Mopar 52030377AB Fuel Cap – OEM Diesel Fuel Tank Cap for Dodge Ram

Replace your old or missing diesel fuel cap with the Mopar 52030377AB – a genuine OEM replacement designed to provide a secure seal, prevent fuel evaporation, and maintain proper fuel system pressure.

Key Features:

• Genuine Mopar OEM diesel fuel cap
• Built to factory specifications for a perfect fit
• Helps maintain fuel system integrity and emissions control
• Durable construction with tether strap included
• Seals tightly to prevent leaks and fuel odor

Vehicle Compatibility:

Fits select Dodge Ram models with diesel engines:

• Dodge Ram 2500 / 3500 (1998–2002) – 5.9L Cummins Diesel
• Also fits other models using threaded diesel fuel filler necks (verify fitment)

🔍 Check your vehicle’s VIN or existing cap part number to ensure correct fit.

Cross Reference Part Numbers:

• Mopar: 52030377AB
• Replaces: 52030377AA
• May be interchangeable with aftermarket equivalents, but this is the OEM part

What’s Included:

• 1x Mopar 52030377AB Diesel Fuel Cap with tether (OEM packaging)

Ships Fast Across the USA

All orders ship within 1–2 business days. Tracking provided.

Get the Mopar quality your Ram truck deserves.

OEM fit. Sealed protection. No warning lights.