About This Product

Prevents debris from entering the fuel and DEF filler necks on your 5th 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. Twist-to-lock with a Viton O-ring for no leaks.

Fitment Note
Does Not Fit Chassis-Cabs
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 (5th Gen Ram) Switch To 66701 (4th Gen Ram)
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
  • Twist-to-lock
  • Laser etched Banks logo
Specifications
Banks Revolver billet fuel and DEF fill camps prevent debris from entering the fuel and DEF filler necks on your 5th 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. Twist-to-lock with a Viton O-ring for no leaks.
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.

Our premium diesel and DEF fill caps for 2019-Current 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.

Banks DEF and Diesel Fill Caps

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

Just twist to lock them in place. Their included o-rings will prevent dirt, debris, and anything else from falling into your fuel or DEF system.

Banks DEF and Diesel Fill Caps Installed

Banks Revolver Billet Diesel & DEF Caps

Billet Diesel and DEF Cap Kit

SKU #66700

2019-2023 RAM 1500 3.0L Diesel
2019-2024 RAM 2500-3500 6.7L Diesel
does not fit Chassis-Cab

Premium Anodized Finish
Magnetic Base

Overwhelming Demand, New Orders Ship in 4-6 Weeks
$99.00
MSRP: $110.00


carb e.o. not required
Banks Revolver Billet Diesel & DEF Caps
About This Product

Prevents debris from entering the fuel and DEF filler necks on your 5th 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. Twist-to-lock with a Viton O-ring for no leaks.

Fitment Note
Does Not Fit Chassis-Cabs
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 (5th Gen Ram) Switch To 66701 (4th Gen Ram)
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
  • Twist-to-lock
  • Laser etched Banks logo
Specifications
Banks Revolver billet fuel and DEF fill camps prevent debris from entering the fuel and DEF filler necks on your 5th 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. Twist-to-lock with a Viton O-ring for no leaks.
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.

Our premium diesel and DEF fill caps for 2019-Current 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.

Banks DEF and Diesel Fill Caps

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

Just twist to lock them in place. Their included o-rings will prevent dirt, debris, and anything else from falling into your fuel or DEF system.

Banks DEF and Diesel Fill Caps Installed