2003 Subaru WRX Engine Parts
- 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
- Intercoolers
- Throttle Bodies
- Motor Oils
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Anchor®Front Driver Side Engine MountSubaru WRX / WRX STI 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$22.98 - Gates®PowerGrip™ Timing Belt KitSubaru WRX / WRX STI 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$244.43 - $328.43
- Mobil 1®Extended Performance Oil FilterSubaru WRX Base 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 advanced...Keeps oil cleaner, longer – 99%+ efficiencySynthetic blend media keeps oil cleaner and holds more dirt†$11.58
- Bosch®Premium™ Spin-On Engine Oil FilterSubaru WRX / WRX STI 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$4.10 - $5.77
- WIX®Full-Flow Lube Engine Oil FilterSubaru WRX Base Canada Built / USA Built 2003, Full-Flow Lube Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.65
- WIX®XP™ Full-Flow Lube Engine Oil FilterSubaru WRX Base Canada Built / USA Built 2003, XP™ Full-Flow Lube Engine Oil Filter by WIX®. Engineered to maximize the performance of synthetic motor oils, it provides optimum protection for the increased demands on today’s...Designed to resist premature plugging due to oil breakdown and combustion by-productsWire-backed full-synthetic media is the latest in filtration technology$10.75
- ACDelco®Gold™ Spin-On Engine Oil FilterSubaru WRX / WRX STI 2003, Gold™ 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.74
- Baldwin Filters®Spin-On Engine Oil FilterSubaru WRX / WRX STI 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$8.39
- ITM Engine®Engine Gasket SetSubaru WRX / WRX STI 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$135.30
- Bosch®Workshop™ Spin-On Engine Oil FilterSubaru WRX / WRX STI 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 WRX / WRX STI 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
- Luber-finer®New Design Engine Oil FilterSubaru WRX / WRX STI 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
- Pentius®Red Premium Line Engine Oil FilterSubaru WRX / WRX STI 2003, Red Premium Line Engine Oil Filter by Pentius®. The UltraFLOW Oil Filters by Pentius are manufactured to meet or exceed original equipment (OEM) specifications. Through a number of technological advances, we...Designed to eliminate contaminantsEnsures proper fitment and excellent performa filtration efficiency for 20 microns and above particles$2.56
- Fel-Pro®Engine Conversion Gasket SetSubaru WRX / WRX STI 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$54.03
- Apex Auto®Engine Conversion Gasket SetSubaru WRX / WRX STI 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$31.65
- ACDelco®Spin-On Engine Oil FilterSubaru WRX / WRX STI 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$4.48
- Denso®FTF™ Canister Engine Oil FilterSubaru WRX 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 world-class know-how to...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$6.98
- Pentius®UltraFLOW Xtended Life™ Engine Oil FilterSubaru WRX / WRX STI 2003, UltraFLOW Xtended Life™ Engine Oil Filter by Pentius®. Following the lead of some of Pentius oil filter competitors, Pentius Automotive Parts is pleased to introduce the new UFXL - Pentius UltraFLOW Xtended...Designed to eliminate contaminantsEnsures proper fitment and excellent performa filtration efficiency for 20 microns and above particles$5.44
- Hengst®Engine Oil FilterSubaru WRX 2003, Engine Oil Filter by Hengst®. 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$5.84
- Cometic Gasket®Street Pro Top-End Gasket KitSubaru WRX 2003, Street Pro Top-End Gasket Kit by Cometic Gasket®. Cometic StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. StreetPro...Made of high quality materialsSuperior performance across a wide variety of engine types and sizes$281.47 - $370.62
- Manley®Pro Series Turbo Tuff™ Connecting RodSubaru WRX Base 2003, Pro Series Turbo Tuff™ Connecting Rod by Manley®. This product is made of high-quality Materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...Made to help enhance the performance of your vehiclePerfect for drag racing or high-performance racing applications$272.50 - $1,398.28
- Manley®Sport Compact™ H-Tuff Series H-Beam Connecting RodSubaru WRX Base 2003, Sport Compact™ H-Tuff Series H-Beam Connecting Rod by Manley®. This product is made of high-quality Materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....Made to help enhance the performance of your vehiclePerfect for drag racing or high-performance racing applications$138.05 - $531.58
- Manley®Sport Compact™ Platinum Series Dish PistonSubaru WRX Base 2003, Sport Compact™ Platinum Series Dish Piston by Manley®. This product is made of high-quality Materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...Wrist pin upgrades (9310 and Turbo Tuff/DLC alloys)Domestic 2618 alloy forgings$166.45 - $726.68
- Brian Crower®CamshaftSubaru WRX 2003, Camshaft by Brian Crower®. BC high performance camshafts are ground on state-of-the-art CNC cam grinders to insure accuracy and tolerances to within .02mm. Every BC camshaft profile has been prototyped and dyno tested...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$865.06
- PERRIN Performance®Air Oil SeparatorSubaru WRX / WRX STI Base 2003, Air Oil Separator by PERRIN Performance®. The PERRIN Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires constant attention and removal of...Increases intercooler efficiencyReduces carbon build up$486.20
- Genuine®Oil CoolerSubaru WRX / WRX STI 2003, Oil Cooler 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 materials using...Made with precision and quality in mindDesigned to meet your specific needs$166.10
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltSubaru WRX / WRX STI 2003, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed to meet or exceed OEM...Made with precision and quality in mindDesigned to meet your specific needs$15.26 - $25.70
- TRQ®Crankshaft Position SensorSubaru WRX Base 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 glory....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.83$27.95Save $1.12 (4%)
- Fel-Pro®Engine Oil Pan Gasket SetSubaru WRX / WRX STI 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$8.03
- SKP®Timing CoverSubaru WRX / WRX STI 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$16.04 - $20.75
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2003 Subaru WRX Engine Reviews
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Posted by Customer / March 25, 20212002 Subaru WRX
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