2003 Audi A4 Differentials & Components

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    • (0 reviews)
      # mpn1303701
      Audi 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
      $18.46
    • (1 review)
      # 531127972
      Audi 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
      $7.44 - $9.83
    • (0 reviews)
      # 531200445
      Audi 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
      $4.05 - $4.77
    • (0 reviews)
      # mpn2088068
      Audi 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
      $19.45
    • (0 reviews)
      # mpn194443439
      Audi 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
      $7.94
    • (1 review)
      # mpn2006959
      Audi A4 Quattro 2003, Rear Passenger Side Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $8.54
    • (0 reviews)
      # mpn1995293
      Audi 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
      $4.21
    • (0 reviews)
      # mpn1995328
      Audi 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
      $19.58
    • (0 reviews)
      # 531121089
      Audi A4 2003, Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure ultimate performance and...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $9.87 - $27.26
    • (0 reviews)
      # 531162828
      Audi A4 2003, Axle Differential Bearing 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 to the original equipment...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.37 - $11.33
    • (0 reviews)
      # 531098328
      Audi A4 2003, Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure ultimate performance and...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.63 - $16.18
    • (0 reviews)
      # 531106693
      Audi A4 Quattro with Torsen T2 Transmission 2003, Rear Axle Differential Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Single-Lip
      $4.59
    • (0 reviews)
      # 531047643
      Audi A4 Quattro with Torsen T2 Series Axle 2003, Rear 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 to...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.69 - $12.70
    • (0 reviews)
      # mpn1307906
      Audi A4 Quattro with Torsen T2 Series Axle 2003, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $6.71
    • (0 reviews)
      # mpn1179150
      Audi A4 Quattro 2003, Rear Passenger Side 2.087" Differential Pinion Repair Sleeve 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...
      National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications
      $20.30
    • (0 reviews)
      # mpn4974
      Audi 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
      $17.24
    • (0 reviews)
      # 860964828
      Audi A4 1.8L Standard Transmission 2003, Driver Side Output Differential Seal by DPH®. 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...
      Crafted from the highest grade materialsDeveloped with modern technology and innovation
      $2.41
    • (0 reviews)
      # 531145017
      Audi A4 2003, Passenger Side Differential Bearing by Rein®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what the doctor ordered if you need to restore and...
      OE fit, form, and functionDesigned to fit the first time, without modifications
      $12.67 - $13.95
    • (0 reviews)
      # 785918124
      Audi A4 2003, Front Output Differential Seal by ZF®. ZF® is a global leader in driveline and chassis technology as well as active and passive safety technology. ZF® annually invests about six percent of its sales in research and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.62 - $15.43
    • (0 reviews)
      # 790396633
      Audi A4 1.8L Standard Transmission 2003, Rear Output Differential Carrier Seal by Corteco®. Dust Cover with dust lip. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      Designed specifically for your carPerfect Fit, Perfect Quality, Perfect Durability
      $8.45
    • (0 reviews)
      # mpn4565840412
      Audi A4 Quattro With Rear Axle 2003, Differential by Wavetrac®. Wavetrac® diffs are state-of-the-art helical gear differentials designed, developed, and manufactured in the USA. The Wavetrac® Differential is the only torque biasing...
      Patented design automatically improves grip in low traction conditions9310 steel gears run in case-hardened billet or forged steel bodies
      $1,245.50
    • (0 reviews)
      # 503442338
      Housing End T-Bolt by 9-Plus®. Designed utilizing the latest technology, this product by 9-Plus features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      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
      $1.95 - $162.83
    • (1 review)
      # 1029160586
      OE Style™ Ring and Pinion Gear Set by G2 Axle & Gear®. G2 offers a line of OE gears that are an exact match to the factory gears found at dealerships. These gears are a great option for installers who work with dealerships and fleet...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $319.99 - $359.99
    • (0 reviews)
      # 976617070
      TorqueWorm™ Limited Slip Differential by Speedmaster®. Designed utilizing the latest technology, this product by Speedmaster features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $368.28 - $544.50
    • (0 reviews)
      # 1346720896
      Differential Main Cap by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $116.33 - $117.14
    • (0 reviews)
      # 503520490
      Differential Master Installation Kit by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $144.72 - $226.80
    • (0 reviews)
      # 503622062
      Differential Pinion Bearing by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $23.51 - $234.37
    • (0 reviews)
      # 1028946983
      Differential Pinion Depth Shim by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $10.03 - $72.44
    • (0 reviews)
      # 1029020552
      Differential Pinion Seal by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $15.20 - $17.24
    • (0 reviews)
      # 503467248
      Differential Pinion Support by Strange®. 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...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $137.38 - $346.04
    • (0 reviews)
      # 503502468
      Spool Bearing Kit by Strange®. 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 and...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $56.91 - $91.21
    • (0 reviews)
      # 1190471085
      Ultra Case Package by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,142.83 - $1,221.27
    • (0 reviews)
      # 1029363529
      Differential Adapter Sleeve by Yukon Gear & Axle®. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $12.01 - $43.67
    • (0 reviews)
      # 1029303516
      Trac Loc Positraction by Yukon Gear & Axle®. Companies have tried to reproduce the factory Ford 8" and 9" Trac Loc with limited success. Yukon took on this project by looking for ways to make it better. By designing a thicker 1541H...
      Forged case and billet steel left case halfForged 4320 internals for maximum strength
      $456.18 - $592.69
    • (0 reviews)
      # mpn4565782452
      Audi A4 Quattro Standard Transmission 2003, Differential Pinion Seal by Corteco®. Dust Cover with dust lip. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      Designed specifically for your carPerfect Fit, Perfect Quality, Perfect Durability
      $5.67
    • (0 reviews)
      # mpn1538760031
      Audi A4 Quattro 1.8L / 3.0L 2003, Rear Differential Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car...
      Designed to meet or exceed OE specificationsConstructed to deliver consistent performance
      $22.91
    • (0 reviews)
      # mpn2088069
      Audi A4 / A4 Quattro 2003, Rear Inner Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $16.32
    • (0 reviews)
      # mpn4525249191
      Audi A4 Quattro with Torsen T2 Series Axle 2003, Advantage™ Rear Outer Differential Pinion Race by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.25


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