1961 Mercury Comet Differentials
Keep Your 1961 Mercury Comet in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1961 Mercury Comet looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Crush Sleeves, and Differential Bearing Kits. 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. For example, National Differentials start at just $12.99 with an average 4.3 star rating. With over 8 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Comet owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1961 Mercury Comet Differential at Advance Auto Parts is around $194.46, with a range that starts at $6.49 and goes up to $883.99. With 16 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, 3 Qt – Penzoil 80W90 Conventional Gear Oil, and Bearing Race start at just $9.99 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 1961 Mercury Comet in peak condition, inside and out.
Find Your Specific 1961 Mercury Comet Differentials
Looking for the perfect Differential for your 1961 Mercury Comet? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Mercury Comet. Whether you’re driving a 1961 model or another popular model year like
1968,
1969,
1971,
1972,
1973,
1974,
1975,
1976, and
1977, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1961 Mercury Comet Differentials
Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.
Product Features:
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Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Product Features:
- Includes four quarts of Redline Shockproof oil
Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)
from
$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Product Features:
- Includes three quarts of conventional oil
Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 8" In A 3.00 Ratio (Part No.24343)
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$489.99
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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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Product Features:
- Fits Ford 8″
- 8.00″ ring gear diameter
- 25 spline pinion
- 10 ring gear bolts
- 3.00 ratio
Richmond Gear – Differential Ring And Pinion (Part No.49-0027-1)
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$344.99
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!
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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.
Yukon Gear – High Performance Ring & Pinion Gear Set For Ford 8" In A 4.11 Ratio (Part No.24094)
from
$534.99
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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.
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Product Features:
- Fits Ford 8″
- 8.00″ ring gear diameter
- 25 spline pinion
- 10 ring gear bolts
- 4.11 ratio
National – Tapered Roller Bearing Cone (Part No.HM89443)
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$38.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Product Features:
- 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
National – Bearing Race (Part No.M86610)
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$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Yukon Gear – Pilot Bearing for Ford 9" (Part No.18042)
from
$38.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Product Features:
- Pilot bearing
- Fits Ford 9″
- 0.656″ thick
National – Multi-Purpose Bearing (Part No.R-1535-TAV)
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$41.99
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
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Product Features:
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- STRONG AND DURABLE: Controlled heat treatment process for strength and durability
- 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
Yukon Gear – 7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver (Part No.30226)
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$30.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Product Features:
- Redi-Sleeve yoke saver
- Fits Ford 7.5″, 8.8″, 9″ and 10.25″
National – Shaft Repair Sleeve (Part No.99181)
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$37.99
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.
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Yukon Gear – Bearing Install Kit for Ford 9" Differential, LM104911 Bearings (Part No.11046)
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$257.99
Yukon Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses Timken bearings and races along with all high-quality small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.
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Product Features:
- Fits Ford 9″ with LM104911 carrier races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, pilot bearing, marking compound and brush.
Yukon Gear – Master Overhaul Kit for Ford 9" LM104911 Differential, 28 Spline Pinion (Part No.14062)
from
$544.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
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Product Features:
- Included are Timken bearings and races along with high quality seals and small parts.
- Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, pilot bearing, thread locker, marking compound with brush, and gasket.
- Fits Ford 9″ with LM104911 carrier races
- Fits Ford 9″ with oversize pinion support and 28 spline pinion
Motive Gear – Differential Master Bearing Kit – Timken (Part No.R9R306SMK)
from
$131.99
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
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- BEARING KIT FORD 9″ W/3.062 CARRIER BRGS & STD PINION SUPPORT MSTR KIT
Motive Gear – Differential Master Bearing Kit – Koyo (Part No.RA310RAMK)
from
$129.99
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
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Product Features:
- FORD 8″ BRG MSTR KIT W/AUBURN & TRUETRAC
Yukon Gear – 8" Ford Pinion Seal (Part No.30180)
from
$24.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Product Features:
- Pinion seal
- Fits Ford 8″
Schaeffler – Shaft Seal (Part No.SS2934)
from
$13.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
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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
Motive Gear – Differential Pinion Seal (Part No.7044NA)
from
$12.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Motive Gear – Differential Pinion Seal (Part No.8181NA)
from
$9.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Pro-King – Differential Crush Sleeve (Part No.721A034)
from
$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Product Features:
- Meets or exceeds OE specifications
Motive Gear – Differential Crush Sleeve (Part No.3507575)
Yukon Gear – Crush Sleeve Eliminator Kit for Ford 9" (Part No.55041)
from
$68.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.
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Product Features:
- Crush sleeve eliminator kit for Ford 9″ with 28 spline pinion
Yukon Gear – 7.25" Ford Crush Sleeve – 2.00" Long (Part No.33084)
from
$34.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Product Features:
- Crush sleeve
- Fits Ford 7.5″
- 2.00″ tall
Yukon Gear – Heavy Duty Carrier Bearing Puller Set (Part No.56072)
from
$883.99
Yukon Gear & Axle tools are made to the highest industry standard.
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Product Features:
- Works on popular Ford, GM, Chrysler, and many other housings
- For differentials with XHD Clamshells
- Can accommodate up to one-ton applications
- Comes with a handy bench-top stand
- This top-quality differential tool is built to last
Yukon Gear – Carrier Bearing Puller Set (Part No.56034)
from
$689.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Product Features:
- Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or GM and Chrysler 11.5″ 1-ton applications
- Works with an impact gun to safely and easily remove carrier bearings
- Comes with a handy bench-top stand
- For 1-ton applications shop Yukon part YT P22
Popular 1961 Mercury Comet Differentials Categories
Most Popular Differential Pinion Seals for 1961 Mercury Comets
Enhance your 1961 Mercury Comet with one of the 3 Differential Pinion Seals we have in stock, starting at just $6.49.
National – Multi-Purpose Seal (Part No.8181NA)
from
$12.99
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.
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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
Driveworks – Oil Seal (Part No.S-7044NA)
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$6.49
Value-priced seal meets all cataloged application requirements.
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Product Features:
- Brand may vary by location
Yukon Gear – 7.25" Ford & 6.75" Ford Pinion Seal (Part No.30173)
from
$55.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.
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Product Features:
- Pinion seal
- Fits Ford 6.75″ and 7.25″
Best-Selling 1961 Mercury Comet Differential Crush Sleef
Upgrade your Comet with our best-selling Differential Crush Sleef.
Yukon Gear – 7.25" Ford Crush Sleeve – 2.00" Long (Part No.33084)
from
$34.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
Product Features:
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Product Features:
- Crush sleeve
- Fits Ford 7.5″
- 2.00″ tall
Top-Quality Differential Bearing Kits for 1961 Mercury Comets
Choose a high-quality OEM or aftermarket Differential Bearing Kit for Mercury Comets and enjoy top-notch performance from $396.99.
Yukon Gear – Master Overhaul Kit for Ford 7.25" Differential (Part No.14045)
from
$396.99
Yukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Yukon Master Overhaul Kits are the most comprehensive and complete kits on the market because Yukon does extensive research to ensure that every kit has everything you need for your application.
Product Features:
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Product Features:
- Fits Ford 7.25″
- Included are Timken bearings and races along with high quality seals and small parts.
- Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, pinion nut, crush sleeve, thread locker, marking compound with brush, and silicone.
Top Picks for 1961 Mercury Comet Differential Oil
Invest in one of our 5 durable Differential Oil for your 1961 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)
from
$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.
Product Features:
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Product Features:
- Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)
from
$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Product Features:
- Includes three quarts of conventional oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.
Product Features:
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Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Product Features:
- Includes three quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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Product Features:
- Includes four quarts of Redline Shockproof oil
Our Front Differential Pinion Bearings for 1961 Mercury Comets
Make a smart move for your 1961 Mercury Comet with our Front Differential Pinion Bearing for $9.99.
National – Bearing Race (Part No.M86610)
from
$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
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Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways 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
Top-Rated Differential Brands For Your 1961 Mercury Comet
When it comes to finding the perfect Differential for your 1961 Mercury Comet, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Differential brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $12.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1961 Mercury Comet, providing peace of mind with parts that meet or exceed OEM standards.
Popular National 1961 Mercury Comet Differentials
If you’re looking for a top-quality Differential for your 1961 Mercury Comet, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $27.49, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1961 Mercury Comet come highly rated, with over 3 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$41.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”
FAQs for 1961 Mercury Comet Differentials
What are the best-selling Differentials for 1961 Mercury Comets?
Out of 16 Differentials that fit 1961 Mercury Comets, the following parts are the top sellers:
- 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99
- 3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99
- Bearing Race (3277569) – $9.99
What’s the price range for 1961 Mercury Comet Differentials?
The prices of Differentials for the 1961 Mercury Comet range from $6.49 up to $883.99 for the most premium parts.
What is the average price of a Differential for a 1961 Mercury Comet?
The average price for Differentials for the 1961 Mercury Comet is $194.46. 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 Mercury Comet model years?
What are the cheapest Differentials for my 1961 Mercury Comet?
The cheapest 1961 Mercury Comet Differentials we carry are:
- Oil Seal (5440238) – $6.49
- Bearing Race (3277569) – $9.99
- Multi-Purpose Seal (18445017) – $12.99
- 7.25" Ford Crush Sleeve – 2.00" Long (11642412) – $34.99
- Shaft Repair Sleeve (3271749) – $37.99
Does Advance Auto Parts sell Differentials for any other 1961 Mercury models?
Yes. We stock Differentials for 3 other popular 1961 Mercury models. Some of the most popular are 1961 Monterey Differentials, 1961 Colony Park Differentials, 1961 Commuter Differentials, and 1961 Meteor Differentials.
What are the top-rated Differentials that fit the 1961 Mercury Comet?
The one 1961 Mercury Comet Differential we have in stock is the Oil Seal. It is rated 1 stars and costs $6.49.
What types of Differentials do you sell for my 1961 Mercury Comet?
As of 6/2/26, these are some of the most in-demand types of Differentials for a 1961 Mercury Comet:
Can I get help with 1961 Mercury Comet Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Differentials and more.
What is your return policy for Mercury Comet Differentials?
Advance Auto Parts keeps returns simple. For new Mercury Comet Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.