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 - 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
- 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
- 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
- Beck Arnley®Engine Oil FilterAudi A8 Quattro 2003, Engine Oil Filter by Beck Arnley®. Beck Arnley is a leading specialty provider of premium parts for cars, light trucks, and SUVs. Beck Arnley provides the import parts by model and year to match OE fit, form, and...Quality Construction and materialsManufactured to withstand harsh operating conditions$12.25
- Bosch®Workshop™ Engine Oil FilterAudi A8 Quattro 4.2L 2003, Workshop™ Engine Oil Filter by Bosch®. When visiting your local repair shop to get a routine oil change, replace your old oil filter with a workshop oil filter from Bosch. Having an efficiency of 97.5%, this...Screens up to 97.5% of harmful contaminants such as dirt and oil from getting into the engineHolds up to 13 grams of dirt and contaminants$7.31
- 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$3.84 - $950.02
- 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
- 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
- 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
- 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
- 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
- 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
- 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$20.39
- 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
- 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
- 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
- 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
- Gates®PowerGrip™ Timing Belt Component KitAudi A8 Quattro 4.2L 2003, PowerGrip™ Timing Belt Component Kit by Gates®. 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$156.64
- Gates®RPM™ Timing BeltAudi A8 Quattro 4.2L 2003, RPM™ Timing Belt by Gates®. No other belts protect your engine while delivering powerfully high performance like Gates Racing, Performance, Muscle (RPM) Timing Belts. Gates RPM Timing Belts are incredibly...Superior construction provides up to three times the heat resistance, wear resistance, and performanceBelt tooth jacket is reinforced with high-performance nylon material to minimize wear$113.37
- Fel-Pro®Crankshaft SealAudi A8 Quattro 4.2L 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$13.21
- 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
- Delphi®Crankshaft Position SensorAudi A8 Quattro 4.2L 2003, Crankshaft 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...Extensive coverageMade from high-quality materials for ultimate durability$38.95
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