1977 Dodge Monaco Differentials

Keep Your 1977 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 1977 Dodge Monaco looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Covers, and Differential Bearings. 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, Dorman, and FELPRO. For example, National Differentials start at just $7.99 with an average 4.3 star rating. Dorman and FELPRO offer similar pricing and quality, backed by strong customer feedback. With over 1,540 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge Monaco owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1977 Dodge Monaco Differential at Advance Auto Parts is around $219.75, with a range that starts at $2.29 and goes up to $1,080.99. With 169 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like Ring Gear Bolt, Bearing Race, and Multi-Purpose Bearing start at just $2.99 and offer a great balance of form and function.

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 1977 Dodge Monaco in peak condition, inside and out.

Essential 1977 Dodge Monaco Differentials

Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD

from

$37.99
Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
See More

Motive Gear – Differential Bearing Kit – Timken (Part No.R8.75RLT)

Differential Bearing Kit - Timken

from

$106.99
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 CHRYS 8.75″ 1.875″ 489 CSTG SURE GRIP & POWER LOCK ONLY
See More

Yukon Gear – Pinion Install Kit For Chrysler 9.25" Differential (Part No.13011)

Pinion Install Kit For Chrysler 9.25" Differential

from

$276.99
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, 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 Chrysler 9.25″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
See More

Motive Gear – Differential Ring and Pinion (Part No.C9.25-355)

Differential Ring and Pinion

from

$286.99


Product Features:
  • CHRY 12BLT 9.25 R&P-3.55 RATIO
See More

Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement

from

$8.99
Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
See More

Powertrax – Lock Right Locker (Part No.1240-LR)

Lock Right Locker

from

$456.99
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!
  • See More

    Yukon Gear – Dana 60 Pinion Gear Thrust Washer, Standard Open & Tracloc (Also 8.75" Chrysler Std) Dana 70 2Pc (Part No.33287)

    Dana 60 Pinion Gear Thrust Washer, Standard Open & Tracloc (Also 8.75" Chrysler Std) Dana 70 2Pc

    from

    $5.99
    Dana 60 pinion gear Thrust washer, standard Open & TracLoc (also 8.75″ Chrysler STD) Dana 70 2PC.

    Product Features:
    • Pinion gear thrust washer for Dana Spicer 60
    • Fits standard open and Trac Loc applications
    See More

    Richmond Gear – RngPnnInstlKt (Part No.83-1034-B)

    RngPnnInstlKt

    from

    $59.99
    RngPnnInstlKt

    Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

    Tapered Roller Bearing

    from

    $13.49
    Product Features:
    • Brand may vary by location
    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

    Yukon Gear – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

    Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

    from

    $13.99
    Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″
    See More

    USA Standard Gear – Open Spider Gear Set For Chrysler 9.25", 31 Spline (Part No.39004)

    Open Spider Gear Set For Chrysler 9.25", 31 Spline

    from

    $209.99
    Product Features:
    • Fits Chrysler 9.25″ rear with open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    See More

    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

    USA Standard Gear – Master Overhaul Kit for Chrysler 8.75" #42 Housing with 25520/90 Differential bearings (Part No.37093)

    Master Overhaul Kit for Chrysler 8.75" #42 Housing with 25520/90 Differential bearings

    from

    $456.99
    USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

    Product Features:
    • Fits Chrysler 8.75″ ’42’ case housing with 25520 carrier races
    • Uses Koyo bearings and races
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
    See More

    Motive Gear – Differential Pinion Shim Kit (Part No.1109)

    Differential Pinion Shim Kit

    from

    $13.49


    Product Features:
    • KIT SHIM TOYO TRK 79-92 REAR/89-92 FRONT
    See More

    Yukon Gear – Chrysler 9.25" Dura Grip Case, Bare (Part No.20015)

    Chrysler 9.25" Dura Grip Case, Bare

    from

    $399.99
    Product Features:
    • Dura Grip positraction carrier case
    • Does not include spider gears
    • Fits Chrysler 9.25″ rear
    See More

    Yukon Gear – Cross Pin Shaft For Standard Open Chrysler 9.25" (Part No.33311)

    Cross Pin Shaft For Standard Open Chrysler 9.25"

    from

    $46.99
    Cross pin shaft for standard open Chrysler 9.25″, .860″ diameter. Will not fit posi!

    Product Features:
    • Cross pin shaft for Chrysler 9.25″
    • Fits standard open differentials only
    • 0.860″ diameter
    See More

    Yukon Gear – Side Gear And Thrust Washer For 7.25" Chrysler (Part No.33279)

    Side Gear And Thrust Washer For 7.25" Chrysler

    from

    $69.99
    Side gear thrust washer for 7.25″ Chrysler.

    Product Features:
    • Side gear thrust washer kit
    • Fits Chrysler 7.25″
    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
    See More

    Yukon Gear – Yoke For Chrysler 9.25" With A 7260 U/Joint Size. (Part No.41001)

    Yoke For Chrysler 9.25" With A 7260 U/Joint Size.

    from

    $289.99
    Yukon yoke for Chrysler 9.25″ with a 7260 U/joint size. 2.125″ snap ring span, 1.078″ cap diameter. Inside snap ring.All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Chrysler 9.25″ rear
    • 29 spline
    • 7260 u-joint size
    • Inside snap ring design
    • 2.125″ snap ring span
    • 1.078″ cap diameter
    • Strap style
    See More

    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
    See More

    Yukon Gear – Steel Spool For Chrysler 8.75" With 30 Spline Axles (Part No.32040)

    Steel Spool For Chrysler 8.75" With 30 Spline Axles

    from

    $264.99
    Yukon Performance 2-1/16″ deck steel spool for 8.75″ Chrysler with 30 spline axles. Spool uses 2.050″ journal bearings (LM104949/12). Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Chrysler 8.75″ with 30 spline axles
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
    See More

    Felpro – Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket (Part No.RDS 55073)

    Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

    from

    $10.49
    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:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Yukon Gear – Positraction Spiders For Chrysler9.25" Dura Grip Posi, 31 Spline, No Clutches Included (Part No.16180)

    Positraction Spiders For Chrysler9.25" Dura Grip Posi, 31 Spline, No Clutches Included

    from

    $389.99
    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
    • Fits Chrysler 9.25″
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    • Fits Yukon Dura Grip
    See More

    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
    See More

    Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1350-8759)

    Drive Shaft Pinion Yoke

    from

    $254.99


    Product Features:
    • BILLET HP 1350-29 SPLINE YOKE
    See More

    Yukon Gear – Carrier Installation Kit For Chrysler 9.25" Rear Differential (Part No.57001)

    Carrier Installation Kit For Chrysler 9.25" Rear Differential

    from

    $173.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Chrysler 9.25″ rear differential. This kit contains carrier bearings and races.

    Product Features:
    • Fits Chrysler 9.25″ rear
    • Includes carrier bearings and races
    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

    Most Popular Rear Differential Cover Gaskets for 1977 Dodge Monacos

    Enhance your 1977 Dodge Monaco with one of the 4 Rear Differential Cover Gaskets we have in stock, starting at just $8.29.

    Felpro – Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket (Part No.RDS 55073)

    Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

    from

    $10.49
    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:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Felpro – Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55047)

    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket

    from

    $8.29
    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:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    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

    Best-Selling 1977 Dodge Monaco Differential Covers

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

    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-Quality Differential Bearings for 1977 Dodge Monacos

    Choose a high-quality OEM or aftermarket Differential Bearing for Dodge Monacos and enjoy top-notch performance from $6.99.

    National – Multi-Purpose Bearing (Part No.A-36)

    Multi-Purpose Bearing

    from

    $27.99
    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

    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

    FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $21.79
    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

    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
    See More

    FAG US – Cup (Part No.M88010)

    Cup

    from

    $11.29
    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

    Yukon Gear – 9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder (Part No.33238)

    9.25" Chrysler, Dana 60 Semi-Float X/P Bolt, 80 & Up, 5/16" Head, Tapered Shoulder

    from

    $9.99
    Product Features:
    • Cross pin bolt for Dana Spicer 60 with c-clip axles
    See More

    FAG US – Cup (Part No.LM501310)

    Cup

    from

    $9.99
    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

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    See More

    Top Picks for 1977 Dodge Monaco Differential Oil

    Invest in one of our 3 durable Differential Oil for your 1977 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

    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-Rated Differential Pinion Seals for 1977 Dodge Monacos

    Make a smart move for your 1977 Dodge Monaco with products all priced from $10.99 to $16.99.

    National – Multi-Purpose Seal (Part No.5126)

    Multi-Purpose Seal

    from

    $16.99
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
    • Good low temperature capability
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    National – Multi-Purpose Seal (Part No.8516N)

    Multi-Purpose Seal

    from

    $10.99
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
    • Resistance to EP lubricants
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    Yukon Gear – 7.25" & 8.25" Chrysler Pinion Seal (Part No.30189)

    7.25" & 8.25" Chrysler Pinion Seal

    from

    $16.99
    7.25″ & 8.25″ Chrysler pinion seal.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Chrysler 7.25″ and 8.25″
    See More

    Yukon Gear – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

    Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

    from

    $13.99
    Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″
    See More

    Top-Rated Differential Brands For Your 1977 Dodge Monaco

    When it comes to finding the perfect Differential for your 1977 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 Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1977 Dodge Monaco, providing peace of mind with parts that meet or exceed OEM standards.

    Popular FELPRO 1977 Dodge Monaco Differentials

    If you’re looking for a top-quality Differential for your 1977 Dodge Monaco, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 2 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29 and an average cost of $9.39, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1977 Dodge Monaco come highly rated, with over 55 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.
    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
    from $8.29
    (21)
    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
    “I always use Fel-Pro gaskets they’re the best, but this gasket to replace the differential gasket on my son’s Jeep when I did a fluid change work and ”

    Top-Quality National 1977 Dodge Monaco Differentials

    For those in search of a high-quality Differential for their 1977 Dodge Monaco, Advance Auto Parts offers a great selection of National Differentials. With 3 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 $7.99, with an average price of $17.66, giving you a range of options to suit your budget. Backed by over 6 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 $27.99
    (1)
    Multi-Purpose Bearing
    “great price”
    Multi-Purpose Seal
    from $16.99
    (1)
    Multi-Purpose Seal
    “Perfect fit and in stock for a 50 year old vehicle. Thanks Advance Auto Parts”
    Bearing Race
    from $7.99
    (4)
    Bearing Race
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”

    FAQs for 1977 Dodge Monaco Differentials

    What are the best-selling Differentials for 1977 Dodge Monacos?

    Out of 169 Differentials that fit 1977 Dodge Monacos, the following parts are the top sellers:

    What’s the price range for 1977 Dodge Monaco Differentials?

    The prices of Differentials for the 1977 Dodge Monaco range from $2.29 up to $1,080.99 for the most premium parts.

    What is the average price of a Differential for a 1977 Dodge Monaco?

    The average price for Differentials for the 1977 Dodge Monaco is $219.75. 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, 1976, 1975, 1974, 1973, and 1972.

    What are the cheapest Differentials for my 1977 Dodge Monaco?

    The cheapest 1977 Dodge Monaco Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1977 Dodge models?

    Yes. We stock Differentials for 17 other popular 1977 Dodge models. Some of the most popular are 1977 Charger Differentials, 1977 Ramcharger Differentials, 1977 W150 Differentials, 1977 D150 Differentials, and 1977 D100 Differentials.

    What are the top-rated Differentials that fit the 1977 Dodge Monaco?

    Based on 1,540 reviews by customers, our 1977 Dodge Monaco Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1977 Dodge Monaco and their top-rated products:

    What types of Differentials do you sell for my 1977 Dodge Monaco?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1977 Dodge Monaco:

    Can I get help with 1977 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.