1977 Chevrolet K5 Blazer Automatic Transmission Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1977 Chevrolet K5 Blazer 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 1977 Chevrolet K5 Blazer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Detent Cables, Transmission Bushings, 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.

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 183 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet K5 Blazer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1977 Chevrolet K5 Blazer Automatic Transmission Part at Advance Auto Parts is around $85.43, with a range that starts at $4.29 and goes up to $337.99. With 22 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 1977 Chevrolet K5 Blazer in peak condition, inside and out.

Essential 1977 Chevrolet K5 Blazer Automatic Transmission Parts

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

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

AT OIL PUMP ORING

from

$9.59
AT OIL PUMP ORING

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

ATP – AT SOLENOID SEAL (Part No.JO-15)

AT SOLENOID SEAL

from

$4.29
AT SOLENOID SEAL

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
See More

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 Detent Cable (Part No.Y-228)

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 – AT CONTR SOLENOID (Part No.SE-1)

AT CONTR SOLENOID

from

$118.99
AT CONTR SOLENOID

Pro-King – Automatic Transmission Solenoid (Part No.52-0203)

Automatic Transmission Solenoid

from

$36.99
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
See More

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

Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember (Part No.BHS549)

Hooker BlackHeart Transmission Crossmember

from

$337.99
Product Features:
  • Revised Design with Lower Pricing
  • Fits 1973-1987 C10/15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD
  • LS/Gen-V LT Swap Transmission Crossmembers
  • Designed for Use with All 1973-1987 C10 LS/Gen-V LT Swap Components
  • Use with BHS540 Engine Mounting Brackets (Also Works with 12621HKR)
  • Designed Using CAD Modeling/FEA Analysis for Optimal Strength, Weight, Safety & Appearance
  • Welded Steel Construction w/ Black Powder Coated Finish
  • Provides an Optimum Engine/Transmission Inclination Angle That is Critical to Obtain Suitable U-Joint Working Angles, when installed with BHS540 Engine Mounting Brackets
  • Designed in Conjunction with Other Hooker BlackHeart C10 Engine Swap Parts to Provide Bolt-in Installation of Hooker LS and LT Swap Manifolds and Exhaust Systems for this Application
  • Provides the Highest Clearance Available for up to 3.00″ Exhaust System
See More

Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember (Part No.BHS550)

Hooker BlackHeart Transmission Crossmember

from

$337.99
Product Features:
  • Revised Design with Lower Pricing
  • Fits 1973-1987 C10/15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD
  • LS/Gen-V LT Swap Transmission Crossmembers
  • Designed for Use with All 1973-1987 C10 LS/Gen-V LT Swap Components
  • Use with BHS540 Engine Mounting Brackets (Also Works with 12621HKR)
  • Designed Using CAD Modeling/FEA Analysis for Optimal Strength, Weight, Safety & Appearance
  • Welded Steel Construction w/ Black Powder Coated Finish
  • Provides an Optimum Engine/Transmission Inclination Angle That is Critical to Obtain Suitable U-Joint Working Angles, when installed with BHS540 Engine Mounting Brackets
  • Designed in Conjunction with Other Hooker BlackHeart C10 Engine Swap Parts to Provide Bolt-in Installation of Hooker LS and LT Swap Manifolds and Exhaust Systems for this Application
  • Provides the Highest Clearance Available for up to 3.00″ Exhaust System
See More

Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember (Part No.BHS548)

Hooker BlackHeart Transmission Crossmember

from

$321.99
Product Features:
  • Revised Design with Lower Pricing
  • Fits 1973-1987 C10/15 2WD, 1979-1987 C20 2WD & 1973-1982 Blazer/Jimmy 2WD
  • LS/Gen-V LT Swap Transmission Crossmembers
  • Designed for Use with All 1973-1987 C10 LS/Gen-V LT Swap Components
  • Use with BHS540 Engine Mounting Brackets (Also Works with 12621HKR)
  • Designed Using CAD Modeling/FEA Analysis for Optimal Strength, Weight, Safety & Appearance
  • Welded Steel Construction w/ Black Powder Coated Finish
  • Provides an Optimum Engine/Transmission Inclination Angle That is Critical to Obtain Suitable U-Joint Working Angles, when installed with BHS540 Engine Mounting Brackets
  • Designed in Conjunction with Other Hooker BlackHeart C10 Engine Swap Parts to Provide Bolt-in Installation of Hooker LS and LT Swap Manifolds and Exhaust Systems for this Application
  • Provides the Highest Clearance Available for up to 3.00″ Exhaust System
See More

ATP – AUTO TRANS BAND (Part No.JX-58)

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

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
See More

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
See More

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1023)

Automatic Transmission Modulator Valve

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.

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-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
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.JX-76)

AT MODULATOR VALVE

from

$51.99
AT MODULATOR VALVE

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
See More

Most Popular Detent Cables for 1977 Chevrolet K5 Blazers

Enhance your 1977 Chevrolet K5 Blazer with one of the 2 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-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 1977 Chevrolet K5 Blazer Transmission Bushings

Upgrade your K5 Blazer with one of our 2 best-selling Transmission Bushings, earning an average 4 stars rating across 1 reviews.

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-4)

AT FRT PUMP BUSHING

from

$11.79
AT FRT PUMP BUSHING

Top-Quality Transmission Modulator Valves for 1977 Chevrolet K5 Blazers

Choose a high-quality OEM or aftermarket Transmission Modulator Valve for Chevrolet K5 Blazers and enjoy top-notch performance from $21.99.

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
See More

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
See More

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
See More

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

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1023)

Automatic Transmission Modulator Valve

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.

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

Top Picks for 1977 Chevrolet K5 Blazer Transmission Solenoids

Invest in one of our 2 durable Transmission Solenoids for your 1977 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

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

Top-Rated Transmission Dipsticks for 1977 Chevrolet K5 Blazers

Make a smart move for your 1977 Chevrolet K5 Blazer with products all priced from $34.49 to $95.99.

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

Top-Rated Automatic Transmission Part Brands For Your 1977 Chevrolet K5 Blazer

When it comes to finding the perfect Automatic Transmission Part for your 1977 Chevrolet K5 Blazer, 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 1977 Chevrolet K5 Blazer, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 1977 Chevrolet K5 Blazer Automatic Transmission Parts

If you’re looking for a top-quality Automatic Transmission Part for your 1977 Chevrolet K5 Blazer, 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 1977 Chevrolet K5 Blazer 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.
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”
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!”

Top-Quality Pro-King 1977 Chevrolet K5 Blazer Automatic Transmission Parts

For those in search of a high-quality Automatic Transmission Part for their 1977 Chevrolet K5 Blazer, 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 1977 Chevrolet K5 Blazer Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1977 Chevrolet K5 Blazers?

Out of 22 Automatic Transmission Parts that fit 1977 Chevrolet K5 Blazers, the following parts are the top sellers:

What’s the price range for 1977 Chevrolet K5 Blazer Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1977 Chevrolet K5 Blazer range from $4.29 up to $337.99 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1977 Chevrolet K5 Blazer?

The average price for Automatic Transmission Parts for the 1977 Chevrolet K5 Blazer is $85.43. 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 Chevrolet K5 Blazer model years?

Yes, we carry Automatic Transmission Parts for 10 model years of Chevrolet K5 Blazers between 1975 and 1986. The following model years are the most popular for Automatic Transmission Part purchases: 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, and 1978.

What are the cheapest Automatic Transmission Parts for my 1977 Chevrolet K5 Blazer?

The cheapest 1977 Chevrolet K5 Blazer Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 1977 Chevrolet models?

What are the top-rated Automatic Transmission Parts that fit the 1977 Chevrolet K5 Blazer?

Based on 183 reviews by customers, our 1977 Chevrolet K5 Blazer Automatic Transmission Parts have an average customer rating of 4 stars. These are the highest-rated categories of Automatic Transmission Parts for the 1977 Chevrolet K5 Blazer and their top-rated products:

What types of Automatic Transmission Parts do you sell for my 1977 Chevrolet K5 Blazer?

As of 3/1/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1977 Chevrolet K5 Blazer:

Can I get help with 1977 Chevrolet K5 Blazer 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 K5 Blazer Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet K5 Blazer Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.