1S13831 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | 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 2021 Ford E-450 come from 4 brands — MOTORCRAFT, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include MOTORCRAFT SW8618, ROSTRA 650433 and STANDARD MOTOR PRODUCTS HLS1570, among others listed above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW9352 | 🇺🇸 US 🇨🇦 CA | Steering column | View on Amazon |
| MOTORCRAFT | SW9353 | 🇺🇸 US 🇨🇦 CA | Actuator Assembly | View on Amazon |
| MOTORCRAFT | SW6958 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 630090 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S10967 | 🇺🇸 US 🇨🇦 CA | 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.
5 Ignition Starter Switch parts for the 2021 Ford E-450 come from 3 brands — MOTORCRAFT, ROSTRA and WELLS. The "Popular" part is MOTORCRAFT SW9352.
Listed part numbers: MOTORCRAFT SW9352, MOTORCRAFT SW9353 and MOTORCRAFT SW6958, plus the other parts above.
Instrument Cluster Voltage Regulator Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW7863 | 🇺🇸 US 🇨🇦 CA | Blackwith Hazard Warning | 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.
This group shows a single part: MOTORCRAFT SW7863.
Instrument Panel Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S13831 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
This table covers the Instrument Panel Dimmer 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 E-450 — WELLS 1S13831.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | TGPS1 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | NS659 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade | View on Amazon |
| WELLS | 5S13396 | 🇺🇸 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.
3 Neutral Safety Switch / Range Sensor parts are listed for the 2021 Ford E-450, from MOTORCRAFT, STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include MOTORCRAFT TGPS1, STANDARD MOTOR PRODUCTS NS659 and WELLS 5S13396.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | PS427 | 🇺🇸 US 🇨🇦 CA | Fits Oil Pressure Sender or Switchwith Lightor Oil Pressure Sender or Switch | View on Amazon |
| DORMAN | 926461 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PS427T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW8368 | 🇺🇸 US 🇨🇦 CA | 1/4 Inch NPTF | View on Amazon |
| MOTORCRAFT | OPS1 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | 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.
6 Oil Pressure Sender / Switch parts are listed for the 2021 Ford E-450, from STANDARD MOTOR PRODUCTS, MOTORCRAFT, ULTRA-POWER and 1 other brand. ULTRA-POWER PS427 carries the "Popular" badge.
Economy: 3 parts, from ULTRA-POWER, DORMAN and STANDARD MOTOR PRODUCTS. A representative part number is ULTRA-POWER PS427.
The Standard Replacement section: 3 options from MOTORCRAFT and STANDARD MOTOR PRODUCTS. MOTORCRAFT SW8368 is listed in this group.
Part numbers include ULTRA-POWER PS427, DORMAN 926461 and STANDARD MOTOR PRODUCTS PS427T, among others listed above.
Outside Mirror Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 901164 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the Outside Mirror 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: DORMAN 901164.
Passenger Air Bag Disable Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW9218 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Passenger Air Bag Disable 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 SW9218.
Power Seat Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 920663 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW7062 | 🇺🇸 US 🇨🇦 CA | Seat SwitchAdjusting | 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.
2 Power Seat Switch parts for the 2021 Ford E-450 come from 2 brands — DORMAN and MOTORCRAFT.
The Economy section: 1 option from DORMAN. DORMAN 920663 is listed in this group.
Standard Replacement: 1 part, from MOTORCRAFT. A representative part number is MOTORCRAFT SW7062.
Part numbers include DORMAN 920663 and MOTORCRAFT SW7062.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 901363 | 🇺🇸 US 🇨🇦 CA | Front Right1 Button | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW7207 | 🇺🇸 US 🇨🇦 CA | Front RightColor: Black | View on Amazon |
| MOTORCRAFT | SW7244 | 🇺🇸 US 🇨🇦 CA | RightBlack | View on Amazon |
| MOTORCRAFT | SW7215 | 🇺🇸 US 🇨🇦 CA | Front LeftBlack | View on Amazon |
| MOTORCRAFT | SW7246 | 🇺🇸 US 🇨🇦 CA | LeftBlack | 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.
5 Power Window Switch parts are listed for the 2021 Ford E-450, from MOTORCRAFT and DORMAN. MOTORCRAFT SW7207 carries the "Popular" badge.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 901363.
The Standard Replacement section: 4 options from MOTORCRAFT. MOTORCRAFT SW7207 is listed in this group.
Listed part numbers: MOTORCRAFT SW7207, DORMAN 901363 and MOTORCRAFT SW7244, plus the other parts above.
Step / Courtesy Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW6346 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| MOTORCRAFT | SW5188 | 🇺🇸 US 🇨🇦 CA | SLIDING DOOR | View on Amazon |
| MOTORCRAFT | SW5195 | 🇺🇸 US 🇨🇦 CA | with Illuminated Entry System | View on Amazon |
This table covers the Step / Courtesy Light 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 3 Step / Courtesy Light Switch parts for the 2021 Ford E-450.
Part numbers include MOTORCRAFT SW6346, MOTORCRAFT SW5188 and MOTORCRAFT SW5195.
Transmission-Automatic Fluid Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW6215 | 🇺🇸 US 🇨🇦 CA | No Conductor In Switch | View on Amazon |
This table covers the Transmission-Automatic Fluid 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 E-450 — MOTORCRAFT SW6215.
Turn Signal Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | FD1322065 | 🇺🇸 US 🇨🇦 CA | Stripped Chassis - Incomplete | View on Amazon |
| DORMAN | 901781 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO | V25730153 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular | SW7917 | 🇺🇸 US 🇨🇦 CA | Color: Black | View on Amazon |
| ROSTRA Popular | 640036 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORCRAFT | SW7808 | 🇺🇸 US 🇨🇦 CA | with black stalk | View on Amazon |
| WELLS | 1S15118 | 🇺🇸 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.
7 Turn Signal Switch parts are listed for the 2021 Ford E-450, from MOTORCRAFT, AUTOTECNICA, DORMAN and 3 other brands. MOTORCRAFT SW7917 carries the "Popular" badge.
Economy: 3 parts, from AUTOTECNICA, DORMAN and VEMO. A representative part number is AUTOTECNICA FD1322065.
The Standard Replacement section: 4 options from MOTORCRAFT, ROSTRA and WELLS. MOTORCRAFT SW7917 is listed in this group.
Listed part numbers: MOTORCRAFT SW7917, AUTOTECNICA FD1322065 and DORMAN 901781, plus the other parts above.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | SW7808 | 🇺🇸 US 🇨🇦 CA | with black stalk | View on Amazon |
| ROSTRA | 640036 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S15118 | 🇺🇸 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.
3 Wiper / Washer Switch parts for the 2021 Ford E-450 come from 3 brands — MOTORCRAFT, ROSTRA and WELLS.
Listed part numbers: MOTORCRAFT SW7808, ROSTRA 640036 and WELLS 1S15118.
Buying Electrical Switch & Relay Parts for a 2021 Ford E-450
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 7.3L V8 engine — every part on this page is matched to it.
- 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: Blower Switch and A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Ford E-450?
Our catalog currently lists 94 electrical switch & relay parts for the 2021 Ford E-450 across 26 subcategories and 15 brands, covering the 7.3L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 Ford E-450?
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 E-450 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 E-450?
Every part on this page is matched to the 7.3L V8 engine. 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 E-450
Electrical Switch & Relay Parts for Other Ford E-450 Years
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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.