VENTURA COUNTY
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Fast Response Locksmith

2003 Ford Mustang
Key Replacement - Save vs Dealer in Ventura County

At Your Door | Home, Work, or Roadside

Available
2003 Ford Mustang Transponder Key
Transponder Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
Mobile Service No Dealer Trip At Your Location
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Ford Mustang lost key replacement options from EZ Car Keyz Thousand Oaks CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2003 Ford Mustang lost key replacement options from EZ Car Keyz Thousand Oaks CA
Key specialists
Mobile Service
Our van carries everything - no shop visit needed
Fixed pricing
On Your Schedule
Same-day appointments, 7 days a week
Fast mobile service
One-Visit Solution
Key cut and programmed in a single visit
805 Special
10% OFFCODE:EZ-805-2026

🔥 We come to you, save even more 🔥

We bring the savings to your location
REDEEM (805) 790-8162

2003 Ford Mustang
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Ford key typeMost Popular
2003 Ford Mustang Transponder Key
FCC IDPart #H72-PTButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Ford Mustang Remote CWTWB1U331
FCC IDCWTWB1U331Part #15K601 5350 9352 9138Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Key
2003 Ford Mustang Key
FCC IDPart #PART NUMBER: 164-R0479ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2003 Ford Mustang Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2003 Ford Mustang replacement key fob with no original from EZ Car Keyz Thousand Oaks CA
Skip the Dealer Markup
Professional key, honest rate
2003 Ford Mustang replacement key fob with no original from EZ Car Keyz Thousand Oaks CA
🔧 PRO TIP
The 2003 Mustang runs a transponder turn-key system, no fob, no proximity entry, just a chipped key in an ignition cylinder. Ford's immobilizer on these reads the transponder at startup and either lets the engine run or kills fuel and spark. The system does have an onboard add-a-key relearn sequence, but it only works when you already have at least one working programmed key in hand. The moment you're all-keys-lost, that shortcut is gone and you need a programmer to wipe the module and start fresh. A lot of owners don't find that out until they're already stranded. Worth knowing before you're in that spot.
Related services: Ignition Repair · Smart Key

Skip the Dealer Trip

See why mobile key service beats the dealer trip

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
We bring the shop to you
Book Service (805) 790-8162

2003 Ford Mustang Transponder Key Replacement - Fast, Affordable & Professional

She was at a restaurant near The Oaks Mall Area in Thousand Oaks and her purse was gone. Someone grabbed it off the back of her chair while she was looking at the menu. Car keys, house keys, wallet, phone, all of it. She borrowed the hostess's phone and called the police first, then her husband, then me.

Her 2003 Ford Mustang was sitting in the restaurant parking lot with no keys anywhere. The dealer told her husband they could order a key but it would take three to five business days, the car would have to be towed to them, and they recommended rekeying the locks since whoever took the purse had a working key to the car. The combined estimate was not a small number.

All-keys-lost on these is a different job than adding a spare. When a working key already exists, the car trusts it and you're just adding a second one to the list. AKL means you wipe the entire key memory so the stolen key becomes useless to the immobilizer, then you program fresh keys from zero. I accessed the security module through the OBD port, cleared all stored key data, and programmed two new transponder keys on site. Cut both blades to the vehicle, tested them at the ignition, tested the doors.

She was still on the phone with the police report when both keys were done.

She drove home that night instead of waiting three days. The stolen key can still physically enter the lock, but the immobilizer doesn't recognize it anymore and the engine won't run. The dealer comparison came up on its own when her husband mentioned the estimate. I told him what we charged. He went quiet for a second, then said they would have also paid for a tow on top of everything.

She had two keys. The old one was dead to the car.

Save vs the Dealer on Your Ford Mustang Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Botanic Garden Area · Casa Conejo · Conejo Oaks · Dos Vientos

Ford Mustang Rapid Response, Done Right

Rapid response in the field

Lost 2003 Ford Mustang key replacement by EZ Car Keyz in Thousand Oaks CA
Transponder Key | Rapid On-Site Service
2003 Ford Mustang | Ventura County
Lost 2003 Ford Mustang key replacement by EZ Car Keyz in Thousand Oaks CA
2003 Ford Mustang Transponder Key
2003 Ford Mustang
Transponder Key | Made at Your Door
Estimated arrival time to Thousand Oaks
We Come to You
Rapid Arrival
Available Today
Service location Thousand Oaks
Thousand Oaks
We Come Here
805 Area
Same-Day Keys (805) 790-8162

What Mobile Service Feels Like

Reviews from customers who stayed home

R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
f
frankborja25
Dec 2019
★★★★★

“We had one broken key for our Honda Civic and one working key for our Lexus. Tim came out and cut three remote car keys at a great price. All keys worked perfectly. Professional, courteous, and highly recommended.”

Google Review
I
Incognitomlo88
Jul 2025
★★★★★

“Tim was GREAT. I honestly swear he must have had my keys made before he even showed up. The entire process was insanely fast, from the initial phone call to having the keys in my hand. No one will beat the pricing, efficiency, or outstanding service.”

Google Review
Watch real savings, real jobs62KFollowers
Customer review after losing 2003 Ford Mustang key - EZ Car Keyz Thousand Oaks CA
“Real savings, real reviews.”
Customer review after losing 2003 Ford Mustang key - EZ Car Keyz Thousand Oaks CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Ford Mustang Mobile Service FAQ

Real costs, no dealer surprises

How much does a 2003 Ford Mustang key replacement cost?
We don't post prices on the page because the job details change the number, but it's a fraction of what the dealer will quote. The dealer typically breaks the job into separate line items: the key blank, a cutting fee, a programming fee, and sometimes a diagnostic or security access charge. Those add up fast, and that's before a tow if the car isn't drivable. With us, one price covers the key, the cut, the programming, and the mobile service to your location in Thousand Oaks. Call for the actual number. No separate line items, no surprises when we're done.
Is a mobile locksmith cheaper than the Ford dealer for a transponder key?
Does the price include cutting and programming, or are those separate?
I have one working key for my 2003 Mustang. Can I program a second one myself at home?
My 2003 Mustang starts and runs fine, but I bought a replacement transponder key and it won't start the car. What's wrong?
Questions? Call (805) 790-8162

Ford Mustang Key Service Areas

Mobile service across the full region

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Emergency 2003 Ford Mustang locksmith service area in Ventura County CA
Emergency 2003 Ford Mustang locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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Ford Mustang car key replacement video
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Ford Mustang Key Made at Your Location

Skip the dealer trip. We bring everything to cut and program your key where you are.

Lost your 2003 Ford Mustang key? Call EZ Car Keyz Thousand Oaks CA now
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