Two Pack Locking Diesel Fuel Tank Cap For Volvo VN VNL And Mack Heavy Duty Trucks Three Inch Aluminum Replacement Fits OEM S23949 20511590 20770691 Replaces Worn Cap

Two Pack Locking Diesel Fuel Cap Set for Volvo Mack Trucks
✔️ Two locking caps, 3 in dia (76.2 mm), aluminum, fits S23949/20511590

This locking diesel fuel cap set is designed as a direct replacement for Volvo VN/VNL series (2010 and newer) and Mack heavy duty trucks. It secures your fuel tank, prevents leaks, and keeps contamination out, especially on long hauls or in risky locations.

✅ Replaces part numbers 20770691, VOL20770691, 20511590, S23949
✅ 3 in inner diameter with -8 UNNS threading (76.2 mm)
✅ Die-cast aluminum alloy construction for durability and corrosion resistance
✅ FKM gasket provides a tight fuel seal
✅ Includes 7 in (178 mm) safety chains and bails for added security
✅ Independent locking mechanisms; keys are not interchangeable between caps
✅ Fits Volvo VN/VNL 2010+ and Mack heavy duty PNG-labeled tanks
✅ 12 months customer service support

💡 What is a locking diesel fuel cap used for? A handy security option for securing fuel on heavy-duty trucks like Volvo and Mack, especially on long hauls. - Handy security for fuel storage on long hauls - Prevents leaks and evaporation in harsh environments - Compatible with 3 in tanks on VN/VNL and Mack PNG tanks - Independent locks keep keys separate per cap