2003 Nissan Altima 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 Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Throttle Bodies
- Motor Oils
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Dayco®Poly Rib™ Serpentine BeltNissan Altima 2003, Poly Rib™ Serpentine Belt by Dayco®. 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. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$16.75 - $20.83 - Apex Auto®Cylinder Head Gasket SetNissan Altima 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 lifestyle, it...Quick accurate delivery with excellent fill-rateExcellent inventory availability$64.65 - $118.98
- Four Seasons®Drive Belt Idler PulleyNissan Altima 3.5L 2003, Drive Belt Idler Pulley by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right with...Made with precision and quality in mindDesigned to meet your specific needs$20.37
- Bando®Rib Ace™ V-Ribbed Serpentine BeltNissan Altima 2003, Rib Ace™ V-Ribbed Serpentine Belt by Bando®. Trusted by the world's Top Automakers, Bando is OE on Domestic and Import nameplates. The V-ribbed belt is precision engineered for long life under severe operating...Combines our OE technology and experience to offer an accessory drive belt that outperforms the competitionExtensive coverage for Domestic and Import applications$5.45 - $12.22
- Mobil 1®Extended Performance Oil FilterNissan Altima 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 - $13.20
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltNissan Altima 2003, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater durability, and...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$16.30 - $17.22
- TRQ®Drive Belt Idler PulleyNissan Altima 2003, Drive Belt Idler Pulley by TRQ®. 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 will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95Save: $2.05 (5%)$38.90
- Fel-Pro®Valve Cover Gasket SetNissan Altima 2.5L 2003, Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...Direct OEM replacement for a proper fitEnsures reliable sealing performance$12.43
- SMP®Crankshaft Position SensorNissan Altima 2003, Crankshaft Position Sensor by SMP®. 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 specifically for motorcycle applicationsPerfect to help you work more efficiently$42.87 - $48.37
- ITM Engine®Engine Gasket SetNissan Altima 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. Manufactured from...Designed with innovative manufacturing techniquesMade with maximum safety and reliability in mind$91.21 - $160.56
- Apex Auto®Valve CoverNissan Altima 2003, Valve Cover by Apex Auto®. With Valve Cover Gasket. 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....Quick accurate delivery with excellent fill-rateExcellent inventory availability$71.12 - $73.08
- Standard®Intermotor™ Camshaft Position SensorNissan Altima 2003, Intermotor™ Camshaft Position Sensor by Standard®. 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...Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$30.86 - $44.18
- ITM Engine®Connecting Rod Bearing SetNissan Altima 2003, Connecting Rod Bearing 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$18.96 - $26.06
- Autotecnica®Drive Belt Idler PulleyNissan Altima 3.5L 2003, Drive Belt Idler Pulley by Autotecnica®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$20.56
- ITM Engine®Valve Cover GasketNissan Altima 2003, Valve Cover Gasket 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. Manufactured...Designed with innovative manufacturing techniquesMade with maximum safety and reliability in mind$10.97 - $11.25
- Hitachi®Grade Actual OE Part Crankshaft Position SensorNissan Altima 2003, Grade Actual OE Part Crankshaft Position Sensor by Hitachi®. By monitoring crankshaft rotation speed and position, this sensor allows the computer to maintain effective fuel injection timing and ignition timing...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$48.20 - $51.42
- ITM Engine®Oil PumpNissan Altima 2003, Oil Pump 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. Manufactured from...Designed with innovative manufacturing techniquesMade with maximum safety and reliability in mind$87.77 - $199.29
- Fel-Pro®Engine Oil Pan Gasket SetNissan Altima 3.5L 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$9.24 - $13.25
- Westar®Engine Mount SetNissan Altima 2003, Engine Mount Set 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 mounts and...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$89.69 - $131.84
- Westar®Front Engine MountNissan Altima 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 mounts and...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$19.07 - $48.40
- Westar®Front Passenger Side Engine MountNissan Altima 2.5L 2003, Front Passenger Side 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...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$21.58 - $37.68
- Westar®Passenger Side Engine MountNissan Altima 3.5L 2003, Passenger Side 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...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$21.58 - $30.29
- Westar®Rear Engine MountNissan Altima 2003, Rear 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 mounts and...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$23.39 - $52.96
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltNissan Altima 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 performance...Made with precision and quality in mindDesigned to meet your specific needs$25.29 - $43.21Save: 16%$21.36 - $36.27
- Dorman®HELP™ Engine Oil Dipstick without Bracket & TubeNissan Altima 3.5L 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 clearly...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$14.69
- iD Select®Front Engine MountNissan Altima 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 factory...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$24.89 - $50.36Save: 10%$22.40 - $45.32
- iD Select®Front Passenger Side Engine MountNissan Altima 2.5L 2003, Front Passenger Side 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...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$28.16Save: $2.81 (10%)$25.35
- iD Select®Passenger Side Engine MountNissan Altima 3.5L 2003, Passenger Side 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...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$28.16Save: $2.81 (10%)$25.35
- iD Select®Rear Engine MountNissan Altima 2003, Rear 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 factory...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$30.54 - $59.31Save: 10%$27.48 - $53.39
- Walker Products®Crankshaft Position SensorNissan Altima 3.5L 2003, Crankshaft Position Sensor by Walker Products®. 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...High quality at an affordable priceExpertly made from premium materials$19.93 - $41.43
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2003 Nissan Altima Engine Reviews
2 reviews
Works Fine
Apex Auto® VCS551 - Valve CoverPosted by Rocky (Modesto, CA) / June 21, 20202005 Nissan Altima
2003 Nissan Altima Models
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