1978 Chevrolet Monte Carlo Automatic Transmission Parts

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Keep Your 1978 Chevrolet Monte Carlo 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 1978 Chevrolet Monte Carlo looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Detent Cables, Transmission Modulator Valves, and Transmission Bushings. 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 Parts from Trusted Brands

Looking for a reliable Automatic Transmission Part? We’ve got you covered with options from brands you know and trust like Dorman and Pro-King. For example, Dorman Automatic Transmission Parts start at just $7.49 with an average 4.2 star rating. Pro-King offer similar pricing and quality, backed by strong customer feedback. With over 87 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet Monte Carlo owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Chevrolet Monte Carlo Automatic Transmission Part at Advance Auto Parts is around $58.50, with a range that starts at $4.29 and goes up to $422.99. With 24 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Chrome Automatic Transmission Dipstick & Tube – 27" Length, ATP Automatic Transmission Detent Cable, and AT SOLENOID SEAL start at just $4.29 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 1978 Chevrolet Monte Carlo in peak condition, inside and out.

Essential 1978 Chevrolet Monte Carlo Automatic Transmission Parts

ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1033)

Automatic Transmission Modulator Valve

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:
  • 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.
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Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember – G-Body – LS or LT Swap (Part No.12644HKR-1)

Hooker BlackHeart Transmission Crossmember - G-Body - LS or LT Swap

from

$422.99
Product Features:
  • This LS and LT Swap Crossmember for the GM G-Body has some very minor design updates & has been updated from 12644HKR to part number 12644HKR-1
  • Facilitates installation of a 4L60/4L65/4L70/4L80/TH400/2004R/T56/T56 behind an LS engine in 78-88 GM A/G Body applications (may require add-on bracket, see installation notes)
  • Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
  • Welded steel construction
  • Provides an optimized engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker 12643HKR engine mounts
  • Designed in conjunction with other Hooker BlackHeart GM A/G-Body engine swap brackets to provide bolt-in installation of Hooker LS swap manifolds, headers and exhaust systems for this application
  • Provides the highest clearance available for up to 3″ dual exhaust system routing
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Hooker Headers – Exhaust (Part No.12647HKR)

Exhaust

from

$80.99
Exhaust

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

AT FRT PUMP BUSHING

from

$11.79
AT FRT PUMP BUSHING

Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$11.99
This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ATP – AT SOLENOID SEAL (Part No.JO-15)

AT SOLENOID SEAL

from

$4.29
AT SOLENOID SEAL

ATP – AT OIL PUMP ORING (Part No.SO-21)

AT OIL PUMP ORING

from

$9.59
AT OIL PUMP ORING

Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$7.49
This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
  • Restores functionality – reliable replacement for an original vent that has failed due to blockage or fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

from

$9.59
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.JC-57)

AT CLUTCH PLATE

from

$13.79
AT CLUTCH PLATE

ATP – AT CLUTCH PLATE (Part No.CC-22)

AT CLUTCH PLATE

from

$26.49
AT CLUTCH PLATE

B & M – Cable Bracket (Part No.30498)

Cable Bracket

from

$33.99
Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.

Product Features:
  • Shifter Service Parts
  • Steel
  • Natural Finish
  • Sold individually
  • Replacement for Bandit shifters
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B & M – Cable Bracket (Part No.70469)

Cable Bracket

from

$55.99
Cable Bracket – Powerglide (Bandit style shifters only) APPLICATION: For Powerglide with Pro Bandit (Composite X and Magnum Grip) and rear entry cable.

Product Features:
  • Fully Polished/Bright Anodized
  • Narrow Design-w/No Knobs
  • Lightweight Mechanism
  • Reverse Exit Cable Design
  • Neutral Safety Switch Built-In
  • CNC Machined-6061-T6 Aluminum
  • Mounts Through Bottom Of Shifter
  • Flush Countersink Hardware Wont Rub Body Panels
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B & M – Cable Bracket (Part No.70460)

Cable Bracket

from

$31.49
B&M cable bracket fits GM Powerglide transmissions.

Product Features:
  • Shifter Service Parts
  • Steel
  • Natural Finish
  • Sold individually
  • B&M quality
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Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4986)

Automatic Transmission Control Solenoid

from

$23.99
An automatic transmission is a hydraulic multi-speed device that does not require any input from the vehicle operator other than selecting vehicle direction. Hydraulic pressure is controlled by a series of electronic shift solenoids that are commanded by the transmission control module. Planetary gear sets and hydraulically controlled shift plates and brake bands apply power to the main shaft in the transmission and out to the vehicles drive wheels.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Precision-wound coated copper windings increase product durability and life cycle.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
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B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$99.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Product Features:
  • Allows High Speed Cruise
  • Cruise In Overdrive
  • Prevents Part Throttle Kickdown
  • Quick Installation
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Pro-King – Automatic Transmission Solenoid (Part No.52-0216)

Automatic Transmission Solenoid

from

$28.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

Product Features:
  • Meets or exceeds OE specifications
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ATP – AUTO TRANS BAND (Part No.CX-32)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

ATP – AUTO TRANS BAND (Part No.CX-42)

AUTO TRANS BAND

from

$36.49
AUTO TRANS BAND

ATP – AUTO TRANS BAND (Part No.JX-58)

AUTO TRANS BAND

from

$29.99
AUTO TRANS BAND

Mr. Gasket – A/Tdipstick (Part No.9703G)

A/Tdipstick

from

$95.99
Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:
  • Braided Stainless Steel
  • Firewall Mounting
  • Includes Oil Fill Tube
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Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

Chrome Automatic Transmission Dipstick & Tube - 27" Length

from

$34.49
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:
  • Fits GM Th350 – Chevy Specific. Modify For Others
  • 27 In Length
  • Chrome Plated Steel
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ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-752)

Automatic Transmission Universal Detent Cable 28 to 48 inches

from

$42.99
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:
  • Includes brackets, grommets, etc to match original
  • Fits many GM transmissions
  • Adjustable
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B & M – Throttle Valve Cable, TH700R4 Transmission (Part No.70242)

Throttle Valve Cable, TH700R4 Transmission

from

$69.99
These universal fit adjustable cables will work in 95% of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.

Product Features:
  • Universal Fit Adjustable
  • Less Expensive Than OE Models
  • Ease Trans. Swap Installation
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ATP – Automatic Transmission Detent Cable (Part No.Y-225)

Automatic Transmission Detent Cable

from

$28.49
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
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ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)

ATP Automatic Transmission Detent Cable

from

$23.99
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit And function just like the original part to ensure durability And long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
See More

ATP – ATP Automatic Transmission Detent Cable (Part No.Y-233)

ATP Automatic Transmission Detent Cable

from

$24.99
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit And function just like the original part to ensure durability And long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
See More

Most Popular Detent Cables for 1978 Chevrolet Monte Carlos

Enhance your 1978 Chevrolet Monte Carlo with one of the 3 Detent Cables we have in stock, starting at just $23.99.

ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)

ATP Automatic Transmission Detent Cable

from

$23.99
Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit And function just like the original part to ensure durability And long life.

Product Features:
  • Includes brackets, grommets, etc to match original
  • Helps transmission determine ideal downshift
  • Improves vehicle performance
See More

ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-752)

Automatic Transmission Universal Detent Cable 28 to 48 inches

from

$42.99
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:
  • Includes brackets, grommets, etc to match original
  • Fits many GM transmissions
  • Adjustable
See More

ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-754)

Automatic Transmission Universal Detent Cable 28 to 48 inches

from

$49.99
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:
  • Includes brackets, grommets, etc to match original
  • Fits many GM transmissions
  • Adjustable
See More

Best-Selling 1978 Chevrolet Monte Carlo Transmission Modulator Valves

Upgrade your Monte Carlo with one of our 5 best-selling Transmission Modulator Valves, earning an average 4 stars rating across 24 reviews.

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)

Automatic Transmission Vacuum Modulator

from

$21.99
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
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Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

Automatic Transmission Vacuum Modulator

from

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

Product Features:
  • Meets or exceeds OE specifications
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B & M – Modulator (Part No.20234)

Modulator

from

$49.99
B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.

Product Features:
  • Fully Adjustable
  • Allows You To Tailor Shift Points
  • Comes Supplied Pre-Adjusted
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ATP – AT MODULATOR VALVE (Part No.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

ATP – AT MODULATOR VALVE (Part No.JX-66)

AT MODULATOR VALVE

from

$21.99
AT MODULATOR VALVE

Top-Quality Transmission Bushings for 1978 Chevrolet Monte Carlos

Choose a high-quality OEM or aftermarket Transmission Bushing for Chevrolet Monte Carlos and enjoy top-notch performance from $11.79.

Dorman – Help – Clutch Pilot Bushing (Part No.14650)

Clutch Pilot Bushing

from

$11.99
This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

ATP – AT FRT PUMP BUSHING (Part No.CB-30)

AT FRT PUMP BUSHING

from

$12.79
AT FRT PUMP BUSHING

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

AT FRT PUMP BUSHING

from

$11.79
AT FRT PUMP BUSHING

Top Picks for 1978 Chevrolet Monte Carlo Transmission Dipsticks

Invest in one of our 2 durable Transmission Dipsticks for your 1978 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)

Chrome Automatic Transmission Dipstick & Tube - 27" Length

from

$34.49
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

Product Features:
  • Fits GM Th350 – Chevy Specific. Modify For Others
  • 27 In Length
  • Chrome Plated Steel
See More

Mr. Gasket – A/Tdipstick (Part No.9703G)

A/Tdipstick

from

$95.99
Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:
  • Braided Stainless Steel
  • Firewall Mounting
  • Includes Oil Fill Tube
See More

Transmission Solenoids for 1978 Chevrolet Monte Carlos

Make a smart move for your 1978 Chevrolet Monte Carlo with products all priced from $58.99 to $118.99.

ATP – AT CONTR SOLENOID (Part No.SE-1)

AT CONTR SOLENOID

from

$118.99
AT CONTR SOLENOID

B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

Kickdown Switch Kit For TH400 Transmission

from

$99.99
When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Product Features:
  • Allows High Speed Cruise
  • Cruise In Overdrive
  • Prevents Part Throttle Kickdown
  • Quick Installation
See More

ATP – AT CONTR SOLENOID (Part No.CE-4)

AT CONTR SOLENOID

from

$58.99
AT CONTR SOLENOID

Top-Rated Automatic Transmission Part Brands For Your 1978 Chevrolet Monte Carlo

When it comes to finding the perfect Automatic Transmission Part for your 1978 Chevrolet Monte Carlo, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Automatic Transmission Part brands including Dorman and Pro-King, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $7.49. Purchasing a Automatic Transmission Part from us here at Advance Auto Parts is a smart move for both you and your 1978 Chevrolet Monte Carlo, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 1978 Chevrolet Monte Carlo Automatic Transmission Parts

If you’re looking for a top-quality Automatic Transmission Part for your 1978 Chevrolet Monte Carlo, Advance Auto Parts has exactly what you need with our selection of Dorman Automatic Transmission Parts. We have 2 Dorman Automatic Transmission Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.49 and an average cost of $9.74, you’ll find the perfect Automatic Transmission Part for your needs and budget. Dorman Automatic Transmission Parts for the 1978 Chevrolet Monte Carlo come highly rated, with over 5 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Automatic Transmission Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Auto Transmission Case Vent
from $7.49
(4)
Auto Transmission Case Vent
“Works for multiple vent areas of any vehicle, I got it for my gas tank fume vents!”
Clutch Pilot Bushing
from $11.99
(1)
Clutch Pilot Bushing
“Fit my 350 sbc and M22 muncie, was magnetic, indicating iron / steel but I didn’t have another bushing to compare it to, maybe they all have some iron”

Top-Quality Pro-King 1978 Chevrolet Monte Carlo Automatic Transmission Parts

For those in search of a high-quality Automatic Transmission Part for their 1978 Chevrolet Monte Carlo, Advance Auto Parts offers a great selection of Pro-King Automatic Transmission Parts. With 2 Pro-King Automatic Transmission Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Automatic Transmission Parts start at just $21.99, with an average price of $27.99, giving you a range of options to suit your budget. Backed by over 22 customer ratings and an average rating of 4.0 stars, Pro-King Automatic Transmission Parts provide both reliability and excellent performance. Choosing a Pro-King Automatic Transmission Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Automatic Transmission Vacuum Modulator
from $33.99
(11)
Automatic Transmission Vacuum Modulator
“I have a 1988 Buick Reatta that recently begun to fail to shift. After trying things such as changing the filter and fluid, we eventually were recomme”
Automatic Transmission Vacuum Modulator
from $21.99
(11)
Automatic Transmission Vacuum Modulator
“Great product”

FAQs for 1978 Chevrolet Monte Carlo Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1978 Chevrolet Monte Carlos?

Out of 24 Automatic Transmission Parts that fit 1978 Chevrolet Monte Carlos, the following parts are the top sellers:

What’s the price range for 1978 Chevrolet Monte Carlo Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1978 Chevrolet Monte Carlo range from $4.29 up to $422.99 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1978 Chevrolet Monte Carlo?

The average price for Automatic Transmission Parts for the 1978 Chevrolet Monte Carlo is $58.50. 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 Chevrolet Monte Carlo model years?

Yes, we carry Automatic Transmission Parts for 30 model years of Chevrolet Monte Carlos between 1970 and 2007. The following model years are the most popular for Automatic Transmission Part purchases: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, and 1999.

What are the cheapest Automatic Transmission Parts for my 1978 Chevrolet Monte Carlo?

The cheapest 1978 Chevrolet Monte Carlo Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 1978 Chevrolet models?

What are the top-rated Automatic Transmission Parts that fit the 1978 Chevrolet Monte Carlo?

Based on 87 reviews by customers, our 1978 Chevrolet Monte Carlo Automatic Transmission Parts have an average customer rating of 4 stars. These are the highest-rated categories of Automatic Transmission Parts for the 1978 Chevrolet Monte Carlo and their top-rated products:

What types of Automatic Transmission Parts do you sell for my 1978 Chevrolet Monte Carlo?

As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1978 Chevrolet Monte Carlo:

Can I get help with 1978 Chevrolet Monte Carlo 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 Chevrolet Automatic Transmission Parts and more.

What is your return policy for Chevrolet Monte Carlo Automatic Transmission Parts?

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