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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Fel-Pro®Driver Side Cylinder Head Gasket without Head BoltsAudi A8 Quattro 4.2L 2003, Driver Side Cylinder Head Gasket without Head Bolts 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...PermaTorqueMLS® head gaskets are built to meet or exceed all original equipment specificationsApplication specific design to ensure a perfect fit$61.35 - 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
- Hayden®Idler/Tensioner PulleyAudi A8 Quattro 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$16.38
- Spectra Premium®Camshaft Position SensorAudi A8 Quattro 4.2L 2003, Camshaft Position Sensor by Spectra Premium®. 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$15.38
- Walker Products®Engine Oil Pressure SwitchAudi A8 Quattro 4.2L 2003, Engine Oil Pressure Switch 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...High quality at an affordable priceExpertly made from premium materials$15.74
- Standard®Intermotor™ 3 Pin Camshaft Position SensorAudi A8 Quattro 2003, Intermotor™ 3 Pin 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$33.13
- Hitachi®Camshaft Position SensorAudi A8 Quattro 4.2L Chassis # 4D-3-004 999 2003, Camshaft Position Sensor by Hitachi®. By determining camshaft position, this sensor allows the computer to maintain effective fuel injection timing and ignition timing control for...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$18.63
- Victor Reinz®Driver Side Cylinder Head GasketAudi A8 Quattro USA Built 2003, Driver Side Cylinder Head Gasket 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...Made with precision and quality in mindDesigned to meet your specific needs$53.66
- Genuine®Timing Camshaft SprocketAudi A8 Quattro 2003, Timing Camshaft Sprocket 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...Made with precision and quality in mindDesigned to meet your specific needs$235.41
- Dayco®Timing BeltAudi A8 Quattro 2003, Timing Belt by Dayco®. This timing belt provides quieter performance thanks to its molded cog design. Made of wear-resistant fabric and manufactured with high tensile strength cord and molded tooth surface, it...Designed for OHC and DOHC type enginesMeets all OEM performance requirements$43.90
- Bando®OHC Precision Engineered Timing BeltAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, OHC Precision Engineered Timing Belt by Bando®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.18
- Fel-Pro®Camshaft SealAudi A8 Quattro 4.2L 2003, Camshaft Seal 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$8.99 - $49.93
- Dayco®Drive Rite™ V-Ribbed Serpentine BeltAudi A8 Quattro 2003, Drive Rite™ V-Ribbed Serpentine Belt by Dayco®. Specially constructed for vehicles that utilize the multiple-belt system, this product features raw-edge construction along with a patented top cogged design, which...More flexibility and increased airflow around the belt for prolonged service lifeRaw-edge sidewall construction along with a patented top cogged design for top performance$20.95
- URO Parts®Accessory Drive Belt TensionerAudi A8 Quattro Chassis # 4D-3-004999 with NTN/NSK Bearing 2003, Accessory Drive Belt Tensioner by URO Parts®. Replace your worn out engine part with this superior engine component designed by URO to restore your vehicle's factory...Replaces your worn out factory engine part to restore vehicle's performanceConstructed from top notch materials for ultimate strength and reliability$48.65
- Dorman®OE Solutions™ Camshaft Position SensorAudi A8 Quattro 4.2L 2003, OE Solutions™ Camshaft Position Sensor by Dorman®. This direct replacement camshaft position sensor matches the fit and performance of a failed original equipment sensor to restore proper engine starting and...Direct replacement - this camshaft position sensor matches the fit and performance of the original equipment sensorDurable construction - this part is manufactured to exacting standards to ensure reliable performance and durability$22.68
- Beck Arnley®Camshaft Position SensorAudi A8 Quattro 4.2L 2003, Camshaft Position Sensor 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$48.51
- SKP®Camshaft Position SensorAudi A8 Quattro 4.2L 2003, Camshaft Position Sensor 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$12.82
- Bosch®Crankshaft Position SensorAudi A8 Quattro 4.2L 2003, Crankshaft Position Sensor by Bosch®. 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$48.30
- Hitachi®Crankshaft Position SensorAudi A8 Quattro 4.2L Chassis # 4D-3-004 999 2003, 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...Meets or exceeds OE specificationsEngineered for dependable and long-lasting performance$30.02
- Holstein®Camshaft Position SensorAudi A8 Quattro 4.2L Chassis # 4D-3-004 999 2003, Camshaft Position Sensor by Holstein®. The Camshaft Position Sensor monitors the rotating position of the camshaft relative to the crankshaft position. This data is sent to the vehicles...Holstein focuses on using only the highest quality materials,Manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part$24.15
- Vaico®Timing Chain KitAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, Timing Chain Kit 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$214.72 - $581.26
- SKP®Engine Oil CoolerAudi A8 Quattro 4.2L 2003, Engine Oil Cooler 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$89.58
- Continental® ContiTech™Conti Synchrobelt™ Timing BeltAudi A8 Quattro 4.2L 2003, Conti Synchrobelt™ Timing Belt by Continental® ContiTech™. This product is designed and manufactured as an OEM replacement for safe, reliable and efficient performance. Thanks to its polychloroprene cover,...OE quality product for safe, reliable, and efficient performancePolychloroprene cover, glass fiber tension members, and polyamide fabric for reliable and long-lasting service life$35.14
- Gates®Timing BeltAudi A8 Quattro 4.2L 2003, Timing Belt by Gates®. Simply put, no one does Timing Belts with better design, or bigger market reach, than Gates. As a leading global manufacturer of OE Timing Belts, we've set the standard on creating...PTFE-infused jackets to reduce frictional losses and tooth shearHigh grade HNBR rubber for superior heat and contamination resistance$31.74
- Hepu®Timing Belt KitAudi A8 Quattro 2003, Timing Belt Kit by Hepu®. 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 needs and deliver...Precisely designed using leading innovationsThoroughly tested to provide unsurpassed value$380.43
- Continental® ContiTech™Camshaft SealAudi A8 Quattro 4.2L 2003, Camshaft Seal by Continental® ContiTech™. Designed as an OEM quality replacement for your worn-out or leaking camshaft seal, this product provides a precise fit, reliable and long-lasting performance. Made...OE quality product for safe, reliable, and efficient performancePrevents oil leakage at the camshaft$3.13
- Vaico®Drive Belt Tensioner AssemblyAudi A8 Quattro 4.2L AKB Engine / AUX Engine 2003, Drive Belt Tensioner Assembly 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$94.81
- Febi®Auxiliary Belt Tensioner AssemblyAudi A8 Quattro To Chassis # 4D-3-004999 2003, Auxiliary Belt Tensioner Assembly by Febi®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$97.76
- Corteco®Engine Oil Drain PlugAudi A8 Quattro 2003, Engine Oil Drain Plug by Corteco®. 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$1.92 - $7.43
- URO Parts®Camshaft Position SensorAudi A8 Quattro 2003, Camshaft Position Sensor 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...Replaces hardened or cracked camshaft position sensor o-ring that can create oil or vacuum leaks and degrade engine performanceOE-style o-ring profile and durometer ensures proper seal between sensor body and head$14.73
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