2003 Ford Mustang Ignition Switch 40550
Product Details
$0Part Number
40550
Vehicle
2003 Ford Mustang
Description
Fitment & Buyer Verification
This ignition switch is an electric switch only, designed as a direct replacement for 1994–2004 Ford Mustang models, including the 2003 year. It fits various engine types such as 3.8L V6, 3.9L V6, 4.6L (SOHC/DOHC, naturally aspirated or supercharged), 5.0L V8, 5.4L, and 5.8L engines, and is compatible with both manual and automatic transmissions.
Vehicle Compatibility
Use these records to confirm the vehicle match before purchase.
| Check | What to verify | Buyer action | Basis |
|---|---|---|---|
| Model Year | 1994-2004 Ford Mustang | Confirm this detail before ordering. | |
| Engine Compatibility | 3.8L V6, 3.9L V6, 4.6L SOHC/DOHC, 5.0L V8, 5.4L, 5.8L | Confirm this detail before ordering. | |
| Transmission Compatibility | Manual and Automatic (4R70W/AOD-E, T5OD, Tremec T56, etc.) | Confirm this detail before ordering. |
Configuration Details
Match trim, equipment, and listing-specific details against your vehicle.
| Check | What to verify | Buyer action | Basis |
|---|---|---|---|
| Part Number | F4DZ-11572-B | Verify that this OEM part number matches your vehicle’s requirements before ordering. | |
| Switch Type | Electric switch only | Confirm that you require the electric switch only without lock cylinder or keys. |
Included Component Checks
Review what appears to be included and what still needs confirmation.
| Component | Status | Note | Confidence |
|---|---|---|---|
| Ignition switch (electric switch only) | confirmed | This listing is for the electric switch component only, excluding lock cylinder and keys. | High |
Buyer Verification Checklist
- Confirm your vehicle’s model year is between 1994 and 2004 Ford Mustang.
- Verify engine and transmission type compatibility with the OEM part number F4DZ-11572-B.
- Ensure the part is the electric switch only, without lock cylinder or keys, if that matches your needs.
- Use VIN or official Ford parts catalog to confirm exact fitment.
- Inspect any used or aftermarket part’s pin and connector configuration against your factory part.
Condition & Inspection Notes
- Check for any physical damage or wear on the switch contacts and connectors.
- Verify the mounting points and electrical connectors match your vehicle’s factory specifications.
- Ensure the switch operates smoothly without sticking or intermittent contact.
Product Fitment FAQs
No, this listing is for the electric switch only and does not include the lock cylinder or keys.
It is compatible with multiple engine types including 3.8L V6, 3.9L V6, 4.6L SOHC/DOHC, 5.0L V8, 5.4L, and 5.8L engines, but you should verify your specific engine and transmission before ordering.
Yes, this ignition switch fits both manual and automatic transmissions commonly found in 1994–2004 Mustangs.
References
- Genuine 2003 Ford Mustang Ignition Switch Assembly (part F4DZ‑11572‑B) · FordPartsGiant.com
- Used OEM Ignition Switch W/Key for 2003 Ford Mustang (electric switch only) · AllUsedParts.com
Dealer Information
Dealer area: Opa Locka, FL. Exact dealer coordinates are unavailable; call to confirm the address.
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