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🔐 Lock in your fuel’s safety — because every drop counts!
The Flow Security Systems Non-Vented Locking Fuel Tank Cap is a premium, heavy-duty security solution designed for commercial above-ground fuel tanks with independent venting. Made from case-hardened carbon steel and finished with corrosion-resistant silver zinc plating, it offers precision CNC machining for a perfect fit on all 2” male or female tanks. Featuring padlock compatibility, a spill-preventing gasket, and a stainless steel retaining chain, this cap ensures maximum theft protection and operational convenience for professional fleet managers and fuel custodians.
| Brand | Flow Security Systems |
| Color | Silver zinc plating |
| Material | Carbon Steel, Stainless Steel |
| Exterior Finish | Chrome |
| Item dimensions L x W x H | 3.25 x 4 x 3 inches |
| Vehicle Service Type | Truck |
| Style | Male 2" Std Thead |
| Item Weight | 1.6 Pounds |
| Automotive Fit Type | Universal Fit |
| OEM Part Number | FSS 376 |
| Manufacturer | Flow Security Systems, Inc. |
| UPC | 763416902770 |
| Item Weight | 1.6 pounds |
| Product Dimensions | 3.25 x 4 x 3 inches |
| Item model number | FSS 376 |
| Manufacturer Part Number | FSS376-M |
| Special Features | Durable and corrosion resistant. Prevent theft of valuable fuel and tank contents. |
N**R
Fit my needs for NPT to unvented cap
Great cap
O**1
Great replacement for the one I have that Leaks.
Solidly built, have yet to put it to the test as I will have to fill my tank and see how it does with sloshing. Lock holes a bit small for average lock but not a deal breaker. As of right now, I would buy it again.
M**K
This is non vented and you have to vent yourself.
Had a vented fill lid before. Put this one on and vented the tank where I wanted worked out very well.
D**Y
Works great, looks good!
I ordered this to replace a vented cap on an RDS diesel auxiliary tank which leaked through the vent from day one. I already had the tank vented so I went with this unvented one, it solved my leaking problem and can also be locked in place to deter fuel theft!
W**M
Nicely made.
Everything is very well made. Very cheap for the good quality. The long lock slot lets you loosen the cap to vent the tank without unlocking it. It has a rubber seal and the chain is sweet.The bottom lock tab is a separate piece pressed or glued in. Maybe welded and machined off on the inside. This is the only negative. However a big pipe wrench can always unscrew the whole thing. Really its just for looks anyway.
J**Y
Great look
Looks good and locks to keep people from siphoning fuel.
K**R
Gas cap
Husband needed a cap for a transfer tank. He loves how well it seals
E**Z
Excelente
Excelente, a tiempo. Justo lo que necesitaba
TrustPilot
1 个月前
2 周前