Amazon.com : Suptig Replacement Waterproof Case Protective Housing for GoPro Hero 4, Hero 3+, Hero3 Outside Sport Camera for Underwater Use - Water Resistant up to 147ft (45m) : Electronics
Amazon.com: Flujoy PR-062334 Battery Replacement for Gopro Hero + Hero Plus Hero HWBL1 CHDHA-301 : Electronics
GoPro unibody replacement case for Hero camera
Replacement Hero5/6/7 Lens - BACK-BONE
Hands-on with the GoPro Hero 3+ Black Edition: Digital Photography Review