Filter, air, cowl mounted

Years 2000, 2008–09 Models 4 Factory citations 5

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Also described as Air filter, cowl mounted

Also documented for Buick Oldsmobile Pontiac

Documented applications

Aveo — T200 (2004–2008)

2008 Factory-verified

GM factory document — 2008 chevrolet aveo rpo code list, p.1.

Aveo — T250 (2009–2011)

2009 Factory-verified

GM factory document — 2009 chevrolet aveo rpo code list, p.1.

Impala — eighth generation (2000–2005)

2000 Factory-verified

The 2000 list reads "Filter Air, Cowl Mounted"; order guides (2003 p.116) call it an air filtration system with pollen filter.

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.

Monte Carlo — sixth generation (2000–2007)

2000 Factory-verified

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.

This page aggregates every documented appearance of K11 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.