2003 Subaru Impreza Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- 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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Anchor®Front Passenger Side Engine MountSubaru Impreza 2.5L 2003, Front Passenger 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$13.27 - Gates®PowerGrip™ Timing Belt KitSubaru Impreza 2.5L 2003, PowerGrip™ Timing Belt Kit by Gates®. Gates PowerGrip™ Kits Plus Water Pump includes all the same OE components as their PowerGrip Kits. The timing belt-driven water pumps should always be replaced at the...Vehicle-specific components added as required, including instructions, bolts, tools, technical service bulletins, tensioner springs, gaskets and moreWater pumps are designed and built for long-lasting, efficient cooling$233.67 - $258.16
- ACDelco®Spin-On Engine Oil FilterSubaru Impreza 2.5L 2003, Spin-On Engine Oil Filter by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...Made with precision and quality in mindDesigned to meet your specific needs$6.16Save: $0.96 (16%)$5.20
- K&N®Performance Gold™ Wrench-Off Oil FilterSubaru Impreza 2.5L 2003, Performance Gold™ Wrench-Off Oil Filter by K&N®. Originally developed for demanding race applications, K&N's Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy...The drilled hole on the nut provides for safety wire attachmentOil filters also use a resin impregnated cellulose filter media$15.99
- Bosch®Premium™ Spin-On Engine Oil FilterSubaru Impreza 2.5L 2003, Premium™ Spin-On Engine Oil Filter by Bosch®. Premium engine performance requires a premium oil filter. Bosch Premium Oil Filters protect your engine by keeping harmful particles and dirt out, preventing...The Premium filtration media has the capacity to hold up to 14 grams of dirt* in the filter mediaA high glass content is woven into the blended media, providing greater efficiency and strength by trapping 99% of the particulates from getting into the engine$4.77 - $5.77
- Baldwin Filters®Spin-On Engine Oil FilterSubaru Impreza 2.5L 2003, Spin-On Engine Oil Filter by Baldwin Filters®. Dirty oil can cause catastrophic damage to your engine. By using the proper lube filter for your engine, you can minimize the possibility of costly downtime and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.78
- Mahle®Premium Piston Ring SetSubaru Impreza 2.5L 2003, Premium Piston Ring Set by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$127.99
- Mobil 1®Extended Performance Oil FilterSubaru Impreza Outback / RS / TS 2003, Extended Performance Oil Filter by Mobil 1®. Mobil 1 Extended Performance Oil Filters offer the ultimate protection for your engine, especially when used with Mobil 1 full synthetic motor oil. Our...Keeps oil cleaner, longer – 99%+ efficiencySynthetic blend media keeps oil cleaner and holds more dirt†$11.58
- ITM Engine®Engine Gasket SetSubaru Impreza 2.5L 2003, Engine Gasket Set by ITM Engine®. 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....Designed with innovative manufacturing techniquesMade with maximum safety and reliability in mind$106.73
- Bosch®Workshop™ Spin-On Engine Oil FilterSubaru Impreza 2.5L 2003, Workshop™ Spin-On Engine Oil Filter by Bosch®. When visiting your local repair shop to get a routine oil change, replace your old oil filter with a workshop oil filter from Bosch. Having an efficiency of...Screens up to 97.5% of harmful contaminants such as dirt and oil from getting into the engineHolds up to 13 grams of dirt and contaminants$4.61
- Beck Arnley®White Engine Oil FilterSubaru Impreza 2.5L 2003, White Engine Oil Filter by Beck Arnley®. Beck Arnley is a leading specialty provider of premium parts for cars, light trucks, and SUVs. Beck Arnley provides the import parts by model and year to match OE fit,...Quality Construction and materialsManufactured to withstand harsh operating conditions$6.84
- Fel-Pro®Engine Conversion Gasket SetSubaru Impreza 2.5L 2003, Engine Conversion Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$47.64
- Mahle®Engine Rebuild KitSubaru Impreza 2.5L 2003, Engine Rebuild Kit by Mahle®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.63
- Wiseco®Pro Tru Sport Compact™ PistonSubaru Impreza EJ251 Engine 2003, Pro Tru Sport Compact™ Piston by Wiseco®. Enjoy superior performance by getting this premium-grade Sniper product that is throughly engineered to help take the performance of your fuel system to the...2618 Aerospace alloy for superior strength to weight ratioHD2 severe duty forging available for heavy horsepower applications$200.32 - $727.06
- Denso®FTF™ Canister Engine Oil FilterSubaru Impreza EJ251 Engine 2003, FTF™ Canister Engine Oil Filter by Denso®. When it comes to oil filters, you can't do better than Denso. This is why Denso is one of the world's premier OE oil filter suppliers. Denso uses this...Pre-lubricated molded o-ring provides superior sealing over generic filtersSilicon Anti-Drainback prevents rough starts caused by oil draining out of the engine while the vehicle is turned off$6.57
- Luber-finer®New Design Engine Oil FilterSubaru Impreza 2.5L 2003, New Design Engine Oil Filter by Luber-finer®. Oil is the lifeblood of the heavy duty engine. Luber-finer high-efficiency oil filters provide protection from oil contaminants to help ensure optimal performance....Extended Line of cartridge and spin-on filtersWide Selection Of Filters Providing Broad Coverage$2.72
- SKP®Timing Chain TensionerSubaru Impreza 2.5L 2003, Timing Chain Tensioner 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.25
- Apex Auto®Engine Conversion Gasket SetSubaru Impreza 2.5L 2003, Engine Conversion Gasket Set by Apex Auto®. 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....Made with precision and quality in mindDesigned to meet your specific needs$29.31
- SKP®Engine Gasket SetSubaru Impreza 2.5L 2003, Engine Gasket Set 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$8.01
- Ishino®Engine Gasket SetSubaru Impreza 2.5L 2003, Engine Gasket Set by Ishino®. Requires 4 10966-AA000 Spark Plug Seals to be Purchased Separately. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$240.17
- PERRIN Performance®Oil Catch Can KitSubaru Impreza 2003, Oil Catch Can Kit by PERRIN Performance®. The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency and reduces chances of...Increases intercooler efficiencyReduces carbon build up$486.20
- 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
- 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$13.27
- 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
- Megan Racing®Reinforced Engine MountsSubaru Impreza Standard Transmission 2003, Reinforced Engine Mounts by Megan Racing®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Hardened Rubber utilized is rated at 70A durometer ratingMade with quality and safety in mind$181.00
- 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$15.05
- Goodyear Belts®Serpentine Multi V-BeltSubaru Impreza 2.5L 2003, Serpentine Multi V-Belt by Goodyear Belts®. Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$14.20 - $16.24
- Fel-Pro®Engine Oil Pan Gasket SetSubaru Impreza 2.5L 2003, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Direct OEM replacement for a proper fitEnsures reliable sealing performance$7.12
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2003 Subaru Impreza Engine Reviews
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Posted by Jason (Rio Vista, TX) / September 19, 20192002 Subaru Impreza
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