1985 GMC S15 Automatic Transmission Kits
Keep Your 1985 GMC S15 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 1985 GMC S15 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 B & M. For example, B & M Automatic Transmission Kits start at just $85.99 with an average 4.1 star rating. With over 16 reviews and a solid 4 star average, you can shop with confidence knowing other GMC S15 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1985 GMC S15 Automatic Transmission Kit at Advance Auto Parts is around $189.32, with a range that starts at $85.99 and goes up to $258.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Deluxe Rebuild Kit, ManTransBrg-SealKit, and AT BANNER KIT start at just $173.99 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 1985 GMC S15 in peak condition, inside and out.
Find Your Specific 1985 GMC S15 Automatic Transmission Kits
Looking for the perfect Automatic Transmission Kit for your 1985 GMC S15? 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 S15. Whether you’re driving a 1985 model or another popular model year like
1982,
1983,
1984,
1986,
1987,
1988,
1989, and
1990, 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 1985 GMC S15 Automatic Transmission Kits
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-40)
from
$271.99
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-12)
from
$254.99
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.CMS-20)
from
$256.99
AT MSTR REP KIT PLUS
Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-862)
from
$118.99
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-864)
from
$131.99
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.CM-22)
from
$218.99
AT MASTER REPAIR KIT
ATP – AUTOMATIC TRANS PART (Part No.CMS-23)
from
$352.99
AUTOMATIC TRANS PART
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-39)
from
$258.99
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 SHIFT KIT (Part No.SK-2)
from
$189.99
AT SHIFT KIT
B & M – Shift Improver Kit, 82-93 TH700R4 (Part No.70239)
from
$85.99
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
ATP – AT BANNER KIT (Part No.CM-26)
from
$207.99
AT BANNER KIT
Popular 1985 GMC S15 Automatic Transmission Kits Categories
Most Popular Transmission Master Repair Kits for 1985 GMC S15s
Enhance your 1985 GMC S15 with one of the 2 Transmission Master Repair Kits we have in stock, starting at just $218.99.
Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-39)
from
$258.99
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 MASTER REPAIR KIT (Part No.CM-22)
from
$218.99
AT MASTER REPAIR KIT
Best-Selling 1985 GMC S15 Transmission Rebuild Kits
Upgrade your S15 with one of our 2 best-selling Transmission Rebuild Kits.
ATP – AT BANNER KIT (Part No.CM-26)
from
$207.99
AT BANNER KIT
USA Standard Gear – ManTransBrg-SealKit (Part No.78581)
from
$173.99
ManTransBrg-SealKit
Top-Quality Transmission Shift Kits for 1985 GMC S15s
Choose a high-quality OEM or aftermarket Transmission Shift Kit for GMC S15s and enjoy top-notch performance from $85.99.
B & M – Shift Improver Kit, 82-93 TH700R4 (Part No.70239)
from
$85.99
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
ATP – AT SHIFT KIT (Part No.SK-2)
from
$189.99
AT SHIFT KIT
Top-Rated Automatic Transmission Kit Brands For Your 1985 GMC S15
When it comes to finding the perfect Automatic Transmission Kit for your 1985 GMC S15, 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 B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $85.99. Purchasing a Automatic Transmission Kit from us here at Advance Auto Parts is a smart move for both you and your 1985 GMC S15, providing peace of mind with parts that meet or exceed OEM standards.
Popular B & M 1985 GMC S15 Automatic Transmission Kits
If you’re looking for a top-quality Automatic Transmission Kit for your 1985 GMC S15, 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 $85.99, you’ll find the perfect Automatic Transmission Kit for your needs and budget. B & M Automatic Transmission Kits for the 1985 GMC S15 come highly rated, with over 3 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
$85.99
(3)
Shift Improver Kit, 82-93 TH700R4
“I put the stage 1 towing kit in my 700r4 in my Cadillac. It feels great. The job wasn’t too hard but not too easy. Having a 3rd or 4th hand may prove ”
FAQs for 1985 GMC S15 Automatic Transmission Kits
What are the best-selling Automatic Transmission Kits for 1985 GMC S15s?
Out of 6 Automatic Transmission Kits that fit 1985 GMC S15s, the following parts are the top sellers:
- Automatic Transmission Deluxe Rebuild Kit (3571262) – $258.99
- ManTransBrg-SealKit (12009239) – $173.99
- AT BANNER KIT (11239184) – $207.99
What’s the price range for 1985 GMC S15 Automatic Transmission Kits?
The prices of Automatic Transmission Kits for the 1985 GMC S15 range from $85.99 up to $258.99 for the most premium parts.
What is the average price of an Automatic Transmission Kit for a 1985 GMC S15?
The average price for Automatic Transmission Kits for the 1985 GMC S15 is $189.32. 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 S15 model years?
What are the cheapest Automatic Transmission Kits for my 1985 GMC S15?
The cheapest 1985 GMC S15 Automatic Transmission Kits we carry are:
- Shift Improver Kit, 82-93 TH700R4 (6121292) – $85.99
- ManTransBrg-SealKit (12009239) – $173.99
- AT SHIFT KIT (11239161) – $189.99
- AT BANNER KIT (11239184) – $207.99
- AT MASTER REPAIR KIT (11238734) – $218.99
Does Advance Auto Parts sell Automatic Transmission Kits for any other 1985 GMC models?
Yes. We stock Automatic Transmission Kits for 14 other popular 1985 GMC models. Some of the most popular are 1985 Jimmy Automatic Transmission Kits, 1985 K2500 Automatic Transmission Kits, 1985 C2500 Automatic Transmission Kits, 1985 K1500 Automatic Transmission Kits, and 1985 C1500 Automatic Transmission Kits.
What are the top-rated Automatic Transmission Kits that fit the 1985 GMC S15?
Based on 16 reviews by customers, our 1985 GMC S15 Automatic Transmission Kits have an average customer rating of 4 stars. These are the highest-rated categories of Automatic Transmission Kits for the 1985 GMC S15 and their top-rated products:
- Transmission Master Repair Kits
- Automatic Transmission Deluxe Rebuild Kit (3571262) – $258.99
- Transmission Shift Kits
- Shift Improver Kit, 82-93 TH700R4 (6121292) – $85.99
What types of Automatic Transmission Kits do you sell for my 1985 GMC S15?
As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Kits for a 1985 GMC S15:
Can I get help with 1985 GMC S15 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 S15 Automatic Transmission Kits?
Advance Auto Parts keeps returns simple. For new GMC S15 Automatic Transmission Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.