472+ 2018 Chevrolet Suburban 3500 HD Engine & Drivetrain LS Parts

LS · Engine & Drivetrain (472 products)

Exact-fit parts for the 2018 Chevrolet Suburban 3500 HD LS.

Cometic GM LS Gen-3/4 Small Block V8 .140in MLS Cylinder Head Gasket - 4.100in Bore

Cometic Gasket

Part # C5489-140

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .140in MLS Cylinder Head Gasket - 4.100in Bore

$249.06

COMP Cams

Part # 19025-1

Confirmed Fit

COMP Cams Rocker Arm Ultra Gold Arc LS1

$72.41

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.160in Bore

Cometic Gasket

Part # C5318-098

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.160in Bore

$143.45

Cometic GM LS Gen-3/4 Small Block V8 .092in MLS Cylinder Head Gasket - 4.000in Bore

Cometic Gasket

Part # C5477-092

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .092in MLS Cylinder Head Gasket - 4.000in Bore

$143.45

COMP Cams

Part # 54-457-11

Confirmed Fit

COMP Cams Camshaft LS1 273Lr HR-112

$442.84

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.000in Bore

Cometic Gasket

Part # C5477-098

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.000in Bore

$143.45

COMP Cams

Part # 54-467-11

Confirmed Fit

COMP Cams Camshaft LS1 289Lrb HR-114

$532.20

COMP Cams

Part # 189-400-13

Confirmed Fit

COMP Cams Camshaft GM LS 358 Vvt 263Pii

$616.44

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

ACL

Part # 5M7299H-020

Confirmed Fit

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

$181.73

COMP Cams

Part # CL54-412-11

Confirmed Fit

COMP Cams Cam & Lifter Kit LS1 XR265HR

$869.81

Cometic GM LS1 SB 4.190 inch Bore .045 inch MLS Head Gasket

Cometic Gasket

Part # C5319-045

Confirmed Fit

Cometic GM LS1 SB 4.190 inch Bore .045 inch MLS Head Gasket

$97.74

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

Cometic Gasket

Part # C5318-056

Confirmed Fit

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

$131.62

Cometic GM LS1 SB 4.000 inch Bore .040 inch MLS Head Gasket

Cometic Gasket

Part # C5477-040

Confirmed Fit

Cometic GM LS1 SB 4.000 inch Bore .040 inch MLS Head Gasket

$97.74

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

Cometic Gasket

Part # C5751-036

Confirmed Fit

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

$97.74

Cometic GM LS Gen-3/4 Small Block V8 .027in MLS Cylinder Head Gasket - 4.100in Bore

Cometic Gasket

Part # C5489-027

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .027in MLS Cylinder Head Gasket - 4.100in Bore

$97.74

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

Cometic Gasket

Part # C5751-040

Confirmed Fit

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

$97.74

Cometic GM LS Gen-3/4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.130in Bore

Cometic Gasket

Part # C5317-089

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.130in Bore

$143.45

COMP Cams

Part # 54-472-11

Confirmed Fit

COMP Cams Camshaft LS1 293Lrr HR-114

$532.20

Cometic GM LS1 SB 4.160 inch Bore .080 inch MLS-5 Head Gasket

Cometic Gasket

Part # C5318-080

Confirmed Fit

Cometic GM LS1 SB 4.160 inch Bore .080 inch MLS-5 Head Gasket

$143.45

King Engine Bearings

Part # CR807SISTDX

Confirmed Fit

King Engine Bearings Chevrolet SBC 307Ci 350Ci & Gen Iii/Iv (Size STDX) Connecting Rod Bearing Set

$32.24

Frequently Asked Questions

Do these parts fit my 2018 Chevrolet Suburban 3500 HD LS?

This page groups parts listed for the 2018 Chevrolet Suburban 3500 HD LS. 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 engine & drivetrain options are available for my 2018 Chevrolet Suburban 3500 HD LS?

We offer a wide selection of engine & drivetrain parts for the 2018 Chevrolet Suburban 3500 HD LS. 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 2018 Chevrolet Suburban 3500 HD LS?

We carry parts from trusted brands including COMP Cams, Cometic Gasket, King Engine Bearings, ACL, and Fel-Pro, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2018 Chevrolet Suburban 3500 HD LS 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 2018 Chevrolet Suburban 3500 HD LS 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.

2018 Chevrolet Suburban 3500 HD(1,443 parts)

2018 Chevrolet Suburban 3500 HD(1,443 parts)

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Other Chevrolet Suburban 3500 HD Years

LS · Engine & Drivetrain (472 products)

Cometic GM LS Gen-3/4 Small Block V8 .140in MLS Cylinder Head Gasket - 4.100in Bore

COMP Cams Rocker Arm Ultra Gold Arc LS1

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.160in Bore

Cometic GM LS Gen-3/4 Small Block V8 .092in MLS Cylinder Head Gasket - 4.000in Bore

COMP Cams Camshaft LS1 273Lr HR-112

Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.000in Bore

COMP Cams Camshaft LS1 289Lrb HR-114

COMP Cams Camshaft GM LS 358 Vvt 263Pii

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

COMP Cams Cam & Lifter Kit LS1 XR265HR

Cometic GM LS1 SB 4.190 inch Bore .045 inch MLS Head Gasket

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

Cometic GM LS1 SB 4.000 inch Bore .040 inch MLS Head Gasket

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

Cometic GM LS Gen-3/4 Small Block V8 .027in MLS Cylinder Head Gasket - 4.100in Bore

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

Cometic GM LS Gen-3/4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.130in Bore

COMP Cams Camshaft LS1 293Lrr HR-114

Cometic GM LS1 SB 4.160 inch Bore .080 inch MLS-5 Head Gasket

King Engine Bearings Chevrolet SBC 307Ci 350Ci & Gen Iii/Iv (Size STDX) Connecting Rod Bearing Set

Frequently Asked Questions

Do these parts fit my 2018 Chevrolet Suburban 3500 HD LS?

What engine & drivetrain options are available for my 2018 Chevrolet Suburban 3500 HD LS?

What brands make parts for the 2018 Chevrolet Suburban 3500 HD LS?

How fast do 2018 Chevrolet Suburban 3500 HD LS parts ship?

What warranty do your 2018 Chevrolet Suburban 3500 HD LS parts come with?