53+ 1987 GMC R3500 Mufflers & Resonators High Sierra Parts - Page 2

High Sierra · Mufflers & Resonators (53 products)

Exact-fit parts for the 1987 GMC R3500 High Sierra.

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in AM Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5348

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in AM Exhaust Manifold Gasket Set

$46.58

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5896C

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set

$53.34

Cometic Chevy Mark-IV-GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gskt Set-2.130in Round Ports

Cometic Gasket

Part # C5996-030

Confirmed Fit

Cometic Chevy Mark-IV-GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gskt Set-2.130in Round Ports

$54.48

Cometic Chevrolet Big Block V8 .060in. HTS Exh Mani Gasket Set - 2.090in. x 2.090in. Square Ports

Cometic Gasket

Part # C15325HTS

Confirmed Fit

Cometic Chevrolet Big Block V8 .060in. HTS Exh Mani Gasket Set - 2.090in. x 2.090in. Square Ports

$35.97

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5897-060

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

$85.52

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Walker Exhaust

Part # 21910

Fits with Conditions

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

$77.11

Magnaflow

Part # 93476

Confirmed Fit

MagnaFlow Conv DF Gm

$296.00

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5897HTS

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

$34.76

Magnaflow

Part # 333006

Confirmed Fit

MagnaFlow Conv Universal 2.5 inch T2 Front

$368.00

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5896HTG

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

$38.12

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

Cometic Gasket

Part # C5349-064

Confirmed Fit

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

$46.58

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Walker Exhaust

Part # 18274

Fits with Conditions

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

$46.53

Fel-Pro

Part # 60584

Confirmed Fit

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

$10.96

Magnaflow

Part # 334006

Confirmed Fit

MagnaFlow Conv Univ 2.5inch T2 Rear

$219.00

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

Cometic Gasket

Part # C5084-030

Confirmed Fit

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

$54.48

Fel-Pro

Part # ES75103

Confirmed Fit

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

$29.98

MAHLE Original Chevrolet Astro 87-85 Exhaust Pipe Packing Ring

Victor Reinz

Part # F7447

Confirmed Fit

MAHLE Original Chevrolet Astro 87-85 Exhaust Pipe Packing Ring

$22.80

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

Cometic Gasket

Part # CP5251

Confirmed Fit

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

$210.88

Magnaflow

Part # 95509

Confirmed Fit

MagnaFlow Conv Univ 3inch FED

$285.00

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

Cometic Gasket

Part # C5418-064

Confirmed Fit

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

$30.81

Frequently Asked Questions

Do these parts fit my 1987 GMC R3500 High Sierra?

This page groups parts listed for the 1987 GMC R3500 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 1987 GMC R3500 High Sierra?

We offer a wide selection of mufflers & resonators parts for the 1987 GMC R3500 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 1987 GMC R3500 High Sierra?

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

How fast do 1987 GMC R3500 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 1987 GMC R3500 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.

1987 GMC R3500(4,507 parts)

1987 GMC R3500(4,507 parts)

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Other GMC R3500 Years

High Sierra · Mufflers & Resonators (53 products)

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in AM Exhaust Manifold Gasket Set

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set

Cometic Chevy Mark-IV-GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gskt Set-2.130in Round Ports

Cometic Chevrolet Big Block V8 .060in. HTS Exh Mani Gasket Set - 2.090in. x 2.090in. Square Ports

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

MagnaFlow Conv DF Gm

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

MagnaFlow Conv Universal 2.5 inch T2 Front

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

MagnaFlow Conv Univ 2.5inch T2 Rear

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

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

MAHLE Original Chevrolet Astro 87-85 Exhaust Pipe Packing Ring

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

MagnaFlow Conv Univ 3inch FED

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

Frequently Asked Questions

Do these parts fit my 1987 GMC R3500 High Sierra?

What mufflers & resonators options are available for my 1987 GMC R3500 High Sierra?

What brands make parts for the 1987 GMC R3500 High Sierra?

How fast do 1987 GMC R3500 High Sierra parts ship?

What warranty do your 1987 GMC R3500 High Sierra parts come with?