GMC Sierra 2500 HD Antenna Adapter Replacement

Metra Electronics 40-GM12 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2001-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-GM12

For Factory Antenna w/Mini Barbed Or Barb Less Plug To Aftermarket Radio

$15.29 View part →
Metra Electronics 40-GM21 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2003-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-GM21

Factory Radio w/Mini Barb Less Connector/Aftermarket Antenna

$19.48 View part →
Metra Electronics 40-GM10 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2003-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-GM10

For Factory Antenna w/Mini Barbed Or Barb Less Plug Into Aftermarket Radio

$21.05 View part →
Metra Electronics 40-EU20 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2012-2019 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-EU20

For Factory Radio w/Mini-Style Plug/Universal Antenna

$25.56 View part →
Metra Electronics 40-EU10 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2012-2020 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-EU10

For Factory Antenna w/Mini-Style Plug/Aftermarket Radio

$25.71 View part →
Metra Electronics 40-GM30 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2001 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-GM30

For Barbed Antenna Adaptors For Adding CD w/FM Modulator; For Use w/60-Series Harness

$26.30 View part →
Metra Electronics 40-GM31 WARNING CA Proposition 65: Yes 0 Aftermarket
✓ In Stock

2001-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

Partslink #: 40-GM31

For Barb Less Antenna Adaptors For Adding CD w/FM Modulator; For Use w/60-Series Harness

$54.78 View part →

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Antenna Adapter Compatibility for GMC Sierra 2500 HD

Browse our selection of quality antenna adapter parts designed specifically for your GMC Sierra 2500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

AT4 · Base · Denali · SL · SLE · SLT · WT

Body Types

Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup

Engine Options

V8 6.0L · V8 6.6L · V8 8.1L

Transmissions

Automatic · Manual

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GMC Sierra 2500 HD Antenna Adapter Replacement

2001-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)

2003-2006 GMC Sierra 2500 HD Antenna Adapter (Metra Electronics)