So i believe if you look for brake pads for a GT the number 697 usually comes up, but similar brakes for a Camry, Avalon, Sienna and such come out with 476 but the design looks pretty much identical, anyone got any more info on this subject? Here's just a few examples

http://www.ebay.com/itm/RAYBESTOS-PGD697C-...121005784070%26

http://www.ebay.com/itm/RAYBESTOS-Ceramic-...f45&vxp=mtr

are you just asking if brake pads for our celica's are the same as an avalon/sienna etc?

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Not necessarily, i understand that the brake pads are interchangeable im just wondering why there are 2 different numbers for the same style of pad? I compared some before and the only difference i seen was the Slots through the middle were deeper on the 476

Believe it or not that slot will actually cause your car to vibrate more, less or even squeak like a mouse.
The worse ones are the chamfer edges. If you take off your pads and they are not slotted or chamfer be very careful to get the correct ones or you will be driven insane locating the source of your noise.