The 2002–2004 Nissan Altima takes a double-DIN or single-DIN aftermarket stereo with the right dash kit (Metra 99-7418) and wiring harness. Speaker sizes that fit: 6x9" rear deck, 6.5" or 6-3/4" front doors, tweeter front pillars. Audio MotorSports in Carson stocks stereos and speakers that fit and installs them in its own bay, often the same day.
Call, text or come by for your exact price and package deals.
Pick your exact year and trim in Shop by vehicle; we confirm the fit before you buy.
Install notes for the 2002–2004 Nissan Altima
Dash kit and wiring: Metra 99-7418 (single-DIN with pocket).
Some trims have factory Bose premium sound, which can wire differently; we check your trim before you buy.
Front doors take 6.5" or 6-3/4" speakers, and we stock both sizes.
Local pickup and install in Carson
In-store pickup at 22025 S Avalon Blvd Ste A, Carson. Paid at the shop. Buy now, pay later with the Payment Plan (Synchrony, Zelle, Venmo, PayPal, crypto, credit cards over the phone).
Sizes marked "Confirm at the shop" are ones our sources do not agree on yet, or that change by trim or premium audio. We confirm before you buy. Fit data checked against Crutchfield vehicle research and Metra dash kit and speaker guides and published vehicle fitment data.
2002–2004 Nissan Altima stereo and speaker fit: questions
What size speakers are in the 2002–2004 Nissan Altima?
6x9" rear deck, 6.5" or 6-3/4" front doors, tweeter front pillars. We stock speakers in these sizes in Carson and install them.
Will a double-DIN stereo fit the 2002–2004 Nissan Altima?
Yes. A double-DIN stereo fits with the right dash kit (Metra 99-7418) and wiring harness, which we put in at install.
Does the 2002–2004 Nissan Altima have a premium sound system?
Some trims have factory Bose premium sound, which can wire differently. We check your trim before you buy.
Can we install it?
Yes. Bring the 2002–2004 Nissan Altima to 22025 S Avalon Blvd Ste A, Carson. We confirm the trim and install in our own bay, often the same day. Text or call us.