1966 GMC I2500 Automatic Transmission Parts
Keep Your 1966 GMC I2500 in Top Shape with Quality Automatic Transmission Parts
Whether you’re repairing or upgrading your Automatic Transmission Part, using high-quality parts is key to keeping your 1966 GMC I2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Shift Cover Plates and Transmission Modulator Valves. 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.
Competitive Prices and Extensive Inventory
The average price for a 1966 GMC I2500 Automatic Transmission Part at Advance Auto Parts is around $89.99, with a range that starts at $39.99 and goes up to $139.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Shifter Accessory, Pro Stick Aluminum Cover and Automatic Transmission Modulator Valve start at just $39.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Automatic Transmission Part, 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 1966 GMC I2500 in peak condition, inside and out.
Find Your Specific 1966 GMC I2500 Automatic Transmission Parts
Looking for the perfect Automatic Transmission Part for your 1966 GMC I2500? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Parts, ensuring durability and a precise fit for your GMC I2500. Whether you’re driving a 1966 model or another popular model year like
1965, we’ve got you covered. Purchasing Automatic Transmission Parts 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 Parts that fit your vehicle.
Essential 1966 GMC I2500 Automatic Transmission Parts
Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1033)
from
$39.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
Product Features:
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Product Features:
- Application matched component ensures the transmission gear position system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- This part will look and function just like the original unit being replaced.
B & M – Shifter Accessory, Pro Stick Aluminum Cover (Part No.80717)
from
$139.99
Replacement aluminum cover for your B&M Pro Stick.
Product Features:
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Product Features:
- Pro Stick; Brushed Aluminum Cover
- Aluminum Cover
- Replacement Part
- Sold individually
- B&M quality
Popular 1966 GMC I2500 Automatic Transmission Parts Categories
Most Popular Automatic Transmission Shift Cover Plate for 1966 GMC I2500s
Enhance your 1966 GMC I2500 with this popular Automatic Transmission Shift Cover Plate we have in stock, for $139.99.
B & M – Shifter Accessory, Pro Stick Aluminum Cover (Part No.80717)
from
$139.99
Replacement aluminum cover for your B&M Pro Stick.
Product Features:
See More
Product Features:
- Pro Stick; Brushed Aluminum Cover
- Aluminum Cover
- Replacement Part
- Sold individually
- B&M quality
Best-Selling 1966 GMC I2500 Transmission Modulator Valve
Upgrade your I2500 with our best-selling Transmission Modulator Valve.
Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1033)
from
$39.99
The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.
Product Features:
See More
Product Features:
- Application matched component ensures the transmission gear position system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- This part will look and function just like the original unit being replaced.
FAQs for 1966 GMC I2500 Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1966 GMC I2500s?
Out of 2 Automatic Transmission Parts that fit 1966 GMC I2500s, the following parts are the top sellers:
- Shifter Accessory, Pro Stick Aluminum Cover (17130059) – $139.99
- Automatic Transmission Modulator Valve (12546192) – $39.99
What’s the price range for 1966 GMC I2500 Automatic Transmission Parts?
The prices of Automatic Transmission Parts for the 1966 GMC I2500 range from $39.99 up to $139.99 for the most premium parts.
What is the average price of an Automatic Transmission Part for a 1966 GMC I2500?
The average price for Automatic Transmission Parts for the 1966 GMC I2500 is $89.99. Keep in mind the variety of part types within our Automatic Transmission Part category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Automatic Transmission Parts for my 1966 GMC I2500?
The cheapest 1966 GMC I2500 Automatic Transmission Parts we carry are:
- Automatic Transmission Modulator Valve (12546192) – $39.99
- Shifter Accessory, Pro Stick Aluminum Cover (17130059) – $139.99
Does Advance Auto Parts sell Automatic Transmission Parts for any other 1966 GMC models?
Yes. We stock Automatic Transmission Parts for 14 other popular 1966 GMC models. Some of the most popular are 1966 K15/K1500 Pickup Automatic Transmission Parts, 1966 Suburban Automatic Transmission Parts, 1966 G1000 Series Automatic Transmission Parts, 1966 PB1000 Series Automatic Transmission Parts, and 1966 I1500 Automatic Transmission Parts.
What types of Automatic Transmission Parts do you sell for my 1966 GMC I2500?
As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 1966 GMC I2500:
Can I get help with 1966 GMC I2500 Automatic Transmission Part 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 Parts and more.
What is your return policy for GMC I2500 Automatic Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC I2500 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.