1999 GMC K2500 Automatic Transmission Kits
Keep Your 1999 GMC K2500 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 1999 GMC K2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Shift Kits, Transmission Rebuild Kits, and Automatic Transmission Oil Pump Seal Kit. 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 B & M. For example, B & M Automatic Transmission Kits start at just $105.99 with an average 4.1 star rating. With over 6 reviews and a solid 3 star average, you can shop with confidence knowing other GMC K2500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1999 GMC K2500 Automatic Transmission Kit at Advance Auto Parts is around $291.12, with a range that starts at $15.99 and goes up to $561.99. With 8 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Basic Rebuild Kit, AT MSTR REP KIT PLUS, and Automatic Transmission Deluxe Rebuild Kit start at just $197.99 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 1999 GMC K2500 in peak condition, inside and out.
Find Your Specific 1999 GMC K2500 Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1999 GMC K2500? 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 K2500. Whether you’re driving a 1999 model or another popular model year like
1990,
1991,
1992,
1993,
1994,
1995,
1996,
1997, and
1998, 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 1999 GMC K2500 Automatic Transmission Kits
B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)
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$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:
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Product Features:
- Adjust Shift Points Of Transmission
- Useful For Light Vehicles
- For Low Rear End Gear Ratio
- Or Useful If It Is Conversion
B & M – Shift Improver Kit (Part No.20261)
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$83.99
Shift Improver Kit 1988 to 1994 Chevrolet, Buick, Olds, Pontiac, GMC TH-400 (3L80) Application: 1988 to 1994 Chevrolet, Buick, Olds, Pontiac, GMC TH-400 (3L80) Recalibrate your automatic transmission for optimum performance and extended life! Select the m
Product Features:
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Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
B & M – Shift Improver Kit, 82-93 TH700R4 (Part No.70239)
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$86.99
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:
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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 – ShiftPlus, 4L60E and 4L80E (Part No.70380)
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$105.99
The B&M Shift Plus, recalibrates your transmission’s hydraulic system electronically which firms up the shifts and reduces heat and slippage. A simple flip of the switch allows you to choose which shift firmness setting you want to run.
Product Features:
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Product Features:
- Installs In Minutes
- Reduces Slippage and Heat
- 50 State Emissions Legal
- Recalibrates Hydraulic System
- Recalibrates Electronically
- Fun and Pleasurable Drive
- Extends Transmission Life
- Simple Flip Of Switch
B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)
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$166.99
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:
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Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
B & M – Transmission Kit, Transkit 68-81 TH-350 Transmission (Part No.30229)
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$459.99
B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They also include special directions on how to modify your case, pump, and components.
Product Features:
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Product Features:
- High Perf. Friction Materials
- Complete Overhaul Gasket Set
- Modification Components
- Replacement Valves
- Replacement Springs
ATP – AT SHIFT KIT (Part No.JK-1)
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$80.99
AT SHIFT KIT
ATP – AT BANNER KIT (Part No.JM-10)
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$179.99
AT BANNER KIT
ATP – AT BANNER KIT (Part No.SM-11)
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$206.99
AT BANNER KIT
B & M – Transmission Kit, Master Overhaul Kit For TH400 (Part No.21041)
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$459.99
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.
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Product Features:
- Complete High Perf. Or Racing Trans. Overhaul
- Includes Only OEM Valvebody Gaskets
- Instructions Not Included
ATP – AUTOMATIC TRANS PART (Part No.CGS-32)
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$116.99
AUTOMATIC TRANS PART
ATP – AT OVERHAUL KIT (Part No.JGS-52)
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$81.99
AT OVERHAUL KIT
ATP – AT BANNER KIT (Part No.CM-26)
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$221.99
AT BANNER KIT
ATP – AT OVERHAUL KIT (Part No.SGS-27)
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$89.99
AT OVERHAUL KIT
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-830)
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$197.99
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:
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Product Features:
- Meets or exceeds OE specifications
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-108)
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$374.99
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:
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Product Features:
- Meets or exceeds OE specifications
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)
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$78.99
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:
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Product Features:
- Meets or exceeds OE specifications
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-144)
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$283.99
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:
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Product Features:
- Meets or exceeds OE specifications
- Includes Band and Modulator (if applicable)
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-12)
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$227.99
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:
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Product Features:
- Include steels, frictions, gaskets, and filter
- Includes Band and Modulator (if applicable)
ATP – AT MASTER REPAIR KIT (Part No.CM-40)
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$448.99
AT MASTER REPAIR KIT
ATP – AT MASTER REPAIR KIT (Part No.CM-22)
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$233.99
AT MASTER REPAIR KIT
Schaeffler – Shaft Seal (Part No.SS2803)
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$15.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
Product Features:
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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
Popular 1999 GMC K2500 Automatic Transmission Kits Categories
Most Popular Transmission Shift Kit for 1999 GMC K2500s
Enhance your 1999 GMC K2500 with this popular Transmission Shift Kit we have in stock, for $105.99.
B & M – ShiftPlus, 4L60E and 4L80E (Part No.70380)
from
$105.99
The B&M Shift Plus, recalibrates your transmission’s hydraulic system electronically which firms up the shifts and reduces heat and slippage. A simple flip of the switch allows you to choose which shift firmness setting you want to run.
Product Features:
See More
Product Features:
- Installs In Minutes
- Reduces Slippage and Heat
- 50 State Emissions Legal
- Recalibrates Hydraulic System
- Recalibrates Electronically
- Fun and Pleasurable Drive
- Extends Transmission Life
- Simple Flip Of Switch
Best-Selling 1999 GMC K2500 Transmission Rebuild Kits
Upgrade your K2500 with one of our 2 best-selling Transmission Rebuild Kits.
USA Standard Gear – ManTransBrg-SealKit (Part No.73092)
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$369.99
ManTransBrg-SealKit
USA Standard Gear – ManTransBrg-SealKit (Part No.79311)
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$161.99
ManTransBrg-SealKit
Top-Quality Automatic Transmission Oil Pump Seal Kit for 1999 GMC K2500s
Choose a high-quality OEM or aftermarket Automatic Transmission Oil Pump Seal Kit for GMC K2500s and enjoy top-notch performance from $15.99.
Schaeffler – Shaft Seal (Part No.SS2803)
from
$15.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
Product Features:
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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
Top Picks for 1999 GMC K2500 Transmission Master Repair Kits
Invest in one of our 4 durable Transmission Master Repair Kits for your 1999 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-108)
from
$374.99
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:
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Product Features:
- Meets or exceeds OE specifications
- Includes Band and Modulator (if applicable)
ATP – AT MSTR REP KIT PLUS (Part No.JMS-25)
from
$561.99
AT MSTR REP KIT PLUS
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-830)
from
$197.99
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:
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Product Features:
- Meets or exceeds OE specifications
ATP – AT MASTER REPAIR KIT (Part No.JM-28)
from
$539.99
AT MASTER REPAIR KIT
Top-Rated Automatic Transmission Kit Brands For Your 1999 GMC K2500
When it comes to finding the perfect Automatic Transmission Kit for your 1999 GMC K2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Automatic Transmission Kit brands including B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $105.99. Purchasing a Automatic Transmission Kit from us here at Advance Auto Parts is a smart move for both you and your 1999 GMC K2500, providing peace of mind with parts that meet or exceed OEM standards.
Popular B & M 1999 GMC K2500 Automatic Transmission Kits
If you’re looking for a top-quality Automatic Transmission Kit for your 1999 GMC K2500, Advance Auto Parts has exactly what you need with our selection of B & M Automatic Transmission Kits. We have 1 B & M Automatic Transmission Kits in stock for this fitment, all known for their durability and precision fit. With prices starting at just $105.99, you’ll find the perfect Automatic Transmission Kit for your needs and budget. B & M Automatic Transmission Kits for the 1999 GMC K2500 come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a B & M Automatic Transmission Kit from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$105.99
(1)
ShiftPlus, 4L60E and 4L80E
“the kit is amazing its a cheap and simple way to increase the shifting ability and performance of a stock transmission, a simple 2 wire install and u ”
FAQs for 1999 GMC K2500 Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1999 GMC K2500s?
Out of 8 Automatic Transmission Kits that fit 1999 GMC K2500s, the following parts are the top sellers:
- Automatic Transmission Basic Rebuild Kit (10254199) – $197.99
- AT MSTR REP KIT PLUS (11238823) – $561.99
- Automatic Transmission Deluxe Rebuild Kit (20150799) – $374.99
What’s the price range for 1999 GMC K2500 Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1999 GMC K2500 range from $15.99 up to $561.99 for the most premium parts.
What is the average price of an Automatic Transmission Kit for a 1999 GMC K2500?
The average price for Automatic Transmission Kits for the 1999 GMC K2500 is $291.12. 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 K2500 model years?
What are the cheapest Automatic Transmission Kits for my 1999 GMC K2500?
The cheapest 1999 GMC K2500 Automatic Transmission Kits we carry are:
- Shaft Seal (50206065) – $15.99
- ShiftPlus, 4L60E and 4L80E (6121144) – $105.99
- ManTransBrg-SealKit (12009142) – $161.99
- Automatic Transmission Basic Rebuild Kit (10254199) – $197.99
- ManTransBrg-SealKit (12009545) – $369.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1999 GMC models?
Yes. We stock Automatic Transmission Kits for 15 other popular 1999 GMC models. Some of the most popular are 1999 Yukon Automatic Transmission Kits, 1999 Sierra 1500 Automatic Transmission Kits, 1999 Savana 1500 Automatic Transmission Kits, 1999 Savana 2500 Automatic Transmission Kits, and 1999 Jimmy Automatic Transmission Kits.
What are the top-rated Automatic Transmission Kits that fit the 1999 GMC K2500?
Based on 6 reviews by customers, our 1999 GMC K2500 Automatic Transmission Kits have an average customer rating of 3 stars. These are the highest-rated categories of Automatic Transmission Kits for the 1999 GMC K2500 and their top-rated products:
- Transmission Shift Kits
- ShiftPlus, 4L60E and 4L80E (6121144) – $105.99
- Transmission Master Repair Kits
- Automatic Transmission Deluxe Rebuild Kit (20150799) – $374.99
What types of Automatic Transmission Kits do you sell for my 1999 GMC K2500?
As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Kits for a 1999 GMC K2500:
Can I get help with 1999 GMC K2500 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 K2500 Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new GMC K2500 Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.