1979 Mercury Marquis Differentials & Components

Show items:
Sort by:
    • (0 reviews)
      # 531105387
      Mercury Marquis 1979, 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
      $119.97 - $191.95
    • (0 reviews)
      # 531077328
      Mercury Marquis 1979, 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
      $62.52 - $106.49
    • (0 reviews)
      # mpn2412745
      Mercury Marquis with 9" Ring Gear 1979, 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 hand.
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $240.95
    • (0 reviews)
      # mpn358588620
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, Basic Series Differential 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
      $15.75
    • (0 reviews)
      # mpn358588593
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle with 27 Pinion Spline 1979, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $74.90
    • (0 reviews)
      # mpn358588430
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $40.58
    • (0 reviews)
      # 531085780
      Mercury Marquis 1979, 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
      $6.97 - $10.32
    • (0 reviews)
      # 531191107
      Mercury Marquis 1979, 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
      $9.47 - $11.71
    • (0 reviews)
      # mpn2040415
      Mercury Marquis with 9" Ring Gear with WDC Series Axle / with WDD Series Axle / with WDL Series Axle / with WFG Series Axle 1979, Rear Differential Pinion Pilot Bearing by Timken®. Get optimum vehicle performance with Timken bearings....
      Designed to effectively reduce frictionUltimate load handling capability
      $21.93
    • (0 reviews)
      # 531138269
      Mercury Marquis 1979, 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
      $6.39 - $10.25
    • (0 reviews)
      # 531167143
      Mercury Marquis 1979, 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
      $4.13 - $5.44
    • (0 reviews)
      # mpn2006952
      Mercury Marquis with 7.5" Ring Gear / with 8.5" Ring Gear / with 8.8" Ring Gear 1979, Rear Optional Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive...
      Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable
      $19.13
    • (0 reviews)
      # mpn2371034
      Mercury Marquis 1979, 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 the pinion gear nut is...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.98
    • (0 reviews)
      # 531060133
      Mercury Marquis with Ford Series Axle 1979, 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
      $8.25 - $12.43
    • (0 reviews)
      # 531092168
      Mercury Marquis with Ford Transmission 1979, 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 optimally. It is built to...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.07 - $4.24
    • (0 reviews)
      # 531171995
      Mercury Marquis with Ford Series Axle 1979, 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 heat treatment...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $58.14 - $70.65
    • (0 reviews)
      # 531083733
      Mercury Marquis with Ford Series Axle 1979, 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
      $8.80 - $10.95
    • (0 reviews)
      # mpn1848355976
      Mercury Marquis with 9" Ring Gear with Ford Series Axle 1979, Rear Differential Pinion Pilot 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
      $21.18
    • (0 reviews)
      # 531184734
      Mercury Marquis with Ford Series Axle 1979, 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
      $4.78 - $5.79
    • (0 reviews)
      # 531104696
      Mercury Marquis with Ford Transmission 1979, Rear 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 perform optimally. It is built...
      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
      $19.82
    • (0 reviews)
      # 531184307
      Mercury Marquis with Ford Series Axle 1979, 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...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $7.10 - $9.65
    • (0 reviews)
      # mpn358588599
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $3.89
    • (0 reviews)
      # mpn358588576
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle with 25 Spline 1979, Differential Bearing Kit With Pinion 10-Bolt by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $53.90
    • (0 reviews)
      # mpn358588627
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $12.88
    • (0 reviews)
      # mpn358588671
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, Differential Carrier Bearing 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
      $23.76
    • (0 reviews)
      # mpn358588466
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $2.45
    • (0 reviews)
      # mpn358588439
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $9.70
    • (0 reviews)
      # mpn358588458
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $16.64
    • (0 reviews)
      # mpn358588434
      Mercury Marquis with 7.5" Ring Gear with General Motors Series Axle 1979, 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
      $9.80
    • (0 reviews)
      # mpn4554624314
      Mercury Marquis with 9" Ring Gear with Ford Transmission 1979, Rear Differential Carrier Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $4.37
    • (0 reviews)
      # mpn4515297019
      Mercury Marquis with Ford 8.8" Series Axle 1979, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.99
    • (0 reviews)
      # mpn4515291619
      Mercury Marquis with Ford 8.8" Series Axle 1979, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # mpn4515293617
      Mercury Marquis with Ford 8.8" Series Axle 1979, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $99.99
    • (0 reviews)
      # mpn4517165885
      Mercury Marquis Base / Brougham 5.0L with 28 Spline with Ford 7.5" Series Axle with 10 Bolt 1979, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives you...
      Expertly crafted from superior materialsProvides exceptional reliability
      $456.77
    • (1 review)
      # mpn4517165905
      Mercury Marquis Base / Brougham 5.0L with 28 Spline with Ford 7.5" Series Axle with 10 Bolt 1979, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio and faster...
      Expertly crafted from superior materialsProvides exceptional reliability
      $536.64
    • (0 reviews)
      # 503498435
      Mercury Marquis Base / Brougham 5.0L with 28 Spline with Ford 7.5" Series Axle with 10 Bolt 1979, Rear Differential Spring Retainer Service Kit by Auburn Gear®. 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
      $110.82
    • (0 reviews)
      # mpn4517170132
      Mercury Marquis with 31 Spline with Ford 8.8" Series Axle 1979, Rear Differential Locker by Aussie Locker®. The Aussie Locker is the most advanced "traction added" Automatic Precision Locker in the world today. Specifically designed for...
      High quality at an affordable priceExpertly made from premium materials
      $333.02
    • (0 reviews)
      # mpn4517169130
      Mercury Marquis with 31 Spline with Ford 8.8" Series Axle 1979, Rear Differential Locker Pin and Spring Kit by Aussie Locker®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and...
      High quality at an affordable priceExpertly made from premium materials
      $35.40
    • (0 reviews)
      # mpn4517166249
      Mercury Marquis with 7.5" Series Axle with 10 Bolt 1979, Differential Crush Sleeve 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
      $3.17
    • (0 reviews)
      # mpn4517166257
      Mercury Marquis with 7.5" Series Axle 1979, 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
      $61.81
    • (0 reviews)
      # mpn4517167764
      Mercury Marquis with 7.5" Series Axle with 10 Bolt 1979, 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 this...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $39.57
    • (0 reviews)
      # 503644399
      Mercury Marquis 1979, Differential Ring Gear Bolt by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.70 - $21.54
    • (0 reviews)
      # 126512244
      Mercury Marquis with GM 7.5" Series Axle with 10 Bolt 1979, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $115.44 - $130.77
    • (0 reviews)
      # mpn4517170323
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, Rear Differential Carrier by Motive Gear®. Without Internal Kit. 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
      $159.37
    • (0 reviews)
      # mpn4517166372
      Mercury Marquis with 28 Spline with 7.5" Series Axle with 10 Bolt 1979, Rear 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
      $218.90
    • (0 reviews)
      # 126885457
      Mercury Marquis with GM 7.5" Series Axle with 10 Bolt 1979, 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....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $137.84 - $145.05
    • (0 reviews)
      # 503459218
      Mercury Marquis with GM 7.5" Series Axle with 10 Bolt 1979, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $171.53 - $190.58
    • (0 reviews)
      # mpn4517166286
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, 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...
      Central contact patternCNC start to finish
      $311.64
    • (0 reviews)
      # 503476173
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, 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...
      Quiet operationComputer controlled heat treatment
      $306.78 - $313.43
    • (0 reviews)
      # mpn4517169589
      Mercury Marquis with 28 Spline with Open Differential with Ford 7.5" Series Axle 1979, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $405.19
    • (0 reviews)
      # mpn4517166572
      Mercury Marquis with Ford 7.5" Series Axle 1979, Differential Bearing 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
      $134.56
    • (0 reviews)
      # mpn4517170054
      Mercury Marquis with Ford 7.5" Series Axle 1979, 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
      $30.88
    • (0 reviews)
      # mpn4517166557
      Mercury Marquis with Ford 7.5" Series Axle 1979, Differential Pinion Shaft 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
      $42.23
    • (0 reviews)
      # mpn4517168705
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, Excel™ Rear Differential Bearing Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $90.99
    • (0 reviews)
      # mpn4517169503
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt Empty Case Housing 1979, Excel™ Rear Differential Carrier by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $98.92
    • (0 reviews)
      # mpn4517169144
      Mercury Marquis with 28 Spline with Ford 7.5" Series Axle with 10 Bolt with 1.2" Axle Spline Diameter 1979, Excel™ Rear Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $138.55
    • (0 reviews)
      # 1029225526
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $189.65
    • (0 reviews)
      # 503642127
      Mercury Marquis with Ford 7.5" Series Axle with 10 Bolt 1979, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $212.41 - $214.67
    • (0 reviews)
      # mpn4517170775
      Mercury Marquis with 31 Spline with Ford 9" Series Axle 1979, Rear Differential Master Overhaul Kit by Spicer®. Genuine Spicer overhaul kit include all the latest production upgrades, so the parts you’re installing are as good or...
      Save Money: Buying components separately can be costly and cumbersomeSave Downtime: Be ready to perform a repair or overhaul as you need it
      $189.21
    • (0 reviews)
      # mpn4517170278
      Mercury Marquis with 31 Spline with Ford 9" Series Axle 1979, Rear Differential Standard Bearing Kit by Spicer®. Remember - not all bearings are created equal. Choose Spicer axle bearing kits for just the right repair. Each kit comes...
      Highest quality mix of bearings, cups, and cones for performance you can count onPremium oil seals to keep lube in and dust and road grime out
      $137.54




    Popular Products



    1979 Mercury Marquis Models
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING