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.
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.
Both caps feature a strong neodymium magnet to conveniently attach them to your fuel door while at the pump. Never lose your cap again!
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.
Billet Diesel and DEF Cap Kit
2019-2023 RAM 1500 3.0L Diesel
2019-2026 RAM 2500-3500 6.7L Diesel
does not fit Chassis-Cab
Premium Anodized Finish
Magnetic Base
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.
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.
Both caps feature a strong neodymium magnet to conveniently attach them to your fuel door while at the pump. Never lose your cap again!
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.
Overall rating: 4.945783 / 5 from 166 reviews.
Customers highly appreciate the perfect fit, strong magnets, and excellent quality of these diesel and DEF filler caps. They also praise the great looks and precise finish, making them a reliable and stylish choice for 5th Gen RAM owners.
Review topics: ["fit","looks","quality","shipping","finish","design","paint","issues","replacement","protection","feel","caps","cap","works","magnet","banks","upgrade","addition","function","engine","seal","fuel","truck","piece","settings","construction","fill","machining"].
"I am a Banks fan and buy something every few months to improve my RAM 2500. I already upgraded my diesel cap with one off Amazon but wanted a matching Def cap. So I purchased the Banks set. I have to say, because Banks Gale would want to know, that the diesel cap magnet is weak compare to a generic Amazon version. So much that is slides down the back of my fuel cover. I highly suggest increasing the magnet size to maintain Banks being the BEST!!"
"I live in the desert and wanted something to keep blowing sand and dust out of the capless filler neck. This fit the bill perfectly. The companion Def cap is a perfect replacement for the cheap plastic OEM one. The magnets make both caps easy to stick to the fuel door hinge while serving either Diesel or Def."
"Since I’m a first time diesel owner, I purchased these caps to slow me down at the pump to make sure I didn’t grab the wrong pump Green pump handle Green cap I will not put gas into my diesel because it’ll be very expensive slow as fast fast is wrong"
"My diesel Ram only came with a disposable plastic cap. I wanted to keep the diesel filler spout clean. This cap does it in style"
"They are tremendous. Since purchasing my Ram 2500 I was always concerned that while adding Def the nozzle might slip and have Def spill into the capless Diesel port. These caps have taken care of that. Plus, it helps those who may slip up and pour Def into the Diesel port with the capless system these caps add another safe guard for that. I also like the strong magnets on each cap for allowing you to attach them to the fuel door while adding either Def or Diesel. As always Excellent job Banks!! You think of everything."
"I am pleased with my purchase. I love how the fuel and DEF caps twist-lock into place, and the magnets are a plus."
"Perfect fit, high quality and they look Awesome! I just got to hope no one steals them!!!"
"Well built and classy. These seal all dirt and moisture out of the two tanks prolonging clean filters and preventing engine damage."
"As always the Banks products delivered. Quality parts and fit no problem. I have ordered in the past other parts and will keep doing so. Thanks Banks"
"Excellent stuff as always. You might pay a little more for Banks products but the quality is of their parts is top notch. Would buy again but won't need to."
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