GMC K25/K2500 Pickup Transmission Parts

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Essential GMC K25/K2500 Pickup Transmission Parts

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

Multi Purpose Seal

from

$6.99
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
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B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$99.99
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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Mr. Gasket – A/Tdipstick (Part No.9703G)

A/Tdipstick

from

$95.99
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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National – Multi-Purpose Seal (Part No.240698)

Multi-Purpose Seal

from

$3.29
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:
  • 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
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B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission

from

$128.99
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
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ATP – AT OIL PUMP GASKET (Part No.SG-27)

AT OIL PUMP GASKET

from

$11.79
AT OIL PUMP GASKET

ATP – AUTO TRANS BAND (Part No.JX-58)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

B & M – Cable Bracket (Part No.30498)

Cable Bracket

from

$33.99
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
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B & M – Transmission Cast Deep Pan, Brushed Finish TH-350 (Part No.30280)

Transmission Cast Deep Pan, Brushed Finish TH-350

from

$306.99
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
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ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$9.59
AT CLUTCH PLATE

National – Tapered Roller Bearing Cone (Part No.25590)

Tapered Roller Bearing Cone

from

$27.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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B & M – Shifter Accessory, Pro Stick Aluminum Cover (Part No.80717)

Shifter Accessory, Pro Stick Aluminum Cover

from

$142.99
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
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National – Manual Transmission Output Shaft Seal (Part No.471341N)

Manual Transmission Output Shaft Seal

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:
  • 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
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National – Bearing Race (Part No.2720)

Bearing Race

from

$12.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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ACDelco – Neutral Safety Switch (Part No.D2219C)

Neutral Safety Switch

from

$47.49
ACDelco Professional Neutral Safety Switch is a high quality aftermarket replacement component for one or more of the following vehicle systems: automatic transmission/transaxle, and/or manual drivetrain and axles. This premium aftermarket switch is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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ATP – AT OVERHAUL KIT (Part No.JGS-52)

AT OVERHAUL KIT

from

$81.99
AT OVERHAUL KIT

National – Multi-Purpose Bearing (Part No.A-35)

Multi-Purpose Bearing

from

$35.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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ATP – AT OIL PAN GASKET (Part No.CG-10)

AT OIL PAN GASKET

from

$16.99
AT OIL PAN GASKET

National – Tapered Roller Bearing Cone (Part No.25877)

Tapered Roller Bearing Cone

from

$23.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$11.99
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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ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

from

$6.39
AT DPSTK TUBE SEAL

B & M – Automatic Shifter, Megashifter-Right Hand Drive (Part No.80685)

Automatic Shifter, Megashifter-Right Hand Drive

from

$528.99
The B&M Megashifter has it all, form, function and classic style. This all adds up to bring you a quality shifter that’s been one of the most popular automatic shifters of all time. The light truck Megashifter is better suited for truck and bench seat app

Product Features:
  • Universal Floor Mount Application
  • Cable Operated
  • Quick Installation
  • Accurate Shifting
  • NHRA/IHRA Reverse Lockout Meets Requirements
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B & M – Automatic Shifter, Pro Ratchet Shift, Powerglide (Part No.80840)

Automatic Shifter, Pro Ratchet Shift, Powerglide

from

$499.99
The Pro Ratchet shifter is one of our most popular and easiest to operate race shifters. Features include positive ratcheting design that self-centers the handle after each shift giving you maximum clearance behind the shifter, and will not allow you to m

Product Features:
  • Single Hand Operated Reverse Lockout
  • Reverse Lockout Meets NHRA And IHRA Requirements
  • Quick And Easy To Operate
  • Stick Always Returns To Center Position
  • Easiest Unit To Double Shift w/Air/CO2/Electric Mech
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B & M – Bracket and Lever Kit (Part No.70497)

Bracket and Lever Kit

from

$111.99
Bracket and Lever Kit APPLICATION: For GM 1962 to 1973 Powerglide without T.V. Hole.

Product Features:
  • Incl. Cable Bracket/Shift Lever/Spacers
  • Incl. Swivel/Cotter Pin/Nut/Bolt/Selector Shaft
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GMC K25/K2500 Pickup Transmission Parts Categories

Helping You Find the Right Transmission Parts for Your GMC K25/K2500 Pickup

You love your K25/K2500 Pickup. So we’ve made it easier than ever to help you find GMC K25/K2500 Pickup Transmission Parts in our online catalog. Our inventory holds 192 aftermarket and OEM Transmission Parts for your GMC K25/K2500 Pickup, ranging from $2.99 to $1,349.99.

We offer parts from 22 brands trusted to make quality Transmission Parts for your GMC K25/K2500 Pickup. Before you buy, take some time to read through customer reviews. We currently have 35,443 reviews of GMC K25/K2500 Pickup Transmission Parts from previous customers. Some of the top rated parts include Multi Purpose Seal with 4.4 stars and Automatic Transmission Vacuum Modulator with 4.6 stars.

Find your K25/K2500 Pickup Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC K25/K2500 Pickup part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Transmission Parts Brands for Your GMC K25/K2500 Pickup

Our inventory holds Transmission Parts for your GMC K25/K2500 Pickup from 22 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, National, and Pro-King, all of which can keep that GMC happy.

Top-Rated Imperial Transmission Parts

Leading Imperial Transmission Parts

We carry Imperial brand parts for your GMC K25/K2500 Pickup across several catalog categories, including Transmission Cooler and Parts. Some of our most reviewed Imperial parts include:
High Performance Transmission Oil Cooler
from $79.99
(48)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Maxi-Kool XL Transmission Oil Cooler
from $85.99
(31)
Maxi-Kool XL Transmission Oil Cooler
OE Transmission Coolers
Econo-Kool Transmission Oil Cooler
from $55.99
(30)
Econo-Kool Transmission Oil Cooler
OE Transmission Coolers

FAQs for GMC K25/K2500 Pickup Transmission Parts

What are the most purchased Transmission Parts for the GMC K25/K2500 Pickup?

Out of 192 Transmission Parts for the GMC K25/K2500 Pickup, the most popular in our inventory are:
Mounting Kit System
from $11.99
(27)
Mounting Kit System
Transmission Oil Cooler Lines
Multi-Purpose Bearing
from $35.99
(23)
Multi-Purpose Bearing
Auto Trans Differential Bearing and Race Set
Econo-Kool Transmission Oil Cooler
from $40.99
(10)
Econo-Kool Transmission Oil Cooler
OE Transmission Coolers

What are the top-rated GMC K25/K2500 Pickup Transmission Parts?

Top-rated Transmission Parts for your GMC K25/K2500 Pickup based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“Would have been fine most likely – if correct seal was in the box. For redoing a Front Crank Seal on a 4 cylinder 89 Ranger.”
Automatic Transmission Vacuum Modulator
from $21.99
(11)
Automatic Transmission Vacuum Modulator
“Great product”
Automatic Transmission Vacuum Modulator
from $33.99
(11)
Automatic Transmission Vacuum Modulator
“I have a 1988 Buick Reatta that recently begun to fail to shift. After trying things such as changing the filter and fluid, we eventually were recomme”