Honda Genuine Fuel Filler Cap 17670-T3W-A01 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

Choose Ronin Factory (A) if you want a lower-priced combo with magnetic attachment, diesel dirt/water protection, and an easy-grip DEF cap for many RAM model years (2013–2018). Choose Honda (B) if you need a genuine OEM filler cap with exact-fit and proven durability for Honda vehicles, despite mixed tether installation reports

Honda Genuine Fuel Filler Cap 17670-T3W-A01

Honda Genuine Fuel Filler Cap 17670-T3W-A01

Honda • ★ 3.9/5 • Budget

Genuine OEM fuel filler cap designed for exact fit and durability. Consumers note authentic Honda quality and fit, with some praise for improved gas mileage and easy installation; a few report tether attachment issues

Pros

  • genuine oem factory part
  • exact fit
  • durable
  • authentic Honda part

Cons

  • mixed installation experiences with tether
  • not aftermarket
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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 Honda
Versatility Ronin Factory
User Reviews Ronin Factory