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Part record
Duramax LML EGR Valve (OEM)
verified
OEM PN12665547
Replaces 12643238, 12639423.
Checked against the GM parts catalog (category pages fetched 2026-09-29/30, part card 2026-09-30).
Where to buy
Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 12665547.
Fits (24 configurations)
- 2011 Chevrolet Silverado 2500 HD
- 2011 Chevrolet Silverado 3500 HD
- 2011 GMC Sierra 2500 HD
- 2011 GMC Sierra 3500 HD
- 2012 Chevrolet Silverado 2500 HD
- 2012 Chevrolet Silverado 3500 HD
- 2012 GMC Sierra 2500 HD
- 2012 GMC Sierra 3500 HD
- 2013 Chevrolet Silverado 2500 HD
- 2013 Chevrolet Silverado 3500 HD
- 2013 GMC Sierra 2500 HD
- 2013 GMC Sierra 3500 HD
- 2014 Chevrolet Silverado 2500 HD
- 2014 Chevrolet Silverado 3500 HD
- 2014 GMC Sierra 2500 HD
- 2014 GMC Sierra 3500 HD
- 2015 Chevrolet Silverado 2500 HD
- 2015 Chevrolet Silverado 3500 HD
- 2015 GMC Sierra 2500 HD
- 2015 GMC Sierra 3500 HD
- 2016 Chevrolet Silverado 2500 HD
- 2016 Chevrolet Silverado 3500 HD
- 2016 GMC Sierra 2500 HD
- 2016 GMC Sierra 3500 HD