[Vehicle Fitment]: Capless Dual Fuel Filler Cartridges Compatible with Dodge Ram 1500/2500/3500 2013-2018, Diesel Engine ONLY
[Replace Part Number]: Fuel Filler Tube Neck Housing AAO-7006, 52029931AD, 52122665AE, 52029931AF, 52029931AA, 52029931AB, 52029931AC, 52029931AE, 68163959AB, 68163959AC, 68163959AD, 68163959AE, 68163959AF, 52122665AD; Gas Cap 52029561AA, 82214609, 55298
[Durable Material]: Made of reinforced plastic housing with a built-in stainless steel flap and high-tension spring for long-lasting performance and resistance to wear
[Upgraded Front-End Design]: Features a thickened plastic neck housing to prevent cracking during refueling, improving durability under frequent use. Replace just the faulty cartridge, not the full filler neck, for a more affordable and efficient repair
[Precision Engineering]: Machined from aircraft-grade aluminum, this DEF cap features an easy-to-grip handle that slides and locks smoothly in place, with a green & blue anodized finish and laser logo to clearly distinguish DEF
[NOTE]: This is only the capless fuel filler housing as pictured, not the full fuel system as designated by the Interchange Part Numbers. ONLY FITS Diesel Engine. Installation instructions can be easily found on YouTube