Amazon.com: Harmony Audio Compatible with 2006-12 Chevy HHR HA-R65 6.5" New Front Door Replacement 300W Speakers with HA-823006 6.5" 6.75" Speakers Adapter and HA-724568 Factory Speaker Replacement Harness : Electronics
Front Door Factory Speaker Replacement Package for 2006-2012 Chevy HHR | NVX | eBay
Amazon.com: GM OEM New 06-11 Chevrolet HHR Radio Front Left Right Side Door Speaker 15220248 : Automotive