1970 GMC K25/K2500 Suburban Transmission Parts

Name: Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Brand: Permatex
SKU: 82194
Price: 11.49 USD
Rating: 5.0 (95 reviews)

Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1970 K25/K2500 Suburban. Advance Auto Parts has popular K25/K2500 Suburban parts like Transmission Cooler and Parts, Automatic Transmission Pan and Gaskets, Transmission Seals and more. You’ll also find aftermarket and OEM Transmission Parts for other K25/K2500 Suburban model years including 1967, 1968, 1969, 1971, 1972, 1973, 1974 and more. Select a category of 1970 GMC K25/K2500 Suburban Transmission Parts below and start saving instantly.

Popular 1970 GMC K25/K2500 Suburban Transmission Parts Categories

Gear Shift Levers

Transmission Torque Converters

OE Transmission Coolers

Manual Transmission Differential Bearings

Transmission Solenoids

Transmission Shift Cables

Automatic Transmission Governors

Manual Transmission Output Shaft Bearings

Transmission Pan Gaskets

Pinion Bearings

Transmission Mounts

Transmission Oil Pans

Transmission Master Repair Kits

Back Up and Neutral Safety Switches

Transmission Rebuild Kits

Transmission Oil Pan Gaskets

Transmission Dipsticks

Automatic Transmission Differential Bearings

Transmission Bushings

Detent Cables

Main Shaft Bearings

Automatic Transmission Oil Pump Seals

Transmission Modulator Valves

Pinion Seals

Miscellaneous Shift Shaft Seals

Automatic Transmission Dipstick Seals

Transmission Seals and O-rings

Automatic Transmission Kickdown Cable Brackets

Manual Transmission Bearing and Seal Overhaul Kits

Torque Converter Seals

Extension Housing Seals

Manual Transmission Output Shaft Seals

Automatic and Manual Transmission Shift Boots

Manual Transmission Gasket Sets

Manual Transmission Top Gaskets

Miscellaneous Automatic Transmission Seals

Transmission Shift Kits

Transfer Case Mounts

Manual Transmission Blocking Rings

Manual Transmission Main Shaft Seals

Automatic Transmission Flexplate Mounting Bolts

Automatic Transmission Output Shaft Bearings

Shift Shaft Seals

Automatic Transmission Oil Pump Gaskets

Automatic Transmission Fluid Filler Tube Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Speedometer Pinion Seals

Front Pump Seals

Automatic Transmission Seals

Automatic Transmission Shifter Cable Brackets

Intermediate Shaft Bearings

Automatic Transmission Friction Discs

Inner Gear Needle Bearings

Essential Transmission Parts for 1970 GMC K25/K2500 Suburbans

from

$11.49

Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:

High torque and rigidity
Sensor-safe, non-corrosive formula
OEM specified
Low-odor, non-corrosive formula
Ideal for closed spaced bolt patterns

from

$9.29

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:

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

from

$8.99

AT CLUTCH PLATE

from

$29.99

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:

Includes brackets, grommets, etc to match original
Helps transmission determine ideal downshift
Improves vehicle performance

from

$193.99

AT BANNER KIT

from

$32.99

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

from

$62.99

HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. Hardest, quickest possible shift.

Product Features:

Provides Crisp Shifts
On Any Stock Automatic Transmission
Eliminates Soft/Sluggish Shift
Eliminates Shift Overlap
Eliminate Clutch and Band Wear

from

$369.99

HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:

Furnace Brazed Impeller
Steel Alloy Pump Drive Tube
Heavy Duty Needle Bearing
Between Stator and Turbine
Furnace Brazed Turbine

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:

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

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

from

$121.99

Replacement aluminum cover for your B&M Pro Stick.

Product Features:

Pro Stick; Brushed Aluminum Cover
Aluminum Cover
Replacement Part
Sold individually
B&M quality

from

$28.99

Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.

Product Features:

Shifter Service Parts
Steel
Natural Finish
Sold individually
Replacement for Bandit shifters

from

$25.49

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
Controlled heat treating process for lasting performance and extended bearing life
Industry leading coverage
Professional technicians know they can depend on National

from

$30.99

Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:

Fits GM Th350 – Chevy Specific. Modify For Others
27 In Length
Chrome Plated Steel

from

$10.99

AT OIL PUMP GASKET

from

$7.99

AT EXT HOUSING SEAL

from

$14.99

AT OIL PUMP SEAL

from

$14.99

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 and bronze for outstanding durability and performance
Oil impregnated for extended life
Industry leading coverage
Professional technicians know they can depend on National

from

$11.99

AT EXT HOUSING SEAL

from

$3.99

AT SOLENOID SEAL

from

$109.99

This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.

Product Features:

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

from

$48.99

AT MODULATOR VALVE

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:

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

from

$28.99

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
Controlled heat treating process for lasting performance and extended bearing life
Industry leading coverage
Professional technicians know they can depend on National

from

$6.29

AT SEAL

from

$54.99

Product Features:

Imperial Econo-Kool« tube and fin transmission cooler
Size: 3/4″ x 5″ x 15-7/8″
Compact and mid-size cars
GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$28.49

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:

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

Upgrade your 1970 GMC K25/K2500 Suburban with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1970 GMC K25/K2500 Suburban, 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 K25/K2500 Suburban functioning at its best. At Advance Auto Parts, we offer a wide selection of 169 Transmission Parts for the 1970 GMC K25/K2500 Suburban, designed to meet your needs without breaking the bank. From Transmission Cooler and Part replacements to Automatic Transmission Pan and Gaskets 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 1970 GMC K25/K2500 Suburban at great prices. Our Transmission Parts inventory for this model ranges from just $1.99 to $1,150.00, with an average price of $160.14. Our 169 Transmission Parts in stock come from 19 trusted brands, so you’re sure to find the right part for your 1970 GMC K25/K2500 Suburban 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 1970 GMC K25/K2500 Suburban, we stock popular OEM and aftermarket Transmission Parts from top names like Imperial, National, Pro-King, and more. Imperial Transmission Parts start at just $39.99 and boast an impressive 4 stars average rating from customers. National and Pro-King also bring quality to the table, with Transmission Parts available starting at $2.99, and at an average 4 stars rating. With 1,813 customer reviews and counting, our 1970 GMC K25/K2500 Suburban 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, Oil and Lubricants and more to make sure your 1970 GMC K25/K2500 Suburban is always ready to roll. We’re committed to providing you with everything you need to keep your K25/K2500 Suburban in top shape, all in one place. Start shopping confidently below for your 1970 GMC K25/K2500 Suburban!

Best-Selling Transmission Cooler and Parts for 1970 GMC K25/K2500 Suburbans

Enhance the driving experience in your GMC with 12 quality Transmission Cooler and Part components, starting at $39.99.

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from

$85.99

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$73.99

The Imperial Maxi-Cool® XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Maxi-Cool® plate and fin transmission cooler
Size: 3/4″ x 11″ x 7-1/2″
Mid-size and full-size cars, pickups
GVWR up to 20,000 lbs.; towing up to 2,500 lbs.

from

$54.99

Product Features:

Imperial Econo-Kool« tube and fin transmission cooler
Size: 3/4″ x 5″ x 15-7/8″
Compact and mid-size cars
GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$39.99

Product Features:

Imperial Econo-Kool« tube and fin transmission cooler
Size: 3/4″ x 5″ x 12-1/2″
Sub-compact to compact cars
GVWR up to 12,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$81.99

Product Features:

Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 30,000 lbs.; towing up to 10,000 lbs.

from

$65.99

Product Features:

Imperial Econo-Kool« tube and fin transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$80.99

Product Features:

Imperial Rapid-Cool« plate and fin transmission cooler
Size: 3/4″ x 11″ x 9-1/2″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
33% more efficient than a comparable tube and fin design

from

$52.99

Product Features:

Mid-size and full-size cars, pickups
GVWR up to 18,000 lbs.; towing up to 3,500 lbs
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$81.99

High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion

from

$67.99

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 12-1/2″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$65.99

Product Features:

Imperial Econo-Kool« tube and fin transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$145.99

Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.

Product Features:

Imperial Econo-Kool® tube and fin transmission cooler
Size: 1-1/2″ x 12″ x 15 1/8″
Severe-duty transmission oil cooling applications
Towing with class “A” motor home or towing more than 10,000 lbs.

Most Popular 1970 GMC K25/K2500 Suburban Automatic Transmission Pan and Gaskets

Customize your GMC with 22 Automatic Transmission Pan and Gaskets products like Transmission Pan Gaskets, Transmission Oil Pan Gaskets, and Transmission Oil Pans, all priced under $282.99.

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from

$8.49

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:

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

from

$9.29

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:

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

from

$63.99

These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Each kit Includes the drain plug, gasket and hardware.

Product Features:

Chrome Plated For Great Looks
Fits As Direct Replacement For Stock
Includes: Drain Plug, Drain Plug Gasket, and Cork Pan Gasket
Pan Height: 2.5″ Overall Height

from

$116.99

Add fluid capacity to your transmission. Extra fluid means more cooling, and more cooling means better efficiency and performance. Add life to your transmission with a B&M Deep Pan!

Product Features:

Additional Oil Capacity
More Cooling Ability
No Dipstick Modification
Some Include Fluid Pickup Extension
Built-In Drain Plugs
Chrome Plated Steel

from

$22.99

Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.

Product Features:

High density cork-nitrile rubber blend
Excellent compressibility and high recovery to create a positive seal
Excellent Compressibility

from

$65.99

These pans are offered in stock depth or deep with extra capacity and available in both steel and aluminum to fit your specific needs. Includes drain plug, gasket and hardware.

Product Features:

Overall Height: 2.0″
Stock Depth and Capacity
Includes: Drain Plug, Washer & Gasket

from

$8.99

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:

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

from

$30.19

Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.

Product Features:

High density cork-nitrile rubber blend
Excellent compressibility and high recovery to create a positive seal
Excellent Compressibility

from

$10.99

AT OIL PUMP GASKET

from

$116.99

Stock Depth And Capacity
Chrome Plated
Includes Drain Plug/Gasket/Hardware

from

$64.99

Spectre’s Transmission Pans provide a show quality replacement for a wide variety of transmissions, and include a drain plug to allow convenient fluid changes. This high capacity pan was designed to fit GM TH400 transmissions. Manufactured from high quality steel with a triple chrome-plated finish, this pan has a finned surface to offer improved cooling.

Product Features:

Manufactured from triple chrome-plated steel
Designed for GM TH400 transmissions
Includes drain plug
High capacity
Features fins for added cooling

from

$37.69

These transmission oil pan gaskets are made with a glass-filled nylon carrier with molded rubber on both the top and bottom of the gasket. Each bolt hole has a torque limiter that helps to avoid over-torqueing the bolts for a reliable seal. These gasket are reusable and can be cleaned using soap and water. Ideal for applications that require frequent service. Made in the USA.

Product Features:

Molded rubber over glass filled nylon carrier
Reusable ¿ easy cleaning w/ soap & water
Reusable ┐ easy cleaning w/ soap & water
Torque Limiters ¿ helps to avoid over torqueing gaskets
Torque Limiters ┐ helps to avoid over torqueing gaskets
Applications for many common transmissions
Ideal for applications that require frequent service
Made in the USA

from

$159.99

The Spectre Transmission Pan Turbo 350 was designed to fit General Motors TH350 transmissions. This stock capacity transmission pan features polished aluminum construction, fins for added cooling, and includes a drain plug. This product is easy to install with no special tools or skills required.

Product Features:

Manufactured from polished aluminum
Designed for GM TH350 transmissions
Stock capacity
Easy to install with no special tools or skills required
Features fins for added cooling
Includes drain plug

from

$56.99

Auto Trans Oil Pan

from

$36.49

Molded rubber over glass filled nylon carrier
Reusable ¿ easy cleaning w/ soap & water
Reusable ┐ easy cleaning w/ soap & water
Torque Limiters ¿ helps to avoid over torqueing gaskets
Torque Limiters ┐ helps to avoid over torqueing gaskets
Applications for many common transmissions
Ideal for applications that require frequent service
Made in the USA

from

$22.99

GM (General Motors) Powerglide Transmission Pan Gasket – Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.

Product Features:

High density cork-nitrile rubber blend
Excellent compressibility and high recovery to create a positive seal
Excellent Compressibility

from

$282.99

B&M Deep Transmission Pans increase the fluid capacity of your transmission, improving the cooling, allowing your transmission to work as efficiently as possible. Included drain plug, eliminates the need to drop the pan to drain the fluid.

Product Features:

Additional Oil Capacity
More Cooling Ability
No Dipstick Modification
Some Include Fluid Pickup Extension
Built-In Drain Plugs

from

$269.99

These B&M automatic transmission deep pans provide additional fluid capacity and cooling ability. No modifications to the dipstick are needed. They include a drain plug for clean and easy fluid changes. Adds 3 quarts to the Transmission.

Product Features:

Additional Oil Capacity
More Cooling Ability
No Dipstick Modification
Some Include Fluid Pickup Extension
Built-In Drain Plugs
Cast Aluminum

from

$259.99

Additional Oil Capacity
More Cooling Ability
No Dipstick Modification
Some Include Fluid Pickup Extension
Built-In Drain Plugs

from

$113.99

Additional Oil Capacity
More Cooling Ability
No Dipstick Modification
Some Include Fluid Pickup Extension
Built-In Drain Plugs
Chrome Plated Steel

from

$59.19

EDP Black Steel
Stock capacity
Includes drain plug, gasket and hardware

from

$15.99

AT OIL PAN GASKET

Top Picks for 1970 GMC K25/K2500 Suburban Transmission Seals

Upgrade GMC K25/K2500 Suburbans with top-quality Transmission Seals parts, including 33 OEM and aftermarket selections for your 1970 model.

show more show less

from

$4.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$24.99

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

from

$5.99

AT DPSTK TUBE SEAL

from

$6.99

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

from

$1.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$41.49

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

from

$16.49

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

from

$16.99

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

from

$10.99

AT EXT HOUSING SEAL

from

$7.99

AT EXT HOUSING SEAL

from

$2.79

Product Features:

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

from

$6.79

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

from

$8.49

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

from

$6.79

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$11.99

AT EXT HOUSING SEAL

from

$4.99

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

from

$13.49

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

from

$8.79

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

from

$17.49

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

from

$10.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$2.49

Product Features:

Brand may vary by location

from

$5.99

AT SPD PINION SEAL

from

$15.99

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

from

$7.29

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

from

$7.99

AT EXT HOUSING SEAL

from

$6.29

AT SEAL

from

$6.29

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$198.99

ManTransBrg-SealKit

from

$92.99

ManTransBrg-SealKit

from

$48.99

ManTransSmallPartKit

from

$14.99

AT OIL PUMP SEAL

from

$3.99

Shift Shaft O-Ring

from

$2.99

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

In-Demand Automatic Transmission Parts for 1970 GMC K25/K2500 Suburbans

Select from 21 premium Automatic Transmission Parts parts for your 1970 GMC K25/K2500 Suburban, with prices ranging from $3.99 to $109.99.

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$3.99

AT SOLENOID SEAL

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$28.99

Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:

Shifter Service Parts

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$34.49

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

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$33.49

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

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$30.99

Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:

Fits GM Th350 – Chevy Specific. Modify For Others
27 In Length
Chrome Plated Steel

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$43.99

B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.

Product Features:

Fully Adjustable
Allows You To Tailor Shift Points
Comes Supplied Pre-Adjusted

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$18.99

Product Features:

Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.

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$5.99

AT OIL PUMP ORING

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$7.99

This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$48.99

AT MODULATOR VALVE

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$17.99

AT MODULATOR VALVE

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$10.99

AT FRT PUMP BUSHING

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$42.49

Fits GM (General Motors) Powerglide transmissions with an aluminum case. Chrome plated dipstick that includes O-ring for a positive seal.

Product Features:

Chrome Plated
Includes O-Ring

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$83.29

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

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$109.99

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

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$108.99

What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:

Automatic Transmission Dip Stick
Mounts to bellhousing
Sold as a kit
Natural finish
Fits TH350 & TH350C

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$108.99

Automatic Transmission Dip Stick

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$84.99

These universal fit adjustable cables will work in 95 percent of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.

Product Features:

Universal Fit Adjustable
Less Expensive Than OE Models
Ease Trans. Swap Installation

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$84.99

When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Product Features:

Allows High Speed Cruise
Cruise In Overdrive
Prevents Part Throttle Kickdown
Quick Installation

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$39.99

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$8.99

AT CLUTCH PLATE

Most Sold 1970 GMC K25/K2500 Suburban Transmission Mounts

Explore our best-selling GMC parts for the 1970 K25/K2500 Suburban among 4 OEM and aftermarket options starting from $5.99.

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$5.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CHEV 55-91; GMC 55-91;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1955-1991
Weight approx: 1 Lbs
REUSE BRACKET

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$9.49

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CHEV 55-89; GMC 55-89;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1955-1989
Weight approx: 2 Lbs
REUSE BRACKET

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$29.99

Product Features:

Transfer Case Torque Mount

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$27.99

Product Features:

Transfer Case Torque Mount

Top-Rated Transmission Parts Brands For Your 1970 GMC K25/K2500 Suburban

Shop for the best-rated brands offering Transmission Parts and other products for your 1970 GMC K25/K2500 Suburbans. Below you’ll find some of our best rated Transmission Parts from Imperial, National, and Pro-King, and more. Transmission Parts from these brands that fit a 1970 K25/K2500 Suburban start at just $2.99 and are rated as high as 4 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Imperial 1970 GMC K25/K2500 Suburban Transmission Parts

When it comes to maintaining or upgrading your 1970 GMC K25/K2500 Suburban, 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 1970 GMC K25/K2500 Suburban. With over 12 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 $39.99, with an average price of just $74.91. Plus, with over 153 customer reviews and an average rating of 4 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.

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$65.99

This product is not rated

Econo-Kool® Transmission Oil Cooler

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$145.99

This product is not rated

Transmission Oil Cooler

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$67.99

This product is not rated

High Performance Transmission Oil Cooler

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Popular National 1970 GMC K25/K2500 Suburban Transmission Parts

National auto parts is one of the highest quality Transmission Part brands in the market. Any 1970 GMC K25/K2500 Suburban owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1970 K25/K2500 Suburban, Advance Auto Parts carries a full inventory of 23 National Transmission Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Transmission Parts range from $2.99 to $41.49, plus, with more than 32 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

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$16.99

This product is not rated

Multi Purpose Seal

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$25.49

This product is not rated

Bearings

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$6.79

This product is not rated

Multi Purpose Seal

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FAQs for 1970 GMC K25/K2500 Suburban Transmission Parts

Which Transmission Parts are best-sellers for 1970 GMC K25/K2500 Suburbans?

Out of 169 Transmission Parts that fit 1970 GMC K25/K2500 Suburbans, the following parts are the top sellers:

Econo-Kool® Transmission Oil Cooler (6014720) – $39.99
AT DPSTK TUBE SEAL (11236304) – $5.99
Automatic Transmission Vacuum Modulator (5152976) – $34.49

What’s the price range for 1970 GMC K25/K2500 Suburban Transmission Parts?

Transmission Part prices for the 1970 GMC K25/K2500 Suburban start at $1.99 and go up to $1,150.00 for the most premium parts.

What’s the average price of a Transmission Part for a 1970 GMC K25/K2500 Suburban?

The average price for Transmission Parts for the 1970 GMC K25/K2500 Suburban is $160.14. 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 K25/K2500 Suburban model years?

Yes, we currently carry Transmission Parts for 7 model years of GMC K25/K2500 Suburbans between 1967 and 1974. Transmission Parts are bought most frequently for the following model years: 1974, 1973, 1972, 1971, 1969, 1968, and 1967.

What are the cheapest Transmission Parts for my 1970 GMC K25/K2500 Suburban?

The cheapest 1970 GMC K25/K2500 Suburban Transmission Parts we carry in stock are:

Oil Seal (5440998) – $1.99
Auto Transmission Shift Shaft Seal (11407786) – $2.49
Automatic Transmission Speedometer Pinion Seal (11236107) – $2.79
Multi Purpose Seal (18444449) – $2.99
AT SOLENOID SEAL (11239035) – $3.99

What are the top-rated Transmission Parts that fit the 1970 GMC K25/K2500 Suburban?

Out of 1,813 reviews by customers, our 1970 GMC K25/K2500 Suburban Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1970 GMC K25/K2500 Suburban and their top-rated products:

Automatic Transmission Pan and Gaskets
- Transmission Oil Pan Gasket (5181054) – $8.49
- Transmission Oil Pan Gasket (5181011) – $9.29
- Automatic Transmission Oil Pan (17360643) – $63.99
Transmission Bearings
- Transmission Oil Pan Gasket (5181054) – $8.49
- Transmission Oil Pan Gasket (5181011) – $9.29
- Automatic Transmission Oil Pan (17360643) – $63.99

What types of Transmission Parts do you sell for my 1970 GMC K25/K2500 Suburban?

As of 2/5/25, these are some of the most in-demand types of Transmission Parts for a 1970 GMC K25/K2500 Suburban:

Can I get help with 1970 GMC K25/K2500 Suburban 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 K25/K2500 Suburban Transmission Parts?

Advance Auto Parts keeps returns simple. For new GMC K25/K2500 Suburban Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1970 GMC K25/K2500 Suburban Transmission Parts

Permatex – Sensor-Safe, High-Torque RTV Silicone Gasket Maker (Part No.82194)

Felpro – Transmission Oil Pan Gasket (Part No.TOS 18621)

ATP – AT CLUTCH PLATE (Part No.JC-50)

ATP – Automatic Transmission Detent Cable (Part No.Y-103)

ATP – AT BANNER KIT (Part No.SM-11)

National – Bearings (Part No.2793)

B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)

B & M – Holeshot 2000 (Part No.20416)

ARP Auto Racing – For Use With 90 Degree V6 Chevy/ 305, 502 V8 With 1 Piece Rear Seal (Part No.200-2906)

National – Shaft Repair Sleeve (Part No.99212)

B & M – Shifter Accessory, Pro Stick Aluminum Cover (Part No.80717)

B & M – Cable Bracket (Part No.30498)

National – Bearings (Part No.206)

Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

ATP – AT OIL PUMP GASKET (Part No.SG-27)

ATP – AT EXT HOUSING SEAL (Part No.SO-22)

ATP – AT OIL PUMP SEAL (Part No.CO-4)

National – Bearings (Part No.PB-656-HD)

ATP – AT EXT HOUSING SEAL (Part No.HO-8)

ATP – AT SOLENOID SEAL (Part No.JO-15)

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

ATP – AT MODULATOR VALVE (Part No.JX-76)

National – Multi Purpose Seal (Part No.5208)

National – Bearings (Part No.207-S)

ATP – AT SEAL (Part No.SO-39)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242010)

Felpro – Manual Transmission Gasket Set (Part No.TS 80161)

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242010)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242009)

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.241018)

Imperial – Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty (Part No.243008)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)

Imperial – Transmission Oil Cooler (Part No.241015)

Felpro – Transmission Oil Pan Gasket (Part No.TOS 18633)

Felpro – Transmission Oil Pan Gasket (Part No.TOS 18621)

Mr. Gasket – Automatic Transmission Oil Pan (Part No.9761)

B & M – Chrome Deep Transmission Pan For TH 350 Transmission (Part No.30289)

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8690)

Mr. Gasket – Automatic Transmission Oil Pan (Part No.9762)

Felpro – Transmission Oil Pan Gasket (Part No.TOS 18608)

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8691)

ATP – AT OIL PUMP GASKET (Part No.SG-27)

Mr. Gasket – A/Toilpan (Part No.9791G)

Spectre – Trans Pan Turbo 400 Ex (Part No.5459)

Mr. Gasket – Gaskets (Part No.61082MRG)

Spectre – Aluminum Trans Pan TH350 (Part No.5460)

Mr. Gasket – Auto Trans Oil Pan (Part No.9769CMRG)

Mr. Gasket – Gaskets (Part No.61081MRG)

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8693)

B & M – Cast Powerglide Transmission Pan (Part No.70280)

B & M – Transmission Cast Deep Pan, Brushed Finish TH-350 (Part No.30280)

B & M – Transmission Cast Deep Pan, Brushed Finish – TH400 (Part No.20280)

B & M – DEPTH PAN CHROME HP (Part No.20289)

Mr. Gasket – Appearance Products (Part No.9765BMRG)

ATP – AT OIL PAN GASKET (Part No.CG-10)

Driveworks – Oil Seal (Part No.S-9613S)

National – Shaft Repair Sleeve (Part No.99138)

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

National – Multi Purpose Seal (Part No.8792S)

Driveworks – Oil Seal (Part No.S-9449)

National – Shaft Repair Sleeve (Part No.99212)

National – Multi Purpose Seal (Part No.5208)

National – Multi Purpose Seal (Part No.472164)

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

ATP – AT EXT HOUSING SEAL (Part No.SO-22)

ATP – Automatic Transmission Speedometer Pinion Seal (Part No.SO-13)

National – Multi Purpose Seal (Part No.471466)

National – Multi Purpose Seal (Part No.6835S)

Driveworks – Oil Seal (Part No.S-7412S)

ATP – AT EXT HOUSING SEAL (Part No.HO-8)

National – Multi Purpose Seal (Part No.240735)

National – Multi Purpose Seal (Part No.410085)

National – Multi Purpose Seal (Part No.2287)