2003 Chevy Trailblazer Differentials & Components

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    • (0 reviews)
      # 531143757
      Chevy Trailblazer / Trailblazer EXT with 8.62" Ring Gear 2003, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $198.95
    • (0 reviews)
      # 791437718
      Chevy Trailblazer / Trailblazer EXT 4WD with 7.2" Ring Gear with Independent Front Suspension with General Motors Series Axle 2003, Front Remanufactured Differential by Dahmer Powertrain®. Media Blasted Natural. This product is made of...
      Built to OE specifications with the latest updates componentsEngineered to provide quality unmatched in the industry
      $2,109.54
    • (0 reviews)
      # 531168083
      Chevy Trailblazer 2003, Axle Differential Bearing and Seal Kit 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
      $88.95 - $127.23
    • (0 reviews)
      # mpn2412912
      Chevy Trailblazer EXT LS with 8.5" Ring Gear 2003, Rear Differential Bearing Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the Differential Ring and Pinion...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $113.95
    • (0 reviews)
      # 212833688
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle 2003, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $89.33 - $173.16
    • (0 reviews)
      # 531096817
      Chevy Trailblazer 2003, 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 feature premium...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.07 - $11.93
    • (0 reviews)
      # 531092742
      Chevy Trailblazer 2003, 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 feature premium...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.43 - $19.35
    • (0 reviews)
      # 531080496
      Chevy Trailblazer 2003, 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 highly durable...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.74 - $5.21
    • (0 reviews)
      # 531054191
      Chevy Trailblazer 2003, 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 liquids,...
      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
      $5.07 - $8.76
    • (0 reviews)
      # 531117121
      Chevy Trailblazer 2003, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.21 - $4.37
    • (0 reviews)
      # mpn2035563
      Chevy Trailblazer with 7.5" Ring Gear / with 7.63" Ring Gear 2003, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.89
    • (0 reviews)
      # 531137342
      Chevy Trailblazer 2003, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal pressure when the pinion gear nut is...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.05 - $3.26
    • (0 reviews)
      # 531091149
      Chevy Trailblazer / Trailblazer EXT 2003, Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains the pinion shaft to the rear differential....
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # 1094971900
      Chevy Trailblazer / Trailblazer EXT 2003, Differential Seal by Dorman®. Dorman’s seals features long-lasting durability and convenience. It provides a tight, lasting seal to prevent contaminants from entering the hub and keep grease...
      Direct replacement for a proper fitOil-resistant
      $7.56 - $12.86
    • (0 reviews)
      # 531157253
      Chevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $22.38 - $43.97
    • (0 reviews)
      # 531198766
      Chevy Trailblazer 2003, GM Original Equipment™ Differential Pinion Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $28.08 - $38.79
    • (0 reviews)
      # 531117544
      Chevy Trailblazer 2003, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.06 - $17.21
    • (0 reviews)
      # mpn4517162217
      Chevy Trailblazer / Trailblazer EXT 2003, GM Original Equipment™ Front Passenger Side Differential Bearing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $36.53
    • (0 reviews)
      # 531194069
      Chevy Trailblazer / Trailblazer EXT with AAM Series Axle 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $6.15 - $11.44
    • (0 reviews)
      # 531103974
      Chevy Trailblazer / Trailblazer EXT with AAM Series Axle 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.08 - $40.44
    • (0 reviews)
      # 531093102
      Chevy Trailblazer / Trailblazer EXT with AAM Series Axle 2003, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.57 - $5.68
    • (0 reviews)
      # 531075664
      Chevy Trailblazer / Trailblazer EXT with AAM Series Axle 2003, 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...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $3.98 - $6.38
    • (0 reviews)
      # 531113222
      Chevy Trailblazer / Trailblazer EXT with AAM Series Axle 2003, Rear Axle Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $52.31 - $58.81
    • (0 reviews)
      # mpn273481
      Chevy Trailblazer 4WD 2003, Front 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
      $6.03
    • (0 reviews)
      # mpn358588733
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle 2003, Carrier Bearing Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $56.54
    • (0 reviews)
      # mpn358588574
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle with 30 Spline 2003, Differential Bearing Kit With Pinion 12-Bolt by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $54.66
    • (0 reviews)
      # mpn358588670
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle 2003, Differential Carrier Bearing Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $26.54
    • (0 reviews)
      # 212833695
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle 2003, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $16.22 - $20.83
    • (0 reviews)
      # mpn358588471
      Chevy Trailblazer EXT with 8.6" Ring Gear with General Motors Series Axle 2003, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $5.90
    • (0 reviews)
      # 503474503
      Chevy Trailblazer / Trailblazer EXT with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 2003, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (1 review)
      # 503572281
      Chevy Trailblazer / Trailblazer EXT with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 2003, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 503456474
      Chevy Trailblazer / Trailblazer EXT with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 2003, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503675305
      Chevy Trailblazer 2003, High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the...
      Smooth finishEasy Set-Up
      $282.95 - $503.50
    • (0 reviews)
      # mpn4517166654
      Chevy Trailblazer with 30 Spline with GM 8.6" Series Axle 2003, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth. The Yukon Dura...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37
    • (0 reviews)
      # mpn4517166816
      Chevy Trailblazer with 30 Spline with 2.73 and Up Gear Ratio with GM 8.6" Series Axle 2003, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # 503644219
      Chevy Trailblazer 2003, Standard Open Carrier Case 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...
      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
      $175.47 - $560.09
    • (0 reviews)
      # mpn4517170276
      Chevy Trailblazer with 28 Pinion Spline Count with GM 8" Series Axle with 10 Bolt with 10 Ring Gear Bolts 2003, OE Style™ Rear Ring and Pinion Gear Set by G2 Axle & Gear®. Location: Rear. G2 offers a line of OE gears that are an exact...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $319.99
    • (0 reviews)
      # 1029077550
      Chevy Trailblazer with 30 Spline with 2.73 and Up Gear Ratio with GM 8.6" Series Axle with 10 Bolt 2003, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. Location: Rear. The ECTED Max is a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 1028980972
      Chevy Trailblazer with 30 Spline with 2.73 and Up Gear Ratio with GM 8.6" Series Axle with 10 Bolt 2003, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 503320181
      Chevy Trailblazer / Trailblazer EXT with Open Differential with GM 8.5" Series Axle 2003, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503407508
      Chevy Trailblazer / Trailblazer EXT with Open Differential with GM 8.5" Series Axle 2003, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # mpn4517168259
      Chevy Trailblazer / Trailblazer EXT with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 2003, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # 503557580
      Chevy Trailblazer / Trailblazer EXT with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 2003, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $277.95
    • (0 reviews)
      # mpn4517166342
      Chevy Trailblazer / Trailblazer EXT with 8" Series Axle 2003, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48
    • (0 reviews)
      # 126483039
      Chevy Trailblazer 2003, Rear Differential Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $94.30 - $136.74
    • (0 reviews)
      # 503647190
      Chevy Trailblazer 2003, Rear Differential Carrier Gear Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $116.49 - $139.67
    • (0 reviews)
      # 503343456
      Chevy Trailblazer 2003, Rear Differential Master Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $117.53 - $149.85
    • (0 reviews)
      # mpn4517166046
      Chevy Trailblazer / Trailblazer EXT with 30 Spline with 8.6" Series Axle with 10 Bolt 2003, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $149.79
    • (0 reviews)
      # 503493053
      Chevy Trailblazer 2003, Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $160.44 - $273.35
    • (0 reviews)
      # 503683239
      Chevy Trailblazer 2003, Differential Master Overhaul Kit by Yukon Gear & Axle®. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $217.76 - $310.18
    • (0 reviews)
      # 503422328
      Chevy Trailblazer 2003, Differential Mini Installation Kit by Yukon Gear & Axle®. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all high quality...
      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
      $24.29 - $55.04
    • (0 reviews)
      # 503561456
      Chevy Trailblazer 2003, Differential Pinion Installation Kit by Yukon Gear & Axle®. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be...
      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
      $103.06 - $120.30
    • (0 reviews)
      # mpn4517167272
      Chevy Trailblazer with GM 8.6" Series Axle 2003, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low...
      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
      $77.23
    • (0 reviews)
      # 503604321
      Chevy Trailblazer 2003, Spider Gear Set 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...
      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
      $140.99 - $225.84
    • (0 reviews)
      # mpn4517171538
      Chevy Trailblazer with GM 8" Series Axle 2003, Rear Differential Installation Kit by G2 Axle & Gear®. Location: Rear. For low mileage vehicles, G2 offers installation kits that have all the same components as the master kits, sans the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $67.99
    • (0 reviews)
      # mpn4517171868
      Chevy Trailblazer with 25 Pinion Spline Count with GM 8" Series Axle with 10 Bolt with 10 Ring Gear Bolts 2003, Rear Differential Master Installation Kit by G2 Axle & Gear®. Location: Rear. G2’s master installation kits come complete...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $177.99
    • (0 reviews)
      # mpn4517169635
      Chevy Trailblazer with GM 8.625" Series Axle with 10 Bolt 2003, Differential Gear Installation Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $33.80
    • (0 reviews)
      # mpn4517168484
      Chevy Trailblazer / Trailblazer EXT with GM 8.5" Series Axle 2003, Differential Pinion Shaft by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $18.71
    • (0 reviews)
      # 503567044
      Chevy Trailblazer 2003, Differential Ring Gear Bolt by Motive Gear®. 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.47 - $4.39
    • (0 reviews)
      # mpn4517166247
      Chevy Trailblazer / Trailblazer EXT with GM 8.5" Series Axle 2003, Differential Ring Gear Spacer by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      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
      $45.62




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