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The ALLCSM Fuel Transfer Tank Vented Cap features a robust 2-inch NPT threaded cast iron neck designed for diesel fuel tanks. Engineered to safely vent vapor pressure while preventing leaks and moisture ingress, it includes a spring-loaded gasket seal and supports padlock security. Its durable construction and easy twist-on installation make it an essential upgrade for professional-grade fuel transfer and storage.



| ASIN | B0CQ88DFTW |
| Brand Name | ALLCSM |
| Closure Type | Twist-On |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (19) |
| Exterior Finish | Cast Iron |
| Manufacturer Part Number | 2 Inch NPT Diesel Fuel Tank Cap |
| Material Type | Cast Iron |
| Model Number | 2 Inch NPT Diesel Fuel Tank Cap |
| Style Name | Modern |
D**Z
🥰🥰🥰🥰🥰
🥰🥰🥰🥰🥰🥰
A**Y
No leaks! Fast shipping
I wasn't sure if the lids offered would fit my tank so I bought complete unit. Works well.
M**D
Exactly what I needed
Great product
R**F
Sturdy
Easy to install and keeps fuel secure.
L**N
Doesn’t allow locking
The whole is in the wrong spot to put a lock on this. I ordered a replacement and it was the same
Trustpilot
3 days ago
1 month ago
2 weeks ago
5 days ago