1999 Pontiac Firebird Differentials & Components

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    • (0 reviews)
      # 765101774
      Pontiac Firebird with 7.5" Ring Gear / with 7.6" Ring Gear with GM Series Axle with 28 Spline 1999, 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...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $217.81 - $262.84
    • (0 reviews)
      # 531198843
      Pontiac Firebird with 7.5" Ring Gear / with 7.6" Ring Gear with 28 Spline Axle Shaft 1999, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $101.89 - $168.95
    • (0 reviews)
      # mpn739977015
      Pontiac Firebird Trans Am with 7.5" Ring Gear / with 7.6" Ring Gear with GM Series Axle with 28 Spline 1999, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $142.21
    • (0 reviews)
      # mpn2017975
      Pontiac Firebird with 7.63" Ring Gear 1st Generation 1999, Rear Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $64.77
    • (0 reviews)
      # mpn739976595
      Pontiac Firebird Trans Am with 7.5" Ring Gear / with 7.6" Ring Gear with GM Series Axle with 28 Spline 1999, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $114.55
    • (0 reviews)
      # mpn739977047
      Pontiac Firebird Trans Am with 7.5" Ring Gear / with 7.6" Ring Gear with GM Series Axle with 28 Spline 1999, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $88.41
    • (0 reviews)
      # mpn739976896
      Pontiac Firebird Trans Am with 7.5" Ring Gear / with 7.6" Ring Gear with GM Series Axle with 28 Spline 1999, Rear Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $102.61
    • (0 reviews)
      # mpn1579934573
      Pontiac Firebird with 7.6" Ring Gear with GM Series Axle 1999, Differential Gear Kit by American Axle®. Designed utilizing the latest technology, this product by American Axle features premium quality and will perform better than...
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $113.05
    • (0 reviews)
      # mpn358588620
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $14.10
    • (0 reviews)
      # mpn358588430
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, Differential Installation 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
      $36.45
    • (0 reviews)
      # mpn2035563
      Pontiac Firebird with 7.5" Ring Gear / with 7.63" Ring Gear / with 8.5" Ring Gear with B Series Axle / with C Series Axle / with G Series Axle / with K Series Axle / with O Series Axle 1999, Rear Differential Bearing by Timken®. Get...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.88
    • (0 reviews)
      # 531195659
      Pontiac Firebird with 7.5" Ring Gear / with 7.63" Ring Gear 1999, Rear Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.35 - $15.98
    • (0 reviews)
      # 531147502
      Pontiac Firebird with 7.5" Ring Gear / with 7.63" Ring Gear 1999, Rear 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.71 - $8.19
    • (0 reviews)
      # mpn2054383
      Pontiac Firebird with 7.5" Ring Gear / with 7.63" Ring Gear 1999, 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
      $8.68
    • (0 reviews)
      # mpn2020911
      Pontiac Firebird with 7.5" Ring Gear / with 7.63" Ring Gear / with 8.5" Ring Gear with B Series Axle / with C Series Axle / with G Series Axle / with K Series Axle / with O Series Axle 1999, Rear Differential Race by Timken®. Precision...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.34
    • (0 reviews)
      # mpn2377090
      Pontiac Firebird with 7.5" Ring Gear / with 7.625" Ring Gear 1999, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.80
    • (0 reviews)
      # mpn2377088
      Pontiac Firebird 1999, 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 differential. The Bolt is...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.73
    • (0 reviews)
      # mpn864657673
      Pontiac Firebird 1999, GM Original Equipment™ Differential Magnet 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.21
    • (0 reviews)
      # 531064986
      Pontiac Firebird 1999, 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
      $8.83 - $14.83
    • (0 reviews)
      # mpn2660238291
      Pontiac Firebird 1999, GM Original Equipment™ Rear Differential Bearing - Side Of Rear Axle by ACDelco®. Location: Side Of Rear Axle. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $29.87
    • (0 reviews)
      # 531186013
      Pontiac Firebird 1999, GM Original Equipment™ Rear 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $30.06 - $44.32
    • (0 reviews)
      # mpn4524602264
      Pontiac Firebird 1999, GM Original Equipment™ Rear Rearward 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 to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $58.86
    • (0 reviews)
      # 1086487401
      Pontiac Firebird 1999, Professional™ Rear Differential Bearing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $50.85 - $60.80
    • (0 reviews)
      # mpn1074426
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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
      $8.46
    • (0 reviews)
      # mpn1074425
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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
      $4.28
    • (0 reviews)
      # mpn4576818647
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, Rear Axle Standard Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $80.22
    • (0 reviews)
      # 531085324
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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
      $7.29 - $15.52
    • (0 reviews)
      # 531167740
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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....
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.68 - $9.16
    • (0 reviews)
      # mpn1290815
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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
      $18.66
    • (0 reviews)
      # mpn1307918
      Pontiac Firebird with 7.625" Ring Gear with AAM Series Axle 1999, 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...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $9.72
    • (0 reviews)
      # mpn358588599
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, 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 perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.93
    • (0 reviews)
      # mpn358588627
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, Differential Bearing Spacer With Shim Pack 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
      $11.53
    • (0 reviews)
      # mpn358588671
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, Differential Carrier Bearing Set 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
      $23.99
    • (0 reviews)
      # mpn358588466
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, Differential Pinion Nut 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
      $2.42
    • (0 reviews)
      # mpn358588439
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, Pinion Shim Set 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
      $8.70
    • (0 reviews)
      # mpn358588458
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, 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 perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $16.80
    • (0 reviews)
      # mpn358588434
      Pontiac Firebird with 7.5" Ring Gear with GM Series Axle 1999, 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.89
    • (0 reviews)
      # 1471737855
      Pontiac Firebird with 7.5" Ring Gear 1999, Rear Differential Rebuild Kit by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle...
      Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability
      $103.95 - $134.67
    • (0 reviews)
      # mpn4554792024
      Pontiac Firebird with GM 7.5" Series Axle / with GM 7.625" Series Axle with TrueTrac Differential 1999, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle equipped with...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $65.36
    • (0 reviews)
      # mpn4515293275
      Pontiac Firebird with GM 7.5" Series Axle with 10 Bolt 1999, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.99
    • (0 reviews)
      # mpn4515290619
      Pontiac Firebird with GM 7.5" Series Axle / with GM 8.5" Series Axle 1999, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 990421242
      Pontiac Firebird 1999, Differential Pinion Seal by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515294792
      Pontiac Firebird with GM 7.5" Series Axle 1999, Ring Gear Spacer by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $52.99
    • (0 reviews)
      # 990396351
      Pontiac Firebird with GM 7.5" Series Axle with 10 Bolt 1999, Ring and Pinion Gear Set by AllStar Performance®. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer, and/or birth defects...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # mpn4515294757
      Pontiac Firebird with GM 7.5" Series Axle with 10 Bolt 1999, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $99.99
    • (0 reviews)
      # mpn4561984265
      Pontiac Firebird with GM 7.5" Series Axle 1999, Differential Pinion Seal by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.02
    • (0 reviews)
      # 1029106491
      Pontiac Firebird with 28 Spline with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt 1999, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives...
      Expertly crafted from superior materialsProvides exceptional reliability
      $441.00
    • (0 reviews)
      # 1029320493
      Pontiac Firebird with 28 Spline with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt 1999, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio and...
      Expertly crafted from superior materialsProvides exceptional reliability
      $507.78
    • (0 reviews)
      # 503450483
      Pontiac Firebird with 28 Spline with 3.08 and Down Gear Ratio / with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt 1999, Rear Differential Spring Retainer Service Kit by Auburn Gear®. Dominate...
      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
      $111.89
    • (0 reviews)
      # mpn4517170836
      Pontiac Firebird with 28 Spline with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt 1999, Road Race™ Rear Limited Slip Differential by Auburn Gear®. Auburn Gear, LLC. Has developed a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $512.82
    • (0 reviews)
      # mpn4517168374
      Pontiac Firebird with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1999, Detroit Locker™ Rear Differential by Eaton®. The Detroit Locker is a 100%-automatic...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $759.51
    • (0 reviews)
      # mpn4517170389
      Pontiac Firebird with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1999, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear...
      Helical-style pinion gearsLimited-slip operation
      $477.62
    • (0 reviews)
      # mpn4517168023
      Pontiac Firebird with 3.23 and Up Gear Ratio with GM 7.5" Series Axle / with GM 7.625" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1999, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents...
      Superior rebuildable designRace-bred carbon friction discs
      $504.99
    • (0 reviews)
      # 1028929013
      Pontiac Firebird 1999, Differential Carrier Shim 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 quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $17.82 - $21.99
    • (0 reviews)
      # mpn4517169338
      Pontiac Firebird with Aftermarket Gear Set with 7.5" Series Axle with 10 Bolt 1999, Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.80
    • (0 reviews)
      # mpn4517166412
      Pontiac Firebird with 7.625" Series Axle 1999, 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
      $53.68
    • (0 reviews)
      # mpn4517170855
      Pontiac Firebird with GM 7.5" Series Axle with 10 Bolt 1999, Differential Pinion Bearing Kit by Motive Gear®. With Premium Timken Bearings. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $66.17
    • (0 reviews)
      # mpn4517167740
      Pontiac Firebird with Chrysler 7.25" Series Axle / with Chrysler 8" Series Axle / with Chrysler 8.25" Series Axle / with Chrysler 8.375" Series Axle / with Chrysler 9.25" Series Axle / with GM 7.2" Series Axle / with GM 7.5" Series Axle...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.86
    • (0 reviews)
      # mpn4517167924
      Pontiac Firebird with 7.5" Series Axle with 10 Bolt 1999, Differential Pinion Seal 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $5.40
    • (0 reviews)
      # mpn4517166414
      Pontiac Firebird with 7.2" Series Axle / with 7.5" Series Axle / with 7.25" Series Axle / with 7.75" Series Axle / with 7.625" Series Axle / with 8.2" Series Axle / with 8.5" Series Axle / with 8.875" Series Axle / with Dana 44 Series...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $11.39




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