Aluminum Remote Mount Filler Cap Bung
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Easy Turn Filler Cap with O-Ring
Easy Turn Filler Cap with O-Ring
AN Thread Weld Bung
AN Thread Weld Bung
Easy Turn Filler Cap Replacement O-Ring, Buna Material
Easy Turn Filler Cap Replacement O-Ring, Buna Material
NPT Female Weld Bung
NPT Female Weld Bung
2 Inch Remote Mount Bung, 2 Inch Hose
1-1/2-12 Straight Thread
4 on 2.75 in. Bolt Circle
9/16 in. Bung Height
2 Inch Recessed Remote Mount Bung, 2 Inch Hose
Fits 2 in. Fill Cap
1-1/2-12 Straight Thread
6 on 4.75 in. Dia. Bolt Circle
(Cap Replacement O-Ring is C73-769)
2-3/4 Inch Remote Mount Bung, 2 Inch Hose
2-1/4-10 Straight Thread
4 on 3.25 in. Dia. Bolt Circle
11/16 in. Bung Height
2-3/4 Inch Recessed Remote Mount Bung, 2 Inch Hose
2-1/4-10 Straight Thread
6 on 5.125 in. Dia. Bolt Circle
This Bung will not accept a Lanyard Boss Cap.
(Cap Replacement O-Ring is C73-788)
Remote & Recessed Remote Bungs
Pro-werks Fill Cap Bungs are available separately without the cap. These bolt-on style aluminum bungs come in several types and sizes, and do not require welding. The integrated hose nipple features a retention barb, providing positive sealing of the hose connection.
Properly sized for the "radially squeezed" O-ring standard of the signature Pro-werks Easy Turn Fill Cap.
Select anodized colors are available and include mounting hardware - so you won't need to run all over town looking for it!
Remote fluid filling is made easy with the Pro-werks Recessed Remote Easy Turn Fill Assembly. This unique assembly provides an attractive flush mount solution for a locating a filling point in a panel, allowing for fluid transfer thru a hose to the tank.
This Recessed version is work of art and is right at home for any show quality installation.
The selection of weld-able bungs is also available; including several different heights in your choice of Steel, Aluminum or Stainless Steel materials.
Note: Welding should always be performed by a qualified welder.
Great Caps. Great Colors.
To compliment the color coordination of your project, the caps are finished off in Pro-Werks Brilliance anodized colors in your choice of Black, Red, Blue, or beautifully Micro-Polished aluminum – the finishes are impeccable!
The Right Size Matters.
Easy Turn Fill Caps come in many sizes and are packaged as complete assemblies with your choice of one of the many versatile mounting options, or each component is also available separately.
Proudly Made in the USA
Be sure to check out the entire line up - Billet aluminum Easy Turn Fill Caps are a Pro-werks specialty.
You can always count on Pro-Werks to do it right!
Customer Comments:
"I use your bolt on caps and bungs on my carbon fiber Cummins common rail valve covers. Love the quality. Thank you."– Randy Davis, Owner of OldSkoolFab, Inc.
"I upgraded my fuel cell to an Easy Turn fill cap assembly. It wasn't long until all my friends did the same. Great product!"
– As shared with us at the PRI Show
Frequently Asked Questions
Q: How much do I need to tighten a fill cap?
A: It is not necessary to bottom the fill cap into the bung−just adequately seat the O-ring. The radial squeeze action on the O-ring creates a positive seal and helps prevent the cap from coming loose.
Q: What should I use to lubricate the Buna O-ring?
A: Applied periodically, a light coating of Dielectric grease has proven to work well as an O-ring lubricant.
Q: Is Buna rubber compatible with my fluid?
A: Buna is a synthetic rubber compound suitable for use with many fluids. Buna components may need to be replaced by a material compatible with the specific chemistry of some fluids.
