61+ 1984 GMC Jimmy Mufflers & Resonators High Sierra Parts - Page 2

High Sierra · Mufflers & Resonators (61 products)

Exact-fit parts for the 1984 GMC Jimmy High Sierra.

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

Victor Reinz

Part # G26748

Fits your car

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

$15.67

MAHLE Original Chevrolet B60 84-83 Exhaust Pipe Packing Ring

Victor Reinz

Part # F7269

Fits your car

MAHLE Original Chevrolet B60 84-83 Exhaust Pipe Packing Ring

$22.09

Cometic Chevrolet Gen-1 Small Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5539-064

Fits your car

Cometic Chevrolet Gen-1 Small Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

$36.20

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

Cometic Gasket

Part # C5894-030

Fits your car

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

$52.20

Fel-Pro

Part # 60985

Fits your car

Fel-Pro Chevrolet Camaro Exhaust Pipe Flange Gasket

$2.97

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.710in x 1.550in Brodix D Ports

Cometic Gasket

Part # C15199

Fits your car

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.710in x 1.550in Brodix D Ports

$35.92

Cometic Chevy Gen-1 Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Part # C5893C

Fits your car

Cometic Chevy Gen-1 Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.625in Round Ports

$53.34

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

Cometic Gasket

Part # C15603-064

Fits your car

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

$41.48

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

Cometic Gasket

Part # C15189C

Fits your car

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

$53.34

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

Cometic Gasket

Part # C5424

Fits your car

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

$30.81

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.450in x 1.480in Rectangle Port

Cometic Gasket

Part # C5892HTS

Fits your car

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.450in x 1.480in Rectangle Port

$36.28

Magnaflow

Part # 3391432

Fits your car

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

$1158.00

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.500in Round Port-23 Deg Head

Cometic Gasket

Part # C5549-064

Fits your car

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.500in Round Port-23 Deg Head

$32.31

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Part # C5893HTG

Fits your car

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

$40.69

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

Cometic Gasket

Part # C5892-030

Fits your car

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

$51.05

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

Cometic Gasket

Part # C5039-030

Fits your car

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

$47.90

Magnaflow

Part # 339106

Fits your car

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

$523.00

Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gasket Set-2.00in Round Port-Hooker/Stahl Bolt Patt

Cometic Gasket

Part # C15200

Fits your car

Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gasket Set-2.00in Round Port-Hooker/Stahl Bolt Patt

$35.92

Fel-Pro

Part # ES75103

Fits your car

Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut

$29.98

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Part # C5893-030

Fits your car

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

$52.20

Frequently Asked Questions

Do these parts fit my 1984 GMC Jimmy High Sierra?

This page groups parts listed for the 1984 GMC Jimmy High Sierra. 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 mufflers & resonators options are available for my 1984 GMC Jimmy High Sierra?

We offer a wide selection of mufflers & resonators parts for the 1984 GMC Jimmy High Sierra. 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 1984 GMC Jimmy High Sierra?

We carry parts from trusted brands including Cometic Gasket, Fel-Pro, Magnaflow, Victor Reinz, and CORSA Performance, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1984 GMC Jimmy High Sierra 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 1984 GMC Jimmy High Sierra 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.

1984 GMC Jimmy(3,757 parts)

1984 GMC Jimmy(3,757 parts)

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Other GMC Jimmy Years

High Sierra · Mufflers & Resonators (61 products)

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

MAHLE Original Chevrolet B60 84-83 Exhaust Pipe Packing Ring

Cometic Chevrolet Gen-1 Small Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

Fel-Pro Chevrolet Camaro Exhaust Pipe Flange Gasket

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.710in x 1.550in Brodix D Ports

Cometic Chevy Gen-1 Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.450in x 1.480in Rectangle Port

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.500in Round Port-23 Deg Head

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gasket Set-2.00in Round Port-Hooker/Stahl Bolt Patt

Fel-Pro Chevrolet K1500 ES 75103 Exhaust Flange Stud and Nut

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

Frequently Asked Questions

Do these parts fit my 1984 GMC Jimmy High Sierra?

What mufflers & resonators options are available for my 1984 GMC Jimmy High Sierra?

What brands make parts for the 1984 GMC Jimmy High Sierra?

How fast do 1984 GMC Jimmy High Sierra parts ship?

What warranty do your 1984 GMC Jimmy High Sierra parts come with?