1955 GMC S300 Transmission Parts
Find Your Specific 1955 GMC S300 Transmission Parts
Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1955 S300. Advance Auto Parts has popular S300 parts like Transmission Seals, Transmission Cooler and Parts, Manual Transmission Gaskets and more. You’ll also find aftermarket and OEM Transmission Parts for other S300 model years including
1956,
1957,
1958,
1959 and more. Select a category of 1955 GMC S300 Transmission Parts below and start saving instantly.
Popular 1955 GMC S300 Transmission Parts Categories
Essential Transmission Parts for 1955 GMC S300s
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:
- 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
Imperial – Mounting Kit System (Part No.226201)
from
$11.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial mounting kit system
- For installation of transmission coolers and electric fans
- Provides quick, effective installation of Imperial products
- Contains nylon mounting rods, foam pads and locking buttons
- Aftermarket electric fan and cooler mounting rods
- Made with the highest quality materials
- Quality machined for durability
- Removable buttons for relocation
- Aftermarket electric fan and cooler mounting rods
- Made with the highest quality materials
- Quality machined for durability
- Removable buttons for relocation
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)
from
$28.99
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
$23.99
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 – 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:
- Design type: springless; single-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
Felpro – Manual Transmission Gasket Set (Part No.TS 5100)
from
$14.99
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.
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
Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)
from
$25.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Transmission cooler reinstallation kit
- Contains part numbers 248001, 226201, 240250 and 4 hose clamps
- Provides all hardware for reinstallation of Imperial transmission coolers
- Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
- Made of high grade nylon for easy installation
- Removable buttons for cooler/fan relocation
- Made for both transmission coolers and electric fan installation
- Comes with Quick Connect coupler
Felpro – Manual Transmission Gasket Set (Part No.TS 5190)
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:
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 – Multi-Purpose Seal (Part No.7038SA)
from
$16.49
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:
- 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
National – Manual Transmission Output Shaft Seal (Part No.471341N)
from
$13.49
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:
- 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
Upgrade your 1955 GMC S300 with Top-Quality Transmission Parts
When it comes to maintaining or upgrading your 1955 GMC S300, 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 S300 functioning at its best. At Advance Auto Parts, we offer a wide selection of 10 Transmission Parts for the 1955 GMC S300, designed to meet your needs without breaking the bank.
From
Transmission Seal
replacements to
Transmission Cooler and Parts
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 S300 at great prices.
Our Transmission Parts inventory for this model
ranges from just $8.79 to $28.99, with
an average price of $16.70.
Our 10 Transmission Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 1955 GMC S300 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1955 GMC S300, we stock popular OEM and aftermarket Transmission Parts from top names
like Imperial, and more.
Imperial Transmission Parts
start at just $11.99 and boast an impressive 4.1 stars average rating from customers.
With 124 customer reviews and counting, our 1955 GMC S300 Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.
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 S300 is always ready to roll. We’re committed to providing you with everything you need to keep your S300 in top shape, all in one place.
Start shopping confidently below for your 1955 GMC S300!
Best-Selling Transmission Seals for 1955 GMC S300s
Enhance the driving experience in your GMC with 4 quality Transmission Seal components, starting at $8.79.
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:
- 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
National – Multi-Purpose Seal (Part No.7038SA)
from
$16.49
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:
- 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
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:
- Design type: springless; single-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
National – Manual Transmission Output Shaft Seal (Part No.471341N)
from
$13.49
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:
- 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
Most Popular 1955 GMC S300 Transmission Cooler and Parts
Customize your GMC with 2 Transmission Cooler and Parts products
like Transmission Oil Cooler Lines and
Transmission Oil Cooler Fittings, all
priced under $25.99.
Imperial – Mounting Kit System (Part No.226201)
from
$11.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Imperial mounting kit system
- For installation of transmission coolers and electric fans
- Provides quick, effective installation of Imperial products
- Contains nylon mounting rods, foam pads and locking buttons
- Aftermarket electric fan and cooler mounting rods
- Made with the highest quality materials
- Quality machined for durability
- Removable buttons for relocation
- Aftermarket electric fan and cooler mounting rods
- Made with the highest quality materials
- Quality machined for durability
- Removable buttons for relocation
Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)
from
$25.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
Product Features:
See More
Product Features:
- Transmission cooler reinstallation kit
- Contains part numbers 248001, 226201, 240250 and 4 hose clamps
- Provides all hardware for reinstallation of Imperial transmission coolers
- Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
- Made of high grade nylon for easy installation
- Removable buttons for cooler/fan relocation
- Made for both transmission coolers and electric fan installation
- Comes with Quick Connect coupler
Top Picks for 1955 GMC S300 Manual Transmission Gaskets
Upgrade GMC S300s with top-quality Manual Transmission Gaskets parts, including 2 OEM and aftermarket selections for your 1955 model.
Felpro – Manual Transmission Gasket Set (Part No.TS 5100)
from
$14.99
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.
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
$11.49
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:
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
In-Demand Transmission Flexplates for 1955 GMC S300s
Select from 2 premium Transmission Flexplates parts for your 1955 GMC S300, with prices ranging from $23.99 to $28.99.
ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 265 And 454 V8 With 2 Piece Rear Seal (Part No.200-2902)
from
$28.99
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
$23.99
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
Top-Rated Transmission Parts Brands For Your 1955 GMC S300
Shop for the best-rated brands offering Transmission Parts and other products for your 1955 GMC S300s. Below you’ll find some of our best rated Transmission Parts from Imperial, and more. Transmission Parts from these brands that fit a 1955 S300 start at just $11.99 and are rated as high as 4.1 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Imperial 1955 GMC S300 Transmission Parts
When it comes to maintaining or upgrading your 1955 GMC S300, using quality Transmission Parts is essential to ensure durability and a perfect fit. Imperial ticks all of those boxes. We offer a wide selection of Imperial Transmission Parts, specifically designed for the 1955 GMC S300. With over 1 Imperial brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $11.99. Plus, with over 27 customer reviews and an average rating of 4.1 stars, you can trust that our Imperial Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
FAQs for 1955 GMC S300 Transmission Parts
Which Transmission Parts are best-sellers for 1955 GMC S300s?
Out of 10 Transmission Parts that fit 1955 GMC S300s, the following parts are the top sellers:
- Multi-Purpose Seal (3268632) – $17.49
- Multi-Purpose Seal (18444735) – $16.49
- Manual Transmission Gasket Set (19780600) – $14.99
What’s the price range for 1955 GMC S300 Transmission Parts?
Transmission Part prices for the 1955 GMC S300 start at $8.79 and go up to $28.99 for the most premium parts.
What’s the average price of a Transmission Part for a 1955 GMC S300?
The average price for Transmission Parts for the 1955 GMC S300 is $16.70. 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 S300 model years?
What are the cheapest Transmission Parts for my 1955 GMC S300?
The cheapest 1955 GMC S300 Transmission Parts we carry in stock are:
- Multi-Purpose Seal (18442968) – $8.79
- Manual Transmission Gasket Set (19780377) – $11.49
- Mounting Kit System (6014844) – $11.99
- Manual Transmission Output Shaft Seal (18444122) – $13.49
- Manual Transmission Gasket Set (19780600) – $14.99
What are the top-rated Transmission Parts that fit the 1955 GMC S300?
Out of 124 reviews by customers, our 1955 GMC S300 Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1955 GMC S300 and their top-rated products:
- Transmission Cooler and Parts
- Mounting Kit System (6014844) – $11.99
- Transmission Oil Cooler Reinstallation Kit (5670023) – $25.99
What types of Transmission Parts do you sell for my 1955 GMC S300?
As of 3/1/26, these are some of the most in-demand types of Transmission Parts for a 1955 GMC S300:
Can I get help with 1955 GMC S300 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 S300 Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC S300 Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
