20918645 Genuine GM Air Cleaner Outlet Duct Assembly For Malibu Regal 2.4L

20918645 Genuine GM Air Cleaner Outlet Duct Assembly For Malibu Regal 2.4L

Name: 20918645 Genuine GM Air Cleaner Outlet Duct Assembly For Malibu Regal 2.4L
Brand: GM
SKU: 20918645
Price: 332.00 USD
Availability: InStock

P/N: 20918645 Manufactured by: GM

$332.00 - $332.00

$332.00

$332.00 - $332.00

$332.00

4 in Stock

Condition: New

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Description

The 20918645 is a genuine GM air cleaner outlet duct assembly that carries filtered air from the air intake housing into the engine. It’s built to maintain a tight, sealed path so the 2.4L engine gets consistent, measured airflow under all driving conditions.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2017	Buick Regal	2.4L L4 Flex, 2.4L L4 Gas	Base
2016	Buick LaCrosse	2.4L L4 Electric/Gas	Base, Leather
2016	Buick Regal	2.4L L4 Electric/Gas, 2.4L L4 Flex, 2.4L L4 Gas	Base, Premium
2015	Buick LaCrosse	2.4L L4 Electric/Gas	Base, Leather
2015	Buick Regal	2.4L L4 Electric/Gas, 2.4L L4 Flex	Base, Premium
2014	Buick LaCrosse	2.4L L4 Electric/Gas	Base, Leather
2014	Buick Regal	2.4L L4 Electric/Gas	Base, Premium
2014	Chevrolet Impala	2.4L L4 Electric/Gas	Eco
2014	Chevrolet Malibu	2.4L L4 Electric/Gas	Eco
2013	Buick LaCrosse	2.4L L4 Electric/Gas	Base, Leather
2013	Buick Regal	2.4L L4 Electric/Gas	Base, Premium
2013	Chevrolet Malibu	2.4L L4 Electric/Gas	Eco
2012	Buick LaCrosse	2.4L L4 Electric/Gas	Base, Convenience, Leather, Premium
2012	Buick Regal	2.4L L4 Electric/Gas, 2.4L L4 Flex	Base, Premium
2011	Buick LaCrosse	2.4L L4 Gas	CX, CXL
2011	Buick Regal	2.4L L4 Gas	CXL

General Specifications

Condition	New
Part Number	20918645
Brand	GM
Part Type	Air Cleaner Outlet Duct Assembly
Years	2010–2017
Vehicle	Buick LaCrosse, Regal, Chevrolet Impala, Malibu
Engine	2.4L L4 Electric/Gas, 2.4L L4 Flex, 2.4L L4 Gas
Dimensions	27.9 x 14.3 x 7.3 inches
Weight	4.17 lb

Product Features

The 20918645 air cleaner outlet duct assembly is built to match factory performance and installation requirements:

Directs filtered air from air box into intake system
Designed around 2.4L engine routing and fitment
Keeps intake system sealed against unfiltered air entry
Aligns with factory connection points for proper installation
Maintains steady airflow into the throttle body
Built to GM specifications for correct fit and durability

Application Notes

The 20918645 is used on vehicles equipped with the original intake setup listed above, and it needs to be installed square and fully seated to avoid air leaks. Any gap or loose connection can throw off airflow readings and affect engine operation.

Always verify part number, engine configuration, and intake routing before installation.