This is the roof mounted antenna for 2006-2008 Buick Lucerne and 2006-2008 Cadillac DTS vehicles. This part is for those vehicles equipped with digital audio. This part mounts on the roof near the rear of the vehicle. Replace your old part with this brand new factory original part from GM at a fraction of the dealer price.

Antenna Base, Digital Radio & M/TEL & VEH LOC(INCLS 2)(WITH TAN 3-CAVITY CONNECTOR

Onstar Antenna Base (2nd Design) w/GPS

2006-2008 Cadillac DTS

2006-2008 Buick Lucerene

GM Part # 15871588

Alternate GM part #'s 25775382 ; 15804329

Item is number 1 in the GM diagram. Also includes the bolt for mounting (number 2 in the diagram)

For: H GPS 1 VEH COMM SYS(UE1),DIGITAL S-BAND AUDIO SYS(U2K) (2007-2008) (2007 - 2008).

For: H GPS 1 VEH COMM SYS(UE1),DIGITAL S-BAND AUDIO SYS(U2K),(2ND DES) (2006-2006) (2006 - 2006).

Model Year Range RPO Code

DTS 2006-2006 K(UE1,U2K)(2ND DES)

DTS 2007-2008 K(UE1,U2K)

DTS Hearse 2006-2006 K(UE1,U2K)(2ND DES)

DTS Hearse 2007-2008 K(UE1,U2K)

DTS Limousine 2006-2006 K(UE1,U2K)(2ND DES)

DTS Limousine 2007-2008 K(UE1,U2K)

Lucerne 2006-2006 H(UE1,U2K)(2ND DES)

Lucerne 2007-2008 H(UE1,U2K)