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Why you need these caps
Banks Fill and DEF Caps for 2013-2018 RAM Trucks 66701
SIde view of Banks Fill and DEF Caps for 2013-2018 RAM Trucks 66701
Banks Fill Caps for 2013-2018 RAM Trucks Has A pressure Relief System 66701
Banks DEF Caps for 2013-2018 RAM Trucks 66701
Banks Fill and DEF Caps Installed in a for 2013-2018 RAM Truck 66701
Banks Fill and DEF Caps for 2013-2018 RAM Trucks 66701
SIde view of Banks Fill and DEF Caps for 2013-2018 RAM Trucks 66701
Banks Fill Caps for 2013-2018 RAM Trucks Has A pressure Relief System 66701
Banks DEF Caps for 2013-2018 RAM Trucks 66701
Banks Fill and DEF Caps Installed in a for 2013-2018 RAM Truck 66701

Key Features

  • Prevents debris from entering filler necks
  • Strong neodymium magnetic sticks to fuel door
  • 6061 billet aluminum
  • Anodized for corrosion resistance
  • CNC machined
  • Large grip for big hands
  • Press-fit
  • Dual Viton O-rings
  • Vented to prevent backing out under pressure
  • Laser etched Banks logo
About This Product

Prevents debris from entering the fuel and DEF filler necks on your 2013-2018 (4th Gen) RAM. CNC precision machined 6061 aluminum, these magnetic Diesel and DEF filler caps not only look good but conveniently attach to your filler door when not in use. Press-fit with dual Viton O-rings to prevent leaks. Vented to prevent backing out under pressure. 
Fitment Note
Depending on build date, some 2019 model year RAM trucks still use the older 2018 style diesel fill neck. Please check your vehicle fitment with the photo below. Diagram for Fuel Cap
Stay Here (4th Gen Ram) Switch To 66700 (5th Gen Ram)
Specifications
Banks Revolver billet fuel and DEF fill camps prevent debris from entering the fuel and DEF filler necks on your 4th Gen RAM. CNC precision machined 6061 aluminum, these magnetic diesel and DEF filler caps not only look good but also conveniently attach to your filler door when not in use.
Why It's Better

Top Off With Banks

While these caps might not increase your fuel economy or power output, they keep debris out of your fuel and DEF tanks and look good doing it.
Banks DEF and Diesel Fill Caps
Banks DEF and Diesel Fill Caps Installed attached to fill door

Our premium diesel and DEF fill caps for 2013-2018 RAMs are machined from 6061 anodized billet aluminum for durability.

Beveled edges and large grip make them easy to use even with the biggest hands.

A pressure relieve valve is integrated into the design to prevent the cap from backing out under pressure.

Both caps feature a strong neodymium magnet to conveniently attach them to your fuel door while at the pump.

Never lose your cap again!
Banks DEF and Diesel Fill Caps Installed attached to fill door
Banks DEF and Diesel Fill Caps Installed

Twin Viton O-Rings friction seal the Diesel fill cap in place and prevent dirt, debris, or anything else from falling into your fuel or DEF system.
This Banks Revolver Billet Diesel & DEF Caps
fits the following vehicles:
click to expand

Ram 1500

  • Ram 1500 | 3.0L Diesel 2018
  • Ram 1500 | 3.0L Diesel 2017
  • Ram 1500 | 3.0L Diesel 2016
  • Ram 1500 | 3.0L Diesel 2015
  • Ram 1500 | 3.0L Diesel 2014

Ram 2500

  • Ram 2500 | 6.7L Diesel 2018
  • Ram 2500 | 6.7L Diesel 2017
  • Ram 2500 | 6.7L Diesel 2016
  • Ram 2500 | 6.7L Diesel 2015
  • Ram 2500 | 6.7L Diesel 2014
  • Ram 2500 | 6.7L Diesel 2013

Ram 3500

  • Ram 3500 | 6.7L Diesel 2018
  • Ram 3500 | 6.7L Diesel 2017
  • Ram 3500 | 6.7L Diesel 2016
  • Ram 3500 | 6.7L Diesel 2015
  • Ram 3500 | 6.7L Diesel 2014
  • Ram 3500 | 6.7L Diesel 2013

Ram 4500

  • Ram 4500 | 6.7L Diesel 2019
  • Ram 4500 | 6.7L Diesel 2018
  • Ram 4500 | 6.7L Diesel 2017
  • Ram 4500 | 6.7L Diesel 2016
  • Ram 4500 | 6.7L Diesel 2015
  • Ram 4500 | 6.7L Diesel 2014
  • Ram 4500 | 6.7L Diesel 2013

Ram 5500

  • Ram 5500 | 6.7L Diesel 2019
  • Ram 5500 | 6.7L Diesel 2018
  • Ram 5500 | 6.7L Diesel 2017
  • Ram 5500 | 6.7L Diesel 2015
  • Ram 5500 | 6.7L Diesel 2014
  • Ram 5500 | 6.7L Diesel 2013

Banks Revolver Billet Diesel & DEF Caps

Billet Diesel and DEF Cap Kit

SKU #66701

2014-2018 RAM 1500 3.0L Diesel
2013-2018 RAM 2500-5500 6.7L Diesel

Premium Anodized Finish
Magnetic Base

Limited Inventory
$99.00
MSRP: $110.00
Add-Ons
GOT QUESTIONS?
Talk with our experts
call 800-601-8072
carb e.o. not required
FAQs
INSTALL GUIDE
CALIFORNIA WARNING
Banks Revolver Billet Diesel & DEF Caps
Add to cart

Key Features

  • Prevents debris from entering filler necks
  • Strong neodymium magnetic sticks to fuel door
  • 6061 billet aluminum
  • Anodized for corrosion resistance
  • CNC machined
  • Large grip for big hands
  • Press-fit
  • Dual Viton O-rings
  • Vented to prevent backing out under pressure
  • Laser etched Banks logo
About This Product

Prevents debris from entering the fuel and DEF filler necks on your 2013-2018 (4th Gen) RAM. CNC precision machined 6061 aluminum, these magnetic Diesel and DEF filler caps not only look good but conveniently attach to your filler door when not in use. Press-fit with dual Viton O-rings to prevent leaks. Vented to prevent backing out under pressure. 
Fitment Note
Depending on build date, some 2019 model year RAM trucks still use the older 2018 style diesel fill neck. Please check your vehicle fitment with the photo below. Diagram for Fuel Cap
Stay Here (4th Gen Ram) Switch To 66700 (5th Gen Ram)
Specifications
Banks Revolver billet fuel and DEF fill camps prevent debris from entering the fuel and DEF filler necks on your 4th Gen RAM. CNC precision machined 6061 aluminum, these magnetic diesel and DEF filler caps not only look good but also conveniently attach to your filler door when not in use.
Why It's Better

Top Off With Banks

While these caps might not increase your fuel economy or power output, they keep debris out of your fuel and DEF tanks and look good doing it.
Banks DEF and Diesel Fill Caps
Banks DEF and Diesel Fill Caps Installed attached to fill door

Our premium diesel and DEF fill caps for 2013-2018 RAMs are machined from 6061 anodized billet aluminum for durability.

Beveled edges and large grip make them easy to use even with the biggest hands.

A pressure relieve valve is integrated into the design to prevent the cap from backing out under pressure.

Both caps feature a strong neodymium magnet to conveniently attach them to your fuel door while at the pump.

Never lose your cap again!
Banks DEF and Diesel Fill Caps Installed attached to fill door
Banks DEF and Diesel Fill Caps Installed

Twin Viton O-Rings friction seal the Diesel fill cap in place and prevent dirt, debris, or anything else from falling into your fuel or DEF system.
This Banks Revolver Billet Diesel & DEF Caps
fits the following vehicles:
click to expand

Ram 1500

  • Ram 1500 | 3.0L Diesel 2018
  • Ram 1500 | 3.0L Diesel 2017
  • Ram 1500 | 3.0L Diesel 2016
  • Ram 1500 | 3.0L Diesel 2015
  • Ram 1500 | 3.0L Diesel 2014

Ram 2500

  • Ram 2500 | 6.7L Diesel 2018
  • Ram 2500 | 6.7L Diesel 2017
  • Ram 2500 | 6.7L Diesel 2016
  • Ram 2500 | 6.7L Diesel 2015
  • Ram 2500 | 6.7L Diesel 2014
  • Ram 2500 | 6.7L Diesel 2013

Ram 3500

  • Ram 3500 | 6.7L Diesel 2018
  • Ram 3500 | 6.7L Diesel 2017
  • Ram 3500 | 6.7L Diesel 2016
  • Ram 3500 | 6.7L Diesel 2015
  • Ram 3500 | 6.7L Diesel 2014
  • Ram 3500 | 6.7L Diesel 2013

Ram 4500

  • Ram 4500 | 6.7L Diesel 2019
  • Ram 4500 | 6.7L Diesel 2018
  • Ram 4500 | 6.7L Diesel 2017
  • Ram 4500 | 6.7L Diesel 2016
  • Ram 4500 | 6.7L Diesel 2015
  • Ram 4500 | 6.7L Diesel 2014
  • Ram 4500 | 6.7L Diesel 2013

Ram 5500

  • Ram 5500 | 6.7L Diesel 2019
  • Ram 5500 | 6.7L Diesel 2018
  • Ram 5500 | 6.7L Diesel 2017
  • Ram 5500 | 6.7L Diesel 2015
  • Ram 5500 | 6.7L Diesel 2014
  • Ram 5500 | 6.7L Diesel 2013

Overall rating: 4.8 / 5 from 5 reviews.

AI Generated Review Summary

Summary topics

Review topics: [].

Review highlights

Reviews

Caps

"Very nice, just wish they had a teather cord to attach to the truck"

— Andrew T. (4/5)

Caps

"about time I did something worthwhile for my diesel and they wont crack over time!"

— Hugh P. (5/5)

caps

"perfect fit"

— RICKY S. (5/5)

AWESOME!!!

"Well made product, they fit like a dream and look great."

— Aaron K. (5/5)

Banks Revolver Billet Diesel and DEF cap

"Great products! Fit and finish are top notch."

— Jared R. (5/5)

Q&A

Where are these made?
These are made in USA
Are they making a cap for 21 ram 2500 diesel
We already offer it. https://bankspower.com/products/ram-billet-diesel-and-def-cap-kit