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2004 Nissan Sentra
Key Replacement - Save vs Dealer in Ventura County

Dealer Alternative | Better Price

Available
2004 Nissan Sentra Transponder Key
Transponder Key

Why pay $400+ at the dealer when you can get the exact same OEM-spec key for a fraction of the cost? EZ Car Keyz delivers professional key replacement at prices that make sense.

CA BSIS LICENSE LCO#6792
Real Savings Same OEM Parts Honest Rate
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2004 Nissan Sentra key replacement cost - EZ Car Keyz Port Hueneme CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2004 Nissan Sentra key replacement cost - EZ Car Keyz Port Hueneme CA
Key specialists
Best Price Guaranteed
Specialized in keys only - no overhead markups
Fixed pricing
No Hidden Fees
Key + cutting + programming all included in one price
Fast mobile service
We Come to You
Mobile service at no extra charge, 15-25 min
805 Special
10% OFFCODE:EZ-805-2026

🔥 Hundreds off your next car key 🔥

Good for any key, fob, or remote
REDEEM (805) 790-8162

2004 Nissan Sentra
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Nissan key typeMost Popular
2004 Nissan Sentra Transponder Key
FCC IDPart #K-NI02TButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2004 Nissan Sentra Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Budget 2004 Nissan Sentra key fob options from EZ Car Keyz Port Hueneme CA
Skip the Dealer Markup
Professional key, honest rate
Budget 2004 Nissan Sentra key fob options from EZ Car Keyz Port Hueneme CA
🔧 PRO TIP
The 2004 Sentra uses a transponder key that communicates with the immobilizer through a ring antenna around the ignition cylinder. If the car cranks but immediately dies, or won't crank at all while the security light stays solid, the immobilizer didn't recognize the key. That can be a failed transponder chip inside the key head, a damaged antenna ring, or a key that was never properly enrolled. Before assuming the worst, check the antenna ring for cracking or a broken wire at the connector. That ring takes a beating on older Sentras and is often the real culprit when a known-good key suddenly stops working.
Related services: Ignition Repair · Smart Key

2004 Nissan Sentra Price Breakdown

Dealer cost vs our cost - you decide

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
Why pay dealer markup for the same result?
Book Service (805) 790-8162

2004 Nissan Sentra Transponder Key Replacement - Fast, Affordable & Professional

Parked on J Street Corridor, a 2004 Sentra that hadn't moved in about four days. The owner had a key, it just wouldn't start the car. Turned over fine, then died immediately. Security light was doing the solid-on thing, not flashing, just sitting there.

She had looked it up online and convinced herself the immobilizer module was dead. That would have been a real problem. But I wanted to check the simpler stuff first before we went down that road.

The transponder chip inside the key head was cracked. You could barely see it without pulling the plastic cover off the key, but once you did, there it was. The chip had separated enough that it wasn't communicating with the antenna ring during start. The ring itself checked out fine.

Cut a new key blade to match her locks and ignition, enrolled the fresh transponder, and tested it three times cold before I packed up. Car started without hesitation every time.

She had already called the dealer. They wanted her to tow it in, run a full diagnostic, and the key itself was a separate line item on top of that. I did the whole job in her parking spot in about twenty minutes for a fraction of what they quoted before the tow was even added.

Save vs the Dealer on Your Nissan Sentra 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: Hueneme Beach · J Street Corridor · South Surfside

Nissan Sentra Rapid Response, Done Right

Rapid response in the field

Affordable 2004 Nissan Sentra key replacement by EZ Car Keyz in Port Hueneme CA
Transponder Key | Rapid On-Site Service
2004 Nissan Sentra | Ventura County
Affordable 2004 Nissan Sentra key replacement by EZ Car Keyz in Port Hueneme CA
2004 Nissan Sentra Transponder Key
2004 Nissan Sentra
Transponder Key | Programmed for Less
Estimated arrival time to Port Hueneme
Quick & Affordable
Rapid Arrival
Available Today
Service location Port Hueneme
Port Hueneme
Best Rate Here
805 Area
Same-Day Keys (805) 790-8162

Honest Pricing, Honest Reviews

Customers who skipped the dealer markup

J
Jennifer R.
Feb 2024
★★★★★

“The dealership quoted me $600 for a new Honda key. EZ Car Keyz did it for $225, same day, cut and programmed at my house. Works perfectly. Everyone should know this is an option.”

Yelp Review
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
Watch real savings, real jobs62KFollowers
Customer review showing savings on 2004 Nissan Sentra key by EZ Car Keyz Port Hueneme CA
“Real savings, real reviews.”
Customer review showing savings on 2004 Nissan Sentra key by EZ Car Keyz Port Hueneme CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Nissan Sentra Mobile Service FAQ

Real costs, no dealer surprises

Do I need to bring my 2004 Nissan Sentra somewhere for key replacement?
No. Everything gets done at your location. I come to wherever the car is parked in Port Hueneme, including the J Street Corridor, with the key blank, cutting equipment, and programming tools already loaded. Nissan dealers need the car physically in their service bay to connect their diagnostic system, which means a tow if you have no working key. I handle the same process on site. Your car stays put the entire time.
How does mobile key replacement work for a 2004 Sentra?
What do I need to have ready when you show up?
The security light stays on after I turn the key. Is the immobilizer dead or is it the key?
I bought a replacement key blank online. Can you just program that one?
Questions? Call (805) 790-8162

Nissan Sentra Key Service Areas

Same fair price, every city

📍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
Affordable 2004 Nissan Sentra locksmith service area in Ventura County CA
Affordable 2004 Nissan Sentra locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

Free mobile service to all listed cities - no trip fees

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Nissan Sentra car key replacement video
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Why Overpay? Get Your Nissan Sentra Key Today

OEM parts, professional programming, and a price that respects your wallet.

Best price 2004 Nissan Sentra car key replacement by EZ Car Keyz Port Hueneme CA
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