1955 GMC M340 Transmission Parts
Find Your Specific 1955 GMC M340 Transmission Parts
Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1955 M340. Advance Auto Parts has popular M340 parts like Transmission Bearings, Transmission Seals, Transmission Flexplates and more. You’ll also find aftermarket and OEM Transmission Parts for other M340 model years including
1956 and more. Select a category of 1955 GMC M340 Transmission Parts below and start saving instantly.
Popular 1955 GMC M340 Transmission Parts Categories
Essential Transmission Parts for 1955 GMC M340s
National – Multi Purpose Seal (Part No.411330N)
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:
See More
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
National – Multi Purpose Seal (Part No.5M89)
from
$7.29
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:
See More
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
Felpro – Manual Transmission Gasket Set (Part No.TS 5190)
from
$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
Driveworks – Oil Seal (Part No.S-7038SA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi Purpose Seal (Part No.471341N)
from
$13.29
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:
See More
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
National – Bearings (Part No.306-L)
from
$42.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Multi Purpose Seal (Part No.340797)
from
$8.79
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:
See More
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
Felpro – Manual Transmission Gasket Set (Part No.TS 5100)
from
$13.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
National – Bearings (Part No.M-1206-EL)
from
$57.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- High radial load capacity makes them suitable for high speed applications
- Industry leading coverage
- Professional technicians know they can depend on National
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)
from
$22.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.
Product Features:
See More
Product Features:
- Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
- Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
- Flanged Nut
- Increased Strength And Improved Flywheel Register
- Chevy 90░ V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
- 0.68″ Underhead Length
- 200,000 PSI
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)
from
$18.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.
Product Features:
See More
Product Features:
- Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
- Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
- Flanged Nut
- Increased Strength And Improved Flywheel Register
- Chevy 90░ V6 & 305-502 With 1-pc Rear Seal
- 0.725″ Underhead Length
- 200,000 PSI
National – Bearings (Part No.207-L)
from
$32.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
Upgrade your 1955 GMC M340 with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 1955 GMC M340, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Transmission Parts are key to keeping your M340 functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Transmission Parts for the 1955 GMC M340, designed to meet your needs without breaking the bank.
From
Transmission Bearing
replacements to
Transmission Seals
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1955 GMC M340 at great prices.
Our Transmission Parts inventory for this model
ranges from just $6.29 to $57.99, with
an average price of $19.94.
Our 12 Transmission Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 1955 GMC M340 without overspending.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1955 GMC M340 is always ready to roll. We’re committed to providing you with everything you need to keep your M340 in top shape, all in one place.
Start shopping confidently below for your 1955 GMC M340!
Best-Selling Transmission Bearings for 1955 GMC M340s
Enhance the driving experience in your GMC with 3 quality Transmission Bearing components, starting at $32.99.
National – Bearings (Part No.207-L)
from
$32.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.M-1206-EL)
from
$57.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- High radial load capacity makes them suitable for high speed applications
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.306-L)
from
$42.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Controlled heat treating process for lasting performance and extended bearing life
- Industry leading coverage
- Professional technicians know they can depend on National
Most Popular 1955 GMC M340 Transmission Seals
Customize your GMC with 5 Transmission Seals products
like Transmission Seals and O-rings,
Pinion Seals, and
Manual Transmission Output Shaft Seals, all
priced under $17.49.
National – Multi Purpose Seal (Part No.411330N)
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:
See More
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
National – Multi Purpose Seal (Part No.5M89)
from
$7.29
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:
See More
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
Driveworks – Oil Seal (Part No.S-7038SA)
from
$6.29
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi Purpose Seal (Part No.340797)
from
$8.79
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:
See More
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
National – Multi Purpose Seal (Part No.471341N)
from
$13.29
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:
See More
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
Top Picks for 1955 GMC M340 Transmission Flexplates
Upgrade GMC M340s with top-quality Transmission Flexplates parts, including 2 OEM and aftermarket selections for your 1955 model.
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)
from
$22.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.
Product Features:
See More
Product Features:
- Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
- Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
- Flanged Nut
- Increased Strength And Improved Flywheel Register
- Chevy 90░ V6 & 265-454 With 2-pc Rear Seal, Ford 289-460
- 0.68″ Underhead Length
- 200,000 PSI
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)
from
$18.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.
Product Features:
See More
Product Features:
- Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
- Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
- Flanged Nut
- Increased Strength And Improved Flywheel Register
- Chevy 90░ V6 & 305-502 With 1-pc Rear Seal
- 0.725″ Underhead Length
- 200,000 PSI
In-Demand Manual Transmission Gaskets for 1955 GMC M340s
Select from 2 premium Manual Transmission Gaskets parts for your 1955 GMC M340, with prices ranging from $11.29 to $13.99.
Felpro – Manual Transmission Gasket Set (Part No.TS 5100)
from
$13.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
Felpro – Manual Transmission Gasket Set (Part No.TS 5190)
from
$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
FAQs for 1955 GMC M340 Transmission Parts
Which Transmission Parts are best-sellers for 1955 GMC M340s?
Out of 12 Transmission Parts that fit 1955 GMC M340s, the following parts are the top sellers:
- Bearings (3273156) – $32.99
- Multi Purpose Seal (3268632) – $17.49
- Manual Transmission Gasket Set (19780377) – $11.29
What’s the price range for 1955 GMC M340 Transmission Parts?
Transmission Part prices for the 1955 GMC M340 start at $6.29 and go up to $57.99 for the most premium parts.
What’s the average price of a Transmission Part for a 1955 GMC M340?
The average price for Transmission Parts for the 1955 GMC M340 is $19.94. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Transmission Parts for other GMC M340 model years?
Yes, we currently carry Transmission Parts for 1 model years of GMC M340s between 1956 and 1956. Transmission Parts are bought most frequently for the following model years: 1956.
What are the cheapest Transmission Parts for my 1955 GMC M340?
The cheapest 1955 GMC M340 Transmission Parts we carry in stock are:
- Oil Seal (5441803) – $6.29
- Multi Purpose Seal (18444656) – $7.29
- Multi Purpose Seal (18442968) – $8.79
- Manual Transmission Gasket Set (19780377) – $11.29
- Multi Purpose Seal (18444122) – $13.29
What types of Transmission Parts do you sell for my 1955 GMC M340?
As of 2/5/25, these are some of the most in-demand types of Transmission Parts for a 1955 GMC M340:
Can I get help with 1955 GMC M340 Transmission Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Transmission Parts and more.
What is your return policy for GMC M340 Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC M340 Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
