Locking Diesel Fuel Cap 3-3/8" 8 Threads Fill Neck, FTA-C-69

Volvo, Mack, International and Freightliner with 3 3/8" Fill Neck

Made in the USA!

Cap Assy Alum 3.0-8 NPSL Locking Pressure Relief 8.00 Chain & 6.50 Bail W/ "DIESEL ONLY KEEP CLEAN"

(fuel tank must be vented)

Safety chain and crossbar included.

Description: Female, Non-Vented, Locking
Nominal Size: 3 Inches
Threads: 8 Per Inch
Across Threads (Cap): 3-3/8"

Across Threads (Filler Neck): 3-7/16"
Finish: Aluminum
Application: Will fit Volvo, Mack, International, Freightliners with a 3-3/8" fill neck.  Some trucks older then 1999 use the FTA-C-04.
Heavy Duty Locking Cam.
For Anti-Siphon Tube use FTA-3-7, do not use in combination with a locking fuel cap.

Not for the PNG - Low Sulfur Tank.  IF YOUR VOLVO HAS THE LOW SULFUR (PNG) TANKS YOU NEED FTA-C-722L

The FTA-C-69 Locking Diesel fuel cap is designed to work on a 3-3/8" fill necks.  
Use the key to unlock the cap (the key won't come out when it is unlocked) then screw the cap onto the filler neck and turn the key to lock it. When you turn the key the cam will hit the side wall of the fill neck and bite in. It is very important not to over tighten the cap... Do not over tighten the cap when you screw it on.