NEW Carburetor Fits for Tecumseh AV520 TV085XA Engine 640290 631720A 640263 Carb
Replaces Parts No: 640263，631720A, 631720B. Fits Models: Tecumseh AV520 TV085XA Engine. Tecumseh Part # 640290. 1x Carburetor as Pictured. This can be for any of the following reasons -.