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Chevrolet K20 Pickup Automatic Transmission Parts

This page brings together automatic transmission parts for the Chevrolet K20 Pickup, covering model years 1960–1986. The range focuses on OE replacement components, including vacuum modulators, sourced from suppliers with broad fitment coverage for this truck. Select your year above and we'll show only the automatic transmission parts that fit your Chevrolet K20 Pickup. Fitment is checked against our vehicle data for every part listed.

1 - 7 of 7 results

Best Seller Free Shipping
Picture of Dorman Transmission Shift Actuator

Dorman Transmission Shift Actuator

42 reviews
Vehicle Specific
from $346
In Stock (10+)
Picture for manufacturer Dorman
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Best Seller Free Shipping
Picture of Standard Motor Products Automatic Transmission Vacuum Modulator

Standard Motor Products Automatic Transmission Vacuum Modulator

55 reviews
Vehicle Specific
from $27
In Stock (10+)
Picture for manufacturer Standard Motor Products
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Best Seller
Picture of ATP YR100 Automatic Transmission Detent Cable End Clip

ATP YR100 Automatic Transmission Detent Cable End Clip

34 reviews
Part: YR100
Vehicle Specific
$5.11
In Stock (5)
Picture for manufacturer ATP
Picture of ACDelco 24235438 GM OE Automatic Transmission Park Pawl Actuator

ACDelco 24235438 GM OE Automatic Transmission Park Pawl Actuator

45 reviews
Part: 24235438
Vehicle Specific
$10.32
In Stock (10+)
Picture for manufacturer ACDelco
Free Shipping
Picture of Standard Motor Products TM15 Transmission Control Solenoid Modulator

Standard Motor Products TM15 Transmission Control Solenoid Modulator

67 reviews
Part: TM15
Vehicle Specific
$87.90
In Stock (10)
Picture for manufacturer Standard Motor Products
Picture of ACDelco 24233361 GM Original Equipment Automatic Transmission Fluid Pump Bolt M8 x 1.25 x 60mm

ACDelco 24233361 GM Original Equipment Automatic Transmission Fluid Pump Bolt M8 x 1.25 x 60mm

11 reviews
Part: 24233361
Vehicle Specific
$9.86
In Stock (10+)
Picture for manufacturer ACDelco
Picture of ACDelco 8628273 Automatic Transmission Accumulator Piston Pin GM OE - 3-4

ACDelco 8628273 Automatic Transmission Accumulator Piston Pin GM OE - 3-4

43 reviews
Part: 8628273
Vehicle Specific
$7.63
In Stock (10+)
Picture for manufacturer ACDelco

What's here for your Chevrolet K20 Pickup

  • Automatic Transmission Vacuum Modulators — OE replacement style components for 1960–1986 model years

The widest selection here comes from Standard Motor Products, ACDelco, ATP, and Hurst, each offering OE replacement coverage across the Chevrolet K20 Pickup's long production run. Other categories Chevrolet K20 Pickup owners shop for: Chevrolet K20 Pickup Springs and Suspension Parts, Chevrolet K20 Pickup Exhaust and Tail Pipes and Chevrolet K20 Pickup Body Frame Parts, or browse all Chevrolet K20 Pickup parts and accessories.