Fitment: For Jeep Wrangler YJ with 20 gallon plastic tanks ONLY in 1987-1995 Replaces: 52040079, 52040081 Dimensions: Thickness: 3/16" for both filler hoses 52040079 hose: The small end ID is 1" and OD is 1 3/8" the large end is 1 1/8" ID and 1 9/16" OD 52040081 hose: The small end ID is approximately 3/4" and OD is 1 1/8" and the large end ID is 1" and OD is 1 3/8" Note: There is metal tank in some 87-90 model year for Jeep, this hoses will NOT fit Make sure you know the size of your plastic tank, and review all the product information to ensure this will fit before placing an order