1975 Mercury Montego Differentials

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Keep Your 1975 Mercury Montego in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1975 Mercury Montego looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Pinion Seals, and Rear Differential Cover Gaskets. 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 $18.29 with an average 4.3 star rating. Felpro and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 550 reviews and a solid 4.3 star average, you can shop with confidence knowing other Mercury Montego 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 1975 Mercury Montego in peak condition, inside and out.

Essential 1975 Mercury Montego Differentials

Motive Gear – Motive Gear Differential Pinion Bearing Spacer, SS9 (Part No.SS9)

Motive Gear Differential Pinion Bearing Spacer, SS9

from

$45.99
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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Richmond Gear – Richmond Gear Differential Spool, 81-0931-1 (Part No.81-0931-1)

Richmond Gear Differential Spool, 81-0931-1

from

$272.99
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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National – National Multi-Purpose Bearing, R-1535-TAV (Part No.R-1535-TAV)

National Multi-Purpose Bearing, R-1535-TAV

from

$42.49
Manufactured with premium-grade steel, National cylindrical outer races are designed and engineered to meet OE specifications.
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Powertrax – Powertrax Grip LS Traction System, LS108028 (Part No.LS108028)

Powertrax Grip LS Traction System, LS108028

from

$451.99
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!
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ARP Auto Racing – "ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002" (Part No.250-3002)

"ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002"

from

$43.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
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Motive Gear – Motive Gear Differential Spool, FS9-31LW (Part No.FS9-31LW)

Motive Gear Differential Spool, FS9-31LW

from

$149.99
Motive Gear Differential Spool, FS9-31LW.
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Richmond Gear – Richmond Gear Ring and Pinion Set, F8355 (Part No.F8355)

Richmond Gear Ring and Pinion Set, F8355

from

$185.99
Richmond Gear Ring and Pinion Set, F8355.
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Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPF9 (Part No.CSPF9)

Richmond Gear Differential Pinion Shaft, CSPF9

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.
See More

Motive Gear – Motive Gear Differential Lock Thrust Block, D3SZ4211A (Part No.D3SZ4211A)

Motive Gear Differential Lock Thrust Block, D3SZ4211A

from

$47.49
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 – Motive Gear Differential Pinion Shim Kit, WAA4663 (Part No.WAA4663)

Motive Gear Differential Pinion Shim Kit, WAA4663

from

$15.99
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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Pro-King – Pro-King Differential Crush Sleeve, 761A034 (Part No.761A034)

Pro-King Differential Crush Sleeve, 761A034

from

$2.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Motive Gear – Motive Gear Differential Internal Carrier Gear Kit, F9-IO (Part No.F9-IO)

Motive Gear Differential Internal Carrier Gear Kit, F9-IO

from

$108.99
Motive Gear Differential Internal Carrier Gear Kit, F9-IO.
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Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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Powertrax – Powertrax Grip LOK Traction System, LK109031 (Part No.LK109031)

Powertrax Grip LOK Traction System, LK109031

from

$679.99
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!
See More

National – National Bearing Race, JL69310 (Part No.JL69310)

National Bearing Race, JL69310

from

$12.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Motive Gear – Motive Gear Master Bearing Kit, RA310RAMKT (Part No.RA310RAMKT)

Motive Gear Master Bearing Kit, RA310RAMKT

from

$125.99
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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Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
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.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14821-00 (Part No.71-14821-00)

Victor Reinz Differential Cover Gasket, 71-14821-00

from

$6.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Motive Gear – Motive Gear Nodular Differential Housing, 26325 (Part No.26325)

Motive Gear Nodular Differential Housing, 26325

from

$533.99
Motive Gear Nodular Differential Housing, 26325.
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Motive Gear – Motive Gear Differential Housing, 26306 (Part No.26306)

Motive Gear Differential Housing, 26306

from

$533.99
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.
See More

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
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National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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National – National Bearing Race, HM89410 (Part No.HM89410)

National Bearing Race, HM89410

from

$11.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Richmond Gear – Richmond Gear Differential Gear Install Kit, 83-1011-B (Part No.83-1011-B)

Richmond Gear Differential Gear Install Kit, 83-1011-B

from

$48.99
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.
See More

Motive Gear – Motive Gear Ring And Pinion Installation Kit, F9IKN (Part No.F9IKN)

Motive Gear Ring And Pinion Installation Kit, F9IKN

from

$46.49
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!
See More

Motive Gear – Motive Gear Differential Pinion Nut, 379570S (Part No.379570S)

Motive Gear Differential Pinion Nut, 379570S

from

$6.99
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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Most Popular Differential Bearings for 1975 Mercury Montegos

Enhance your 1975 Mercury Montego with one of the 3 Differential Bearings we have in stock, starting at just $16.79.

National – National Multi-Purpose Bearing, A-18 (Part No.A-18)

National Multi-Purpose Bearing, A-18

from

$18.29
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Bearing, JL69349 (Part No.JL69349)

National Bearing, JL69349

from

$16.79
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
See More

Best-Selling 1975 Mercury Montego Differential Pinion Seals

Upgrade your Montego with one of our 4 best-selling Differential Pinion Seals.

National – National Multi-Purpose Seal, 51098 (Part No.51098)

National Multi-Purpose Seal, 51098

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.
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Driveworks – Driveworks Oil Seal, S-51098 (Part No.S-51098)

Driveworks Oil Seal, S-51098

from

$6.49
Value-priced seal meets all cataloged application requirements.
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Schaeffler – Schaeffler Shaft Seal, SS2934 (Part No.SS2934)

Schaeffler Shaft Seal, 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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Motive Gear – Motive Gear Differential Pinion Seal, 7044NA (Part No.7044NA)

Motive Gear Differential Pinion Seal, 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.
See More

Top-Quality Rear Differential Cover Gaskets for 1975 Mercury Montegos

Choose a high-quality OEM or aftermarket Rear Differential Cover Gasket for Mercury Montegos and enjoy top-notch performance from $8.99.

Felpro – Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074 (Part No.RDS 55074)

Felpro Differential Carrier Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55074

from

$9.99
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.
See More

Mr. Gasket – "Mr. Gasket Rear End Gasket – Ford 9"" – Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82" (Part No.82)

"Mr. Gasket Rear End Gasket - Ford 9"" - Blend Of Nitrile Rubber And Fiber For Excellent Sealing And Durability, 82"

from

$26.69
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. Fits 1957-1981 Ford 10 bolt 9 inch ring gear.
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Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14829-00 (Part No.71-14829-00)

Victor Reinz Differential Cover Gasket, 71-14829-00

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

Our Top Pick for a 1975 Mercury Montego Differential Axle Shaft

Invest in a durable Differential Axle Shaft for your 1975 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPF9 (Part No.CSPF9)

Richmond Gear Differential Pinion Shaft, CSPF9

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.
See More

Our Differential Ring Gear Bolts for 1975 Mercury Montegos

Make a smart move for your 1975 Mercury Montego with our Differential Ring Gear Bolt for $43.99.

ARP Auto Racing – "ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002" (Part No.250-3002)

"ARP Auto Racing For Use With Ford 9"" Using 5/8""Socket, 0.94""L Under Head, 7/16""-20, 12Point Head, 250-3002"

from

$43.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
See More

Top-Rated Differential Brands For Your 1975 Mercury Montego

When it comes to finding the perfect Differential for your 1975 Mercury Montego, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 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 $6.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1975 Mercury Montego, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1975 Mercury Montego Differentials

If you’re looking for a top-quality Differential for your 1975 Mercury Montego, 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 $9.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1975 Mercury Montego come highly rated, with over 9 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.

Top-Quality National 1975 Mercury Montego Differentials

For those in search of a high-quality Differential for their 1975 Mercury Montego, 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 $18.29, with an average price of $28.89, giving you a range of options to suit your budget. Backed by over 38 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.
National Tapered Roller Bearing Cone, HM89443
from $39.49
(2)
National Tapered Roller Bearing Cone, HM89443
“nice finish and function. Should perform well.”
National Multi-Purpose Bearing, A-18
from $18.29
(36)
National Multi-Purpose Bearing, A-18
“High quality.”

FAQs for 1975 Mercury Montego Differentials

What are the best-selling Differentials for 1975 Mercury Montegos?

Out of 124 Differentials that fit 1975 Mercury Montegos, the following parts are the top sellers:

What’s the price range for 1975 Mercury Montego Differentials?

The prices of Differentials for the 1975 Mercury Montego range from $2.99 up to $679.99 for the most premium parts.

What is the average price of a Differential for a 1975 Mercury Montego?

The average price for Differentials for the 1975 Mercury Montego is $230.66. 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 Montego model years?

Yes, we carry Differentials for 10 model years of Mercury Montegos between 1968 and 2007. The following model years are the most popular for Differential purchases: 2007, 2006, 2005, 1976, 1974, 1973, 1972, 1971, and 1970.

What are the cheapest Differentials for my 1975 Mercury Montego?

The cheapest 1975 Mercury Montego Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1975 Mercury models?

Yes. We stock Differentials for 6 other popular 1975 Mercury models. Some of the most popular are 1975 Cougar Differentials, 1975 Grand Marquis Differentials, 1975 Capri Differentials, 1975 Marquis Differentials, and 1975 Comet Differentials.

What types of Differentials do you sell for my 1975 Mercury Montego?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1975 Mercury Montego:

Can I get help with 1975 Mercury Montego 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 Montego Differentials?

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