1974 Mercury Comet Differentials

Essential 1974 Mercury Comet Differentials

National – Multi Purpose Seal (Part No.8181NA)

Multi Purpose Seal

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$11.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Yukon Gear – Star Washers, 3.250" Ford 9" Drop Out New Design Only (Part No.32144)

Star Washers, 3.250" Ford 9" Drop Out New Design Only

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$4.99
STAR washers, 3.250″ Yukon Ford 9″ Drop Out new design ONLY.

Product Features:
  • Star washer
  • Fits Ford 9″
  • 3.250″ designs only
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Motive Gear – Differential Mini Spool (Part No.MS9-31)

Differential Mini Spool

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$31.99


Product Features:
  • MINI SPOOL 8″ & 9″ 31 SPLN STL 090431
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Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

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$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
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Motive Gear – Differential Gear Install Kit (Part No.F8IK)

Differential Gear Install Kit

from

$44.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – O-Ring For 9" Ford (Part No.30028)

O-Ring For 9" Ford

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$14.99
O-ring for 9″ Ford.Yukon Mighty seal.

Product Features:
  • Pinion support o-ring
  • Fits Ford 9″
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Yukon Gear – Short Yoke For Ford 9" HD With 28 Spline Axles And A 1330 U/Joint Size (Part No.41053)

Short Yoke For Ford 9" HD With 28 Spline Axles And A 1330 U/Joint Size

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$121.99
Yukon short yoke for Ford 9″ HD with 28 spline axles and a 1330 U/joint size. 4″ length. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • 1330 u-joint size
  • 3.625″ snap ring span
  • 1.125″ cap diameter
  • Outside snap ring design
  • U-bolt style
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Yukon Gear – Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O (Part No.28030)

Grizzly Locker For Ford 9" Differential With 35 Spline Axles, Racing Design, For Load Bolt D/O

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$1211.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This locker also fits 9.5″ & 10″ dropouts.

Product Features:
  • Fits Ford 9″ with 35 spline axles and loadbolt housing
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
  • Aggressive design for racing applications only
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Yukon Gear – 8" Dropout Housing Gasket (Part No.23010)

8" Dropout Housing Gasket

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$11.99
8″ dropout housing gasket.

Product Features:
  • Dropout gasket
  • Fits Ford 8″
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Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

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$5.99
Product Features:
  • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
  • 0.030″ thick
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Powertrax – Lock Right Locker (Part No.1810-LR)

Lock Right Locker

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$339.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

    Tapered Cone/Cup Wheel Bearing Set

    from

    $13.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Trac Loc Spring Plate For Ford 9" & 8" (Part No.33517)

    Trac Loc Spring Plate For Ford 9" & 8"

    from

    $10.99
    Product Features:
    • Trac Loc spring plate for Ford 8″ and 9″
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    Motive Gear – Differential Pinion Nut (Part No.379570S)

    Differential Pinion Nut

    from

    $6.49
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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    Yukon Gear – 1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support) (Part No.32239)

    1.250" Pinion Adaptor Sleeve (Stock Pinion Into Large Support)

    from

    $74.99
    1.250″ pinion adaptor sleeve (stock pinion into large support).

    Product Features:
    • Adapter sleeve
    • Fits Ford 9″
    • Adapts 28 spline pinion into 35 spline pinion support
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    Yukon Gear – Pinion Depth Shims For Ford 8" (Part No.55055)

    Pinion Depth Shims For Ford 8"

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    $31.99
    8″ Ford pinion shim kit.

    Product Features:
    • Pinion depth shims for Ford 8″
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    Yukon Gear – Grizzly Locker For Ford 8" With 28 Spline Axles (Part No.28006)

    Grizzly Locker For Ford 8" With 28 Spline Axles

    from

    $931.99
    The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

    Product Features:
    • Fits Ford 8″ with 28 spline axles
    • Patented internal design reduces common locker failures
    • 8620 internals for added strength
    • Assembled in the USA
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    Yukon Gear – Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out (Part No.32149)

    Adjuster Lock Bolt 3.062" & 3.250" Ford 9" Drop Out

    from

    $3.99
    Adjuster lock bolt 3.062″ & 3.250″ Yukon Ford 9″ Drop Out.

    Product Features:
    • Side adjuster lock bolt
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    Yukon Gear – Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (Part No.33301)

    Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler

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    $4.99
    Pinion gear thrust washer for 8″ and 9″ Ford, Model 20, and 7.25″ Chrysler.

    Product Features:
    • Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″
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    Yukon Gear – Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) For 9" Ford (Part No.33243)

    Fine Thread Pinion Support Bolt (Aftermarket Aluminum Only) For 9" Ford

    from

    $5.99
    Fine thread pinion support bolt (aftermarket aluminum only) for 9″ Ford.

    Product Features:
    • Pinion support bolt for Ford 9″
    • 3/8″ x 24 thread
    • 1.5″ long
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    Motive Gear – Differential Bearing Kit – Koyo (Part No.RA310R)

    Differential Bearing Kit - Koyo

    from

    $108.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • KIT BRG. & SEAL FORD 8″
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    Driveworks – Taper Bearing Cone (Part No.S-M-86649)

    Taper Bearing Cone

    from

    $8.79
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Trac Loc Clutch Guide For 9" Ford (Part No.33250)

    Trac Loc Clutch Guide For 9" Ford

    from

    $4.99
    Trac Loc clutch guide for 9″ Ford.

    Product Features:
    • Clutch guide
    • Fits Ford 8″ and 9″
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    Richmond Gear – Differential Cross Shaft (Part No.CSPF9)

    Differential Cross Shaft

    from

    $26.49
    Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

    Product Features:
    • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
    • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
    • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
    • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
    • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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    Yukon Gear – Crush Sleeve Eliminator Kit For Ford 9" (Part No.55041)

    Crush Sleeve Eliminator Kit For Ford 9"

    from

    $68.99
    9″ Ford 2 piece solid preload pinion spacer, Daytona or standard.

    Product Features:
    • Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion
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    Yukon Gear – Short Cross Pin Shaft Without Block For 9" Ford (Part No.33335)

    Short Cross Pin Shaft Without Block For 9" Ford

    from

    $11.99
    Short cross pin shaft without block for 9″ Ford.

    Product Features:
    • Cross pin shaft
    • Fits Ford 9″
    • Short design
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    Yukon Gear – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

    from

    $689.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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    1974 Mercury Comet Differentials

    Maybe you’re in the middle of a full rebuild of that 1974 Mercury Comet. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 356 different Differentials in our inventory ranging from $1.99 to $1,211.99. That means you can find the exact parts or products you need to keep that 1974 Mercury Comet running smoothly.

    Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1974 Mercury Comet. Driveworks, Yukon Gear, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Differentials for your 1974 Mercury Comet, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 154 reviews in this category, some of the top rated parts include Differential Crush Sleeve with 5.0 stars and Differential Pinion Nut with 4.0 stars.

    So if you’re in the market for aftermarket Differentials to keep your 1974 Mercury Comet rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Differentials Brands To Make Your 1974 Mercury Comet Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1974 Mercury Comet demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Comet the best it can be. Be sure to browse some of our top Differentials brands and parts.

    Popular National Differentials

    We carry National parts in our stock across Differential Pinion Seals and Differential Pinion Pilot Bearings categories, plus more. For a 1974 Mercury Comet, our most popular National Differentials include:
    Multi Purpose Seal
    from $11.79
    (2)
    Multi Purpose Seal
    Differential Pinion Seals
    Shaft Repair Sleeve
    from $37.99
    (1)
    Shaft Repair Sleeve
    Differential Pinion Pilot Bearings
    Bearings
    from $18.79
    (3)
    Bearings
    Front Differential Pinion Bearings

    Top 1974 Mercury Comet Differentials from Driveworks

    Driveworks products are another trusted brand when it comes to Differentials for your 1974 Mercury Comet. Popular Driveworks parts include:
    Tapered Cone/Cup Wheel Bearing Set
    from $13.99
    (14)
    Tapered Cone/Cup Wheel Bearing Set
    Differential Bearings

    FAQs for 1974 Mercury Comet Differentials

    What are the most purchased Differentials for the 1974 Mercury Comet?

    Out of 356 Differentials for the 1974 Mercury Comet, the most popular in our inventory are:
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Copper Washer For Ford 9" & 8" Dropout Housing
    from $5.99
    This product is not rated
    Copper Washer For Ford 9" & 8" Dropout Housing
    Complete Differentials
    Differential Carrier Gasket
    from $4.49
    This product is not rated
    Differential Carrier Gasket
    Automatic Transmission Differential Cover Gaskets

    What are the top-rated 1974 Mercury Comet Differentials?

    Top-rated Differentials for your 1974 Mercury Comet based on customer reviews/ratings are:
    Differential Crush Sleeve
    from $2.49
    (1)
    Differential Crush Sleeve
    “High quality, would buy again”
    Differential Pinion Nut
    from $6.49
    (1)
    Differential Pinion Nut
    “If a pinion nut is ever removed from the pinion shaft, it is recommended NOT to reuse it. Replace it with a BRAND NEW nut, even if the old nut is rel”