The 2021 Ford F-650 has 18 ignition parts with verified fitment on this page — 7 part types and 5 brands, covering both the 6.7L V8 DIESEL Turbocharged and the 7.3L V8. Each part includes a manufacturer part number and application notes.
On the 2021 Ford F-650, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (6 parts), Ignition Lock Cylinder (3 parts) and Spark Plug Wire (3 parts). The other 4 part types cover the remaining 6 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 ignition parts are MOTORCRAFT (8 parts), STANDARD MOTOR PRODUCTS (7 parts) and FVP (1 part), plus 2 more brands. Quality grades include Economy, Premium and Standard Replacement.
2 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 STANDARD MOTOR PRODUCTS FD509T (Ignition Coil) and STANDARD MOTOR PRODUCTS FD509 (Ignition Coil). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | DU108 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | PC1233 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
2 Camshaft Position Sensor parts are listed for the 2021 Ford F-650, from MOTORCRAFT and STANDARD MOTOR PRODUCTS.
Part numbers include MOTORCRAFT DU108 and STANDARD MOTOR PRODUCTS PC1233.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | DY1677 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | PC1234 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
2 Crankshaft Position Sensor parts are listed for the 2021 Ford F-650, from MOTORCRAFT and STANDARD MOTOR PRODUCTS.
This group includes MOTORCRAFT DY1677 and STANDARD MOTOR PRODUCTS PC1234.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 7.3L V8 | FD509T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP Fits: 7.3L V8 | FD509F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 7.3L V8 | 2IGC0157 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM Fits: 7.3L V8 | C1116 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 7.3L V8 | FD509 | 🇺🇸 US 🇨🇦 CA | Blue Streak | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | DG587 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
6 Ignition Coil parts are listed for the 2021 Ford F-650, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS FD509T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS FD509T.
The Premium section lists 1 option from STANDARD MOTOR PRODUCTS — a step above OE specification in materials, tolerances or warranty terms. STANDARD MOTOR PRODUCTS FD509 is listed in this group.
The Standard Replacement section lists 1 option from MOTORCRAFT — built to original-equipment specification. MOTORCRAFT DG587 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS FD509T, FVP FD509F and HOLSTEIN 2IGC0157, plus the other parts above.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SW7905 | 🇺🇸 US 🇨🇦 CA | with Keys | View on Amazon |
| MOTORCRAFT Fits: 7.3L V8 | SW6991 | 🇺🇸 US 🇨🇦 CA | Ignition Repair Kit | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | US652L | 🇺🇸 US 🇨🇦 CA | without Keys | View on Amazon |
This table covers the lock cylinders in the ignition switch.
3 Ignition Lock Cylinder parts are listed for the 2021 Ford F-650, from MOTORCRAFT and STANDARD MOTOR PRODUCTS.
Listed part numbers: MOTORCRAFT SW7905, MOTORCRAFT SW6991 and STANDARD MOTOR PRODUCTS US652L.
Ignition Lock Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | SWH21 | 🇺🇸 US 🇨🇦 CA | Flange Steering Column Tube | View on Amazon |
This table covers the Ignition Lock housings.
This group shows a single part: MOTORCRAFT SWH21.
Ignition Pulsator Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | CRKR6 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Ignition Pulsator rings.
This group shows a single part: MOTORCRAFT CRKR6.
Spark Plug Wire
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 7.3L V8 | WR6170 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | 26942 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 7.3L V8 | 6942 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the Spark Plug wires.
3 Spark Plug Wire parts are listed for the 2021 Ford F-650, from STANDARD MOTOR PRODUCTS and MOTORCRAFT.
This group includes MOTORCRAFT WR6170, STANDARD MOTOR PRODUCTS 26942 and STANDARD MOTOR PRODUCTS 6942.
Buying Ignition Parts for a 2021 Ford F-650
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition 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, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Ignition Lock Cylinder .
Frequently Asked Questions
How many ignition parts fit the 2021 Ford F-650?
Our catalog currently lists 18 ignition parts for the 2021 Ford F-650 across 7 subcategories and 5 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 ignition parts differ between 2021 Ford F-650 engines?
Yes. Every ignition 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 ignition problems on a 2021 Ford F-650?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. 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, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Ford F-650
Ignition Parts for Other Ford F-650 Years
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