FL-11701

Name: FleetoneWD
Address: 1000 Northbrook Drive, Suite 100, Trevose, 19053, PA
Telephone: 2157855175

Aluminum Fuel cap 3"" - 8 NPSL Vented Fits Mack CV/ International Prostar

4.5 Ratings

Feature	Specification
Product	Aluminum fuel cap for diesel tanks
Material	Aluminum (corrosion‑resistant)
Cap diameter	Nominal 3 inch cap for 3.0‑8 NPSL neck (approx. 3.5 inch major OD on neck)
Thread size	3‑inch, 8 TPI, NPSL straight pipe thread
Venting	Vented / pressure‑relief style (for vented tanks)
Lock style	Available in non‑locking and locking versions depending on supplier SKU
Typical use	Diesel saddle tank fuel cap for Class‑8 tractors

Includes

Complete aluminum fuel cap with 3‑inch‑8 NPSL threaded interface.
Integrated vent/pressure‑relief valve (on vented versions); some variants also include chain and locking mechanism depending on part code.

Designed to fit 3‑inch, 8‑TPI NPSL fuel filler necks used on many Mack CV/Granite and International ProStar and related models.
Vented/pressure‑relief design helps manage tank pressure and vacuum while meeting on‑road diesel fuel system requirements.
Aluminum construction provides good strength and corrosion resistance against diesel fuel and road environments.

Manufacturer / Brand	Part Number(s)	Notes
Automann	572.1023

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