972+ 2012 Chevrolet Express 3500 Engine & Drivetrain LT Parts

LT · Engine & Drivetrain (954 products)

Exact-fit parts for the 2012 Chevrolet Express 3500 LT.

ACL Chevy V8 LS Gen III/IV Standard Size Main Bearing Set

ACL

Part # 5M7299H-STD

Confirmed Fit

ACL Chevy V8 LS Gen III/IV Standard Size Main Bearing Set

$181.73

Granatelli 96-22 GM LS Tall Valve Cover w/Angled Coil Mounts - Black Wrinkle (Pair)

Granatelli Motor Sports

Part # 640362

Confirmed Fit

Granatelli 96-22 GM LS Tall Valve Cover w/Angled Coil Mounts - Black Wrinkle (Pair)

$229.43

COMP Cams

Part # 54-472-11

Confirmed Fit

COMP Cams Camshaft LS1 293Lrr HR-114

$532.20

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 - 4.000in 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

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

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 # 54-467-11

Confirmed Fit

COMP Cams Camshaft LS1 289Lrb HR-114

$532.20

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

Yukon Gear & Axle

Part # YSPPN-018

Confirmed Fit

Yukon Gear Pinion Nut

$11.89

Dayco

Part # 5061178DR

Fits with Conditions

V-RIBBED, DRIVE RITE TRADITIONAL

$22.44

COMP Cams

Part # 54-457-11

Confirmed Fit

COMP Cams Camshaft LS1 273Lr HR-112

$442.84

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

Fluidampr

Part # 760131-FW03

Confirmed Fit

Fluidampr 2001+ GM/Chevy 6.6L Duramax Harmonic Balancer Friction Washer - 3pc

$149.16

Cometic GM LS Gen-3/4 Camshaft Plate Gasket - With Recessed Bolts

Cometic Gasket

Part # C15031

Confirmed Fit

Cometic GM LS Gen-3/4 Camshaft Plate Gasket - With Recessed Bolts

$37.86

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

Granatelli 06-08 Chevrolet Corvette 8Cyl 6.0L MPG Plus Ignition Wires

Granatelli Motor Sports

Part # 38-1811MPG

Confirmed Fit

Granatelli 06-08 Chevrolet Corvette 8Cyl 6.0L MPG Plus Ignition Wires

$202.14

Yukon Gear Standard Open Carrier Case / GM 9.5in & 9.25in IFS / Loaded

Yukon Gear & Axle

Part # YC G40013506

Confirmed Fit

Yukon Gear Standard Open Carrier Case / GM 9.5in & 9.25in IFS / Loaded

$596.89

Yukon Gear High Performance Gear Set For GM 9.5in in a 4.88 Ratio

Yukon Gear & Axle

Part # YG GM9.5-488

Confirmed Fit

Yukon Gear High Performance Gear Set For GM 9.5in in a 4.88 Ratio

$470.89

Frequently Asked Questions

Do these parts fit my 2012 Chevrolet Express 3500 LT?

This page groups parts listed for the 2012 Chevrolet Express 3500 LT. 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 2012 Chevrolet Express 3500 LT?

We offer a wide selection of engine & drivetrain parts for the 2012 Chevrolet Express 3500 LT. 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 2012 Chevrolet Express 3500 LT?

We carry parts from trusted brands including Cometic Gasket, COMP Cams, Yukon Gear & Axle, King Engine Bearings, and Clevite, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2012 Chevrolet Express 3500 LT 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 2012 Chevrolet Express 3500 LT 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.

2012 Chevrolet Express 3500(3,161 parts)

2012 Chevrolet Express 3500(3,161 parts)

Shop by Problem

Other Chevrolet Express 3500 Years

LT · Engine & Drivetrain (954 products)

ACL Chevy V8 LS Gen III/IV Standard Size Main Bearing Set

Granatelli 96-22 GM LS Tall Valve Cover w/Angled Coil Mounts - Black Wrinkle (Pair)

COMP Cams Camshaft LS1 293Lrr HR-114

COMP Cams Rocker Arm Ultra Gold Arc LS1

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

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

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

COMP Cams Camshaft LS1 289Lrb HR-114

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

Yukon Gear Pinion Nut

V-RIBBED, DRIVE RITE TRADITIONAL

COMP Cams Camshaft LS1 273Lr HR-112

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

Fluidampr 2001+ GM/Chevy 6.6L Duramax Harmonic Balancer Friction Washer - 3pc

Cometic GM LS Gen-3/4 Camshaft Plate Gasket - With Recessed Bolts

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

Granatelli 06-08 Chevrolet Corvette 8Cyl 6.0L MPG Plus Ignition Wires

Yukon Gear Standard Open Carrier Case / GM 9.5in & 9.25in IFS / Loaded

Yukon Gear High Performance Gear Set For GM 9.5in in a 4.88 Ratio

Frequently Asked Questions

Do these parts fit my 2012 Chevrolet Express 3500 LT?

What engine & drivetrain options are available for my 2012 Chevrolet Express 3500 LT?

What brands make parts for the 2012 Chevrolet Express 3500 LT?

How fast do 2012 Chevrolet Express 3500 LT parts ship?

What warranty do your 2012 Chevrolet Express 3500 LT parts come with?