Part Notes: XC90; 3.2L; 2WD; Outer; From Ch. 551449-597532;XC90; 3.2L; 2WD; Outer; To Ch. 551448;XC90; 3.2L; AWD; Outer; From Ch. 551449-597532;XC90; 3.2L; AWD; Outer; To Ch. 551448;XC90; 4.4L; Outer; From Ch. 551449-597532;XC90; 4.4L; Outer; To Ch. 551448