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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DIY Solutions®Engine Oil FilterNissan Altima 2003, Engine Oil Filter by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes to...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$21.37 - $27.49 - Full®Spin-On Engine Oil FilterNissan Altima 2003, Spin-On Engine Oil Filter by Full®. 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...Made with precision and quality in mindDesigned to meet your specific needs$5.22 - $5.99
- Luber-finer®Engine Oil FilterNissan Altima 2003, 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. Efficient...Extended Line of cartridge and spin-on filtersWide Selection Of Filters Providing Broad Coverage$3.30 - $4.74
- Mahle®Engine Conversion Gasket SetNissan Altima 2003, Engine Conversion 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 craftsmanship....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.63 - $65.10
- Genuine®Piston Ring SetNissan Altima 3.5L 2003, Piston Ring Set 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$496.36
- ITM Engine®Piston Ring SetNissan Altima 2.5L 2003, Piston Ring 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...Designed with innovative manufacturing techniquesMade with maximum safety and reliability in mind$51.15 - $55.12
- DNJ Engine Components®Piston Ring SetNissan Altima 2003, Piston Ring Set by DNJ Engine Components®. 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...Designed to replace your malfunctioning partsHelps get your vehicle back to it's original performance$50.38 - $54.34
- Genuine®CamshaftNissan Altima 3.5L 2003, Camshaft 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$421.30 - $728.46
- TRQ®Engine Mount SetNissan Altima 2.5L 2003, Engine Mount Set by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$61.95 - $81.95Save: up to 6%$58.23 - $77.85
- TRQ®Front Engine MountNissan Altima 2.5L 2003, Front Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95Save: $2.05 (5%)$38.90
- TRQ®Front Passenger Side Engine MountNissan Altima 2.5L 2003, Front Passenger Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.95Save: $1.88 (4%)$45.07
- TRQ®Passenger Side Engine MountNissan Altima 3.5L 2003, Passenger Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.95Save: $1.88 (4%)$45.07
- TRQ®Rear Engine MountNissan Altima 2003, Rear Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even the most...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95 - $46.95Save: up to 5%$38.90 - $45.07
- Anchor®Front Passenger Side Engine MountNissan Altima 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$18.08 - $22.96
- Anchor®Rear Engine MountNissan Altima 2003, Rear 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 supplier, Anchor....Direct OEM replacementSecurely supports the engine on the chassis$19.60 - $44.49
- TRQ®Engine Oil Pressure SwitchNissan Altima 2.5L 2003, Engine Oil Pressure Switch by TRQ®. 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....Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$20.95Save: $1.05 (5%)$19.90
- TRQ®Drive Belt TensionerNissan Altima 2.5L 2003, Drive Belt Tensioner by TRQ®. Want to get rid of the rattling noise coming from the timing cover area? This high-grade TRQ drive belt tensioner is exactly what you need. Built to meet or exceed the OEM...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.95Save: $1.88 (4%)$45.07
- Dorman®OE Solutions™ Engine Oil PanNissan Altima 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$40.98 - $51.59
- 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$59.64 - $60.13
- Dorman®Autograde™ Engine Oil Drain PlugNissan Altima 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$1.93 - $11.62
- Genuine®Valve CoverNissan Altima 2003, 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 materials using...Made with precision and quality in mindDesigned to meet your specific needs$175.24 - $221.67
- Hayden®Idler/Tensioner PulleyNissan Altima 3.5L 2003, Idler/Tensioner Pulley by Hayden®. This part is designed to route the drive belt and keep it tight. If the pulley goes bad, it can cause problems with cooling, charging, steering, and climate control. Replace a...Constructed to ensure OE quality and reliabilityMade of steel and thermoplastic for long service life and superior dampening$21.15
- TRQ®Engine Valve CoverNissan Altima 2003, Engine Valve Cover by TRQ®. Give your vehicle a new life with this top-grade TRQ engine valve cover kit. Designed to prevent oil leaks and protect cylinder head hardware from the elements, it will ensure the reliable...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$81.95 - $112.95Save: 5%$77.85 - $107.30
- TRQ®Engine Valve Cover KitNissan Altima 2003, Engine Valve Cover Kit by TRQ®. Give your vehicle a new life with this top-grade TRQ engine valve cover kit. Designed to prevent oil leaks and protect cylinder head hardware from the elements, it will ensure the...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$138.95 - $220.95Save: 5%$132.00 - $209.90
- SKP®Timing Chain KitNissan Altima 2003, Timing Chain Kit 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$105.54 - $174.37
- TRQ®Camshaft Position SensorNissan Altima 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$26.95 - $51.95Save: up to 6%$25.87 - $49.87
- TRQ®Crankshaft Position SensorNissan Altima 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$30.95 - $70.95Save: up to 6%$29.09 - $68.82
- 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
- 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
- Gates®Micro-V™ V-Ribbed BeltNissan Altima 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 life...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$19.77 - $25.06
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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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