2003 Audi A4 Differentials
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Original (OEM)Driveline & AxlesNo matter how powerful your vehicle is, all that power under your hood is useless if the torque from the transmission doesn't get to the drive wheels. So it's important to keep all driveline components in tip-top working order. The... - Timken®Rear Differential RaceAudi A4 2003, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part that...OE quality fit, performance, and reliabilityCost-effective friction management solution$7.19 - $7.55
- Timken®Rear Outer Differential Pinion SealAudi A4 / A4 Quattro 2003, Rear Outer Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$13.70
- Timken®Rear Differential BearingAudi A4 2003, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...Designed to effectively reduce frictionUltimate load handling capability$14.08 - $16.09
- Timken®Rear Inner Differential Pinion RaceAudi A4 / A4 Quattro 2003, Rear Inner Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a...OE quality fit, performance, and reliabilityCost-effective friction management solution$31.42
- Timken®Rear Passenger Side Differential SealAudi A4 Quattro 2003, Rear Passenger Side Differential Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$7.08
- Genuine®Pinion Seal - Rear DifferentialAudi A4 Quattro 2003, Pinion Seal - Rear Differential by Genuine®. Location: Rear Differential. If your driveline system parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand...Designed to restore your vehicle’s driveline systemGenuine OE replacement parts from the OE manufacturer$157.82
- National®Differential BearingAudi A4 / A4 Quattro Transmission with ZF 5HP-19FLA Transmission 2003, Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance$32.75 - $61.23
- National®Rear Inner Differential Pinion RaceAudi A4 Quattro with Torsen T2 Series Axle 2003, Rear Inner Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built...Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance$25.88
- Beck Arnley®Rear Driver Side Differential BearingAudi A4 2003, Rear Driver Side Differential Bearing by Beck Arnley®. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...OE quality products from top original equipmentTop quality materials$22.62
- DT Components®Rear Differential BearingAudi A4 / A4 Quattro 2003, Rear Differential Bearing by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised. Perfect for your vehicle...Expertly crafted from premium materialsDesigned to match rigorous quality standards$17.39
- DT Components®Rear Differential Bearing RaceAudi A4 / A4 Quattro 2003, Rear Differential Bearing Race by DT Components®. Designed utilizing the latest technology, this product by DT Components features premium quality and will perform better than advertised. Perfect for your...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$8.72 - $50.25
- Vaico®Differential Pinion SealAudi A4 Quattro 1.8L / 3.0L Chassis # 8E-2-000 001 to 8E-5-400 000 2003, Differential Pinion Seal by Vaico®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$6.59
- Timken®Rear Passenger Side Optional Differential Pinion Repair SleeveAudi A4 Quattro 2003, Rear Passenger Side Optional Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement. This hard, wear-resistant, and...Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable$35.02
- Westar®Differential MountAudi A4 / A4 Quattro 1.8L / 3.0L 2003, Differential Mount by Westar®. Westar is a widely recognized manufacturer and exporter of rubber to metal bonded parts for all types of trucks and automobiles. Every single product goes through...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$70.17
- Yukon Gear & Axle®Zip Locker Air CompressorZip Locker Air Compressor by Yukon Gear & Axle®. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and...Expertly crafted from premium materialsDesigned to match rigorous quality standards$255.89
- Richmond®Street Gear Ring and Pinion Gear SetStreet Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$385.99
- ARB®Air LockerAir Locker by ARB®. Created to provide 100% traction on demand, without sacrificing any of your vehicle's highway driving performance, ARB Air Lockers employ a 12 volt ARB Air Compressor designed to activate (and deactivate) a solid and...Differential CaseFlange Cap Assembly$12.01 - $2,465.00
- AllStar Performance®SpoolSpool by AllStar Performance®. Replace a troublesome positive traction unit with a high quality Allstar spool. Substantially lighter than conventional carriers, spools deliver equal power to both rear wheels. Ultra-lite steel spools...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$289.99 - $299.99
- Frankland Racing®SpoolSpool by Frankland Racing®. Designed utilizing the latest technology, this product by Frankland Racing features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...High quality at an affordable priceExpertly made from premium materials$327.00
- Frankland Racing®Superlite™ Driver Side Side BellSuperlite™ Driver Side Side Bell by Frankland Racing®. Designed utilizing the latest technology, this product by Frankland Racing features premium quality and will perform better than advertised. Perfect for your vehicle and...High quality at an affordable priceExpertly made from premium materials$320.72
- PEM®Lightweight Premium Quick Change Gear KitLightweight Premium Quick Change Gear Kit by PEM®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the ultimate in...Built to deliver the performance you crave forManufactured from high-strength materials$183.53
- PEM®Standard Quick Change Gear KitStandard Quick Change Gear Kit by PEM®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the ultimate in high strength...Built to deliver the performance you crave forManufactured from high-strength materials$95.55
- Yukon Gear & Axle®Ring Gear BoltRing Gear Bolt by Yukon Gear & Axle®. Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much...Expertly crafted from premium materialsDesigned to match rigorous quality standards$8.89
- Yukon Gear & Axle®Ring Gear Bolt Spacer SleeveRing Gear Bolt Spacer Sleeve by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that delivers the...Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain$8.89 - $9.89
- Yukon Gear & Axle®Zip Locker Bulkhead Fitting O-RingZip Locker Bulkhead Fitting O-Ring by Yukon Gear & Axle®. The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the...Air operated locker provides on-demand tractionForged case & 4320 internals for added strength$12.89
- ARB®Air Locker SolenoidAir Locker Solenoid by ARB®. This heavy-duty and impact-resistant product is meant to make the adventures in your 4×4 a safer, funnier, and more memorable experience. Developed with quality as paramount importance, it meets the highest...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.47 - $130.00
- ARB®Air Locker SwitchAir Locker Switch by ARB®. In the toughest terrain, ARB Air Lockers give you the traction you need, precisely when you need it, and all at the flick of a switch.Provides 100% traction on demand without affecting on road drivability or driveline wearVastly improved traction means less reliance on momentum, which reduces the likelihood of vehicle damage and environmental impact$6.75 - $317.00
- ARB®Air Locker Switch BracketAir Locker Switch Bracket by ARB®. In the toughest terrain, ARB Air Lockers give you the traction you need, precisely when you need it, and all at the flick of a switch. Designed utilizing the latest technology, this product by ARB...Provides 100% traction on demand without affecting on road drivability or driveline wearVastly improved traction means less reliance on momentum, which reduces the likelihood of vehicle damage and environmental impact$7.84 - $35.00
- Alloy USA®Differential Ring Gear Bolt SleeveDifferential Ring Gear Bolt Sleeve by Alloy USA®. This ring gear bolt sleeve allows you to use 7/16" ring gear bolts on ring gears with 1/2" holes. Dominate the track or hit the trails with condidence by fine tuning your vehicle for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.19
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