2003 Subaru Impreza Engine Parts
Select Your Submodel
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Engine Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Timing Belts
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Oil Catch Cans
- Balance Shafts
- Throttle Bodies
- Motor Oils
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Mitsuboshi®Multi-Rib Serpentine BeltSubaru Impreza with A/C 2003, Multi-Rib Serpentine Belt by Mitsuboshi®. Do you hear chirping or squealing noise? Has the "power" disappeared from your steering? Does your engine crank slowly and are your lights dim? You may need...Made with precision and quality in mindDesigned to meet your specific needs$9.96 - Anchor®Engine Mount KitSubaru Impreza Automatic Transmission 2003, Engine Mount Kit by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$69.64
- Anchor®Front Driver Side Engine MountSubaru Impreza 2.5L 2003, Front Driver Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$11.80
- Dorman®HELP™ Engine Oil Dipstick without Bracket & TubeSubaru Impreza Outback / RS / TS 2003, HELP™ Engine Oil Dipstick without Bracket & Tube by Dorman®. This replacement engine oil dipstick is a direct replacement for a damaged or missing original equipment dipstick. Level marks are...Ideal replacement - this engine oil dipstick matches the fit and function of the original equipment dipstick to ensure a dependable replacementQuality construction - this dipstick is made of the same materials as the original equipment dipstick for reliable service$12.94
- Spectra Premium®New Design Engine Oil Pan without GasketsSubaru Impreza 2.5L 2003, New Design Engine Oil Pan without Gaskets by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Made with precision and quality in mindDesigned to meet your specific needs$96.62
- SKP®Engine Oil PanSubaru Impreza 2.5L 2003, Engine Oil Pan by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$39.34
- TRQ®Camshaft Position SensorSubaru Impreza 2003, Camshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$23.70 - $28.78$24.95 - $30.95Save up to 7%
- TRQ®Crankshaft Position SensorSubaru Impreza Outback 2003, Crankshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.83$27.95Save $1.12 (4%)
- Mitsuboshi®Timing BeltSubaru Impreza 2.5L 2003, Timing Belt by Mitsuboshi®. The timing belt is a synchronized transmission belt that transmits power when the belt and pulley establish teeth meshing. The noise level is lower compared to chain and gear....Made with precision and quality in mindDesigned to meet your specific needs$52.64
- Dorman®Autograde™ Engine Oil Drain PlugSubaru Impreza 2003, Autograde™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed to provide a perfect fit for a hassle free installation, this...Oil Drain Plugs are designed and constructed to strict engineering quality standardsThe finest quality at a great price$2.37 - $13.55
- Gates®Micro-V™ V-Ribbed BeltSubaru Impreza 2.5L 2003, Micro-V™ V-Ribbed Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in service...Special belt construction eliminates belt noise, reduces tension loss, and solves problem drive applicationsUtilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat-resistant EPDM materials$15.56 - $19.19
- Westar®Front Engine MountSubaru Impreza 2.5L 2003, Front Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line engine...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$15.83
- Gates®DriveAlign™ Drive Belt Idler PulleySubaru Impreza 2.5L 2003, DriveAlign™ Drive Belt Idler Pulley by Gates®. Built to last by resisting dirt, salt, and other under-hood contaminants and are designed for use on passenger cars and light trucks as a locked center...High quality construction provides high durability for long lifeBearing meets or exceeds OE and is designed for application specific speed and load requirements$31.39
- Genuine®Driver Side Valve CoverSubaru Impreza 2.5L 2003, Driver Side Valve Cover by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium...Made with precision and quality in mindDesigned to meet your specific needs$98.61
- TRQ®Oil Pressure SensorSubaru Impreza with Oil Pressure Light 2003, Oil Pressure Sensor by TRQ®. If your vehicle has symptoms of a bad cylinder head, replace it with a cost-efficient solution by TRQ. Built to optimize your driving experience, this product is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$16.87$17.95Save $1.08 (6%)
- Apex Auto®Cylinder Head Gasket SetSubaru Impreza 2.5L 2003, Cylinder Head Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and...Quick accurate delivery with excellent fill-rateExcellent inventory availability$127.00
- ACDelco®Professional™ Timing Belt & Water Pump KitSubaru Impreza 2.5L 2003, Professional™ Timing Belt & Water Pump Kit by ACDelco®. The ACDelco Professional, premium aftermarket Timing Component Kit with Water Pump provides a total solution for most applications, including belts,...Provides ease of part sourcing for great convenienceProfessional, premium aftermarket replacement$355.44
- Kobra®Serpentine BeltSubaru Impreza 2003, Serpentine Belt by Kobra®. Kobra belts are the aftermarket precision engineered for perfect fit, form and function with a true OE fit. New construction and compounding improves durability for a longer lasting,...Exclusive USA-engineered Neoprene formula to ensure durability and less wear no matter the temperatureKobra advanced formula create a more flexible and cooler running belt, greatly extending the serpentine belt life$3.25 - $4.12
- Enginetech®Crankshaft Main Bearing SetSubaru Impreza EJ251 Engine 2003, Crankshaft Main Bearing Set by Enginetech®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$20.63 - $25.34
- PERRIN Performance®Pitch Stop MountSubaru Impreza 2003, Pitch Stop Mount by PERRIN Performance®. Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop mount. Subaru's with power and drivetrain upgrades will need PERRIN's more aggressive...Reduces drivetrain movements under hard accelerationAdds power to the wheels by eliminating lost energy$99.45
- Torque Solution®Billet Pitch Stop Tranny MountSubaru Impreza 2003, Billet Pitch Stop Tranny Mount by Torque Solution®. This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art technology and with customers in mind. It will meet...Eliminates wheel hop / traction lossImproved 60fts$105.50
- Torque Solution®Billet Solid Pitch Stop Tranny MountSubaru Impreza 2003, Billet Solid Pitch Stop Tranny Mount by Torque Solution®. This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art technology and with customers in mind. It will...Solid Billet 6061-T6 AluminumBlack anodized / Torque Solution Laser engraved$94.95
- SKP®Timing CoverSubaru Impreza 2.5L 2003, Timing Cover by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$19.71 - $23.58
- King Engine Bearings®XP-Series 4 Pairs Connecting Rod Bearing SetSubaru Impreza EJ251 Engine 2003, XP-Series 4 Pairs Connecting Rod Bearing Set by King Engine Bearings®. pMax Black™ is a unique tri-metal structure for race applications. The overlay is strengthened by a proprietary nano-scaled...No more multiple set purchases or "fishing" for bearings to reach right clearanceNo need to grind cranks "fat" or "thin"$40.57 - $46.02
- Agility®Engine Oil PanSubaru Impreza 2.5L 2003, Engine Oil Pan by Agility®. Agility products have gone through extensive development and testing to insure the products they sell to meet the expectations of their customers and market satisfaction.Meets or exceeds OE manufacturer's specifications100% performance and fit-tested$38.02
- iD Select®Front Engine MountSubaru Impreza 2.5L 2003, Front Engine Mount by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$17.69
- Dorman®OE Solutions™ Regular Grade Type Harmonic Balancer Assembly KitSubaru Impreza 2.5L 2003, OE Solutions™ Regular Grade Type Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat,...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$98.98
- Dorman®OE Solutions™ Engine Oil PanSubaru Impreza 2.5L 2003, OE Solutions™ Engine Oil Pan by Dorman®. Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.Direct replacement - this engine oil pan is made to match the original pan on specific vehiclesComplete assembly - includes replacement pan and drain plugs to match original components$76.43
- Spectra Premium®Crankshaft Position SensorSubaru Impreza 2003, Crankshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$24.01
- DEA®Front Driver Side Engine MountSubaru Impreza 2.5L 2003, Front Driver Side Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car...Designed to meet or exceed OE specificationsConstructed to deliver consistent performance$18.74
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2003 Subaru Impreza Engine Reviews
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Posted by Liam (Houston, TX) / June 13, 20242003 Mitsubishi Outlander
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