1978 GMC G35 Automatic Transmission Parts
Keep Your 1978 GMC G35 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 GMC G35 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Modulator Valves, Detent Cables, and Transmission Solenoids. 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 Pro-King and Dorman. For example, Pro-King Automatic Transmission Parts start at just $21.99 with an average 4.0 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 298 reviews and a solid 3.4 star average, you can shop with confidence knowing other GMC G35 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1978 GMC G35 Automatic Transmission Part at Advance Auto Parts is around $46.43, with a range that starts at $4.19 and goes up to $132.99. With 21 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like "Mr. Gasket Chrome Automatic Transmission Dipstick & Tube – 27"" Length, 9764", ATP Automatic Transmission Detent Cable, Y-100, and Dorman – Help Clutch Pilot Bushing, 14650 start at just $11.99 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 1978 GMC G35 in peak condition, inside and out.
Find Your Specific 1978 GMC G35 Automatic Transmission Parts
Looking for the perfect Automatic Transmission Part for your 1978 GMC G35? 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 G35. Whether you’re driving a 1978 model or another popular model year like
1975,
1976, and
1977, 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 1978 GMC G35 Automatic Transmission Parts
Dorman – Dorman Clutch Pilot Bushing, 690-014.1 (Part No.690-014.1)
from
$7.29
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.
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ATP – ATP Automatic Transmission Front Pump Bushing, CB-4 (Part No.CB-4)
B & M – B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166 (Part No.22166)
from
$132.99
Dress up your street rod with this stainless steel braided dipstick featuring a billet aluminum knob with an o-ring for a leak proof seal. The dipstick fits GM TH400 automatic transmissions and mounts to the Bell housing. The handle has the B&M logo laser etched on the top showing everyone you appreciate quality.
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Mr. Gasket – "Mr. Gasket Chrome Automatic Transmission Dipstick & Tube – 27"" Length, 9764" (Part No.9764)
from
$36.99
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.
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Edelbrock – Edelbrock Throttle & Auto Trans Kickdown Bracket, 8030 (Part No.8030)
from
$83.99
Edelbrock part No: 8030 Throttle, Cruise Control & Trans. Kick-Down Mounting Bracket is designed for Small-block Chevy (1995 & earlier – non-Vortec) with Chrome Plated Finish.
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B & M – B & M Kickdown Switch Kit For Th400 Transmission, 20297 (Part No.20297)
from
$103.99
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.
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ATP – ATP AT MODULATOR VALVE, JX-66 (Part No.JX-66)
from
$21.99
ATP AT MODULATOR VALVE, JX-66. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1023 (Part No.VMC1023)
from
$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.
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B & M – B & M Modulator, 20234 (Part No.20234)
from
$51.99
The B&M vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.
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Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Red, 71223030HKR (Part No.71223030HKR)
from
$49.99
Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and features a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2-bolt GM and Jeep applications.
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Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Black, 71223029HKR (Part No.71223029HKR)
from
$46.09
Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and feature a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2 bolt GM and Jeep applications.
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ATP – ATP Automatic Transmission Band (Front), JX-58 (Part No.JX-58)
ATP – ATP AT CONTR SOLENOID, SE-1 (Part No.SE-1)
from
$118.99
ATP AT CONTR SOLENOID, SE-1. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>SOLENOIDS>SOLENOIDS from ATP
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ATP – ATP Automatic Transmission Clutch Plate, JC-57 (Part No.JC-57)
ATP – ATP Automatic Transmission Detent Cable Seal, SO-36 (Part No.SO-36)
from
$4.19
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Universal Detent Cable 28 To 48 Inches, Y-754 (Part No.Y-754)
from
$54.99
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. Pioneer detent cables are designed to fit and function just like the original part to ensure durability and long life.
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ATP – ATP Automatic Transmission Detent Cable, Y-100 (Part No.Y-100)
from
$25.99
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.
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ATP – ATP Automatic Transmission Detent Cable, Y-103 (Part No.Y-103)
from
$35.99
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. Pioneer detent cables are designed to fit and function just like the original part to ensure durability and long life.
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Popular 1978 GMC G35 Automatic Transmission Parts Categories
Most Popular Transmission Modulator Valves for 1978 GMC G35s
Enhance your 1978 GMC G35 with one of the 6 Transmission Modulator Valves we have in stock, starting at just $21.99.
Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-48 (Part No.MD-48)
Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-28 (Part No.MD-28)
B & M – B & M Modulator, 20234 (Part No.20234)
from
$51.99
The B&M vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.
See More
ATP – ATP AT MODULATOR VALVE, JX-76 (Part No.JX-76)
from
$51.99
ATP AT MODULATOR VALVE, JX-76. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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ATP – ATP AT MODULATOR VALVE, JX-66 (Part No.JX-66)
from
$21.99
ATP AT MODULATOR VALVE, JX-66. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>TRANSMISSION CONTROL MODULES>TRANSMISSION CONTROL MODULES from ATP
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Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1023 (Part No.VMC1023)
from
$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.
See More
Best-Selling 1978 GMC G35 Detent Cables
Upgrade your G35 with one of our 3 best-selling Detent Cables, earning an average 1 stars rating across 1 reviews.
ATP – ATP Automatic Transmission Detent Cable, Y-100 (Part No.Y-100)
from
$25.99
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.
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ATP – ATP Automatic Transmission Detent Cable Seal, SO-36 (Part No.SO-36)
from
$4.19
ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts
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ATP – ATP Automatic Transmission Universal Detent Cable 28 To 48 Inches, Y-754 (Part No.Y-754)
from
$54.99
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. Pioneer detent cables are designed to fit and function just like the original part to ensure durability and long life.
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Top-Quality Transmission Solenoids for 1978 GMC G35s
Choose a high-quality OEM or aftermarket Transmission Solenoid for GMC G35s and enjoy top-notch performance from $118.99.
ATP – ATP AT CONTR SOLENOID, SE-1 (Part No.SE-1)
from
$118.99
ATP AT CONTR SOLENOID, SE-1. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>SOLENOIDS>SOLENOIDS from ATP
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Top Picks for 1978 GMC G35 Transmission Bushings
Invest in one of our 3 durable Transmission Bushings for your 1978 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Dorman – Help – Dorman – Help Clutch Pilot Bushing, 14650 (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.
See More
Dorman – Dorman Clutch Pilot Bushing, 690-014.1 (Part No.690-014.1)
from
$7.29
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.
See More
ATP – ATP Automatic Transmission Front Pump Bushing, CB-4 (Part No.CB-4)
Top-Rated Transmission Dipsticks for 1978 GMC G35s
Make a smart move for your 1978 GMC G35 with products all priced from $36.99 to $132.99.
Mr. Gasket – "Mr. Gasket Chrome Automatic Transmission Dipstick & Tube – 27"" Length, 9764" (Part No.9764)
from
$36.99
Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.
See More
B & M – B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166 (Part No.22166)
from
$132.99
Dress up your street rod with this stainless steel braided dipstick featuring a billet aluminum knob with an o-ring for a leak proof seal. The dipstick fits GM TH400 automatic transmissions and mounts to the Bell housing. The handle has the B&M logo laser etched on the top showing everyone you appreciate quality.
See More
Top-Rated Automatic Transmission Part Brands For Your 1978 GMC G35
When it comes to finding the perfect Automatic Transmission Part for your 1978 GMC G35, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 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 $11.99. Purchasing a Automatic Transmission Part from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC G35, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dorman 1978 GMC G35 Automatic Transmission Parts
If you’re looking for a top-quality Automatic Transmission Part for your 1978 GMC G35, Advance Auto Parts has exactly what you need with our selection of Dorman Automatic Transmission Parts. We have 1 Dorman Automatic Transmission Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99, you’ll find the perfect Automatic Transmission Part for your needs and budget. Dorman Automatic Transmission Parts for the 1978 GMC G35 come highly rated, with over 1 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.
from
$11.99
(1)
Dorman – Help Clutch Pilot Bushing, 14650
“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 GMC G35 Automatic Transmission Parts
For those in search of a high-quality Automatic Transmission Part for their 1978 GMC G35, 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.
from
$21.99
(11)
Pro-King Automatic Transmission Vacuum Modulator, MD-48
“Part was in stock, price was good.”
from
$33.99
(11)
Pro-King Automatic Transmission Vacuum Modulator, MD-28
“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 GMC G35 Automatic Transmission Parts
What are the best-selling Automatic Transmission Parts for 1978 GMC G35s?
Out of 21 Automatic Transmission Parts that fit 1978 GMC G35s, the following parts are the top sellers:
- "Mr. Gasket Chrome Automatic Transmission Dipstick & Tube – 27"" Length, 9764" (3443361) – $36.99
- ATP Automatic Transmission Detent Cable, Y-100 (5610613) – $25.99
- Dorman – Help Clutch Pilot Bushing, 14650 (5703204) – $11.99
What’s the price range for 1978 GMC G35 Automatic Transmission Parts?
The prices of Automatic Transmission Parts for the 1978 GMC G35 range from $4.19 up to $132.99 for the most premium parts.
What is the average price of an Automatic Transmission Part for a 1978 GMC G35?
The average price for Automatic Transmission Parts for the 1978 GMC G35 is $46.43. 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 GMC G35 model years?
What are the cheapest Automatic Transmission Parts for my 1978 GMC G35?
The cheapest 1978 GMC G35 Automatic Transmission Parts we carry are:
- ATP Automatic Transmission Detent Cable Seal, SO-36 (10861007) – $4.19
- Dorman Clutch Pilot Bushing, 690-014.1 (20330523) – $7.29
- ATP Automatic Transmission Front Pump Bushing, CB-4 (11237261) – $11.79
- Dorman – Help Clutch Pilot Bushing, 14650 (5703204) – $11.99
- ATP Automatic Transmission Clutch Plate, JC-57 (11239107) – $13.79
Does Advance Auto Parts sell Automatic Transmission Parts for any other 1978 GMC models?
Yes. We stock Automatic Transmission Parts for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Automatic Transmission Parts, 1978 Caballero Automatic Transmission Parts, 1978 K25 Automatic Transmission Parts, 1978 K15 Automatic Transmission Parts, and 1978 G25 Automatic Transmission Parts.
What are the top-rated Automatic Transmission Parts that fit the 1978 GMC G35?
Based on 298 reviews by customers, our 1978 GMC G35 Automatic Transmission Parts have an average customer rating of 3.4 stars. These are the highest-rated categories of Automatic Transmission Parts for the 1978 GMC G35 and their top-rated products:
- Transmission Modulator Valves
- Pro-King Automatic Transmission Vacuum Modulator, MD-48 (5152976) – $21.99
- Pro-King Automatic Transmission Vacuum Modulator, MD-28 (5152925) – $33.99
- B & M Modulator, 20234 (17130004) – $51.99
- Transmission Dipsticks
What types of Automatic Transmission Parts do you sell for my 1978 GMC G35?
As of 8/2/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1978 GMC G35:
Can I get help with 1978 GMC G35 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 G35 Automatic Transmission Parts?
Advance Auto Parts keeps returns simple. For new GMC G35 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.