Notes: MKS; 3.5L;MKS; 3.7L; AWD;MKS; 3.7L; FWD; Without AWD, 2009-12, With 3.5 L; When replacing shock absorber, a new shock mount may be required.;Without AWD, 2009-12, With 3.7 L; When replacing shock absorber, a new shock mount may be required.; With AWD, 2009-12