This page lists 58 electrical parts for the 2021 Ford F-600 Super Duty, across 16 part types, covering both the 6.7L V8 DIESEL Turbocharged and the 7.3L V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Ford F-600 Super Duty, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery Terminal (15 parts), Circuit Breaker (9 parts) and Battery (6 parts). The other 13 part types cover the remaining 28 parts.
The 2021 Ford F-600 Super Duty 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.
13 brands supply electrical parts for the 2021 Ford F-600 Super Duty, led by MOTORCRAFT (42 parts), WAI GLOBAL (3 parts) and DORMAN (3 parts), plus 10 more brands. Quality grades include AGM and Performance AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Ford F-600 Super Duty. 9 parts have it, including DEKA 9A65 (Battery) and MOTORCRAFT WT1002 (Battery Terminal). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | GL8937 | 🇺🇸 US 🇨🇦 CA | UpperDual Heavy Duty Alternator | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | GL8936 | 🇺🇸 US 🇨🇦 CA | LowerDual Extra Heavy Duty Alternator | View on Amazon |
| WAI GLOBAL Fits: 7.3L V8 | 44023N | 🇺🇸 US 🇨🇦 CA | Dual Alternat | View on Amazon |
| WAI GLOBAL Fits: 7.3L V8 | 44021N | 🇺🇸 US 🇨🇦 CA | Dual Alternat | View on Amazon |
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.
4 Alternator / Generator parts for the 2021 Ford F-600 Super Duty come from 2 brands — MOTORCRAFT and WAI GLOBAL.
Listed part numbers: MOTORCRAFT GL8937, MOTORCRAFT GL8936 and WAI GLOBAL 44023N, plus the other parts above.
Alternator / Generator Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | STP368 | 🇺🇸 US 🇨🇦 CA | Heavy Duty AlternatorExtra Heavy Duty Alternator | View on Amazon |
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.
This group shows a single part: MOTORCRAFT STP368.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 7.3L V8 | 9A65 | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: 7.3L V8 | P65AGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 65 | View on Amazon |
| ACDELCO Fits: 7.3L V8 | 65AGMHRC | 🇺🇸 US 🇨🇦 CA | High Reserve AGMBCI Group 65 | View on Amazon |
| BOSCH Fits: 7.3L V8 | S6551B | 🇺🇸 US 🇨🇦 CA | AGMAGM | View on Amazon |
| EXIDE Fits: 7.3L V8 | MX65 | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 65 | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: 7.3L V8 | FT93065 | 🇺🇸 US 🇨🇦 CA | BCI Group 65(Length X Width X Height) 11.81 In x 7.17 In x 7.24 In | View on Amazon |
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.
6 Battery parts are listed for the 2021 Ford F-600 Super Duty, from DEKA, FVP, ACDELCO and 3 other brands. DEKA 9A65 carries the "Popular" badge.
The AGM (Extended Life) section lists 5 options from DEKA, FVP, ACDELCO and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A65 is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT93065 is listed in this group.
Part numbers include DEKA 9A65, FVP P65AGM and ACDELCO 65AGMHRC, among others listed above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | WC97593 | 🇺🇸 US 🇨🇦 CA | Battery to BatteryHeavy duty battery | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WC97595 | 🇺🇸 US 🇨🇦 CA | Battery to BatteryMedium Duty Battery | View on Amazon |
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.
2 Battery Cable parts for the 2021 Ford F-600 Super Duty come from MOTORCRAFT.
Part numbers include MOTORCRAFT WC97593 and MOTORCRAFT WC97595.
Battery Hold Down
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Fits: 7.3L V8 | FD0820716 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: 7.3L V8 | 60330 | 🇺🇸 US 🇨🇦 CA | Battery Hold Down Kit | View on Amazon |
| SKP Fits: 7.3L V8 | SK60330 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the clamps and brackets that secure the battery.
3 Battery Hold Down parts for the 2021 Ford F-600 Super Duty come from 3 brands — AUTOTECNICA, DORMAN and SKP.
Part numbers include AUTOTECNICA FD0820716, DORMAN 60330 and SKP SK60330.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | WT1002 | 🇺🇸 US 🇨🇦 CA | 0.5MM, Silver Plated | View on Amazon |
| MOTORCRAFT Popular Fits: 7.3L V8 | WT1003 | 🇺🇸 US 🇨🇦 CA | Female 1.5 14/16AWG material silver | View on Amazon |
| MOTORCRAFT Popular Fits: 7.3L V8 | WT1001 | 🇺🇸 US 🇨🇦 CA | Terminal0.75MM, Silver Plated | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1010 | 🇺🇸 US 🇨🇦 CA | 0.75 SQ. MMTerminal size 1.2 | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1012 | 🇺🇸 US 🇨🇦 CA | Male Terminal KitIncludes 1 wire with lead, 1 splice, 1 heat shink | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1011 | 🇺🇸 US 🇨🇦 CA | Male 0.5 18AWG material: Tin | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1013 | 🇺🇸 US 🇨🇦 CA | Male 1 In. 6/18/20 material silver | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1006 | 🇺🇸 US 🇨🇦 CA | 2.5 SQ. MMTerminal size 2.8 | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1016 | 🇺🇸 US 🇨🇦 CA | Male 2.5 14AWG material Tin | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1014 | 🇺🇸 US 🇨🇦 CA | Male 4 In. 10/12 material Tin | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1007 | 🇺🇸 US 🇨🇦 CA | Female 1.5 SQ. MM size 4.8 | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1015 | 🇺🇸 US 🇨🇦 CA | Male 3 In. 10/12 material Tin | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1004 | 🇺🇸 US 🇨🇦 CA | Female 1.5 In. 14AWG material Tin, unsealed | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1000 | 🇺🇸 US 🇨🇦 CA | Female 0.5 20/22AWG material TinMemory package | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | WT1030 | 🇺🇸 US 🇨🇦 CA | Female 4.0 10/12AWG material Tin | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
MOTORCRAFT supplies the 15 Battery Terminal parts for the 2021 Ford F-600 Super Duty. MOTORCRAFT WT1002 carries the "Popular" badge.
Circuit Breaker
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | SW8879 | 🇺🇸 US 🇨🇦 CA | 58 Volt, 60 Amps, Yellow, Square | View on Amazon |
| MOTORCRAFT Popular Fits: 7.3L V8 | SW7926 | 🇺🇸 US 🇨🇦 CA | 125, 200 and 275 Amps. | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW8887 | 🇺🇸 US 🇨🇦 CA | Fuse, Blade Type, 32 Volt, 25 Amps, White | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW8876 | 🇺🇸 US 🇨🇦 CA | Fuse, 32 Volt, 15 Amps, Blue, 3 Blade Terminal | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW8889 | 🇺🇸 US 🇨🇦 CA | Fuse, 32 Volt, 3 Blade Terminal, 7.5 Amps, Brown | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW9203 | 🇺🇸 US 🇨🇦 CA | Rectangular Shape, 32 Volt, Female, Green, 40 Amp | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW9202 | 🇺🇸 US 🇨🇦 CA | Rectangular Shape, 32 Volt, Female, 20 Amps, Light Blue | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW9172 | 🇺🇸 US 🇨🇦 CA | Rectangular Shape, 32 Volt, Female, 25 Amps, White | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW9176 | 🇺🇸 US 🇨🇦 CA | Fuse, 32 Volt, Tan, 5 Amp, 3 Blade Terminal | View on Amazon |
This table covers the resettable circuit breakers in this vehicle's electrical system.
MOTORCRAFT supplies the 9 Circuit Breaker parts for the 2021 Ford F-600 Super Duty. MOTORCRAFT SW8879 carries the "Popular" badge.
Listed part numbers: MOTORCRAFT SW8879, MOTORCRAFT SW7926 and MOTORCRAFT SW8887, plus the other parts above.
Engine Control Module (ECM Computer) Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | ECMB7 | 🇺🇸 US 🇨🇦 CA | REAR COVER | View on Amazon |
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.
This group shows a single part: MOTORCRAFT ECMB7.
Fuse Block
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 7.3L V8 | MUSBT5 | 🇺🇸 US 🇨🇦 CA | 275, 200, 125 AmpsColor Pink | View on Amazon |
This table covers the fuse blocks that hold this vehicle's fuses.
This group shows a single part: BUSSMANN MUSBT5.
Fuse Box
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | HLS1 | 🇺🇸 US 🇨🇦 CA | Box Assembly - Fuse | View on Amazon |
This table covers the Fuse boxes.
This group shows a single part: MOTORCRAFT HLS1.
Fuse Box Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | HLSC15 | 🇺🇸 US 🇨🇦 CA | with Spare Accessory Switches | View on Amazon |
| DORMAN Fits: 7.3L V8 | 956148 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORCRAFT Fits: 7.3L V8 | HLSC13 | 🇺🇸 US 🇨🇦 CA | Fuse Panel, Bottom Cover Relay | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | HLSC14 | 🇺🇸 US 🇨🇦 CA | Engine Compartment | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | HLSC26 | 🇺🇸 US 🇨🇦 CA | Kentucky Truck Plant BuildOhio Assembly plant build | View on Amazon |
This table covers the Fuse Box covers.
5 Fuse Box Cover parts are listed for the 2021 Ford F-600 Super Duty, from MOTORCRAFT and DORMAN. MOTORCRAFT HLSC15 carries the "Popular" badge.
Listed part numbers: MOTORCRAFT HLSC15, DORMAN 956148 and MOTORCRAFT HLSC13, plus the other parts above.
Horn
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | HRN2 | 🇺🇸 US 🇨🇦 CA | Battery cable and horn | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
One part is listed for the 2021 Ford F-600 Super Duty — MOTORCRAFT HRN2.
Keyless Entry Remote
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 7.3L V8 | 99778ST | 🇺🇸 US 🇨🇦 CA | Requires Locksmith Or Additional Scan Tool To Program | View on Amazon |
This table covers the key fobs that lock, unlock and start the vehicle.
This group shows a single part: DORMAN 99778ST.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | WRS5 | 🇺🇸 US 🇨🇦 CA | Less Head up Display | View on Amazon |
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.
This group shows a single part: MOTORCRAFT WRS5.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 7.3L V8 | DY1287 | 🇺🇸 US 🇨🇦 CA | InputTransmission Speed | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | DY1520 | 🇺🇸 US 🇨🇦 CA | Inputfor 10R140 | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | DY1517 | 🇺🇸 US 🇨🇦 CA | without BracketFront | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | DY1372 | 🇺🇸 US 🇨🇦 CA | with Adaptive Speed Control | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | SC847 | 🇺🇸 US 🇨🇦 CA | InputTurbine | View on Amazon |
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.
5 Speed Sensor parts are listed for the 2021 Ford F-600 Super Duty, from MOTORCRAFT and STANDARD MOTOR PRODUCTS. MOTORCRAFT DY1287 carries the "Popular" badge.
Part numbers include MOTORCRAFT DY1287, MOTORCRAFT DY1520 and MOTORCRAFT DY1517, among others listed above.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SA1156 | 🇺🇸 US 🇨🇦 CA | OE Design | View on Amazon |
| WAI GLOBAL Fits: 7.3L V8 | 19359N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
2 Starter Motor parts for the 2021 Ford F-600 Super Duty come from 2 brands — MOTORCRAFT and WAI GLOBAL.
This group includes MOTORCRAFT SA1156 and WAI GLOBAL 19359N.
Buying Electrical Parts for a 2021 Ford F-600 Super Duty
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Every electrical 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery Terminal and Circuit Breaker .
Frequently Asked Questions
How many electrical parts fit the 2021 Ford F-600 Super Duty?
Our catalog currently lists 58 electrical parts for the 2021 Ford F-600 Super Duty across 16 subcategories and 13 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 parts differ between 2021 Ford F-600 Super Duty engines?
Yes. Every electrical 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 problems on a 2021 Ford F-600 Super Duty?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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-600 Super Duty 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-600 Super Duty?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Ford F-600 Super Duty
Electrical Parts for Other Ford F-600 Super Duty Years
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