1973 Pontiac Catalina Differentials & Components

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    • (0 reviews)
      # 1148467927
      Pontiac Catalina 1973, Rear Ring and Pinion Gear Set by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $199.66 - $303.73
    • (0 reviews)
      # 531102982
      Pontiac Catalina with 8.5" Ring Gear 1973, 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 axles. It's robust...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $198.95
    • (0 reviews)
      # mpn739977036
      Pontiac Catalina with 89 Case Housing with 8.75" Ring Gear with Chrysler Series Axle 1973, Rear Drop Out Case by USA Standard Gear®. This product is made of high-quality materials to serve you for years to come. Designed using...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $334.54
    • (0 reviews)
      # 68641652
      Pontiac Catalina with 42 Case Housing / with 89 Case Housing with 8.75" Ring Gear with Chrysler Series Axle 1973, Rear Positraction by USA Standard Gear®. This product is made of high-quality materials to serve you for years to come....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $587.29
    • (1 review)
      # 111379880
      Pontiac Catalina 1973, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. When it comes to a top-notch...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $131.16 - $323.81
    • (0 reviews)
      # 531099461
      Pontiac Catalina with 8.5" Ring Gear 1973, Rear 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $63.91 - $106.01
    • (0 reviews)
      # mpn2412739
      Pontiac Catalina with 8.5" Ring Gear 1973, 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 readily on...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $104.95
    • (0 reviews)
      # mpn739976893
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, Front / Rear Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $132.42
    • (0 reviews)
      # 68641505
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA Standard...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $91.36 - $126.09
    • (0 reviews)
      # mpn739977048
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, Rear Mini Spool by USA Standard Gear®. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. When it comes to a...
      Installs into a standard open carrier caseProvides 100% traction to both wheels at all times
      $92.55
    • (0 reviews)
      # mpn739977046
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.77
    • (0 reviews)
      # mpn358588626
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 30 Pinion Spline 1973, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.40
    • (0 reviews)
      # mpn358588602
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Complete Series™ Differential Kit 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
      $78.34
    • (0 reviews)
      # mpn358588584
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Deluxe Series Differential Kit With Pinion 10-Bolt by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $112.14
    • (0 reviews)
      # mpn358588444
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Installation Kit 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
      $36.55
    • (0 reviews)
      # 531125810
      Pontiac Catalina 1973, 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.11 - $10.54
    • (0 reviews)
      # mpn2035566
      Pontiac Catalina with 8.75" Ring Gear / with 8.88" Ring Gear with M Series Axle / with P Series Axle 1973, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.93
    • (0 reviews)
      # mpn2054350
      Pontiac Catalina with 8.5" Ring Gear / with 8.75" Ring Gear / with 8.88" Ring Gear 1973, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate...
      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
      $5.03
    • (0 reviews)
      # 531051641
      Pontiac Catalina 1973, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.21 - $5.55
    • (0 reviews)
      # mpn2079326
      Pontiac Catalina with 8.88" Ring Gear 1973, Rear Inner Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...
      Designed to effectively reduce frictionUltimate load handling capability
      $16.59
    • (0 reviews)
      # mpn2079325
      Pontiac Catalina with 8.88" Ring Gear 1973, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $11.82
    • (0 reviews)
      # mpn2889949607
      Pontiac Catalina 1973, Advantage™ Rear 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 utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.15
    • (0 reviews)
      # mpn3065960247
      Pontiac Catalina with 8.5" Ring Gear 1973, Advantage™ Rear Differential Carrier Bearing Race With 1.7812" ID by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.29
    • (0 reviews)
      # 531122364
      Pontiac Catalina with GM Series Axle 1973, Rear 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78 - $11.44
    • (0 reviews)
      # mpn1074425
      Pontiac Catalina with 8.5" Ring Gear with GMC Transmission 1973, Rear 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531173142
      Pontiac Catalina with 8.5" Ring Gear with GM Series Axle 1973, 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
      $73.80 - $88.29
    • (0 reviews)
      # 531087294
      Pontiac Catalina with GM Series Axle 1973, Rear 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.07 - $17.50
    • (0 reviews)
      # 531085357
      Pontiac Catalina with GM Series Axle 1973, 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 the...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $11.17
    • (0 reviews)
      # mpn1179154
      Pontiac Catalina with 8.5" Ring Gear / with 8.875" Ring Gear with GMC Transmission 1973, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to...
      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
      $20.11
    • (0 reviews)
      # mpn1307881
      Pontiac Catalina with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1973, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $5.30
    • (0 reviews)
      # mpn1461779754
      Pontiac Catalina 1973, Differential Vent Valve by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $27.92
    • (0 reviews)
      # mpn1902176458
      Pontiac Catalina 1973, Posi-Traction Filler Tag by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $35.47
    • (0 reviews)
      # mpn107479756
      Pontiac Catalina with 12 Bolt Housing Cover 1973, Rear Axle Vent Tube With Cap by Goodmark®. Some other restoration sheet metal companies may carry popular panels like hoods, fenders and quarter panels, but far too often they come up...
      Faithful reproduction of the original partHighest quality sheet metal parts available
      $10.76
    • (0 reviews)
      # 202160696
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 30 Spline 1973, Differential Bearing 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
      $51.45 - $54.66
    • (0 reviews)
      # mpn358588625
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Bearing Spacer With Shim Pack 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
      $12.62
    • (0 reviews)
      # mpn358588732
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Carrier Bearing Set by Ratech®. Bearings designed for use when installing aftermarket carriers only (Eaton, Moroso, ARB). These are not stock...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $26.08
    • (0 reviews)
      # mpn358588668
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle with 28 Pinion Spline 1973, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $11.89
    • (0 reviews)
      # mpn358588647
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Pinion Seal 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
      $4.59
    • (0 reviews)
      # mpn358588440
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Differrential Carrier Shim Set 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
      $23.83
    • (0 reviews)
      # mpn358588458
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $14.72
    • (0 reviews)
      # mpn358588433
      Pontiac Catalina with 8.5" Ring Gear with General Motors Series Axle 1973, Smart Sleeve Crush Sleeve 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
      $9.62
    • (0 reviews)
      # 503462063
      Pontiac Catalina with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1973, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (0 reviews)
      # mpn4517168181
      Pontiac Catalina with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, Differential Carrier by Motive Gear®. Without Internal Kit. All Motive Gear products are engineered for their specific application and manufactured...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503544480
      Pontiac Catalina with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1973, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 503585107
      Pontiac Catalina with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1973, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # mpn4517168680
      Pontiac Catalina with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter with Manual Locking Hubs 1973, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79
    • (0 reviews)
      # mpn4517169686
      Pontiac Catalina with Chrysler 8.75" Series Axle with 42 Case Housing / with 89 Case Housing 1973, Rear Dropout Housing by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your...
      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
      $420.94
    • (0 reviews)
      # 1029034662
      Pontiac Catalina with 28 Spline with GM 8.5" Series Axle 1973, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment....
      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
      Pontiac Catalina with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1973, 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)
      # 503675491
      Pontiac Catalina 1973, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions....
      Smooth finishEasy Set-Up
      $288.29 - $503.50
    • (0 reviews)
      # 115962649
      Pontiac Catalina with 28 Spline 1973, Rear Standard Open Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed...
      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
      $143.67 - $254.96
    • (0 reviews)
      # mpn4517168131
      Pontiac Catalina M / P / S / W Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker....
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # mpn4517165875
      Pontiac Catalina M / P / S / W Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # mpn4517165894
      Pontiac Catalina M / P / S / W Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up...
      Expertly crafted from superior materialsProvides exceptional reliability
      $518.98
    • (0 reviews)
      # 503667329
      Pontiac Catalina with Open Differential with GM 8.5" Series Axle 1973, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503327116
      Pontiac Catalina with Open Differential with GM 8.5" Series Axle 1973, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # mpn4517168259
      Pontiac Catalina with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1973, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # 503494112
      Pontiac Catalina 1973, Street 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $345.75
    • (0 reviews)
      # mpn4517166232
      Pontiac Catalina with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1973, Differential Carrier Gear Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.77
    • (0 reviews)
      # 126505867
      Pontiac Catalina with GM 8.5" Series Axle 1973, 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. All of company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $49.53 - $59.93




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