2021 Ford F-150 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

23 Alternator / Generator parts are listed for the 2021 Ford F-150, from MOTORCRAFT, FVP, PURE ENERGY and 3 other brands. MOTORCRAFT GL8992 carries the "Popular" badge.

In the New grade, MOTORCRAFT and SKP supply 9 parts: brand-new units rather than rebuilt ones. A representative part number is MOTORCRAFT GL8992.

In the Remanufactured grade, FVP, PURE ENERGY, REMY and 1 other brand supply 9 parts: factory-rebuilt units with new wear components. A representative part number is FVP 10414.

5 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

4 Alternator / Generator Pulley parts for the 2021 Ford F-150 come from 3 brands — LITENS, CONTINENTAL and MOTORCRAFT.

Part numbers include CONTINENTAL 49907, LITENS 920892A and LITENS 920052A, among others listed above.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

35 Battery parts for the 2021 Ford F-150 come from 9 brands — ACDELCO, DEKA, FVP and 6 other brands. The "Popular" part is DEKA 9A49. Grades run from AGM (Extended Life) through Performance AGM (Extended Life + Increased Power); AGM (Extended Life) is the most populated section, led by ACDELCO, DEKA, FVP and 5 other brands.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

MOTORCRAFT supplies the 14 Battery Cable parts for the 2021 Ford F-150.

This table covers the Battery Current 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. Read more

One part is listed for the 2021 Ford F-150 — STANDARD MOTOR PRODUCTS BSC8.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

30 Battery Terminal parts for the 2021 Ford F-150 come from MOTORCRAFT. The "Popular" part is MOTORCRAFT WT1012. A list this long means Battery Terminal applications vary by configuration — the notes carry the qualifiers.

This table covers the Blind Spot Detection 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. Read more

One part is listed for the 2021 Ford F-150 — STANDARD MOTOR PRODUCTS BSD144.

This table covers the brackets that mount the Blind Spot Detection Sensor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

MOTORCRAFT supplies the 6 Blind Spot Detection Sensor Bracket parts for the 2021 Ford F-150. MOTORCRAFT BSSB32 carries the "Popular" badge. All of them fit every engine offered in the 2021 F-150.

Part numbers include MOTORCRAFT BSSB32, MOTORCRAFT BSSB40 and MOTORCRAFT BSSB24, among others listed above.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

14 Circuit Breaker parts for the 2021 Ford F-150 come from MOTORCRAFT. The "Popular" part is MOTORCRAFT SW8879. 11 parts fit every engine; the other 3 are engine-specific.

This table covers the brackets that mount the Engine Control Module (ECM Computer). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2021 Ford F-150 — MOTORCRAFT ECMB17.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

6 Fuse parts for the 2021 Ford F-150 come from BUSSMANN. The "Popular" part is BUSSMANN FMS25. Every part fits all 6 engine options (2.7L V6 Turbocharged, 3.0L V6 DIESEL Turbocharged, 3.3L V6, 3.5L V6 ELECTRIC/GAS Turbocharged and more).

The 15 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS15 is listed in this group.

The 20 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS20 is listed in this group.

In the 25 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS25.

The 40 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS40 is listed in this group.

In the 50 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS50.

The 60 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS60 is listed in this group.

Listed part numbers: BUSSMANN FMS25, BUSSMANN FMS15 and BUSSMANN FMS20, plus the other parts above.

This table covers the Fuse Box covers. Read more

3 Fuse Box Cover parts for the 2021 Ford F-150 come from MOTORCRAFT. Every part fits all 6 engine options (2.7L V6 Turbocharged, 3.0L V6 DIESEL Turbocharged, 3.3L V6, 3.5L V6 ELECTRIC/GAS Turbocharged and more).

Listed part numbers: MOTORCRAFT HLSC31, MOTORCRAFT HLSC30 and MOTORCRAFT HLSC29.

This table covers the horns mounted in the front of the vehicle. Read more

2 Horn parts for the 2021 Ford F-150 come from MOTORCRAFT. Every part fits all 6 engine options (2.7L V6 Turbocharged, 3.0L V6 DIESEL Turbocharged, 3.3L V6, 3.5L V6 ELECTRIC/GAS Turbocharged and more).

Listed part numbers: MOTORCRAFT HRN13 and MOTORCRAFT HRN31.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

DORMAN supplies both parts for the 2021 Ford F-150. All of them fit every engine offered in the 2021 F-150.

Part numbers include DORMAN 99284ST and DORMAN 99778ST.

This table covers the ultrasonic park-aid sensors in the bumper. 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. Read more

4 Parking Aid Sensor parts are listed for the 2021 Ford F-150, from DORMAN, STANDARD MOTOR PRODUCTS, TECHPRO and 1 other brand. All of them fit every engine offered in the 2021 F-150.

Listed part numbers: DORMAN 684117, STANDARD MOTOR PRODUCTS PPS155 and TECHPRO FO1075113, plus the other parts above.

This table covers the brackets that mount the Parking Aid Sensor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

TECHPRO supplies the 4 Parking Aid Sensor Bracket parts for the 2021 Ford F-150. All of them fit every engine offered in the 2021 F-150.

This group includes TECHPRO FO1077105, TECHPRO FO1077106 and TECHPRO FO1076105 and the remaining parts above.

This table covers the Rain 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. Read more

One part is listed for the 2021 Ford F-150 — MOTORCRAFT WRS5.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

8 Speed Sensor parts for the 2021 Ford F-150 come from 3 brands — STANDARD MOTOR PRODUCTS, MOTORCRAFT and DELPHI. The "Popular" part is MOTORCRAFT DY1506. Every part fits all 6 engine options (2.7L V6 Turbocharged, 3.0L V6 DIESEL Turbocharged, 3.3L V6, 3.5L V6 ELECTRIC/GAS Turbocharged and more).

Listed part numbers: MOTORCRAFT DY1506, MOTORCRAFT DY1400 and DELPHI SS12396, plus the other parts above.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

18 Starter Motor parts are listed for the 2021 Ford F-150, from MOTORCRAFT, FVP, PURE ENERGY and 4 other brands. MOTORCRAFT SA1164 carries the "Popular" badge.

New: 6 parts, from MOTORCRAFT, VALEO and TYC. A representative part number is MOTORCRAFT SA1164.

Remanufactured: 12 parts, from FVP, PURE ENERGY, REMY and 1 other brand. A representative part number is FVP 12887.

This table covers the Yaw 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. Read more

This group shows a single part: MOTORCRAFT SW9354.