1984 Ford Mustang Automatic Transmission Parts

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Keep Your 1984 Ford Mustang 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 1984 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Crossmembers, Automatic Transmission Repair Sleeve, and Transmission Bands. 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 1984 Ford Mustang Automatic Transmission Part at Advance Auto Parts is around $48.68, with a range that starts at $4.29 and goes up to $102.99. With 12 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Vacuum Modulator, AT MODULATOR VALVE, and Transmission Crossmember Mount start at just $33.49 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 1984 Ford Mustang in peak condition, inside and out.

Essential 1984 Ford Mustang Automatic Transmission Parts

Energy Suspension – Transmission Crossmember Mount (Part No.4.1102G)

Transmission Crossmember Mount

from

$33.49
Made from Hyper-Flex polyurethane.

Product Features:
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JBA Performance – 1753 67-70 Mustang Aod Transmission Mount (Part No.1753)

1753 67-70 Mustang Aod Transmission Mount

from

$185.99
JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product.

Product Features:
  • JBA Performance Exhaust 1753 67-70 Mustang AOD Transmission Mount
  • JBA Accessories include
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Energy Suspension – Transmission Crossmember Mount (Part No.4.1102R)

Transmission Crossmember Mount

from

$33.49
Made from Hyper-Flex polyurethane.

Product Features:
See More

ATP – Automatic Transmission Fluid Filler Tube Seal (Part No.JO-15)

Automatic Transmission Fluid Filler Tube Seal

from

$4.29
Automatic Transmission Fluid Filler Tube Seal

Schaeffler – Repair Sleeve (Part No.SR3501)

Repair Sleeve

from

$40.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

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
See More

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1042)

Automatic Transmission Modulator Valve

from

$38.99
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:
  • 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.
See More

ATP – AT MODULATOR VALVE (Part No.FX-194)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-23)

Automatic Transmission Vacuum Modulator

from

$40.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-27)

Automatic Transmission Vacuum Modulator

from

$27.49
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-18)

Automatic Transmission Vacuum Modulator

from

$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

ATP – ATP Automatic Transmission Modulator Valve (Part No.FX-226)

ATP Automatic Transmission Modulator Valve

from

$41.49
ATP Automatic Transmission Modulator Valve

ATP – AT MODULATOR VALVE (Part No.FX-80)

AT MODULATOR VALVE

from

$46.99
AT MODULATOR VALVE

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1024)

Automatic Transmission Modulator Valve

from

$30.99
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:
  • 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.
See More

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-36)

Automatic Transmission Vacuum Modulator

from

$38.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1039)

Automatic Transmission Modulator Valve

from

$43.99
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:
  • 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.
See More

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1025)

Automatic Transmission Modulator Valve

from

$32.49
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:
  • 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.
See More

ATP – Automatic Transmission Band (Reverse) (Part No.FX-174)

Automatic Transmission Band (Reverse)

from

$101.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Overdrive) (Part No.LX-2)

Automatic Transmission Band (Overdrive)

from

$27.49
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Oem Type, Intermediate) (Part No.FX-124)

Automatic Transmission Band (Oem Type, Intermediate)

from

$29.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Reverse) (Part No.FX-252)

Automatic Transmission Band (Reverse)

from

$102.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

Most Popular Transmission Crossmembers for 1984 Ford Mustangs

Enhance your 1984 Ford Mustang with one of the 2 Transmission Crossmembers we have in stock, starting at just $33.49.

Energy Suspension – Transmission Crossmember Mount (Part No.4.1102R)

Transmission Crossmember Mount

from

$33.49
Made from Hyper-Flex polyurethane.

Product Features:
See More

Energy Suspension – Transmission Crossmember Mount (Part No.4.1102G)

Transmission Crossmember Mount

from

$33.49
Made from Hyper-Flex polyurethane.

Product Features:
See More

Best-Selling 1984 Ford Mustang Automatic Transmission Repair Sleeve

Upgrade your Mustang with our best-selling Automatic Transmission Repair Sleeve.

Schaeffler – Repair Sleeve (Part No.SR3501)

Repair Sleeve

from

$40.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

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
See More

Top-Quality Transmission Bands for 1984 Ford Mustangs

Choose a high-quality OEM or aftermarket Transmission Band for Ford Mustangs and enjoy top-notch performance from $27.49.

ATP – Automatic Transmission Band (Reverse) (Part No.FX-252)

Automatic Transmission Band (Reverse)

from

$102.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Reverse) (Part No.FX-174)

Automatic Transmission Band (Reverse)

from

$101.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Oem Type, Intermediate) (Part No.FX-124)

Automatic Transmission Band (Oem Type, Intermediate)

from

$29.99
ATP Transmission Components are exact fit, no compromise replacement parts
See More

ATP – Automatic Transmission Band (Overdrive) (Part No.LX-2)

Automatic Transmission Band (Overdrive)

from

$27.49
ATP Transmission Components are exact fit, no compromise replacement parts
See More

Our Top Pick for a 1984 Ford Mustang Automatic Transmission Fluid Filler Tube Seal

Invest in a durable Automatic Transmission Fluid Filler Tube Seal for your 1984 Ford, knowing you’re getting trusted brands and expert craftsmanship.

ATP – Automatic Transmission Fluid Filler Tube Seal (Part No.JO-15)

Automatic Transmission Fluid Filler Tube Seal

from

$4.29
Automatic Transmission Fluid Filler Tube Seal

Top-Rated Transmission Modulator Valves for 1984 Ford Mustangs

Make a smart move for your 1984 Ford Mustang with products all priced from $32.49 to $52.99.

ATP – ATP Automatic Transmission Modulator Valve (Part No.FX-226)

ATP Automatic Transmission Modulator Valve

from

$41.49
ATP Automatic Transmission Modulator Valve

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-36)

Automatic Transmission Vacuum Modulator

from

$38.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE specifications
See More

ATP – AT MODULATOR VALVE (Part No.FX-262)

AT MODULATOR VALVE

from

$52.99
AT MODULATOR VALVE

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1025)

Automatic Transmission Modulator Valve

from

$32.49
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:
  • 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.
See More

FAQs for 1984 Ford Mustang Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1984 Ford Mustangs?

Out of 12 Automatic Transmission Parts that fit 1984 Ford Mustangs, the following parts are the top sellers:

What’s the price range for 1984 Ford Mustang Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1984 Ford Mustang range from $4.29 up to $102.99 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1984 Ford Mustang?

The average price for Automatic Transmission Parts for the 1984 Ford Mustang is $48.68. 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.

Does Advance Auto Parts sell Automatic Transmission Parts for other Ford Mustang model years?

Yes, we carry Automatic Transmission Parts for 56 model years of Ford Mustangs between 1964 and 2026. The following model years are the most popular for Automatic Transmission Part purchases: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Automatic Transmission Parts for my 1984 Ford Mustang?

The cheapest 1984 Ford Mustang Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 1984 Ford models?

What are the top-rated Automatic Transmission Parts that fit the 1984 Ford Mustang?

Based on 15 reviews by customers, our 1984 Ford Mustang Automatic Transmission Parts have an average customer rating of 5 stars. These are the highest-rated categories of Automatic Transmission Parts for the 1984 Ford Mustang and their top-rated products:

What types of Automatic Transmission Parts do you sell for my 1984 Ford Mustang?

As of 6/2/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1984 Ford Mustang:

Can I get help with 1984 Ford Mustang 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 Ford Automatic Transmission Parts and more.

What is your return policy for Ford Mustang Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new Ford Mustang Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.