1980 Pontiac Firebird Differentials & Components

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    • (0 reviews)
      # 111380381
      Pontiac Firebird with General Motors Series Axle 1980, 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...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $199.66 - $303.73
    • (0 reviews)
      # 531087355
      Pontiac Firebird 1980, 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 steel construction...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $115.44 - $198.95
    • (1 review)
      # 68642708
      Pontiac Firebird Trans Am with General Motors Series Axle 1980, 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...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $122.95 - $137.84
    • (0 reviews)
      # 531171056
      Pontiac Firebird with 8.5" Ring Gear 1980, 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 Firebird with 8.5" Ring Gear 1980, 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)
      # 68642625
      Pontiac Firebird Trans Am with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1980, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $91.36 - $126.09
    • (0 reviews)
      # mpn739977048
      Pontiac Firebird with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1980, 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 Firebird Trans Am with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1980, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.77
    • (0 reviews)
      # 68642817
      Pontiac Firebird Trans Am with General Motors Series Axle 1980, Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets for...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $102.61 - $132.42
    • (0 reviews)
      # 202161090
      Pontiac Firebird with General Motors Series Axle 1980, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.40 - $15.44
    • (0 reviews)
      # 202161103
      Pontiac Firebird with General Motors Series Axle 1980, Complete Series™ Differential Kit 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
      $78.34 - $79.71
    • (0 reviews)
      # mpn358588584
      Pontiac Firebird with 8.5" Ring Gear with General Motors Series Axle 1980, 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)
      # 202161135
      Pontiac Firebird with General Motors Series Axle 1980, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $36.55 - $39.82
    • (0 reviews)
      # 531047204
      Pontiac Firebird 1980, 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 Firebird with 8.75" Ring Gear / with 8.88" Ring Gear with M Series Axle / with P Series Axle 1980, 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 Firebird with 8.5" Ring Gear / with 8.75" Ring Gear 1980, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants...
      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)
      # 531092072
      Pontiac Firebird 1980, 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)
      # mpn2377089
      Pontiac Firebird with 8.5-8.75" Ring Gear 1980, Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal pressure when...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.07
    • (0 reviews)
      # mpn2377088
      Pontiac Firebird with 8.5" Ring Gear 1980, Rear 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...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # mpn1074426
      Pontiac Firebird with 8.5" Ring Gear with GM Series Axle 1980, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78
    • (0 reviews)
      # mpn1074425
      Pontiac Firebird with 8.5" Ring Gear with GMC Transmission 1980, 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)
      # 531151589
      Pontiac Firebird with 8.5" Ring Gear with GM Series Axle 1980, 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)
      # 531086943
      Pontiac Firebird with 8.5" Ring Gear with GM Series Axle 1980, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.07 - $10.74
    • (0 reviews)
      # 531143746
      Pontiac Firebird with 8.5" Ring Gear with GM Series Axle 1980, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $5.68
    • (0 reviews)
      # mpn1179154
      Pontiac Firebird with 8.5" Ring Gear with GMC Transmission 1980, Rear Outer 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...
      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 Firebird with 8.5" Ring Gear with GM Series Axle 1980, 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...
      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)
      # mpn358588599
      Pontiac Firebird with 7.5" Ring Gear with General Motors Series Axle 1980, 0.620" Crush Sleeve 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
      $3.83
    • (0 reviews)
      # 202161178
      Pontiac Firebird with General Motors Series Axle 1980, Differential Bearing Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $51.45 - $55.04
    • (0 reviews)
      # 202161168
      Pontiac Firebird with General Motors Series Axle 1980, Differential Bearing Spacer by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.62
    • (0 reviews)
      # 202161120
      Pontiac Firebird with General Motors Series Axle 1980, Differential Carrier Bearing Set by Ratech®.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.34 - $26.08
    • (0 reviews)
      # 202161111
      Pontiac Firebird with General Motors Series Axle 1980, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $11.89 - $19.11
    • (0 reviews)
      # mpn358588466
      Pontiac Firebird with 7.5" Ring Gear with General Motors Series Axle 1980, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $2.62
    • (0 reviews)
      # mpn358588647
      Pontiac Firebird with 8.5" Ring Gear with General Motors Series Axle 1980, 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 Firebird with 8.5" Ring Gear with General Motors Series Axle 1980, 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)
      # mpn358588439
      Pontiac Firebird with 7.5" Ring Gear with General Motors Series Axle 1980, Pinion Shim 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
      $9.53
    • (0 reviews)
      # mpn358588458
      Pontiac Firebird with 7.5" Ring Gear / with 8.5" Ring Gear with General Motors Series Axle 1980, Ring Gear Bolt Set 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
      $14.72
    • (0 reviews)
      # 202161159
      Pontiac Firebird with General Motors Series Axle 1980, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.62
    • (0 reviews)
      # 503339290
      Pontiac Firebird with 10 Bolt 1980, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup,...
      Quiet operationComputer controlled heat treatment
      $144.79 - $156.44
    • (0 reviews)
      # mpn4517168181
      Pontiac Firebird with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1980, 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)
      # 503484084
      Pontiac Firebird with 10 Bolt 1980, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, we never...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Pontiac Firebird with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1980, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 503438553
      Pontiac Firebird with 10 Bolt 1980, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 97197996
      Pontiac Firebird 1980, Ring and Pinion Gear Set by Alloy USA®. Mounting larger diameter wheels and tires requires a gear ratio change to maintain the same performance. But even if you're not getting new skins, changing to a lower gear...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # mpn4517168100
      Pontiac Firebird 3.8L / 4.9L / 5.0L with 2.73 to 5.13 Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1980, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $762.26
    • (0 reviews)
      # mpn4517168391
      Pontiac Firebird 4.9L / 5.0L with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1980, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear...
      Helical-style pinion gearsLimited-slip operation
      $496.63
    • (0 reviews)
      # mpn4517168680
      Pontiac Firebird 3.8L / 4.9L / 5.0L 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 1980, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79
    • (0 reviews)
      # mpn4517172801
      Pontiac Firebird Trans Am with 26 Spline / with 28 Spline with 3.23 and Up Gear Ratio with GM 7.5" Series Axle 1980, Rear Dura Grip Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit 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
      $254.96
    • (0 reviews)
      # 503321240
      Pontiac Firebird Trans Am 1980, 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. Steel clutch plates, half of...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37 - $521.31
    • (0 reviews)
      # mpn4517166816
      Pontiac Firebird Trans Am with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1980, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # 68642672
      Pontiac Firebird Trans Am 1980, 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...
      Smooth finishEasy Set-Up
      $262.49 - $503.50
    • (0 reviews)
      # 68642670
      Pontiac Firebird Trans Am with 28 Spline 1980, 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...
      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 Firebird 4.9L / 5.0L with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1980, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. Location: Rear. The ECTED Max...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 1029353500
      Pontiac Firebird with 10 Bolt 1980, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029222501
      Pontiac Firebird with 10 Bolt 1980, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $518.98
    • (0 reviews)
      # 503543299
      Pontiac Firebird with Open Differential 1980, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26 - $406.60
    • (0 reviews)
      # 503618468
      Pontiac Firebird with Open Differential 1980, 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 differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 503402160
      Pontiac Firebird with 28 Spline 1980, 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 set of carbon clutch discs to provide traction as...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # 503674040
      Pontiac Firebird with 10 Bolt 1980, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $279.10
    • (0 reviews)
      # 503462285
      Pontiac Firebird with 10 Bolt 1980, Differential Bearing 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 products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.92 - $103.58
    • (0 reviews)
      # mpn4517166232
      Pontiac Firebird with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1980, 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




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