46+ 1989 GMC R2500 Suburban Exhaust Systems Sierra Classic Parts

Sierra Classic · Exhaust Systems (46 products)

Exact-fit parts for the 1989 GMC R2500 Suburban Sierra Classic.

Exhaust Flange Spring - 0.50 In. ID x .75 In. OD x 1.13 In. Length

Dorman

Part # 03080

Fits with Conditions

Exhaust Flange Spring - 0.50 In. ID x .75 In. OD x 1.13 In. Length

$9.53

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

Standard Motor Products

Part # HP7340

Fits with Conditions

Oxygen Sensor Connector

$13.89

AP Exhaust

Part # M212

Fits with Conditions

Exhaust Clamp

$6.71

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

Standard Motor Products

Part # AT160

Fits with Conditions

MANIFOLD AIR TUBE

$121.25

Walker Products

Part # 350-31027

Fits with Conditions

Walker Products 350-31027 Oxygen Sensor 1-W Direct Fit Narrow-Band

$31.89

Flanged Vented CW Blower Motor w/o Wheel

Four Seasons

Part # 35472

Fits with Conditions

Flanged Vented CW Blower Motor w/o Wheel

$40.35

Standard Motor Products

Part # AT163

Fits with Conditions

MANIFOLD AIR TUBE

$38.60

Federal / EPA Direct-Fit Converter Assembly

Eastern Catalytic

Part # 50298

Fits with Conditions

Federal / EPA Direct-Fit Converter Assembly

$316.61

AP Exhaust

Part # H300

Fits with Conditions

Exhaust Clamp

$9.10

Standard Motor Products

Part # AT161

Fits with Conditions

MANIFOLD AIR TUBE

$163.03

Federal / EPA Catalytic Converter - Universal Pre-OBDII Super Duty

AP Exhaust

Part # 606007

Fits with Conditions

Federal / EPA Catalytic Converter - Universal Pre-OBDII Super Duty

$257.08

Delphi

Part # ES10966

Fits with Conditions

Oxygen Sensor

$21.41

Four Seasons

Part # 35334

Fits with Conditions

Flanged Vented CW Blower Motor w/ Wheel

$39.59

Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)

Kooks Headers

Part # 7042-AS

Confirmed Fit

Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)

$104.90

Standard EPA Direct Fit Catalytic Converter 3" Inlet (ID) 3" Outlet (OD)

Walker Exhaust

Part # 15693

Fits with Conditions

Standard EPA Direct Fit Catalytic Converter 3" Inlet (ID) 3" Outlet (OD)

$195.52

Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In.

Dorman

Part # 03084

Fits with Conditions

Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In.

$10.29

Standard Motor Products

Part # AT162

Fits with Conditions

MANIFOLD AIR TUBE

$61.86

Frequently Asked Questions

Do these parts fit my 1989 GMC R2500 Suburban Sierra Classic?

This page groups parts listed for the 1989 GMC R2500 Suburban Sierra Classic. 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 1989 GMC R2500 Suburban Sierra Classic?

We offer a wide selection of exhaust systems parts for the 1989 GMC R2500 Suburban Sierra Classic. 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 1989 GMC R2500 Suburban Sierra Classic?

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

How fast do 1989 GMC R2500 Suburban Sierra Classic 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 1989 GMC R2500 Suburban Sierra Classic 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.

1989 GMC R2500 Suburban(3,771 parts)

1989 GMC R2500 Suburban(3,771 parts)

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Other GMC R2500 Suburban Years

Sierra Classic · Exhaust Systems (46 products)

Exhaust Flange Spring - 0.50 In. ID x .75 In. OD x 1.13 In. Length

Exhaust Pipe Flange Gasket

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

Oxygen Sensor Connector

Exhaust Clamp

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

MANIFOLD AIR TUBE

Walker Products 350-31027 Oxygen Sensor 1-W Direct Fit Narrow-Band

Flanged Vented CW Blower Motor w/o Wheel

MANIFOLD AIR TUBE

Federal / EPA Direct-Fit Converter Assembly

Exhaust Clamp

MANIFOLD AIR TUBE

Federal / EPA Catalytic Converter - Universal Pre-OBDII Super Duty

Oxygen Sensor

Flanged Vented CW Blower Motor w/ Wheel

Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)

Standard EPA Direct Fit Catalytic Converter 3" Inlet (ID) 3" Outlet (OD)

Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In.

MANIFOLD AIR TUBE

Frequently Asked Questions

Do these parts fit my 1989 GMC R2500 Suburban Sierra Classic?

What exhaust systems options are available for my 1989 GMC R2500 Suburban Sierra Classic?

What brands make parts for the 1989 GMC R2500 Suburban Sierra Classic?

How fast do 1989 GMC R2500 Suburban Sierra Classic parts ship?

What warranty do your 1989 GMC R2500 Suburban Sierra Classic parts come with?