Brake Fluid Reservoir 61-66 Beetle. 113-611-301G 113611301G £16.00 Quantity: at £16.00 each Add To Basket Top quality brake fluid reservoir, manufactured by Wolfsburg West. NOT the cheap poor quality Brazilian reproduction available everywhere else. Fits 61-66 Beetle. We've been searching for the best manufacturers of Beetle products for a long time, we didn't want to compromise on quality by adding just any brand to the website.