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Chevrolet K20 Transmission Service Kits

Transmission service kits for the Chevrolet K20 cover model years 1968–1987 and include everything from filter kits and overhaul kits to shift kits and mount kits. Choose your model year above and this page keeps only the transmission service kits that fit your Chevrolet K20. Each listing is matched to our vehicle fitment data before it appears here.

1 - 30 of 52 results

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Picture of B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed

B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed

93 reviews
Part: 80775
Vehicle Specific
$299.95
In Stock (10+)
Picture for manufacturer B&M
Best Seller Free Shipping
Picture of B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount

B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount

25 reviews
Part: 80683
Vehicle Specific
$509.95
In Stock (10+)
Picture for manufacturer B&M
Best Seller Free Shipping
Picture of B&M 80675 StarShifter Automatic Transmission Ratchet Shifter

B&M 80675 StarShifter Automatic Transmission Ratchet Shifter

34 reviews
Part: 80675
Vehicle Specific
$363.95
In Stock (10+)
Picture for manufacturer B&M
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Picture of B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks

B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks

26 reviews
Part: 80680
Vehicle Specific
$561.95
In Stock (10+)
Picture for manufacturer B&M
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Picture of B&M Magnum Grip Stealth Pro Ratchet Automatic Shifter

B&M Magnum Grip Stealth Pro Ratchet Automatic Shifter

59 reviews
Vehicle Specific
from $550
In Stock (10+)
Picture for manufacturer B&M
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Picture of B&M 81050 Magnum Grip Street Bandit Automatic Gated Shifter

B&M 81050 Magnum Grip Street Bandit Automatic Gated Shifter

22 reviews
Part: 81050
Vehicle Specific
$629.95
1 left at this price
Picture for manufacturer B&M
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Picture of B&M 80690 MegaShifter Automatic Ratchet Shifter for 3-4 Speed Transmissions

B&M 80690 MegaShifter Automatic Ratchet Shifter for 3-4 Speed Transmissions

15 reviews
Part: 80690
Vehicle Specific
$549.95
In Stock (10+)
Picture for manufacturer B&M
Picture of TCI Auto 240900 Breakaway Torque Converter TH350/TH400 Dual Pattern

TCI Auto 240900 Breakaway Torque Converter TH350/TH400 Dual Pattern

35 reviews
Part: 240900
Vehicle Specific
$549.95
In Stock (6)
Picture for manufacturer TCI Auto
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Picture of B&M 80885 Hammer Automatic Ratchet Shifter

B&M 80885 Hammer Automatic Ratchet Shifter

32 reviews
Part: 80885
Vehicle Specific
$399.95
In Stock (10+)
Picture for manufacturer B&M
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Picture of B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator

B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator

13 reviews
Part: 80776
Vehicle Specific
$379.95
1 left at this price
Picture for manufacturer B&M
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Picture of B&M Pro Ratchet Automatic Shifter

B&M Pro Ratchet Automatic Shifter

66 reviews
Vehicle Specific
from $461
In Stock (10+)
Picture for manufacturer B&M
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Picture of Hurst Pro-Matic 2 Ratchet Action Automatic Shifter

Hurst Pro-Matic 2 Ratchet Action Automatic Shifter

63 reviews
Vehicle Specific
from $260
In Stock (10+)
Picture for manufacturer Hurst
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Picture of Hurst Pistol-Grip Quarter Stick Automatic Shifter Kit

Hurst Pistol-Grip Quarter Stick Automatic Shifter Kit

36 reviews
Vehicle Specific
from $310
In Stock (10+)
Picture for manufacturer Hurst
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Picture of ATP JX-150 Universal In-Line Filter 5/16 Inch Plastic Body

ATP JX-150 Universal In-Line Filter 5/16 Inch Plastic Body

38 reviews
Part: JX150
Vehicle Specific
$19.39
In Stock (6)
Picture for manufacturer ATP
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Picture of B&M 80797 Street Bandit Automatic Gated Shifter

B&M 80797 Street Bandit Automatic Gated Shifter

29 reviews
Part: 80797
Vehicle Specific
$629.95
1 left at this price
Picture for manufacturer B&M
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Picture of B&M 80685 MegaShifter Automatic Ratchet Shifter Right Hand Drive

B&M 80685 MegaShifter Automatic Ratchet Shifter Right Hand Drive

42 reviews
Part: 80685
Vehicle Specific
$529.95
In Stock (10+)
Picture for manufacturer B&M
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Picture of ATP Automatic Transmission Master Repair Kit

ATP Automatic Transmission Master Repair Kit

59 reviews
Vehicle Specific
from $112
In Stock (10+)
Picture for manufacturer ATP
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Picture of ATP Automatic Transmission Master Repair Kit Plus

ATP Automatic Transmission Master Repair Kit Plus

25 reviews
Vehicle Specific
from $138
In Stock (10+)
Picture for manufacturer ATP
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Picture of B&M 80681 Z-Gate Automatic Gated Shifter with Reverse Lockout

B&M 80681 Z-Gate Automatic Gated Shifter with Reverse Lockout

76 reviews
Part: 80681
Vehicle Specific
$299.95
In Stock (10+)
Picture for manufacturer B&M
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Picture of Hurst Quarter Stick Automatic Performance Shifter

Hurst Quarter Stick Automatic Performance Shifter

36 reviews
Vehicle Specific
from $260
In Stock (10+)
Picture for manufacturer Hurst
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Picture of Transgo Performance Reprogramming Shift Kit

Transgo Performance Reprogramming Shift Kit

45 reviews
Vehicle Specific
from $49
In Stock (10+)
Picture for manufacturer Transgo Performance
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Picture of ATP Automatic Transmission Filter

ATP Automatic Transmission Filter

24 reviews
Vehicle Specific
from $7
In Stock (10+)
Picture for manufacturer ATP
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Picture of B&M 21041 Master Overhaul Kit for TH400 Transmission

B&M 21041 Master Overhaul Kit for TH400 Transmission

18 reviews
Part: 21041
Vehicle Specific
$478.95
In Stock (10+)
Picture for manufacturer B&M
Free Shipping
Picture of WIX Racing Filters Automatic Transmission Filter Kit

WIX Racing Filters Automatic Transmission Filter Kit

45 reviews
Vehicle Specific
from $9
In Stock (10+)
Picture for manufacturer WIX Racing Filters
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Picture of Transgo Performance 350-3 Reprogramming Kit Manual Shift Control Valve Body Shift Kit

Transgo Performance 350-3 Reprogramming Kit Manual Shift Control Valve Body Shift Kit

41 reviews
Part: 350-3
Vehicle Specific
$130.06
2 left at this price
Picture for manufacturer Transgo Performance
Free Shipping
Picture of B&M Shift Improver Kit for GM Transmissions

B&M Shift Improver Kit for GM Transmissions

32 reviews
Vehicle Specific
from $74
In Stock (10+)
Picture for manufacturer B&M
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Picture of WIX Racing Filters Automatic Transmission Filter Kit with Gasket

WIX Racing Filters Automatic Transmission Filter Kit with Gasket

77 reviews
Vehicle Specific
from $7
In Stock (10+)
Picture for manufacturer WIX Racing Filters
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Picture of ATP Automatic Transmission Filter Kit

ATP Automatic Transmission Filter Kit

25 reviews
Vehicle Specific
from $6
In Stock (10+)
Picture for manufacturer ATP
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Picture of ATP Inline Magnetic Transmission Filter Double Barb

ATP Inline Magnetic Transmission Filter Double Barb

11 reviews
Vehicle Specific
from $25
4 left at this price
Picture for manufacturer ATP
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Picture of SKF 480050 Automatic Transmission Shift Shaft Repair Sleeve Kit

SKF 480050 Automatic Transmission Shift Shaft Repair Sleeve Kit

16 reviews
Part: 480050
Vehicle Specific
$21.59
In Stock (10+)
Picture for manufacturer SKF

What's here for your Chevrolet K20

  • Automatic Transmission Filter Kits
  • Automatic Transmission Shift Lever Kits
  • Automatic Transmission Shift Kits
  • Automatic Transmission Overhaul Kits
  • Automatic Transmission Mount Kits

The widest selection here comes from ATP, B&M, Prothane, and Transgo Performance, covering a range of kit styles including universal-fit and gasket-inclusive options in materials such as black rubber and performance-grade components. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.