2003 Audi A8 Engine Parts
Select Your Submodel
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- 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
- Engine Rebuild Kits
- Balance Shafts
- Throttle Bodies
- Motor Oils
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Gates®PowerGrip™ Timing Belt KitAudi A8 Quattro 4.2L 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$374.89 - Original (OEM)Engine PartsEach vehicle has its distinctive body lines and shapes, but the most exciting part is located under the hood. The engine is what makes that essential power that drives the wheels. Since it's the heart and soul of any vehicle, it just...
- Audi OEEngine / Transaxle - Engine Parts (4.2L)Audi A8 Quattro 4.2L 2003, Engine / Transaxle - Engine Parts by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$3.56 - $904.56
- Vaico®Camshaft AdjusterAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, Camshaft Adjuster by Vaico®. 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$598.46
- Vaico®Engine Oil Drain PlugAudi A8 Quattro 4.2L 2003, Engine Oil Drain Plug by Vaico®. 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....Vaico timing chains only in OEM qualityChain pins with tritan coating for the best wear resistanse$9.86 - $17.85
- Fel-Pro®PermaDry™ Molded Rubber Valve Cover Gasket SetAudi A8 Quattro 4.2L 2003, PermaDry™ Molded Rubber Valve Cover Gasket Set by Fel-Pro®. with Semi-Circular Plug & Grommets & Spark Plug Tube Seals. PermaDry™ premium molded-rubber is designed for those applications that utilize a...Direct OEM replacement for a proper fitEnsures reliable sealing performance$63.76
- TRQ®Camshaft Position SensorAudi A8 Quattro 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$31.95 - $36.95Save: up to 5%$30.35 - $35.47
- TRQ®Camshaft Position Sensor KitAudi A8 Quattro 2003, Camshaft Position Sensor Kit 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.95Save: $1.80 (5%)$34.15
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltAudi A8 Quattro 4.2L 2003, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Length: 104.4". Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed to meet or...Made with precision and quality in mindDesigned to meet your specific needs$40.37Save: $6.59 (16%)$33.78
- Dorman®Autograde™ Engine Oil Drain PlugAudi A8 Quattro 4.2L 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$11.39 - $48.60
- Goodyear Belts®Serpentine Multi V-BeltAudi A8 Quattro 4.2L 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$30.01 - $31.18
- Baldwin Filters®Engine Oil Filter ElementAudi A8 Quattro 4.2L 2003, Engine Oil Filter Element 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$17.38
- Beck Arnley®Valve Cover Gasket SetAudi A8 Quattro 4.2L 2003, Valve Cover Gasket Set by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory...OE quality products from top original equipmentTop quality materials$41.21
- Mahle®Engine Oil FilterAudi A8 Quattro 4.2L 2003, Engine Oil Filter 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$8.27 - $16.37
- URO Parts®Oil Filler CapAudi A8 Quattro 2003, Oil Filler Cap by URO Parts®. Replace your worn out engine part with this superior engine component designed by URO to restore your vehicle's factory performance. Manufactured to meet the highest OE standards, this...Replaces your worn out factory engine part to restore vehicle's performanceConstructed from top notch materials for ultimate strength and reliability$2.10 - $5.43
- Gates®Micro-V™ V-Ribbed BeltAudi A8 Quattro 4.2L 2003, Micro-V™ V-Ribbed Belt by Gates®. Length: 104.97". 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...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$36.66
- Mahle®Single Molded Rubber Valve Cover Gasket SetAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, Single 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$58.76
- TRQ®Engine Oil Pressure SwitchAudi A8 Quattro 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. Manufactured...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$22.95Save: $0.92 (4%)$22.03
- Walker Products®Camshaft Position SensorAudi A8 Quattro 4.2L 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...High quality at an affordable priceExpertly made from premium materials$43.18 - $55.53
- ACDelco®Professional™ Idler PulleyAudi A8 Quattro 4.2L 2003, Professional™ Idler Pulley by ACDelco®. The ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an automatic...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$85.24Save: $12.79 (15%)$72.45
- Gates®DriveAlign™ Drive Belt Idler PulleyAudi A8 Quattro 4.2L 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$43.57
- ACDelco®Gold™ Engine Oil FilterAudi A8 Quattro 4.2L 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.52 - $18.23Save: 17%$12.95 - $15.05
- Bando®Rib Ace™ V-Ribbed Serpentine BeltAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, Rib Ace™ V-Ribbed Serpentine Belt by Bando®. Length: 104.5". Trusted by the world's Top Automakers, Bando is OE on Domestic and Import nameplates. The V-ribbed belt is precision...Combines our OE technology and experience to offer an accessory drive belt that outperforms the competitionExtensive coverage for Domestic and Import applications$20.32
- Mahle®Cylinder Head GasketAudi A8 Quattro 4.2L 2003, Cylinder Head 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$53.54 - $240.63
- Victor Reinz®Valve Cover Gasket SetAudi A8 Quattro 2003, Valve Cover Gasket Set by Victor Reinz®. 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$34.09
- Dayco®Poly Rib™ Serpentine BeltAudi A8 Quattro 2003, Poly Rib™ Serpentine Belt by Dayco®. Length: 104.53". 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$34.49
- WVE®Oil Pressure SwitchAudi A8 Quattro 2003, Oil Pressure Switch by WVE®. With White Dot. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$13.23
- National®Crankshaft SealAudi A8 Quattro 4.2L 2003, Crankshaft Seal by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$12.75 - $26.32
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltAudi A8 Quattro 4.2L 2003, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Length: 104.5". Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$30.12
- Continental® ContiTech™Pro Series Plus™ Timing Belt KitAudi A8 Quattro 4.2L 2003, Pro Series Plus™ Timing Belt Kit by Continental® ContiTech™. When you want to make sure you won’t have to do the job twice, turn to a ProSeries Timing belt kit that includes everything required for...OE quality product for safe, reliable, and efficient performanceComplete kit includes all components to perform a complete repair, to ensure belt will perform and operate correctly for its intended lifespan$357.07
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2003 Audi A8 Engine Reviews
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Best Oil For Duramax
ACDelco® - dexosD™ Light Duty Diesel SAE 0W-20 Synthetic Motor Oil, 1 QuartPosted by Aleski / October 29, 20212020 Chevy Silverado 1500
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