Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!
Help me findSearch
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Nissan Altima car and truck repair procedures including Nissan engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Nissan Altima automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Nissan Altima

  • 2003 Nissan Altima 2.5 L4 GAS, CC:2500, Fuel Injection
  • 2003 Nissan Altima 3.5 V6 GAS, CC:3498, Fuel Injection

COMPONENT LOCATION DIAGRAMS FOR 2003 Nissan Altima AUTOMOBILES

Component location diagrams for most 2003 Nissan Altima cars and light trucks sold in the U.S. from 1990+.

NVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASNVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

Components on diagram:
  • ECM
  • Security Indicator Lamp
  • Immobilizer Control Unit
  • Connector C-10A
  • M27
  • Headlamp Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASHeadlamp Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Data Link Connector
  • Combination Switch
  • Key Lock Solenoid
  • Key Switch
  • BCM
  • Ground Location Diagram for 2003 Nissan Altima  2.5 L4 GASGround Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Ground M61
  • Instrument Panel Wire Harness Diagram for 2003 Nissan Altima  2.5 L4 GASInstrument Panel Wire Harness Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Data Link Connector
  • Glove Box Lamp
  • Combination Switch
  • Key Lock Solenoid
  • Cigarette Lighter
  • Passenger Compartment Components Diagram for 2003 Nissan Altima  2.5 L4 GASPassenger Compartment Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • ECM
  • Blower Relay
  • BCM
  • Fuse Block
  • Junction Block
  • Shift Lock System Electrical Parts Location Diagram for 2003 Nissan Altima  3.5 V6 GASShift Lock System Electrical Parts Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Shift Lock Solenoid
  • Stop Lamp Switch
  • Key Lock Solenoid
  • Key Switch
  • Shift Lock Control Unit
  • Power Window System and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASPower Window System and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • BCM
  • Junction Block
  • Power Window Motor
  • Door Lock/Unlock Switch
  • Door Key Cylinder Switch
  • Auto Light System Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASAuto Light System Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Data Link Connector
  • Combination Switch
  • Key Lock Solenoid
  • Key Switch
  • BCM
  • Body Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASBody Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Wheel Sensor
  • High Mounted Stop Lamp
  • Seat Belt Buckle Switch
  • Door Switch
  • Subwoofer
  • Room Lamp Wire Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASRoom Lamp Wire Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Sunroof Switch
  • Spot Lamp
  • Sunroof Motor Assembly
  • Vanity Mirror Lamp
  • Room Lamp
  • CLICK HERE TO GET FULL ACCESS TO 2003 Nissan Altima PARTS/COMPONENTS LOCATION DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1999 Nissan Altima Bumper Trim, Front1999 Nissan Altima Bumper Trim, Front, Includes mounting hardware; With emblem provision; Made from tough impact-resistant plastic for maximum durability and tensile strength; Built to exact OE quality, fit, and finish; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $22.54

    Click here to view more details about 1997 Nissan Altima Turn Signal Light, Passenger Side1997 Nissan Altima Turn Signal Light, Passenger Side.

    Source: Auto Body Parts Store

    $13.58

    Click here to view more details2004 Nissan Altima Head Light Assembly Driver Side, Head Light Assembly Driver Side; Without HID; Includes Park/Turn Signal Lights, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $81.50

    Click here to view more details1993 Nissan Altima L4, 2.4 L, 2389 CC Rebuilt Engine, "SOHC, 12 valve, Dist mounts in timing cover, dipstick by #4,, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,745.00

    Click here to view more details2009 Nissan Altima Used Ignition Switch W/Key, (push button switch), non-Hybrid, Very Good.

    Source: Used Auto Parts Store

    $55.00

    Click here to view more details2007 Nissan Altima Used Bumper Bar, Front, 4DR, CHA, S BAR ONLY, Very Good.

    Source: Used Auto Parts Store

    $135.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2003 Nissan Altima vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find