1973 Mercury Comet Differentials & Components

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    • (0 reviews)
      # mpn2412746
      Mercury Comet with 3.50 Ratio with 9" 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....
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $109.02
    • (0 reviews)
      # 451316563
      Mercury Comet 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 variety...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $192.50 - $272.88
    • (0 reviews)
      # mpn4248515457
      Mercury Comet with Ford 9" Series Axle with 28 Spline / with 31 Spline 1973, Rear Spartan Locker by USA Standard Gear®. The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. The Spartan locker's design does...
      Made from 9310 steel for added strengthReplaces the spiders in a standard carrier case
      $345.94
    • (0 reviews)
      # 531125933
      Mercury Comet 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 bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $98.63 - $99.40
    • (0 reviews)
      # mpn739976599
      Mercury Comet with LM102949 Carrier Races with Ford 9" Series Axle with 28 Spline / with 31 Spline 1973, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $95.76
    • (0 reviews)
      # 451309250
      Mercury Comet 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 replacement...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $140.52 - $212.40
    • (0 reviews)
      # 451325528
      Mercury Comet with Ford 9" Series Axle 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 top-notch replacement for your worn out factory...
      Installs into a standard open carrier caseProvides 100% traction to both wheels at all times
      $31.28
    • (0 reviews)
      # mpn739977057
      Mercury Comet with Ford 9" Series Axle with 28 Spline / with 31 Spline / with 35 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....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $81.82
    • (0 reviews)
      # 451317182
      Mercury Comet 1973, Rear 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 a variety of common and hard to find...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $120.13 - $152.41
    • (0 reviews)
      # 451349352
      Mercury Comet with Ford 9" Series Axle 1973, Rear Spool by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This product is made of high-quality materials to serve you for years to come....
      Provides 100% traction to both wheels at all timesNot recommended for street driven vehicles
      $105.11 - $176.30
    • (0 reviews)
      # mpn358588464
      Mercury Comet GM 8" Axle 1973, Differential Installation Kit by Ratech®. Made in USA. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $38.48
    • (0 reviews)
      # 531050329
      Mercury Comet 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 design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.75 - $17.55
    • (0 reviews)
      # 531078319
      Mercury Comet 1973, Rear 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
      $8.89 - $9.58
    • (0 reviews)
      # 531147270
      Mercury Comet 1973, Rear 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
      $7.58 - $19.54
    • (0 reviews)
      # 531072421
      Mercury Comet 1973, Rear Differential Pinion Pilot Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature...
      Designed to effectively reduce frictionUltimate load handling capability
      $21.73 - $22.54
    • (0 reviews)
      # 531173254
      Mercury Comet 1973, Rear 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
      $6.15 - $6.23
    • (0 reviews)
      # 531150428
      Mercury Comet 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
      $4.29 - $7.22
    • (0 reviews)
      # mpn2006957
      Mercury Comet with 7.5" Ring Gear / with 7.75" Ring Gear / with 8" Ring Gear with WCY Series Axle / with WEZ Series Axle 1973, Rear Outer Differential Pinion Race by Timken®. Seal OD: 2.66"/3.17". Precision manufactured using premium...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.63
    • (0 reviews)
      # 531091930
      Mercury Comet 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 ensure ultimate...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.28 - $9.40
    • (0 reviews)
      # mpn1290823
      Mercury Comet with Ford 8" Ring Gear 1973, Rear Differential Pinion Race by National®. Cup Bore: 2.53". Cup Length: 0.656". This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.67
    • (0 reviews)
      # mpn1179151
      Mercury Comet with 8" Ring Gear with Ford Transmission 1973, Rear Differential Pinion Repair Sleeve by National®. Outer Diameter: 2.156". Width: 0.563". This part is manufactured by one of the most trusted names in the automotive...
      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
      $19.97
    • (0 reviews)
      # mpn1473421
      Mercury Comet with Ford 8" Ring Gear 1973, Rear Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind,...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $6.82
    • (0 reviews)
      # mpn1578521262
      Mercury Comet with 4 Pinion Gear with Ford 9" Series Axle 1973, Rear Differential Carrier by Motive Gear®. Without Internal Kit. Carrier Type: Posi. 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
      $204.46
    • (0 reviews)
      # 742273475
      Mercury Comet 1973, Rear 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 use recycled...
      Central contact patternCNC start to finish
      $203.94 - $718.77
    • (0 reviews)
      # 742260434
      Mercury Comet with Ford 9" Series Axle with Dual Drilled for 1/2" Ring Gear Bolts / with Dual Drilled for 7/16" Ring Gear Bolts with 10 Bolt 1973, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Type: Lightweight. Motive Gear...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $341.48 - $561.60
    • (0 reviews)
      # 742198778
      Mercury Comet with Ford 9" Series Axle with 10 Bolt 1973, Rear 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...
      Quiet operationComputer controlled heat treatment
      $193.74 - $245.52
    • (0 reviews)
      # 503373345
      Mercury Comet with Ford 8" Series Axle with 3.00 and Up Gear Ratio 1973, Pro™ Rear Differential by Auburn Gear®. Type: Limited Slip. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction...
      Expertly crafted from superior materialsProvides exceptional reliability
      $488.38
    • (0 reviews)
      # 742263410
      Mercury Comet 1973, Grip LS Traction System by Powertrax®. Type: Open. 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 needed, is...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $389.00
    • (0 reviews)
      # 742032719
      Mercury Comet with Ford 9" Series Axle 1973, Grip Lok Traction System by Powertrax®. Type: Open. If you are looking for the ultimate in traction, the Powertrax Grip Lok can handle the torque of engines producing up to 550hp. It combines...
      Comes Fully AssembledTraction Adding Differential Technology
      $515.54 - $563.35
    • (0 reviews)
      # 742268414
      Mercury Comet 1973, Grip Pro Traction System by Powertrax®. The Powertrax Grip PRO is a gear driven limited slip differential designed to be among the strongest and most durable in the industry. It combines the smooth operation of a...
      Comes Fully AssembledDelivers Progressive and Variable Traction
      $453.13 - $525.00
    • (0 reviews)
      # mpn359112073
      Mercury Comet with Open Differential with 28 Spline / with 31 Spline with Ford 8" Series Axle / with Ford 9" Series Axle 1973, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $301.08
    • (0 reviews)
      # 742153767
      Mercury Comet with Open Differential 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 differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $450.54
    • (0 reviews)
      # 742410401
      Mercury Comet with Ford 9" Series Axle with 10 Bolt 1973, Rear Pro 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $359.45 - $483.61
    • (0 reviews)
      # 742363472
      Mercury Comet 1973, Rear 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,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $214.67 - $447.59
    • (0 reviews)
      # 503500136
      Mercury Comet with Ford 9" Series Axle 1973, Rear Dropout Housing 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...
      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
      $386.60 - $875.99
    • (0 reviews)
      # 503539232
      Mercury Comet 1973, Rear Grizzly Locker by Yukon Gear & Axle®. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $576.63 - $773.39
    • (0 reviews)
      # 503609205
      Mercury Comet 1973, Rear 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...
      Smooth finishEasy Set-Up
      $208.97 - $970.10
    • (0 reviews)
      # mpn730868156
      Mercury Comet with 2 Pinion Design / with 4 Pinion Design with 28 Spline / with 31 Spline with Ford 9" Series Axle 1973, Rear Standard Open Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Dominate the track or hit the trails...
      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
      $159.16
    • (0 reviews)
      # 503499295
      Mercury Comet 1973, Rear Trac Loc 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 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
      $217.44 - $604.44
    • (0 reviews)
      # 503358312
      Mercury Comet with 2 Pinion Design / with 4 Pinion Design with 4 Tab Clutch Design 1973, Rear Trac Loc Carrier Case by Yukon Gear & Axle®. Without Spider Gears. 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
      $217.44 - $228.49
    • (0 reviews)
      # 503679229
      Mercury Comet with Ford 9" Series Axle 1973, Rear Zip Locker by Yukon Gear & Axle®. The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you...
      Air operated locker provides on-demand tractionForged case & 8620 internals for added strength
      $839.93 - $896.18
    • (0 reviews)
      # mpn2151980418
      Mercury Comet with 8" 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 products...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $32.91
    • (0 reviews)
      # 503475283
      Mercury Comet 1973, Rear 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 quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.94 - $107.08
    • (0 reviews)
      # 503673517
      Mercury Comet 1973, Rear Differential Master 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
      $102.79 - $119.01
    • (0 reviews)
      # 742229764
      Mercury Comet with Ford 8" Series Axle 1973, Rear Differential Super Bearing Kit 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $139.26 - $145.99
    • (0 reviews)
      # 503572564
      Mercury Comet with Open Differential with 28 Spline with Ford 8" Series Axle / with Ford 9" Series Axle 1973, Rear Mini Spool by Motive Gear®. 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
      $33.64 - $48.14
    • (0 reviews)
      # mpn2741036344
      Mercury Comet with Ford 8" Series Axle 1973, 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 with this premium...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $32.55
    • (0 reviews)
      # 503457090
      Mercury Comet 1973, Rear 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
      $140.38 - $213.68
    • (0 reviews)
      # 503581308
      Mercury Comet 1973, Rear 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...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $190.92 - $371.58
    • (0 reviews)
      # 503409168
      Mercury Comet 1973, Rear 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
      $31.31 - $45.88
    • (0 reviews)
      # 503473295
      Mercury Comet 1973, Rear 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
      $121.95 - $295.90
    • (0 reviews)
      # 503563336
      Mercury Comet with Ford 9" Series Axle 1973, Rear Differential Pinion Support 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...
      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
      $94.32 - $417.25
    • (0 reviews)
      # 503428319
      Mercury Comet with Ford 9" Series Axle 1973, Rear Mini Spool by Yukon Gear & Axle®. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100%...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $35.69
    • (0 reviews)
      # 503558479
      Mercury Comet with Ford 9" Series Axle 1973, Rear 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...
      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
      $187.81 - $323.63
    • (0 reviews)
      # 503591128
      Mercury Comet with Ford 9" Series Axle 1973, Rear Spool 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...
      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
      $199.87 - $287.11
    • (0 reviews)
      # mpn2151980628
      Mercury Comet with 2 Pinion Gear with Ford 9" Series Axle 1973, 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
      $14.09
    • (0 reviews)
      # mpn2151980579
      Mercury Comet with Ford 9" Series Axle 1973, Differential Pinion Shim Pack by Motive Gear®. With Solid Spacer. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $34.00
    • (0 reviews)
      # mpn2151979928
      Mercury Comet with AMC 20 Series Axle / with Ford 8" Series Axle / with Ford 9" Series Axle 1973, Differential Ring Gear Bolt by Motive Gear®. 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
      $2.79
    • (0 reviews)
      # 742247785
      Mercury Comet 1973, Rear Differential Pinion Support O-Ring 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...
      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
      $3.79 - $4.31
    • (0 reviews)
      # mpn2500668289
      Mercury Comet with 28 Spline with Ford 8" Series Axle with 3.00 and Up Gear Ratio 1973, Rear Differential Spring Retainer Service Kit by Auburn Gear®. 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
      $116.04




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