3" Non Locking Diesel Fuel Cap for Volvo VN VNL Series & Mack Trucks ultra Low Sulfur Fuel Tanks or PNG tanks 2010 & later, Fuel Cap Non-Vented Replaces OE 20770657 20770683 S21685

Compatible With: Fuel Cap fits Volvo VN VNL Series & Mack HEAVY DUTY Trucks ultra low sulfur labeled or PNG tanks 2010 & later. This 3" Diesel Fuel Cap is not vented, fuel tank must be vented, for low sulfur diesel applications only

Replace number: Our 3" Non Locking Diesel Fuel Cap replace part number: 20770657 20770683 S21685. Before order, please measure the diameter of your current fuel cap or fuel tank fill tube first

Package Included: Includes rubber gasket seal, 8" safety chain, bail. And One 3" diameter, 8 UNNS, non-vented, non locking aluminum diesel fuel cap. Approximate dimensions = Across threads cap 3"

Quality: Fits 3" neck with -8 threads. Our item 100% fully tested before shipping to ensure product durability, easy to install. You can fix your gas cap problem by yourself without visiting your local auto shop, saving both time and money

After-Sales Service: If you have any quality problems, we can provide replacement or refund processing. We will reply to you within 24 hours and we will serve you wholeheartedly