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Welcome To Diesel Keeper - The Diesel Fuel Protection Specialists
Diesel Keeper offers products to protect your diesel fuel.
ASD’s™ For Fleet Managers
For larger fleets, we recommend the use of DIESEL Keeper ASD’s™ - Anti-Siphon Devices that secure fuel without the need for a key. Patent-pending technology makes our ASDs unique in the fact that they allow maximum fuel flow while keeping the grids small that even tiny siphon tubes can't get in. A properly installed ASD is non-removable and the stainless steel structure can't be drilled out or removed. Diesel Keeper ASDs are the ultimate in diesel fuel security.
FCL’s For Owner Operators
Fuel Cap Locks (FCL’s) is an inexpensive way to help prevent unauthorized access to your fuel tank - ideal for owner operators! A simple, one-piece designed bracket made from heavy-duty aluminum slides over the fuel cap and prevents access to the fuel. Two keys come each Fuel Cap Lock. DIESEL Keeper FCL’s are patented.
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Diesel Keeper has the BEST Anti-Siphon Device... Period!
Please call for lead times (Inventory is moving fast).
Update related to fueling speeds in the United States
US Customers please note for ASD's: We strongly recommend that, if possible, you try our anti-siphon unit at a fueling station BEFORE making installation permanent.. Some customers in the United States mentioned to us that they cannot fuel up as quickly with the ASD unit installed as what they are used to without any anti-siphon device installed. A very simple piece of plumbing pipe available from a home improvement store solves the problem (we include details with every shipment).
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Call us for help with your on-line experience: 678.417.5900
