40+ 1986 Chevrolet K20 Exhaust Systems Custom Parts

Custom · Exhaust Systems (40 products)

Exact-fit parts for the 1986 Chevrolet K20 Custom.

Four Seasons

Part # 35345

Fits with Conditions

Flanged Closed CW Blower Motor w/ Wheel

$47.39

Walker Exhaust

Part # 31520

Fits with Conditions

Exhaust Pipe Flange Gasket

$16.67

Manifold Bolt and Spring Kit - 3/8-16 x 3.5 In.

Dorman

Part # 03110

Fits with Conditions

Manifold Bolt and Spring Kit - 3/8-16 x 3.5 In.

$12.91

Exhaust Flange Hardware - Stud, Spring And Nut - 3/8-16 x 4.5 In.

Dorman

Part # 675-209

Fits with Conditions

Exhaust Flange Hardware - Stud, Spring And Nut - 3/8-16 x 4.5 In.

$18.11

Dorman

Part # 03106

Fits with Conditions

Exhaust Stud Kit - 3/8-16 x 3-5/16 In.

$12.84

AP Exhaust

Part # M212

Fits with Conditions

Exhaust Clamp

$6.71

Walker Products

Part # 250-21001

Fits with Conditions

Walker Products 250-21001 Oxygen Sensor 1-W Direct Fit Narrow-Band

$27.83

Federal / EPA Catalytic Converter - Universal

Eastern Catalytic

Part # 70318

Fits with Conditions

Federal / EPA Catalytic Converter - Universal

$121.25

NGK

Part # 21002

Confirmed Fit

NTK OE Type Oxygen Sensor

$27.88

Kooks SB Chevy 2in Steel 23SBC Stahl S.P. Flange (Bank)

Kooks Headers

Part # 7034-SP-2

Confirmed Fit

Kooks SB Chevy 2in Steel 23SBC Stahl S.P. Flange (Bank)

$116.45

Premium Switching-Type Oxygen (O2) Sensors

Bosch

Part # 12014

Fits with Conditions

Premium Switching-Type Oxygen (O2) Sensors

$36.87

Standard Motor Products

Part # S-554

Fits with Conditions

Oxygen Sensor Connector

$15.83

AP Exhaust

Part # M200

Fits with Conditions

Exhaust Clamp

$5.95

Manifold Stud and Spring Kit - 3/8-16 x 4.5 In.

Dorman

Part # 03108

Fits with Conditions

Manifold Stud and Spring Kit - 3/8-16 x 4.5 In.

$12.47

Mahle

Part # F17250S

Fits with Conditions

Exhaust Pipe Flange Gasket

$15.00

Standard Motor Products

Part # HP7340

Fits with Conditions

Oxygen Sensor Connector

$13.89

Standard EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

Walker Exhaust

Part # 15042

Fits with Conditions

Standard EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

$141.45

Kooks SB Chevy 1 7/8in SS 23deg SBC Stahl Flange (Bank)

Kooks Headers

Part # 7034-S

Confirmed Fit

Kooks SB Chevy 1 7/8in SS 23deg SBC Stahl Flange (Bank)

$85.62

Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.

Dorman

Part # 03147

Fits with Conditions

Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.

$13.69

Four Seasons

Part # 35334

Fits with Conditions

Flanged Vented CW Blower Motor w/ Wheel

$39.59

Frequently Asked Questions

Do these parts fit my 1986 Chevrolet K20 Custom?

This page groups parts listed for the 1986 Chevrolet K20 Custom. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What exhaust systems options are available for my 1986 Chevrolet K20 Custom?

We offer a wide selection of exhaust systems parts for the 1986 Chevrolet K20 Custom. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1986 Chevrolet K20 Custom?

We carry parts from trusted brands including Dorman, Reinz, Kooks Headers, Four Seasons, and Standard Motor Products, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1986 Chevrolet K20 Custom parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1986 Chevrolet K20 Custom parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1986 Chevrolet K20(4,485 parts)

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Other Chevrolet K20 Years

1986 Chevrolet K20(4,485 parts)

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Other Chevrolet K20 Years

Custom · Exhaust Systems (40 products)

Flanged Closed CW Blower Motor w/ Wheel

Exhaust Pipe Flange Gasket

Manifold Bolt and Spring Kit - 3/8-16 x 3.5 In.

Exhaust Flange Hardware - Stud, Spring And Nut - 3/8-16 x 4.5 In.

Exhaust Stud Kit - 3/8-16 x 3-5/16 In.

Exhaust Clamp

Walker Products 250-21001 Oxygen Sensor 1-W Direct Fit Narrow-Band

Federal / EPA Catalytic Converter - Universal

NTK OE Type Oxygen Sensor

Kooks SB Chevy 2in Steel 23SBC Stahl S.P. Flange (Bank)

Premium Switching-Type Oxygen (O2) Sensors

Oxygen Sensor Connector

Exhaust Clamp

Manifold Stud and Spring Kit - 3/8-16 x 4.5 In.

Exhaust Pipe Flange Gasket

Oxygen Sensor Connector

Standard EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

Kooks SB Chevy 1 7/8in SS 23deg SBC Stahl Flange (Bank)

Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.

Flanged Vented CW Blower Motor w/ Wheel

Frequently Asked Questions

Do these parts fit my 1986 Chevrolet K20 Custom?

What exhaust systems options are available for my 1986 Chevrolet K20 Custom?

What brands make parts for the 1986 Chevrolet K20 Custom?

How fast do 1986 Chevrolet K20 Custom parts ship?

What warranty do your 1986 Chevrolet K20 Custom parts come with?