Mack Locking Gas Caps & Anti-Siphon Valves

Mack Leak Defender Fuel Cap and Collar *If your truck has dual tanks, you'll need to purchase two fuel caps. The Leak Defender Mack fuel cap and collar kit is more than just shiny chrome, it's an entire 2-piece fuel neck replacement that stops cap...

Heavy Duty Kenworth Volvo Mack International Locking Fuel Cap Cover Heavy Duty Kenworth Volvo Mack International Locking Fuel Cap Cover Locking Fuel Cap Cover Locks Over Existing Fuel Cap Rotates Freely When Closed Fits Various Kenworth,...

Heavy Duty Anti-Siphon Device For Semi Trucks *Please verify your fuel tank's required measurements/dimensions/size before purchasing. *Included images are for reference only, components may vary based on your application. Heavy Duty...

Heavy Duty Locking DEF Cap For Semi Trucks *Images included for reference only, components may vary based on your application. *Keyed alike options available, give us a call to make a custom order! This locking DEF cap is the perfect way to keep...

Mack Lock on Fuel Cap Cover Made Of Polished Aluminum Sold As A Pair 4 Keys Are Included Does Not Fit Doorstep Fuel Tank Models Covers Your (OEM) Factory Fuel Cap Fits Mack With 3.5" Tank Necks Lock-On Guard specializes in providing a...

Volvo, Mack & International 2.5" Anti-Siphon Device Fits Most Volvo, Mack & International Models 2.5" Fill Neck 6.75" Length Made Of ASTM 60-61 Aluminum Easy Snap In Application Cannot Be Removed After Installation No Splash-Back Sold...

Volvo, Mack & International 3" Anti-Siphon Device Fits Most Volvo, Mack & International Models 3" Fill Neck 7" Length Made Of ASTM 60-61 Aluminum Easy Snap In Application Cannot Be Removed After Installation Does Not Come With Strainer No...

International Volvo Mack Non-Locking 3" Vented & Non-Vented Fuel Caps *Please Verify Your OEM Number Before Purchase 3" Non-Locking Fuel Caps Fit International, Volvo, & Mack Models Do Not Fit Low Sulfur or PNG Fuel Tanks Made of HD...

Heavy Duty Aluminum Locking Fuel Cap Replaces 90-02269 and 90-02269-02 *If Ordering More Than 1 Fuel Cap, Please Specify Key Style Above *Please Verify Your OEM Number Before Purchase Heavy Duty Aluminum Locking Fuel Cap Cap Inner Diameter is 3...