20911204 Genuine GM Alternator For Silverado Sierra 6.0L 6.6L

Name: 20911204 Genuine GM Alternator For Silverado Sierra 6.0L 6.6L
Brand: GM
Price: 459.00 USD
Availability: InStock

P/N: 20911204 Manufactured by: GM

$459.00 - $459.00

$459.00

$459.00 - $459.00

$459.00

5 in Stock

Condition: New

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Description

The 20911204 alternator is a GM factory charging assembly designed for Chevrolet, GMC, and similar heavy-duty vehicles equipped with gasoline and diesel engine configurations. It delivers consistent electrical output to maintain battery charge and ensure stable operation of vehicle systems during use.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2014	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2014	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2014	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2014	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2014	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2014	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2013	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2013	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2013	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2013	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2013	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2013	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2012	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2012	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2012	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2012	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2012	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2012	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2011	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2011	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2011	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2011	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2011	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2011	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2010	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2010	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2010	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2010	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2010	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2010	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2009	Chevrolet Express	4.3L V6, 5.3L V8	1/2 Ton Cargo
2009	GMC Savana	4.3L V6, 5.3L V8	1/2 Ton Cargo
2008	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2008	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2008	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2008	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton
2007	Chevrolet Silverado	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	Crew Cab 1 Ton
2007	Chevrolet Suburban	6.0L V8, 6.0L Flex V8	3/4 Ton
2007	GMC Sierra	6.0L V8, 6.0L Flex V8, 6.6L Diesel V8	1 Ton Crew Cab
2007	GMC Yukon	6.0L V8, 6.0L Flex V8	3/4 Ton, XL 3/4 Ton

General Specifications

Condition	New
Part Number	20911204
Brand	GM
Part Type	Alternator
Years	2007–2014
Fitment Type	Direct replacement
Weight	13.90 lb
Dimensions	10.8 x 9.2 x 8.9 inches

Product Features

The 20911204 alternator is built to match factory performance and installation requirements:

Engineered for GM heavy-duty truck and van charging systems
Supports electrical requirements of gasoline and diesel engines
Provides steady output for battery charging and onboard systems
Matches original mounting points and electrical connections
Designed for compatibility with 6.0L and 6.6L engine applications
Built to maintain proper charging system function under load

Application Notes

The 20911204 alternator is intended for GM trucks, vans, and SUVs equipped with the engines listed above and factory charging systems. Proper installation ensures correct electrical performance and system operation.

Always verify part number, engine type, and vehicle configuration before installation.