Cap Assy, Fuel Tank (Toyota OEM) vs RAM Diesel Fuel Cap + DEF Cap Combo (2013-2018) Easy Grip

Overall winner: RAM Diesel Fuel Cap + DEF Cap Combo (2013-2018) Easy Grip

Key Differences

Ronin Factory's combo (A) is the more affordable option with magnetic attachment, dirt/water protection, and an easy-grip DEF cap aimed at broader use across RAM diesel models (note possible 2019 fit issues). Toyota's OEM cap (B) provides vehicle-specific fit and OEM quality for Toyota vehicles but has some reported seal leaks and fewer versatility features

Cap Assy, Fuel Tank (Toyota OEM)

Cap Assy, Fuel Tank (Toyota OEM)

Toyota • ★ 3.9/5 • Budget

Fuel tank cap assembly, OEM Toyota quality and vehicle-specific fit. Customers say it snaps in place with easy installation and matches their vehicle, though some report leak concerns in the seal

Pros

  • vehicle-specific fit
  • OEM quality
  • easy installation
  • snaps into place

Cons

  • seal leaks reported by some users
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RAM Diesel Fuel Cap + DEF Cap Combo (2013-2018) Easy Grip

RAM Diesel Fuel Cap + DEF Cap Combo (2013-2018) Easy Grip

Ronin Factory • ★ 4.2/5 • Budget

Combo pack with a magnetic RAM diesel fuel cap and DEF cap. Keeps dirt and water out of the fill, with a smooth, easy-to-grip DEF cap and durable aluminum construction. Customers note secure magnetic attachment and OEM-like fit

Pros

  • magnetic attachment to metal surface
  • diesel-cap dirt and water protection
  • easy-grip DEF cap with smooth operation
  • aircraft-grade aluminum construction

Cons

  • may not fit 2019 models
  • some claims rely on compatibility with EVAP system
  • requires proper O-ring sizing for fit
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Head-to-Head

CriteriaWinner
Price Ronin Factory
Durability Toyota
Versatility Ronin Factory
User Reviews Tie