2021 Ford E-450 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

12 Alternator / Generator parts are listed for the 2021 Ford E-450, from MOTORCRAFT, WAI GLOBAL, FVP and 2 other brands. MOTORCRAFT GL8858 carries the "Popular" badge.

In the New grade, MOTORCRAFT and WAI GLOBAL supply 6 parts: brand-new units rather than rebuilt ones. A representative part number is MOTORCRAFT GL8858.

In the Remanufactured grade, FVP, PURE ENERGY and TERREPOWER supply 6 parts: factory-rebuilt units with new wear components. A representative part number is FVP 10388.

This table covers the brackets that mount the Alternator / Generator. 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 E-450 — MOTORCRAFT STP368.

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

6 Battery parts for the 2021 Ford E-450 come from 6 brands — DEKA, FVP, ACDELCO and 3 other brands. The "Popular" part is DEKA 9A65.

In the AGM (Extended Life) grade, DEKA, FVP, ACDELCO and 2 other brands supply 5 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A65.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT93065.

Part numbers include DEKA 9A65, FVP P65AGM and ACDELCO 65AGMHRC, among others listed above.

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 6 Battery Cable parts for the 2021 Ford E-450. MOTORCRAFT WC97424 carries the "Popular" badge.

Listed part numbers: MOTORCRAFT WC97424, MOTORCRAFT WC97423 and MOTORCRAFT WC97425, plus the other parts above.

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

26 Battery Terminal parts for the 2021 Ford E-450 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 resettable circuit breakers in this vehicle's electrical system. Read more

11 Circuit Breaker parts for the 2021 Ford E-450 come from 2 brands — MOTORCRAFT and BUSSMANN. The "Popular" part is BUSSMANN CBB30.

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 E-450 — MOTORCRAFT ECMB12.

This table covers the flasher units that blink the turn signals and hazards. Read more

This group shows a single part: MOTORCRAFT SF602.

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

15 Fuse parts for the 2021 Ford E-450 come from BUSSMANN. The "Popular" part is BUSSMANN ATM10LP.

In the 10 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10LP.

The 15 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM15LP is listed in this group.

The 2 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM2 is listed in this group.

The 20 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM20LP is listed in this group.

In the 30 Amp grade, BUSSMANN supplies 3 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN MAX30.

The 4 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "4 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM4 is listed in this group.

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 FMM40 is listed in this group.

In the 5 Amp grade, BUSSMANN supplies 2 parts: grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM5LP.

The 7.5 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712LP is listed in this group.

This table covers the Fuse Box covers. Read more

This group shows a single part: MOTORCRAFT HLSC25.

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

2 Horn parts for the 2021 Ford E-450 come from 2 brands — DORMAN and MOTORCRAFT.

This group includes DORMAN 926571 and MOTORCRAFT HRN10.

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

4 Speed Sensor parts for the 2021 Ford E-450 come from 3 brands — MOTORCRAFT, DELPHI and STANDARD MOTOR PRODUCTS.

Listed part numbers: DELPHI SS12389, MOTORCRAFT DY1287 and MOTORCRAFT DY1517, 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

6 Starter Motor parts are listed for the 2021 Ford E-450, from MOTORCRAFT, WAI GLOBAL, REMY and 3 other brands. MOTORCRAFT SA1156 carries the "Popular" badge.

New: 2 parts, from MOTORCRAFT and WAI GLOBAL. A representative part number is MOTORCRAFT SA1156.

Remanufactured: 3 parts, from REMY, PURE ENERGY and TERREPOWER. A representative part number is REMY 28050.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: MOTORCRAFT SA1156, WAI GLOBAL 19359N and REMY 28050, plus the other parts above.