1974 GMC K25/K2500 Pickup Automatic Transmission Kits
Keep Your 1974 GMC K25/K2500 Pickup in Top Shape with Quality Automatic Transmission Kits
Whether you’re repairing or upgrading your Automatic Transmission Kit, using high-quality parts is key to keeping your 1974 GMC K25/K2500 Pickup looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Master Repair Kits, Transmission Rebuild Kits, and Transmission Shift Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Automatic Transmission Kits from Trusted Brands
Looking for a reliable Automatic Transmission Kit? We’ve got you covered with options from brands you know and trust like Pro-King. For example, Pro-King Automatic Transmission Kits start at just $222.99 with an average 4.1 star rating. With over 34 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K25/K2500 Pickup owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1974 GMC K25/K2500 Pickup Automatic Transmission Kit at Advance Auto Parts is around $152.88, with a range that starts at $48.99 and goes up to $368.99. With 19 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Basic Rebuild Kit, Automatic Transmission Basic Rebuild Kit, and AT MASTER REPAIR KIT start at just $84.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Automatic Transmission Kit, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1974 GMC K25/K2500 Pickup in peak condition, inside and out.
Find Your Specific 1974 GMC K25/K2500 Pickup Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1974 GMC K25/K2500 Pickup? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Kits that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Kits, ensuring durability and a precise fit for your GMC K25/K2500 Pickup. Whether you’re driving a 1974 model or another popular model year like
1967,
1968,
1969,
1970,
1971,
1972, and
1973, we’ve got you covered. Purchasing Automatic Transmission Kits from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Automatic Transmission Kits that fit your vehicle.
Essential 1974 GMC K25/K2500 Pickup Automatic Transmission Kits
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)
from
$84.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Does not include steels or filter
ATP – AT MASTER REPAIR KIT (Part No.SM-9)
from
$259.99
AT MASTER REPAIR KIT
ATP – AT MASTER REPAIR KIT (Part No.CM-11)
from
$245.99
AT MASTER REPAIR KIT
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)
from
$141.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Does not include steels or filter
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-17)
from
$232.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)
from
$222.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)
from
$368.99
AT MSTR REP KIT PLUS
ATP – AT MASTER REPAIR KIT (Part No.JM-9)
from
$253.99
AT MASTER REPAIR KIT
B & M – Shift Improver Kit For 65-87 TH400 Transmission (Part No.20260)
from
$62.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)
from
$141.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
- Downshift At Any Speed
- Great For Trailer Towing
- For Heavy Loads Driving Downhill
B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)
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:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$76.99
AT OVERHAUL KIT
ATP – AT BANNER KIT (Part No.JM-10)
from
$168.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.CGS-17)
from
$97.99
AT OVERHAUL KIT
ATP – AT OVERHAUL KIT (Part No.SGS-28)
from
$96.99
AT OVERHAUL KIT
ATP – AT OVERHAUL KIT (Part No.SGS-27)
from
$83.99
AT OVERHAUL KIT
ATP – AT BANNER KIT (Part No.SM-11)
from
$193.99
AT BANNER KIT
Popular 1974 GMC K25/K2500 Pickup Automatic Transmission Kits Categories
Most Popular Transmission Master Repair Kits for 1974 GMC K25/K2500 Pickups
Enhance your 1974 GMC K25/K2500 Pickup with one of the 7 Transmission Master Repair Kits we have in stock, starting at just $84.99.
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-17)
from
$232.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)
from
$222.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)
from
$84.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Does not include steels or filter
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)
from
$141.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.
Product Features:
See More
Product Features:
- Does not include steels or filter
ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)
from
$368.99
AT MSTR REP KIT PLUS
ATP – AT MASTER REPAIR KIT (Part No.JM-9)
from
$253.99
AT MASTER REPAIR KIT
ATP – AT MASTER REPAIR KIT (Part No.SM-9)
from
$259.99
AT MASTER REPAIR KIT
Best-Selling 1974 GMC K25/K2500 Pickup Transmission Rebuild Kits
Upgrade your K25/K2500 Pickup with one of our 9 best-selling Transmission Rebuild Kits.
USA Standard Gear – ManTransBrg-SealKit (Part No.72334)
from
$123.99
ManTransBrg-SealKit
ATP – AT BANNER KIT (Part No.JM-10)
from
$168.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.JGS-52)
from
$76.99
AT OVERHAUL KIT
USA Standard Gear – ManTransBrg-SealKit (Part No.78113)
from
$198.99
ManTransBrg-SealKit
ATP – AT BANNER KIT (Part No.SM-11)
from
$193.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.SGS-28)
from
$96.99
AT OVERHAUL KIT
USA Standard Gear – ManTransBrg-SealKit (Part No.76455)
from
$92.99
ManTransBrg-SealKit
ATP – AT OVERHAUL KIT (Part No.SGS-27)
from
$83.99
AT OVERHAUL KIT
USA Standard Gear – ManTransSmallPartKit (Part No.79024)
from
$48.99
ManTransSmallPartKit
Top-Quality Transmission Shift Kits for 1974 GMC K25/K2500 Pickups
Choose a high-quality OEM or aftermarket Transmission Shift Kit for GMC K25/K2500 Pickups and enjoy top-notch performance from $62.99.
B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)
from
$141.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
- Downshift At Any Speed
- Great For Trailer Towing
- For Heavy Loads Driving Downhill
B & M – Shift Improver Kit For 65-87 TH400 Transmission (Part No.20260)
from
$62.99
The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
B & M – Shift Improver Kit For 68-81 TH-350 Transmission (Part No.30262)
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:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
Top-Rated Automatic Transmission Kit Brands For Your 1974 GMC K25/K2500 Pickup
When it comes to finding the perfect Automatic Transmission Kit for your 1974 GMC K25/K2500 Pickup, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Automatic Transmission Kit brands including Pro-King, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $222.99. Purchasing a Automatic Transmission Kit from us here at Advance Auto Parts is a smart move for both you and your 1974 GMC K25/K2500 Pickup, providing peace of mind with parts that meet or exceed OEM standards.
Popular Pro-King 1974 GMC K25/K2500 Pickup Automatic Transmission Kits
If you’re looking for a top-quality Automatic Transmission Kit for your 1974 GMC K25/K2500 Pickup, Advance Auto Parts has exactly what you need with our selection of Pro-King Automatic Transmission Kits. We have 2 Pro-King Automatic Transmission Kits in stock for this fitment, all known for their durability and precision fit. With prices starting at just $222.99 and an average cost of $227.99, you’ll find the perfect Automatic Transmission Kit for your needs and budget. Pro-King Automatic Transmission Kits for the 1974 GMC K25/K2500 Pickup come highly rated, with over 3 customer reviews and an impressive average rating of 4.1 stars. Choosing a Pro-King Automatic Transmission Kit from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$222.99
(1)
Automatic Transmission Deluxe Rebuild Kit
“everyone should know a little about there car or truck”
from
$232.99
(2)
Automatic Transmission Deluxe Rebuild Kit
“Great kit except that it didn’t include all of the bushings. Also wish that it included the thrust washers (it didn’t day that it did) but anyone reb”
FAQs for 1974 GMC K25/K2500 Pickup Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1974 GMC K25/K2500 Pickups?
Out of 19 Automatic Transmission Kits that fit 1974 GMC K25/K2500 Pickups, the following parts are the top sellers:
- Automatic Transmission Basic Rebuild Kit (10254274) – $84.99
- Automatic Transmission Basic Rebuild Kit (10254196) – $141.99
- AT MASTER REPAIR KIT (11238799) – $253.99
What’s the price range for 1974 GMC K25/K2500 Pickup Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1974 GMC K25/K2500 Pickup range from $48.99 up to $368.99 for the most premium parts.
What is the average price of an Automatic Transmission Kits Automatic Transmission Kit for a 1974 GMC K25/K2500 Pickup?
The average price for Automatic Transmission Kits for the 1974 GMC K25/K2500 Pickup is $152.88. Keep in mind the variety of part types within our Automatic Transmission Kit category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Automatic Transmission Kits for other GMC K25/K2500 Pickup model years?
What are the cheapest Automatic Transmission Kits for my 1974 GMC K25/K2500 Pickup?
The cheapest 1974 GMC K25/K2500 Pickup Automatic Transmission Kits we carry are:
- ManTransSmallPartKit (12009171) – $48.99
- Shift Improver Kit For 65-87 TH400 Transmission (6121209) – $62.99
- Shift Improver Kit For 68-81 TH-350 Transmission (6280919) – $62.99
- AT OVERHAUL KIT (11238741) – $76.99
- AT OVERHAUL KIT (11238824) – $83.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1974 GMC models?
Yes. We stock Automatic Transmission Kits for 16 other popular 1974 GMC models. Some of the most popular are 1974 Jimmy Automatic Transmission Kits, 1974 G25/G2500 Van Automatic Transmission Kits, 1974 C15/C1500 Pickup Automatic Transmission Kits, 1974 C15/C1500 Suburban Automatic Transmission Kits, and 1974 K15/K1500 Pickup Automatic Transmission Kits.
What are the top-rated Automatic Transmission Kits that fit the 1974 GMC K25/K2500 Pickup?
The one 1974 GMC K25/K2500 Pickup Automatic Transmission Kit we have in stock is the ManTransSmallPartKit. It costs $48.99.
What types of Automatic Transmission Kits do you sell for my 1974 GMC K25/K2500 Pickup?
As of 4/10/25, these are some of the most in-demand types of Automatic Transmission Kits for a 1974 GMC K25/K2500 Pickup:
Can I get help with 1974 GMC K25/K2500 Pickup Automatic Transmission Kit orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Automatic Transmission Kits and more.
What is your return policy for GMC K25/K2500 Pickup Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new GMC K25/K2500 Pickup Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.