1966 Dodge Monaco Differentials

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Keep Your 1966 Dodge Monaco in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Dodge Monaco looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Axle Shafts, and Differential Oil. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Felpro, and Motive Gear. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Felpro and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 82 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge Monaco owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1966 Dodge Monaco in peak condition, inside and out.

Essential 1966 Dodge Monaco Differentials

Dorman – Differential Pinion Yoke Assembly (Part No.697-541)

Differential Pinion Yoke Assembly

from

$234.99
A worn or damaged differential pinion flange can lead to driveline Vibrations! And fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:
  • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles
  • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Richmond Gear – RngPnn (Part No.79-0013-1)

RngPnn

from

$538.99
RngPnn

Yukon Gear – 9.25" Pinion Gear Thrust Washer (Part No.33274)

9.25" Pinion Gear Thrust Washer

from

$12.99
9.25″ pinion gear thrust washer.

Product Features:
  • Pinion gear thrust washer for Chrysler 9.25″ rear
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USA Standard Gear – Pinion Installation Kit For Chrysler 9.25" Rear (Part No.60004)

Pinion Installation Kit For Chrysler 9.25" Rear

from

$135.99
9.25″ Chrysler REAR PINION KIT .

Product Features:
  • Fits 2000 and down Chrysler 9.25″ rear
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Yukon Gear – Yoke For Chrysler 8.75" With 29 Spline Pinion And A 7290 U/Joint Size (Part No.41009)

Yoke For Chrysler 8.75" With 29 Spline Pinion And A 7290 U/Joint Size

from

$156.99
Yukon yoke for Chrysler 8.75″ with 29 spline pinion and a 7290 U/joint size. 2.625″ snap ring span. 1.125″ cap diameter. Inside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler 8.75″
  • 29 spline
  • 7290 u-joint size
  • 2.625″ snap ring span
  • 1.125″ cap diameter
  • Inside snap ring design
  • Strap style
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USA Standard Gear – Power Lok Positraction for Chrysler 8.75" (Part No.59027)

Power Lok Positraction for Chrysler 8.75"

from

$1015.00
USA Standard Gear Power Lok posi for Chrysler 8.75″, smooth design

Product Features:
  • Gear Power Lok Posi LSD
  • Fits Chrysler 8.75″
  • Smooth design
  • Positraction
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Yukon Gear – Standard Open Carrier Case For Chrysler 8.25", 29 Spline, 2.56 & Up, 1997 & Up Only (Part No.20011)

Standard Open Carrier Case For Chrysler 8.25", 29 Spline, 2.56 & Up, 1997 & Up Only

from

$634.99
Product Features:
  • Standard open carrier case
  • Does not include spider gears
  • Fits Chrysler 8.25″
  • 29 spline only
  • ABS and non-ABS compatible
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Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

Steel Cover For Chrysler 8.25"

from

$159.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Fits Chrysler 8.25″
  • Steel
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Yukon Gear – Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front (Part No.33035)

Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front

from

$8.99
Ring gear bolt for Chrysler 7.25″, 8″ IFS, 8.25″, 8.75″ & GM 7.2″ IFS front. 3/8″ x 24.

Product Features:
  • Ring gear bolt for Chrysler 7.25″, 8.0″ IFS and 8.75″
  • 3/8″ x 24 thread
  • .866″ long
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Yukon Gear – Standard Open Spider Gear Kit For ’96 And Older 8.25" Chrysler With 27 Spline Axles (Part No.16002)

Standard Open Spider Gear Kit For '96 And Older 8.25" Chrysler With 27 Spline Axles

from

$301.99
Yukon standard open spider gear kit for ’96 and older 8.25″ Chrysler with 27 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Chrysler 8.25″ open differntial with 27 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Chrysler 8.75" (Coarse Spline) Pinion Nut Washer (Part No.33162)

Chrysler 8.75" (Coarse Spline) Pinion Nut Washer

from

$9.99
Chrysler 8.75″ (coarse spline) pinion nut washer.

Product Features:
  • Pinion nut washer
  • Fits Chrysler 8.75″ with 10 spline pinion
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Yukon Gear – Pinion Install Kit For ’76 And Newer Chrysler 8.25" Differential (Part No.13004)

Pinion Install Kit For '76 And Newer Chrysler 8.25" Differential

from

$159.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits 1976 and up Chrysler 8.25″
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Powertrax – No-Slip Traction System (Part No.9203923105)

No-Slip Traction System

from

$557.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. 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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    Motive Gear – Differential Master Bearing Kit – Timken (Part No.RA29RMKT)

    Differential Master Bearing Kit - Timken

    from

    $172.99
    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:
    • DANA-60 TIMKEN MASTER KIT
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    National – Multi-Purpose Bearing (Part No.30206)

    Multi-Purpose Bearing

    from

    $24.79
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS — Precision manufactured using high-quality materials for durability and performance
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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    Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

    Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

    from

    $13.99
    Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

    Product Features:
    • Cross pin bolt for AMC Model 35 with c-clip axles
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    Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

    Replacement Clutch Set For Dana 44 Powr Lok, Smooth

    from

    $177.99
    Product Features:
    • Clutch kit
    • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
    • Smooth design
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    Yukon Gear – Rubber Fill Plug For Chrysler (Part No.33463)

    Rubber Fill Plug For Chrysler

    from

    $22.99
    Product Features:
    • Rubber fill plug
    • Fits Chrysler 7.25″, 8.25″ and 9.25″
    See More

    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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    Yukon Gear – Cross Pin Bolt For 7.25" Chrysler (Part No.33231)

    Cross Pin Bolt For 7.25" Chrysler

    from

    $26.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

    Product Features:
    • Cross pin bolt
    • Fits Chrylser 7.25″
    See More

    Yukon Gear – Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25" (Part No.33233)

    Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25"

    from

    $15.99
    Bolt/screw for adjuster lock for Chrysler 7.25″, 8.25″, 8.75″, 9.25″.

    Product Features:
    • Side adjuster lock bolt
    • Fits Chrysler 7.25″, 8.25″, 8.75″ and 9.25″
    See More

    USA Standard Gear – 8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron (Part No.59001)

    8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron

    from

    $474.99
    Product Features:
    • Dropout housing
    • Fits Chrylser 8.75″
    • ’89’ case design
    • Nodular iron for added strength
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    USA Standard Gear – Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17038)

    Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $799.99
    The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

    Product Features:
    • Fits Chrysler 8.25″ with 29 spline axles
    • Made from 9310 steel for added strength
    • Replaces the spiders in a standard carrier case
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    Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

    Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75"

    from

    $67.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

    Product Features:
    • Powr Lok button kit
    • Fits Dana Spicer 30, 44 and Chrysler 8.75″
    See More

    Yukon Gear – Crush Sleeve (Part No.33093)

    Crush Sleeve

    from

    $10.99
    Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

    Product Features:
    • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
    • 0.495″ tall
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    Yukon Gear – Bearing Race Driver (Part No.56015)

    Bearing Race Driver

    from

    $215.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM88610 race
    • All steel construction
    See More

    Yukon Gear – Carrier Installation Kit For ’76 & Up Chrysler 8.25" Rear (Part No.57014)

    Carrier Installation Kit For '76 & Up Chrysler 8.25" Rear

    from

    $78.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for ’76 & up Chrysler 8.25″ rear.

    Product Features:
    • Fits 1976 and up Chrysler 8.25″
    • Includes carrier bearings and races
    See More

    Felpro – Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 6583)

    Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket

    from

    $7.49
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
    • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
    • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
    • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
    • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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    Most Popular Differential Bearings for 1966 Dodge Monacos

    Enhance your 1966 Dodge Monaco with one of the 4 Differential Bearings we have in stock, starting at just $11.99.

    National – Multi-Purpose Bearing (Part No.A-6)

    Multi-Purpose Bearing

    from

    $16.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
    • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

    Taper Bearing Cone

    from

    $11.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Yukon Gear – Cross Pin Bolt For 7.25" Chrysler (Part No.33231)

    Cross Pin Bolt For 7.25" Chrysler

    from

    $26.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

    Product Features:
    • Cross pin bolt
    • Fits Chrylser 7.25″
    See More

    Schaeffler – Cone (Part No.K387-A)

    Cone

    from

    $46.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Best-Selling 1966 Dodge Monaco Differential Axle Shafts

    Upgrade your Monaco with one of our 3 best-selling Differential Axle Shafts.

    Yukon Gear – Axle Kit For Chrysler 8.75" (Part No.21759)

    Axle Kit For Chrysler 8.75"

    from

    $649.99
    Yukon axle kit for Chrysler 8.75″. This kit contains two green bearings, ten axle studs and two cut to length axles that fit A, B & E body cars, 5 x 4.5″ pattern.

    Product Features:
    • 30 spline
    • 5 x 4.5″ bolt pattern
    • Cut to length design fits 28″-32″ applications
    • Axle kit
    • Includes two axles, two green bearings and 10 axle studs
    See More

    Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21408)

    1541H Alloy Rear Axle For Chrysler 8.75"

    from

    $284.99
    Yukon 1541H alloy cut to fit rear axle for Chrysler 8.75″ measuring 28″-32″ with 30 splines and 5×4.5 bolt pattern. for use with A, C & E-Body. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. Must use Green bearing.

    Product Features:
    • Fits Chrysler 8.75″
    • 30 spline
    • Cut to length design fits 28″-32″ applcations
    • 5 x 4.5″ bolt pattern
    See More

    Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21042)

    1541H Alloy Rear Axle For Chrysler 8.75"

    from

    $252.99
    Yukon 1541H alloy rear axle for Chrysler 8.75″ measuring 30″ with 30 splines and 5×4.5 bolt pattern. for use with C & E-Body only. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. Must use Green bearing.

    Product Features:
    • Fits Chrysler 8.75″
    • 30 spline
    • 30″ long
    • 5 x 4.5″ bolt pattern
    See More

    Top-Quality Differential Oil for 1966 Dodge Monacos

    Choose a high-quality OEM or aftermarket Differential Oil for Dodge Monacos and enjoy top-notch performance from $44.99.

    Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    from

    $57.99
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    Product Features:
    • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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    Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

    3 Qt - Penzoil 80W90 Conventional Gear Oil

    from

    $44.99
    3 Qt. Penzoil 80W90 conventional gear Oil.

    Product Features:
    • Includes three quarts of conventional oil
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    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    from

    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Top Picks for 1966 Dodge Monaco Rear Differential Cover Gaskets

    Invest in one of our 4 durable Rear Differential Cover Gaskets for your 1966 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

    Yukon Gear – 8.75" Chrysler Gasket (Part No.23001)

    8.75" Chrysler Gasket

    from

    $12.99
    8.75″ Chrysler gasket.

    Product Features:
    • Dropout gasket
    • Fits Chrysler 8.75″
    See More

    Mr. Gasket – Differential Gasket (Part No.81)

    Differential Gasket

    from

    $22.79
    Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.

    Product Features:
    • .047″ thick cellulose/nitrile composite gasket material
    • Precision die cut
    • Reusable
    See More

    Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

    9.25" Chrysler Rear Cover Gasket

    from

    $12.99
    9.25″ Chrysler rear cover gasket.

    Product Features:
    • Cover gasket
    • Fits Chrysler 9.25″ rear
    See More

    Yukon Gear – 8.25" Chrysler Cover Gasket (Part No.23000)

    8.25" Chrysler Cover Gasket

    from

    $12.99
    8.25″ Chrysler cover gasket.

    Product Features:
    • Cover gasket
    • Fits Chrysler 8.25″
    See More

    Differential Covers for 1966 Dodge Monacos

    Make a smart move for your 1966 Dodge Monaco with products all priced from $73.99 to $159.99.

    Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

    Steel Cover For Chrysler 8.25"

    from

    $159.99
    Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

    Product Features:
    • Fits Chrysler 8.25″
    • Steel
    See More

    Yukon Gear – Chrome Cover For Chrysler 9.25" (Part No.32001)

    Chrome Cover For Chrysler 9.25"

    from

    $73.99
    Toyota wheel seal for ’80-’97 Full float Landcruiser outer rear, ’86-’95 dually pick-up.Yukon Mighty seal.

    Product Features:
    • Fits Chrysler 9.25″ rear
    • Chrome
    See More

    Yukon Gear – Steel Cover For Chrysler 9.25" Rear (Part No.32314)

    Steel Cover For Chrysler 9.25" Rear

    from

    $93.99
    Product Features:
    • Fits Chrysler 9.25″ rear
    • Steel
    See More

    Top-Rated Differential Brands For Your 1966 Dodge Monaco

    When it comes to finding the perfect Differential for your 1966 Dodge Monaco, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Differential brands including Felpro, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Dodge Monaco, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Felpro 1966 Dodge Monaco Differentials

    If you’re looking for a top-quality Differential for your 1966 Dodge Monaco, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.49, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1966 Dodge Monaco come highly rated, with over 1 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
    from $7.49
    (1)
    Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
    “It just what i needed for my 74 cuda rear end house which is 8 3/4”

    Top-Quality National 1966 Dodge Monaco Differentials

    For those in search of a high-quality Differential for their 1966 Dodge Monaco, Advance Auto Parts offers a great selection of National Differentials. With 2 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $16.99, with an average price of $27.99, giving you a range of options to suit your budget. Backed by over 27 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Multi-Purpose Bearing
    from $16.99
    (25)
    Multi-Purpose Bearing
    “Smooth”
    Tapered Roller Bearing Cone
    from $38.99
    (2)
    Tapered Roller Bearing Cone
    “nice finish and function. Should perform well.”

    FAQs for 1966 Dodge Monaco Differentials

    What are the best-selling Differentials for 1966 Dodge Monacos?

    Out of 255 Differentials that fit 1966 Dodge Monacos, the following parts are the top sellers:

    What’s the price range for 1966 Dodge Monaco Differentials?

    The prices of Differentials for the 1966 Dodge Monaco range from $2.29 up to $1,566.99 for the most premium parts.

    What is the average price of a Differential for a 1966 Dodge Monaco?

    The average price for Differentials for the 1966 Dodge Monaco is $243.12. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Differentials for other Dodge Monaco model years?

    Yes, we carry Differentials for 15 model years of Dodge Monacos between 1965 and 1992. The following model years are the most popular for Differential purchases: 1992, 1991, 1990, 1978, 1977, 1976, 1975, 1974, and 1973.

    What are the cheapest Differentials for my 1966 Dodge Monaco?

    Does Advance Auto Parts sell Differentials for any other 1966 Dodge models?

    Yes. We stock Differentials for 14 other popular 1966 Dodge models. Some of the most popular are 1966 Charger Differentials, 1966 Dart Differentials, 1966 Coronet Differentials, 1966 Polara Differentials, and 1966 W300 Series Differentials.

    What types of Differentials do you sell for my 1966 Dodge Monaco?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1966 Dodge Monaco:

    Can I get help with 1966 Dodge Monaco Differential orders?

    Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Dodge Differentials and more.

    What is your return policy for Dodge Monaco Differentials?

    Advance Auto Parts keeps returns simple. For new Dodge Monaco Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.