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2003 Nissan 350z
Key Replacement - Save vs Dealer in Ventura County

Locked Out? | Help is On the Way

Available
2003 Nissan 350z Remote Head Key
Remote Head Key

All keys lost is our specialty. While the dealer would require a tow and days of waiting, we arrive at your location and have a new key cut and programmed on the spot.

CA BSIS LICENSE LCO#6792
No Spare Needed We Come to You Key Made On-Site
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Nissan 350z car key service at your door in Santa Paula CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2003 Nissan 350z car key service at your door in Santa Paula CA
Key specialists
Zero Keys Needed
We program directly to your vehicle's computer
Fixed pricing
On-Site Key Cutting
New key cut from vehicle codes, not from a copy
Fast mobile service
Fast Recovery
Back on the road in 30-45 minutes from arrival
805 Special
10% OFFCODE:EZ-805-2026

🔥 All keys lost? Here's a discount 🔥

Valid even on after-hours lockouts
REDEEM (805) 790-8162

2003 Nissan 350z
Key Options

Dealer-grade key for a fair, honest price

Remote Head Key
Most popular Nissan key typeMost Popular
2003 Nissan 350z Remote Head Key CWTWB1U751
FCC IDCWTWB1U751Part #H0561-3AA0BButtons4BatteryCR1616Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2003 Nissan 350z Remote Head Key CWTWB1U751
FCC IDCWTWB1U751Part #H0561-3AA0BButtons4BatteryCR1616Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2003 Nissan 350z Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
On-site 2003 Nissan 350z smart key options from EZ Car Keyz Santa Paula CA
Skip the Dealer Markup
Professional key, honest rate
On-site 2003 Nissan 350z smart key options from EZ Car Keyz Santa Paula CA
🔧 PRO TIP
The 2003 350z remote head key runs on a CR1616 cell, which is a thinner coin cell than most people expect. Easy to grab the wrong one at the hardware store. The remote head key on this car combines the blade, the transponder, and the four-button remote all in one unit, so if the fob shell cracks or the blade wears down, the whole thing needs attention. Also: Nissan's immobilizer system on these registers all keys together in one session. If you show up with one key and need a second added, the system wipes whatever isn't present in that session. Bring every key you own. Every time.
Related services: Ignition Repair · Smart Key

Stranded? Dealer vs Mobile Locksmith

Emergency key replacement: mobile locksmith vs dealer

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
All keys lost is no problem for us
Book Service (805) 790-8162

2003 Nissan 350z Remote Head Key Replacement - Fast, Affordable & Professional

I was out in East Area 2 on a Tuesday afternoon, parked near the courts off the main stretch. The guy who called me had his 350z sitting there looking fine from the outside. The problem was his remote head key had stopped doing anything remotely useful. The blade still turned the ignition, but the four buttons were dead and the car wasn't responding. He had already swapped the battery himself. Still nothing.

He was watching me from a bench nearby, arms crossed, curious but not convinced.

First thing I did was pop the key open and check the contacts. The CR1616 he had put in was the right size, but the negative contact had a slight outward bow and wasn't making solid connection with the cell. That alone can kill the remote function even with a brand new battery. I seated it correctly, pressed the contacts down, and closed the shell back up.

One button press. Locks clicked. He stood up.

I still ran through everything, because that's the job. All four buttons. Remote range from across the lot. Three starts back to back. I also connected to the OBD port to verify the immobilizer was reading the key cleanly, because a contact fix doesn't tell you whether the transponder registration is solid. On a car this age, you want confirmation, not assumption.

Everything checked out. The immobilizer saw the key exactly as it should. He didn't need a new fob, didn't need programming, didn't need a trip across town to a dealer who would have taken two days to even look at it.

He said the dealer told him over the phone it would be at least that long just for the diagnostic appointment.

I was done in under twenty minutes.

Save vs the Dealer on Your Nissan 350z 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: Downtown Santa Paula · East Area 2 · Limoneira · East Santa Paula

Nissan 350z Rapid Response, Done Right

Rapid response in the field

On-site 2003 Nissan 350z car key programming in Santa Paula CA
Remote Head Key | Rapid On-Site Service
2003 Nissan 350z | Ventura County
On-site 2003 Nissan 350z car key programming in Santa Paula CA
2003 Nissan 350z Remote Head Key
2003 Nissan 350z
Remote Head Key | Rescue Key
Estimated arrival time to Santa Paula
Priority ETA
Rapid Arrival
Available Today
Service location Santa Paula
Santa Paula
Help Is Close
805 Area
Same-Day Keys (805) 790-8162

Nissan Keys: From Panic to Five Stars

Emergency rescues that earned five stars

E
Erick
Nov 2025
★★★★★

“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”

Google Review
H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
Watch real savings, real jobs62KFollowers
On-site 2003 Nissan 350z key service review - EZ Car Keyz Santa Paula CA
“Real savings, real reviews.”
On-site 2003 Nissan 350z key service review - EZ Car Keyz Santa Paula CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Nissan 350z Mobile Service FAQ

Real costs, no dealer surprises

My key broke off in the ignition. Can you get it out?
Yes, broken key extraction is a standard call for me. I carry the tools to pull the fragment out without tearing up the ignition cylinder. That said, once a key snaps off inside a cylinder this age, the wafers inside sometimes take damage from the break or from someone trying to fish it out with the wrong tool. If the cylinder feels rough after extraction, it may need replacement sooner rather than later. Once the fragment is out, I can decode the cut from what's left of it, cut a new blade, and get the transponder registered on the spot. No tow, no waiting on parts to be ordered. One visit handles the whole thing.
What exactly is a remote head key, and what does it mean for replacement?
My 350z is showing a key warning on the dash. Where do I start?
I bought a replacement fob online for my 2003 350z. Can I program it myself?
Only some buttons on my 350z fob work. Is the fob dying or is something else going on?
Questions? Call (805) 790-8162

Nissan 350z Key Service Areas

Locked out anywhere? We respond fast

📍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
2003 Nissan 350z car key service coverage in Ventura County CA
2003 Nissan 350z car key service coverage in Ventura County CA
Stranded in Ventura County? We respond fast

Lost your keys? We’ll come to wherever the car is

SOS Call (805) 790-8162
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Nissan 350z car key replacement video
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All Nissan 350z Keys Lost? No Problem

No working key required. Our technicians program directly to your vehicle.

We come to you for 2003 Nissan 350z car key - EZ Car Keyz Santa Paula CA
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