GM OEM GPS Antenna Assembly – Part #20850446 (Also Replaces 15837587)
This listing is for one (1) new genuine OEM GM GPS antenna assembly. Designed for factory navigation systems, this antenna ensures accurate signal reception and reliable performance.
Part Numbers:
GM# 20850446
Replaces: 15837587
Fitment:
- Buick Rainier 2006–2007
- Cadillac Escalade 2006–2010
- Chevrolet Avalanche 2006–2010
- Chevrolet Silverado 1500 / 2500 / 3500 2006–2010
- Chevrolet Silverado Classic 2007
- Chevrolet SSR 2006
- Chevrolet Suburban 1500 / 2500 2006–2010
- Chevrolet Tahoe 2006–2010
- Chevrolet TrailBlazer 2006–2009
- GMC Envoy 2006–2009
- GMC Sierra 1500 / 2500 / 3500 2006–2010
- GMC Sierra Classic 2007
- GMC Yukon / Yukon XL 1500 / 2500 2006–2010
- Isuzu Ascender 2006–2008
- Saab 9-7X 2006–2009
Important:
Please verify compatibility using your VIN number before purchase to ensure proper fitment.
Features:
- Genuine OEM GM part
- Designed for factory navigation systems
- Reliable GPS signal reception
- Direct replacement – no modifications required
Product Specification
- Brand : General Motors
- Condition : NEW
- Estimated Handling Time (Days) : 1
- Genuine OEM : TRUE
- Height : 6
- Interchange Part Number : 20850446; 15837587
- Length : 4
- MPN : 20850446
- UPC : 760999010953
- Width : 4
Applications
2006-2006 Chevrolet AVALANCHE SUV Base (w/ RPO EU1; wo/ RPO U2K)2006-2006 Chevrolet Silverado 2500 Base (w/ RPO EU1; wo/ RPO U2K)
2006-2006 Chevrolet Silverado 3500 Base (w/ RPO EU1; wo/ RPO U2K)
2006-2006 GMC Sierra C3 (w/ RPO EU1; wo/ RPO U2K)
2006-2006 GMC YUKON 4DR Base (w/ RPO EU1; wo/ RPO U2K)
2006-2006 Oldsmobile BRAVADA (w/ RPO EU1; wo/ RPO U2K)
2007-2007 GMC Sierra 2500 Base (w/ RPO EU1; wo/ RPO U2K)
2007-2007 GMC Sierra 3500 Base (w/ RPO EU1; wo/ RPO U2K)
2008-2008 Chevrolet AVALANCHE SUT LS (w/ RPO EU1; wo/ RPO U2K)
2008-2008 Chevrolet SUBURBAN LS (w/ RPO EU1; wo/ RPO U2K)
2008-2008 Chevrolet Suburban 2500 SUV LS (w/ RPO EU1; wo/ RPO U2K)
2008-2008 Chevrolet Tahoe 4DR LS (w/ RPO EU1; wo/ RPO U2K)
2008-2008 GMC YUKON 4DR SL (w/ RPO EU1; wo/ RPO U2K)
2009-2009 Cadillac ESCALADE SUT EXT SPORT (w/ RPO EU1; wo/ RPO U2K)
2009-2009 Cadillac ESCALADE SUV ESV SPORT (w/ RPO EU1; wo/ RPO U2K)
2009-2009 Cadillac ESCALADE SUV SPORT (w/ RPO EU1; wo/ RPO U2K)
2009-2009 GMC YUKON 4DR XL SL (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Cadillac ESCALADE SUT EXT PREMIUM (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Cadillac ESCALADE SUV ESV PREMIUM (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Cadillac ESCALADE SUV PREMIUM (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado CREW CAB HYBRID (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado CREW CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado CREW CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado CREW CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado CREW CAB WORK TRUCK (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado EXT CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado EXT CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado EXT CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado STD CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado STD CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado STD CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 CREW CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 CREW CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 CREW CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 EXT CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 EXT CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 EXT CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 STD CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 STD CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 2500 STD CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 CREW CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 CREW CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 CREW CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 EXT CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 EXT CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 EXT CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 STD CAB LS (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 STD CAB LT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Silverado 3500 STD CAB LTZ (w/ RPO EU1; wo/ RPO U2K)
2010-2010 Chevrolet Tahoe 4DR HYBRID (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB HYBRID (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB LUXURY/DENALI (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB SL (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra CREW CAB WORK TRUCK (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra EXT CAB LUXURY/DENALI (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra EXT CAB SL (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra EXT CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra EXT CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra STD CAB LUXURY/DENALI (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra STD CAB SL (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra STD CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra STD CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 CREW CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 CREW CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 EXT CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 EXT CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 STD CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 2500 STD CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 CREW CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 CREW CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 EXT CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 EXT CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 STD CAB SLE (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC Sierra 3500 STD CAB SLT (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR DENALI HYBRID (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR HYBRID (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR SLE2 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR SLT1 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR SLT2 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR XL SLE1 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR XL SLE2 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR XL SLT1 (w/ RPO EU1; wo/ RPO U2K)
2010-2010 GMC YUKON 4DR XL SLT2 (w/ RPO EU1; wo/ RPO U2K)
2006- 2007 Buick RAINIER (w/ RPO EU1; wo/ RPO U2K)
2006- 2007 Chevrolet AVALANCHE Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2007 Chevrolet Silverado SS (w/ RPO EU1; wo/ RPO U2K)
2006- 2007 Chevrolet Tahoe Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2009 Chevrolet SSR (w/ RPO EU1; wo/ RPO U2K)
2006- 2009 Chevrolet TRAILBLAZER Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2009 Chevrolet TRAILBLAZER SS (w/ RPO EU1; wo/ RPO U2K)
2006- 2009 Oldsmobile BRAVADA 4DR (w/ RPO EU1; wo/ RPO U2K)
2006- 2010 Chevrolet AVALANCHE SUT Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2010 Chevrolet Silverado Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2010 Chevrolet SUBURBAN Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2010 Chevrolet Tahoe 4DR Base (w/ RPO EU1; wo/ RPO U2K)
2006- 2010 GMC Sierra Base (w/ RPO EU1; wo/ RPO U2K)
2007-2008 Cadillac ESCALADE SUT EXT PLATINUM (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet AVALANCHE SUT Z71 (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 2500 STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Silverado 3500 STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet SUBURBAN Z71 (w/ RPO EU1; wo/ RPO U2K)
2007-2009 Chevrolet Tahoe 4DR Z71 (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 2500 STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 CREW CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 CREW CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 EXT CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 EXT CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 STD CAB (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC Sierra 3500 STD CAB LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC YUKON 4DR SLE (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC YUKON 4DR SLT (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC YUKON 4DR XL SLE (w/ RPO EU1; wo/ RPO U2K)
2007-2009 GMC YUKON 4DR XL SLT (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Cadillac ESCALADE SUT EXT LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Cadillac ESCALADE SUV ESV LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Cadillac ESCALADE SUV ESV PLATINUM (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Cadillac ESCALADE SUV LUXURY (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Cadillac ESCALADE SUV PLATINUM (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet AVALANCHE SUT LT (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet AVALANCHE SUT LTZ (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet SUBURBAN LT (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet SUBURBAN LTZ (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet Suburban 2500 SUV LT (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet Suburban 2500 SUV LTZ (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet Tahoe 4DR LT (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet Tahoe 4DR LTZ (w/ RPO EU1; wo/ RPO U2K)
2007-2010 Chevrolet Tahoe 4DR POLICE (w/ RPO EU1; wo/ RPO U2K)
2007-2010 GMC YUKON 4DR DENALI (w/ RPO EU1; wo/ RPO U2K)
2007-2010 GMC YUKON 4DR DENALI XL (w/ RPO EU1; wo/ RPO U2K)
2009-2010 Cadillac ESCALADE SUT EXT (w/ RPO EU1; wo/ RPO U2K)
2009-2010 Cadillac ESCALADE SUV Base (w/ RPO EU1; wo/ RPO U2K)
2009-2010 Cadillac ESCALADE SUV ESV (w/ RPO EU1; wo/ RPO U2K)
2009-2010 Cadillac ESCALADE SUV HYBRID (w/ RPO EU1; wo/ RPO U2K)