1958 GMC FM340 Differentials

Keep Your 1958 GMC FM340 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1958 GMC FM340 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Pinion Pilot Bearings, and Rear Housing 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. For example, National Differentials start at just $41.49 with an average 4.3 star rating. With over 4 reviews and a solid 5 star average, you can shop with confidence knowing other GMC FM340 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1958 GMC FM340 Differential at Advance Auto Parts is around $80.37, with a range that starts at $7.79 and goes up to $372.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Bearings, Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket, and Multi Purpose Seal start at just $11.49 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1958 GMC FM340 in peak condition, inside and out.

Essential 1958 GMC FM340 Differentials

National – Bearings (Part No.28682)

Bearings

from

$30.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

National – Shaft Repair Sleeve (Part No.99212)

Shaft Repair Sleeve

from

$41.49
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:
  • 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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

National – Bearings (Part No.A-1011)

Bearings

from

$372.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Felpro – Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 4305)

Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket

from

$7.79
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

National – Multi Purpose Seal (Part No.411330N)

Multi Purpose Seal

from

$17.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 4304)

Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket

from

$11.49
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Most Popular Differential Bearing for 1958 GMC FM340s

Enhance your 1958 GMC FM340 with this popular Differential Bearing we have in stock, for $30.99.

National – Bearings (Part No.28682)

Bearings

from

$30.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Best-Selling 1958 GMC FM340 Differential Pinion Pilot Bearing

Upgrade your FM340 with our best-selling Differential Pinion Pilot Bearing with a 4 Starts rating across 1 review.

National – Shaft Repair Sleeve (Part No.99212)

Shaft Repair Sleeve

from

$41.49
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:
  • 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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Top-Quality Rear Housing Cover Gaskets for 1958 GMC FM340s

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC FM340s and enjoy top-notch performance from $11.49.

Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 4304)

Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket

from

$11.49
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Our Top Pick for a 1958 GMC FM340 Front Differential Pinion Bearing

Invest in a durable Front Differential Pinion Bearing for your 1958 Ford, knowing you’re getting trusted brands and expert craftsmanship.

National – Bearings (Part No.A-1011)

Bearings

from

$372.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Our Differential Pinion Seals for 1958 GMC FM340s

Make a smart move for your 1958 GMC FM340 with our Differential Pinion Seal for $17.49.

National – Multi Purpose Seal (Part No.411330N)

Multi Purpose Seal

from

$17.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Top-Rated Differential Brands For Your 1958 GMC FM340

When it comes to finding the perfect Differential for your 1958 GMC FM340, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 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 $41.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1958 GMC FM340, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1958 GMC FM340 Differentials

If you’re looking for a top-quality Differential for your 1958 GMC FM340, 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 $41.49 and an average cost of $207.24, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1958 GMC FM340 come highly rated, with over 2 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.
Bearings
from $372.99
(1)
Bearings
“A reasonable replacement item”
Shaft Repair Sleeve
from $41.49
(1)
Shaft Repair Sleeve
“Came with installation tool and instructions. Easy to install. Found that rather than beating the sleeve on the entire way, once started on, clamp in”

FAQs for 1958 GMC FM340 Differentials

What are the best-selling Differentials for 1958 GMC FM340s?

Out of 6 Differentials that fit 1958 GMC FM340s, the following parts are the top sellers:

What’s the price range for 1958 GMC FM340 Differentials?

The prices of Differentials for the 1958 GMC FM340 range from $7.79 up to $372.99 for the most premium parts.

What is the average price of a Differentials Differential for a 1958 GMC FM340?

The average price for Differentials for the 1958 GMC FM340 is $80.37. 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 GMC FM340 model years?

Yes, we carry Differentials for 3 model years of GMC FM340s between 1955 and 1959. The following model years are the most popular for Differential purchases: 1959, 1957, 1956, and 1955.

What are the cheapest Differentials for my 1958 GMC FM340?

The cheapest 1958 GMC FM340 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1958 GMC models?

Yes. We stock Differentials for 19 other popular 1958 GMC models. Some of the most popular are 1958 Truck Differentials, 1958 100 Differentials, 1958 150 Differentials, 1958 250 Differentials, and 1958 300 Differentials.

What are the top-rated Differentials that fit the 1958 GMC FM340?

The one 1958 GMC FM340 Differential we have in stock is the Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket. It costs $7.79.

What types of Differentials do you sell for my 1958 GMC FM340?

As of 4/10/25, these are some of the most in-demand types of Differentials for a 1958 GMC FM340:

Can I get help with 1958 GMC FM340 Differential orders?

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

What is your return policy for GMC FM340 Differentials?

Advance Auto Parts keeps returns simple. For new GMC FM340 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.