GMC C15 Automatic Transmission Kits

Your One-Stop Shop For Trusted GMC C15 Automatic Transmission Kits

If you’re in search of GMC C15 Automatic Transmission Kits aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 18 Automatic Transmission Kits from top brands with prices ranging from $43.99 to $368.99.

Beyond great prices, we stock trusted brands manufacturing all types of Automatic Transmission Kits for your GMC C15. Of the 4 OEM and aftermarket parts brands we carry, some of the most popular are Pro-King, ATP, and USA Standard Gear.

And don’t forget to read customer reviews across all Automatic Transmission Kits categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Automatic Transmission Kits have to cost top dollar, and we prove it. Browse our top GMC C15 Automatic Transmission Kits below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC C15 Automatic Transmission Kits

ATP – AT BANNER KIT (Part No.SM-11)

AT BANNER KIT

from

$193.99
AT BANNER KIT

ATP – AT BANNER KIT (Part No.JM-10)

AT BANNER KIT

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$168.99
AT BANNER KIT

ATP – AT OVERHAUL KIT (Part No.JGS-52)

AT OVERHAUL KIT

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$76.99
AT OVERHAUL KIT

ATP – AT OVERHAUL KIT (Part No.JGS-53)

AT OVERHAUL KIT

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$79.99
AT OVERHAUL KIT

ATP – AT OVERHAUL KIT (Part No.SGS-28)

AT OVERHAUL KIT

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$96.99
AT OVERHAUL KIT

ATP – AT OVERHAUL KIT (Part No.SGS-27)

AT OVERHAUL KIT

from

$83.99
AT OVERHAUL KIT

B & M – Shift Improver Kit For 65-87 TH400 Transmission (Part No.20260)

Shift Improver Kit For 65-87 TH400 Transmission

from

$60.99
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:
  • 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
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ATP – AT SHIFT KIT (Part No.JK-1)

AT SHIFT KIT

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$75.99
AT SHIFT KIT

B & M – Transpak For 68-81 TH 350 Transmission (Part No.30228)

Transpak For 68-81 TH 350 Transmission

from

$128.99
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:
  • Recalibrate Auto. Transmission
  • Optimum Performance
  • Select Your App. Mode
  • Improves Transmission Life
  • Trans. Removal Not Required
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Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-15)

Automatic Transmission Deluxe Rebuild Kit

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:
  • Include steels, frictions, gaskets, and filter
  • Includes Band and Modulator (if applicable)
See More

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-838)

Automatic Transmission Basic Rebuild Kit

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:
  • Does not include steels or filter
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ATP – AT MASTER REPAIR KIT (Part No.SM-9)

AT MASTER REPAIR KIT

from

$259.99
AT MASTER REPAIR KIT

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)

Automatic Transmission Basic Rebuild Kit

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:
  • Does not include steels or filter
See More

ATP – AT MASTER REPAIR KIT (Part No.JM-9)

AT MASTER REPAIR KIT

from

$253.99
AT MASTER REPAIR KIT

Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-17)

Automatic Transmission Deluxe Rebuild Kit

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:
  • Include steels, frictions, gaskets, and filter
  • Includes Band and Modulator (if applicable)
See More

ATP – AT MSTR REP KIT PLUS (Part No.JMS-9)

AT MSTR REP KIT PLUS

from

$368.99
AT MSTR REP KIT PLUS

Automatic Transmission Kits Brands You Can Trust For Your GMC C15

4 trusted brands of Automatic Transmission Kits line our shelves, ready to help keep your GMC C15 running smooth. Below are some of the most popular brands and their top Automatic Transmission Kits offerings:

Most Purchased GMC C15 Automatic Transmission Kits from Pro-King

When you buy the most frequently purchased Pro-King brand Automatic Transmission Kits, you can be confident it will be the right part for your GMC C15. Here are the Pro-King Automatic Transmission Kits Advanced Auto customers buy the most:
Automatic Transmission Deluxe Rebuild Kit
from $232.99
(2)
Automatic Transmission Deluxe Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Deluxe Rebuild Kit
from $222.99
(1)
Automatic Transmission Deluxe Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Basic Rebuild Kit
from $141.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits

FAQs for GMC C15 Automatic Transmission Kits

What are the most purchased Automatic Transmission Kits for the GMC C15?

Out of 18 Automatic Transmission Kits for the GMC C15, the most popular in our inventory are:
Automatic Transmission Basic Rebuild Kit
from $84.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits
Automatic Transmission Basic Rebuild Kit
from $141.99
This product is not rated
Automatic Transmission Basic Rebuild Kit
Transmission Master Repair Kits
AT OVERHAUL KIT
from $79.99
This product is not rated
AT OVERHAUL KIT
Transmission Rebuild Kits