1984 GMC C3500 Transmission Shift Kits

Your 1984 GMC C3500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Transmission Shift Kits you desperately need.

We currently carry 3 Transmission Shift Kits to choose from for your 1984 GMC C3500, and our inventory prices range from as little as $141.99 up to $189.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Transmission Shift Kits for the 1984 GMC C3500. We only sell parts from trusted brands like ATP so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Transmission Shift Kits stock in-person!

Transmission Shift Kits for Your 1984 GMC C3500

ATP – AT SHIFT KIT (Part No.SK-2)

AT SHIFT KIT

from

$189.99
AT SHIFT KIT

B & M – Transpak (Part No.30235)

Transpak

from

$152.99
Shift Improver Kits – Buick, Chevrolet, GMC, Olds, Pontiac – 1968 to 1981 TH-350 and M38 Application: 1968 to 1981 TH-350 and M38 (for TH-350C use Transpak # 30235) Recalibrate your automatic transmission for optimum performance and extended life! Provides crisp shifts on any stock automatic transmissions. Elimination of soft sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage. Improves transmission life. Transmission removal not required. The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission – and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmissions! Stage 1 – Heavy Duty Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. Stage 2 – Street/Strip Provides very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.

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
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B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)

Transpak For 65-87 TH400 Transmission

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:
  • 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
See More

FAQs for 1984 GMC C3500 Transmission Shift Kits

What are the most popular Transmission Shift Kits for the 1984 GMC C3500?

With 2 brands you can trust, our most popular Transmission Shift Kits for the 1984 GMC C3500 parts are:
AT SHIFT KIT
from $189.99
This product is not rated
AT SHIFT KIT
Transmission Shift Kits
Transpak For 65-87 TH400 Transmission
from $141.99
This product is not rated
Transpak For 65-87 TH400 Transmission
Transmission Shift Kits
Transpak
from $152.99
This product is not rated
Transpak
Transmission Shift Kits