823+ 2005 Chevrolet Avalanche 1500 Engine & Drivetrain Z66 Parts

Z66 · Engine & Drivetrain (792 products)

Exact-fit parts for the 2005 Chevrolet Avalanche 1500 Z66.

Nitrous Express

Part # 15731

Confirmed Fit

Nitrous Express GM LS Solenoid Bracket (Passenger Side Throttle Body)

$62.26

NGK Cadillac Escalade 2005-2003 Direct Fit Oxygen Sensor

NGK

Part # 21546

Confirmed Fit

NGK Cadillac Escalade 2005-2003 Direct Fit Oxygen Sensor

$65.10

Nitrous Express

Part # 15768

Confirmed Fit

Nitrous Express Solenoid Mounting Bracket for LS Engine Intake Manifold

$78.27

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

Nitrous Express

Part # NP934

Confirmed Fit

Nitrous Express 90mm 4 Bolt LS Nitrous Plate Only

$334.62

Nitrous Express

Part # 20935JP

Confirmed Fit

Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit Jet Pack 50-400 HP

$103.41

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 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

COMP Cams

Part # 54-467-11

Confirmed Fit

COMP Cams Camshaft LS1 289Lrb HR-114

$532.20

Yukon Gear Standard Open Carrier Case / GM 00-06 GM 8.6in V2

Yukon Gear & Axle

Part # YC G40007876V2

Confirmed Fit

Yukon Gear Standard Open Carrier Case / GM 00-06 GM 8.6in V2

$300.89

Nitrous Express

Part # 20935-15

Confirmed Fit

Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/15lb Bottle

$1065.18

Yukon Gear & Axle

Part # YSPPN-018

Confirmed Fit

Yukon Gear Pinion Nut

$11.89

Cometic GM LS1 SB 3.910 inch Bore .080 inch MLS-5 Head Gasket

Cometic Gasket

Part # C5475-080

Confirmed Fit

Cometic GM LS1 SB 3.910 inch Bore .080 inch MLS-5 Head Gasket

$143.45

COMP Cams

Part # 54-457-11

Confirmed Fit

COMP Cams Camshaft LS1 273Lr HR-112

$442.84

Yukon Gear Yoke For 8.5in or 8.6in GM (Mech 3R) w/ A U/Joint Size and Triple Lip Design

Yukon Gear & Axle

Part # YY GM12470387

Confirmed Fit

Yukon Gear Yoke For 8.5in or 8.6in GM (Mech 3R) w/ A U/Joint Size and Triple Lip Design

$164.89

Yukon Gear Minor install Kit For GM 8.6in Rear Diff

Yukon Gear & Axle

Part # MK GM8.6

Confirmed Fit

Yukon Gear Minor install Kit For GM 8.6in Rear Diff

$89.89

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 LS Gen-3/4 Small Block V8 .056in MLS Cylinder Head Gasket - 3.910in Bore

Cometic Gasket

Part # C5475-056

Confirmed Fit

Cometic GM LS Gen-3/4 Small Block V8 .056in MLS Cylinder Head Gasket - 3.910in Bore

$131.62

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

Yukon Gear & Axle

Part # YGK2022

Confirmed Fit

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

$878.89

Frequently Asked Questions

Do these parts fit my 2005 Chevrolet Avalanche 1500 Z66?

This page groups parts listed for the 2005 Chevrolet Avalanche 1500 Z66. 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 2005 Chevrolet Avalanche 1500 Z66?

We offer a wide selection of engine & drivetrain parts for the 2005 Chevrolet Avalanche 1500 Z66. 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 2005 Chevrolet Avalanche 1500 Z66?

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

How fast do 2005 Chevrolet Avalanche 1500 Z66 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 2005 Chevrolet Avalanche 1500 Z66 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.

2005 Chevrolet Avalanche 1500(3,448 parts)

2005 Chevrolet Avalanche 1500(3,448 parts)

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Other Chevrolet Avalanche 1500 Years

Z66 · Engine & Drivetrain (792 products)

Nitrous Express GM LS Solenoid Bracket (Passenger Side Throttle Body)

NGK Cadillac Escalade 2005-2003 Direct Fit Oxygen Sensor

Nitrous Express Solenoid Mounting Bracket for LS Engine Intake Manifold

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

Nitrous Express 90mm 4 Bolt LS Nitrous Plate Only

Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit Jet Pack 50-400 HP

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

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

COMP Cams Camshaft LS1 289Lrb HR-114

Yukon Gear Standard Open Carrier Case / GM 00-06 GM 8.6in V2

Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/15lb Bottle

Yukon Gear Pinion Nut

Cometic GM LS1 SB 3.910 inch Bore .080 inch MLS-5 Head Gasket

COMP Cams Camshaft LS1 273Lr HR-112

Yukon Gear Yoke For 8.5in or 8.6in GM (Mech 3R) w/ A U/Joint Size and Triple Lip Design

Yukon Gear Minor install Kit For GM 8.6in Rear Diff

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

Cometic GM LS Gen-3/4 Small Block V8 .056in MLS Cylinder Head Gasket - 3.910in Bore

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

Frequently Asked Questions

Do these parts fit my 2005 Chevrolet Avalanche 1500 Z66?

What engine & drivetrain options are available for my 2005 Chevrolet Avalanche 1500 Z66?

What brands make parts for the 2005 Chevrolet Avalanche 1500 Z66?

How fast do 2005 Chevrolet Avalanche 1500 Z66 parts ship?

What warranty do your 2005 Chevrolet Avalanche 1500 Z66 parts come with?