GMC C25 Transmission Parts

Essential GMC C25 Transmission Parts

National – Bearings (Part No.305)

Bearings

from

$40.99
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
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FAG US – Cup (Part No.382A)

Cup

from

$20.79
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Dorman – Help – Shifter Link Bushing (Part No.02373)

Shifter Link Bushing

from

$5.99
We offer a line of Auto Trans Shift Lever Control Rod Bushings for a range of applications. All our Auto Trans Shift Lever Control Rod Bushings are made of quality materials for a long service life.

Product Features:
  • Direct replacement – these replacement auto trans shift lever control rod bushings match the original equipment design on specified vehicles
  • Conveniently fix- simple solution to address worn bushings and restore original performance and feel
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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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

$299.99
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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FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

Bearing - TRB (Tapered Roller Bearing)

from

$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Hays – Converter: Th350 24-2800 Stall (Part No.97-1B24Q)

Converter: Th350 24-2800 Stall

from

$529.99
Converter: Th350 24-2800 Stall

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

Econo-Kool Transmission Oil Cooler

from

$40.99
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:
  • 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
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
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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 OIL PUMP GASKET (Part No.SG-27)

AT OIL PUMP GASKET

from

$10.99
AT OIL PUMP GASKET

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Automatic Transmission Vacuum Modulator

from

$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
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ATP – AT SPEED PINION SEAL (Part No.SO-34)

AT SPEED PINION SEAL

from

$9.99
AT SPEED PINION SEAL

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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Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18621)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

from

$9.99
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
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National – Multi-Purpose Bearing (Part No.207-L)

Multi-Purpose Bearing

from

$33.99
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • 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 – Transmission Kit, Master Overhaul Kit For TH400 (Part No.21041)

Transmission Kit, Master Overhaul Kit For TH400

from

$449.99
These kits include all of the necessary components to rebuild your automatic transmission. OEM style gaskets included. Kits do not include overhaul instructions – please refer to factory shop manual for proper assembly procedures.

Product Features:
  • Complete High Perf. Or Racing Trans. Overhaul
  • Includes Only OEM Valvebody Gaskets
  • Instructions Not Included
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National – Multi-Purpose Seal (Part No.5208)

Multi-Purpose Seal

from

$20.49
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: -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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Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$7.99
Product Features:
  • Brand may vary by location
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B & M – Cable Bracket (Part No.30499)

Cable Bracket

from

$33.99
Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:
  • Shifter Service Parts
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National – Multi-Purpose Seal (Part No.5200)

Multi-Purpose Seal

from

$12.99
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: -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 – Aluminum Braided Dip Stick, Fits TH-350 Transmission (Part No.22165)

Aluminum Braided Dip Stick, Fits TH-350 Transmission

from

$124.99
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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B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$97.99
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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Felpro – Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket (Part No.TOS 18633)

Transmission Oil Pan Gasket 13 Bolt Hole One Piece Gasket

from

$9.49
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
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ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)

ATP Automatic Transmission Detent Cable

from

$22.99
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
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Felpro – Manual Transmission Gasket Set (Part No.TS 80161)

Manual Transmission Gasket Set

from

$29.99
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:
  • 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
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Felpro – Manual Transmission Gasket Set (Part No.TS 30118)

Manual Transmission Gasket Set

from

$24.99
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:
  • 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
See More

GMC C25 Transmission Parts Categories

Helping You Find the Right Transmission Parts for Your GMC C25

You love your C25. So we’ve made it easier than ever to help you find GMC C25 Transmission Parts in our online catalog. Our inventory holds 150 aftermarket and OEM Transmission Parts for your GMC C25, ranging from $2.99 to $1,299.99.

We offer parts from 19 brands trusted to make quality Transmission Parts for your GMC C25. Before you buy, take some time to read through customer reviews. We currently have 6,123 reviews of GMC C25 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 C25 Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC C25 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 C25

Our inventory holds Transmission Parts for your GMC C25 from 19 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, National, and ATP, all of which can keep that GMC happy.
We have Dorman – Help parts available for your GMC C25 in categories like Gear Shifters and Cables. Some of the top-rated Dorman – Help parts in these categories are:
Shifter Link Bushing
from $5.99
(1)
Shifter Link Bushing
Gear Shift Rod Bushings

Top-Rated Imperial Transmission Parts

Leading Imperial Transmission Parts

We carry Imperial brand parts for your GMC C25 across several catalog categories, including Transmission Cooler and Parts. Some of our most reviewed Imperial parts include:
High Performance Transmission Oil Cooler
from $83.99
(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 C25 Transmission Parts

What are the most purchased Transmission Parts for the GMC C25?

Out of 150 Transmission Parts for the GMC C25, the most popular in our inventory are:
Econo-Kool Transmission Oil Cooler
from $40.99
(10)
Econo-Kool Transmission Oil Cooler
OE Transmission Coolers
Multi-Purpose Seal
from $7.99
(8)
Multi-Purpose Seal
Manual Transmission Output Shaft Seals

What are the top-rated GMC C25 Transmission Parts?

Top-rated Transmission Parts for your GMC C25 based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“Happy”
Automatic Transmission Vacuum Modulator
from $34.49
(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”