1979 Chevrolet K20 Transmission Modulator Valves

Your 1979 Chevrolet K20 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Transmission Modulator Valves you desperately need.

We currently carry 6 Transmission Modulator Valves to choose from for your 1979 Chevrolet K20, and our inventory prices range from as little as $17.99 up to $48.99.

On top of low prices, Advance Auto Parts offers 4 different trusted brands of Transmission Modulator Valves for the 1979 Chevrolet K20. We only sell parts from trusted brands like Pro-King so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 96 reviews on our Transmission Modulator Valves for the 1979 Chevrolet K20 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Transmission Modulator Valves stock in-person!

Transmission Modulator Valves for Your 1979 Chevrolet K20

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

Automatic Transmission Vacuum Modulator

from

$34.49
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

$33.49
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
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B & M – Modulator (Part No.20234)

Modulator

from

$43.99
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

$48.99
AT MODULATOR VALVE

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

AT MODULATOR VALVE

from

$17.99
AT MODULATOR VALVE

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

Automatic Transmission Modulator Valve

from

$45.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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FAQs for 1979 Chevrolet K20 Transmission Modulator Valves

What are the most popular Transmission Modulator Valves for the 1979 Chevrolet K20?

With 4 brands you can trust, our most popular Transmission Modulator Valves for the 1979 Chevrolet K20 parts are:
Automatic Transmission Vacuum Modulator
from $34.49
(11)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves
Automatic Transmission Vacuum Modulator
from $33.49
(11)
Automatic Transmission Vacuum Modulator
Transmission Modulator Valves
AT MODULATOR VALVE
from $48.99
This product is not rated
AT MODULATOR VALVE
Transmission Modulator Valves

What are the best aftermarket Transmission Modulator Valves for the 1979 Chevrolet K20?

See what past customers had to say about our highest-rated Transmission Modulator Valves for the 1979 Chevrolet K20:
Modulator
from $43.99
(2)
Modulator
“Great product. Worked perfectly”