MacBook Pro 13" Unibody Early 2011 Adapters
Apple MagSafe 1 AC Adapter
Replace a broken or damaged Apple MagSage 1 AC adapter with this part.
G4/MagSafe AC Adapter End
Replace a broken or damaged two-pronged tip of your square G4 or MagSafe adapter with this part.
Apple USB Ethernet Adapter
Allows you to connect to the internet with an Ethernet cable via USB. Model A1277.
Apple AC Adapter (3-prong) Extension Cable
Replace a broken or damaged six foot Apple three-prong AC adapter extension cable with this part.
In February 2011, Apple refreshed the 13" MacBook Pro line by changing to the Intel HD Graphics 3000, increasing VRAM to 384 MB, and upgrading to Core i5 and Core i7 processors with PC3-10600 RAM. The Mini DisplayPort was also replaced (but still backwards compatible) with the new Thunderbolt standard allowing 10 Gbps transfer speeds in both directions.
The most common repairs with the MacBook Pro 13" Unibody for Early 2011 are replacing a dead battery or upgrading the hard drive or RAM. The MacBook Pro 13" Unibody (Early 2011) Memory Maxxer RAM Upgrade Kit includes all the parts and tools you need to upgrade to 16 GB of RAM.
Once you've bought your parts and tools, check out iFixit's MacBook Pro 13" Unibody for Early 2011 repair guides for step-by-step instructions on how to make the fix.