1978 Chevrolet G30 Automatic Transmission Parts
Keep Your 1978 Chevrolet G30 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 G30 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including , , and . 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 293 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet G30 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1978 Chevrolet G30 Automatic Transmission Part at Advance Auto Parts is around $39.47, with a range that starts at $4.29 and goes up to $118.99. With 21 options in stock from 6 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 G30 in peak condition, inside and out.
Essential 1978 Chevrolet G30 Automatic Transmission Parts
ATP – AT SOLENOID SEAL (Part No.JO-15)
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$4.29
AT SOLENOID SEAL
Mr. Gasket – A/Tdipstick (Part No.9703G)
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$95.99
Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.
Product Features:
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Product Features:
- Braided Stainless Steel
- Firewall Mounting
- Includes Oil Fill Tube
Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)
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$34.49
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.
Product Features:
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Product Features:
- Fits GM Th350 – Chevy Specific. Modify For Others
- 27 In Length
- Chrome Plated Steel
Dorman – Help – Clutch Pilot Bushing (Part No.14650)
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$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:
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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
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
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$11.79
AT FRT PUMP BUSHING
ATP – Automatic Transmission Detent Cable End (Part No.YR-100)
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$7.99
ATP Detent Cable End repair damaged or bent end clips found on 1980-96 General Motors applications.
Product Features:
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Product Features:
- Saves money by allowing cable repair instead of replacement.
- Easy to use
ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-754)
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$49.99
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts
Product Features:
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Product Features:
- Includes brackets, grommets, etc to match original
- Fits many GM transmissions
- Adjustable
ATP – AT CONTR SOLENOID (Part No.JE-8)
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$70.99
AT CONTR SOLENOID
B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)
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$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:
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Product Features:
- Allows High Speed Cruise
- Cruise In Overdrive
- Prevents Part Throttle Kickdown
- Quick Installation
ATP – AT CONTR SOLENOID (Part No.JE-7)
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$106.99
AT CONTR SOLENOID
ATP – AUTO TRANS BAND (Part No.CX-42)
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$36.49
AUTO TRANS BAND
ATP – AUTO TRANS BAND (Part No.JX-58)
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$29.99
AUTO TRANS BAND
B & M – Cable Bracket (Part No.30498)
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$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:
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Product Features:
- Shifter Service Parts
- Steel
- Natural Finish
- Sold individually
- Replacement for Bandit shifters
ATP – AT MODULATOR VALVE (Part No.JX-66)
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$21.99
AT MODULATOR VALVE
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)
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$21.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
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Product Features:
- Meets or exceeds OE fit, form and function
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)
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$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
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Product Features:
- Meets or exceeds OE specifications
ATP – AT CLUTCH PLATE (Part No.JC-50)
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$9.59
AT CLUTCH PLATE
ATP – AT CLUTCH PLATE (Part No.JC-57)
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$13.79
AT CLUTCH PLATE
Dorman – Help – Auto Transmission Case Vent (Part No.14689)
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$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:
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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
ATP – AT OIL PUMP ORING (Part No.SO-21)
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$9.59
AT OIL PUMP ORING
Popular 1978 Chevrolet G30 Automatic Transmission Parts Categories
Most Popular Transmission Modulator Valves for 1978 Chevrolet G30s
Enhance your 1978 Chevrolet G30 with one of the 6 Transmission Modulator Valves we have in stock, starting at just $21.99.
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)
from
$21.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
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Product Features:
- Meets or exceeds OE fit, form and function
Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)
from
$33.99
Fully adjustable vacuum modulator to maintain accurate shift points.
Product Features:
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Product Features:
- Meets or exceeds OE specifications
B & M – Modulator (Part No.20234)
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$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:
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Product Features:
- Fully Adjustable
- Allows You To Tailor Shift Points
- Comes Supplied Pre-Adjusted
ATP – AT MODULATOR VALVE (Part No.JX-76)
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$51.99
AT MODULATOR VALVE
ATP – AT MODULATOR VALVE (Part No.JX-66)
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$21.99
AT MODULATOR VALVE
Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1023)
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$48.99
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.
Best-Selling 1978 Chevrolet G30 Transmission Solenoids
Upgrade your G30 with one of our 2 best-selling Transmission Solenoids.
ATP – AT CONTR SOLENOID (Part No.SE-1)
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$118.99
AT CONTR SOLENOID
B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)
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:
See More
Product Features:
- Allows High Speed Cruise
- Cruise In Overdrive
- Prevents Part Throttle Kickdown
- Quick Installation
Top-Quality Transmission Dipsticks for 1978 Chevrolet G30s
Choose a high-quality OEM or aftermarket Transmission Dipstick for Chevrolet G30s and enjoy top-notch performance from $34.49.
Mr. Gasket – Chrome Automatic Transmission Dipstick & Tube – 27" Length (Part No.9764)
from
$34.49
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.
Product Features:
See More
Product Features:
- Fits GM Th350 – Chevy Specific. Modify For Others
- 27 In Length
- Chrome Plated Steel
Mr. Gasket – A/Tdipstick (Part No.9703G)
from
$95.99
Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.
Product Features:
See More
Product Features:
- Braided Stainless Steel
- Firewall Mounting
- Includes Oil Fill Tube
Top Picks for 1978 Chevrolet G30 Detent Cables
Invest in one of our 2 durable Detent Cables for your 1978 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.
ATP – ATP Automatic Transmission Detent Cable (Part No.Y-100)
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$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:
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Product Features:
- Includes brackets, grommets, etc to match original
- Helps transmission determine ideal downshift
- Improves vehicle performance
ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-754)
from
$49.99
ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts
Product Features:
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Product Features:
- Includes brackets, grommets, etc to match original
- Fits many GM transmissions
- Adjustable
Top-Rated Transmission Bushings for 1978 Chevrolet G30s
Make a smart move for your 1978 Chevrolet G30 with products all priced from $11.79 to $11.99.
Dorman – Help – Clutch Pilot Bushing (Part No.14650)
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:
See More
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
ATP – AT FRT PUMP BUSHING (Part No.CB-4)
from
$11.79
AT FRT PUMP BUSHING
Top-Rated Automatic Transmission Part Brands For Your 1978 Chevrolet G30
When it comes to finding the perfect Automatic Transmission Part for your 1978 Chevrolet G30, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 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 G30, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dorman 1978 Chevrolet G30 Automatic Transmission Parts
If you’re looking for a top-quality Automatic Transmission Part for your 1978 Chevrolet G30, 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 G30 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.
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$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”
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$7.49
(4)
Auto Transmission Case Vent
“Works for multiple vent areas of any vehicle, I got it for my gas tank fume vents!”
Top-Quality Pro-King 1978 Chevrolet G30 Automatic Transmission Parts
For those in search of a high-quality Automatic Transmission Part for their 1978 Chevrolet G30, 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.
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$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”
FAQs for 1978 Chevrolet G30 Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1978 Chevrolet G30s?
Out of 21 Automatic Transmission Parts that fit 1978 Chevrolet G30s, the following parts are the top sellers:
- Chrome Automatic Transmission Dipstick & Tube – 27" Length (3443361) – $34.49
- ATP Automatic Transmission Detent Cable (5610613) – $23.99
- AT SOLENOID SEAL (11239035) – $4.29
What’s the price range for 1978 Chevrolet G30 Automatic Transmission Parts?
The prices of Automatic Transmission Parts for the 1978 Chevrolet G30 range from $4.29 up to $118.99 for the most premium parts.
What is the average price of an Automatic Transmission Part for a 1978 Chevrolet G30?
The average price for Automatic Transmission Parts for the 1978 Chevrolet G30 is $39.47. 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 G30 model years?
What are the cheapest Automatic Transmission Parts for my 1978 Chevrolet G30?
The cheapest 1978 Chevrolet G30 Automatic Transmission Parts we carry are:
- AT SOLENOID SEAL (11239035) – $4.29
- Auto Transmission Case Vent (22148677) – $7.49
- AT OIL PUMP ORING (11236298) – $9.59
- AT CLUTCH PLATE (11239333) – $9.59
- AT FRT PUMP BUSHING (11237261) – $11.79
Does Advance Auto Parts sell Automatic Transmission Parts for any other 1978 Chevrolet models?
Yes. We stock Automatic Transmission Parts for 22 other popular 1978 Chevrolet models. Some of the most popular are 1978 Corvette Automatic Transmission Parts, 1978 Nova Automatic Transmission Parts, 1978 P30 Automatic Transmission Parts, 1978 G20 Automatic Transmission Parts, and 1978 G10 Automatic Transmission Parts.
What are the top-rated Automatic Transmission Parts that fit the 1978 Chevrolet G30?
Based on 293 reviews by customers, our 1978 Chevrolet G30 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 G30 and their top-rated products:
- Automatic Transmission Fluid Filler Tube Seals
- AT SOLENOID SEAL (11239035) – $4.29
- Automatic Transmission Case Vents
- Auto Transmission Case Vent (22148677) – $7.49
- Transmission Dipsticks
- Chrome Automatic Transmission Dipstick & Tube – 27" Length (3443361) – $34.49
What types of Automatic Transmission Parts do you sell for my 1978 Chevrolet G30?
As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1978 Chevrolet G30:
Can I get help with 1978 Chevrolet G30 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 G30 Automatic Transmission Parts?
Advance Auto Parts keeps returns simple. For new Chevrolet G30 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.