class LkqSpider(scrapy.Spider):
    name = 'lkq'
allowed_domains = ['lkqpickyourpart.com']
start_urls = (
    'http://www.lkqpickyourpart.com/DesktopModules/pyp_vehicleInventory/getVehicleInventory.aspx?store=224&page=0&filter=toyota&sp=&cl=&carbuyYardCode=1224&pageSize=1000&language=en-US'
    ,)

def parse(self, response):
    pass
POST-запрос в поисковом запросе с помощью Scrapy