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2003 Subaru Impreza parts

Common replacement parts for the 2003 Subaru Impreza, what usually wears out, a general maintenance schedule, and where to shop. Parts can differ by engine, trim and build date, so confirm fitment with your VIN before you buy.

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Popular parts

Brakes

Ignition & Starting

Electrical & Charging

Cooling

Belts & Pulleys

Serpentine Belt

Engine

Fuel System

Air Intake & Turbo

Maintenance

Exhaust & Emissions

Catalytic Converter

Sensors & Modules

Steering

Outer Tie Rod End

Suspension

Drivetrain & Axles

CV Axle Shaft

Heating & A/C

Lighting

Body & Exterior

Wiper Blades

General maintenance schedule

These are common starting intervals, not a factory schedule for your engine. Your owner's manual always wins.

Engine oil & filter	Every 5,000 miles or 6 months Use the oil grade and spec in your owner's manual. Some engines allow longer.
Tire rotation	Every 7,500 miles or 6 months Also a good time to check tread depth and pressures.
Brake inspection	Every 12,000 miles or 1 year Pads, rotors, lines and fluid level.
Cabin air filter	Every 15,000 miles or 1 year Sooner if the airflow smells musty or feels weak.
Engine air filter	Every 20,000 miles or 2 years Sooner on dusty or gravel roads.
Wiper blades	Every 1 year
12V battery test	Every 3 years Most 12V batteries last 3 to 5 years. Test before winter.
Brake fluid flush	Every 30,000 miles or 2 years Brake fluid absorbs moisture over time.
Spark plugs	Every 60,000 miles Iridium or platinum plugs often go 100,000 miles. Check the manual.
Transmission fluid	Every 60,000 miles Interval varies a lot by transmission. Check the manual.
Coolant flush	Every 60,000 miles or 5 years Some long-life coolants go 100,000+ miles.
Serpentine belt	Every 90,000 miles Inspect for cracks at every oil change.
Timing belt (if equipped)	Every 90,000 miles or 7 years Skip if your engine has a timing chain. Check the manual.

Safety recalls

NHTSA lists 6 recalls for the 2003 Subaru Impreza. Recalls apply by model year, and not every vehicle of that year is affected. Check your own VIN at nhtsa.gov/recalls.

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM (11V464000): SUBARU IS RECALLING CERTAIN MODEL YEAR 2002-2007 IMPREZA, MODEL YEAR 2003-2008 FORESTER, AND MODEL YEAR 2005-2006 SAAB 9-2X VEHICLES MANUFACTURED FROM SEPTEMBER 5, 2000 THROUGH NOVEMBER 26, 2007 ORIGINALLY SOLD, OR CU…
LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH (08V135000): SUBARU IS RECALLING 36,791 MY 2002-2003 IMPREZA WAGONS. THE STUD BOLT(S) OF REAR GATE STAY MAY HAVE BEEN TIGHTENED WITH INSUFFICIENT TIGHTENING TORQUE AND A GAP MAY HAVE RESULTED BETWEEN THE REAR GATE PANEL AND STUD …
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP (09V468000): SUBARU IS RECALLING CERTAIN MODEL YEAR 2002 AND 2003 IMPREZA WRX VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF SOUTH DAKOTA, NEBRASKA, NORTH DAKOTA, MINNESOTA, IDAHO, IOWA, MONTANA, COLORADO, WI…
VEHICLE SPEED CONTROL:CABLES (04V128000): ON CERTAIN PASSENGER SEDANS, WAGONS, AND SPORT UTILITY VEHICLES, THE CRUISE CONTROL CABLE COULD COME OUT OF ITS TRACK ON THE CRUISE CONTROL LEVER AND LODGE ON THE CONTROL LEVER TAB WHEN THE ACCELERATOR PEDAL IS RELEAS…
SEATS (04V342000): ON CERTAIN SEDAN AND WAGON MODEL VEHICLES, THE LEFT FRONT BOLT THAT RETAINS THE FORWARD PART OF THE DRIVER'S SEAT TO THE SEAT SLIDE RAIL MAY LOOSEN. IF THE SEAT SLIDE RAIL BOLT LOOSENS, IT WILL EVENTUALLY FALL OUT, A…
POWER TRAIN:AUTOMATIC TRANSMISSION (02V282000): CERTAIN SPORT UTILITY AND PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS WERE PRODUCED WITH AN IMPROPERLY MANUFACTURED TRANSMISSION PARKING ROD. WHEN THE TRANSMISSION SELECTOR LEVER IS PLACED IN THE "P" (…

Other Subaru Impreza years

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