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
- 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
- K&N®Performance Gold™ Wrench-Off Oil FilterNissan Altima 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 removal....The drilled hole on the nut provides for safety wire attachmentOil filters also use a resin impregnated cellulose filter media$15.99
- 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
- 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$19.89 - $40.32
- Fel-Pro®Engine Conversion Gasket SetNissan Altima 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 gaskets...Direct OEM replacement for a proper fitEnsures reliable sealing performance$62.04 - $76.92
- Mahle®Molded Rubber Valve Cover Gasket SetNissan Altima 3.5L 2003, Molded Rubber Valve Cover Gasket Set 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$20.17
- Mahle®Valve Cover GasketNissan Altima 2003, Valve Cover Gasket 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.54 - $13.87
- SKP®Front Engine MountNissan Altima 2003, Front Engine Mount 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$13.84 - $39.13
- SKP®Front Passenger Side Engine MountNissan Altima 2003, Front Passenger Side Engine Mount 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....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$23.59 - $23.92
- SKP®Rear Engine MountNissan Altima 2003, Rear Engine Mount 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$15.78 - $47.60
- Continental® ContiTech™Metric Serpentine BeltNissan Altima 2003, Metric Serpentine Belt by Continental® ContiTech™. 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...Made with precision and quality in mindDesigned to meet your specific needs$16.07 - $35.60
- Purolator®TECH™ Engine Oil FilterNissan Altima 2003, TECH™ Engine Oil Filter by Purolator®. Today’s driving conditions can be tough on engines. That’s why PurolatorTECH™ Oil Filters are engineered to meet or exceed OE requirements and incorporate the latest...Over 99% VIO coverage with expanded lineProven filtration performance for all oil types and viscosities$2.55 - $2.65
- Delphi®Camshaft Position SensorNissan Altima 2003, Camshaft Position Sensor by Delphi®. Delphi sensors use the Hall Effect or magneto resistive (MR) principles for accurate and clean signal input to the electronic control module (ECM). The result is more design...Extensive coverageApplications for ignition (camshaft and crankshaft position and speed), transmission (vehicle or engine speed) and anti-lock braking systems (wheel speed)$29.08 - $62.14
- Sealed Power®Premium Piston Ring SetNissan Altima 2003, Premium Piston Ring Set by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementManufactured to strict engineering quality standards$44.13 - $46.56
- Denso®FTF™ Engine Oil FilterNissan Altima 2003, FTF™ 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 the...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$4.55 - $7.16
- Fel-Pro®Cylinder Head Gasket SetNissan Altima 2003, Cylinder Head Gasket Set by Fel-Pro®. 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...Proprietary coating - nonstick anti-friction coating seals small surface scratches and imperfectionsSealing technologies - exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair$109.89 - $200.76
- Dorman®OE Solutions™ Regular Grade Type Harmonic Balancer Assembly KitNissan Altima 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, salt,...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$50.49 - $59.64
- 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
- ACDelco®Gold™ Engine Oil FilterNissan Altima 2003, Gold™ 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 will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.87 - $5.90
- Walker Products®Camshaft Position SensorNissan Altima 2003, Camshaft 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 your...High quality at an affordable priceExpertly made from premium materials$14.99 - $78.04
- 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
- Dayco®No Slack™ Idler/Tensioner PulleyNissan Altima 2003, No Slack™ Idler/Tensioner Pulley by Dayco®. Dayco's reputation for top performance idler and tensioner pulleys is a result of advanced automotive technologies employed in materials research, design engineering, and...Made with precision and quality in mindDesigned to meet your specific needs$33.46 - $43.50
- 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
- Dorman®OE Solutions™ Variable Valve Timing SolenoidNissan Altima 2003, OE Solutions™ Variable Valve Timing Solenoid by Dorman®. This replacement engine variable valve timing solenoid is precision-engineered to match or exceed the stock VVT on specific vehicle years, makes and models....Ideal replacement - this VVT is professionally engineered to match the function and performance of the stock solenoid on specific vehicle applicationsComplete assembly - includes all original hardware and seals required for a quick and thorough replacement$86.62 - $102.57
- Fel-Pro®Crankshaft SealNissan Altima 2003, Crankshaft Seal Kit by Fel-Pro®. 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...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$17.45 - $38.21
- 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
- TRQ®Engine Variable Timing SolenoidNissan Altima 2003, Engine Variable Timing Solenoid by TRQ®. This engine variable timing solenoid is the right choice for those who want to keep their vehicle in excellent condition. Built with the latest technology, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$36.95 - $131.95
- Dorman®OE Solutions™ Aluminum Timing Chain CoverNissan Altima 2.5L 2003, OE Solutions™ Aluminum Timing Chain Cover by Dorman®. This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive...Direct replacement - this engine timing cover matches the fit and function of the original equipment coverDurable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life$147.82
- 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$20.15
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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
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