Seal the fuel filler neck and keep your EVAP system tight with the Dorman - HELP Fuel Tank Cap 55298. It installs as a direct-fit replacement for the listed 2021 Jeep Gladiator, 2017-2020 Jeep Grand Cherokee, 2020-2021 Jeep Wrangler, 2018 and 2020-2021 Ram 1500, 2019 Ram 1500 Classic, 2013-2021 Ram 2500, and 2013-2021 Ram 3500. A fuel tank cap threads onto the filler neck to seal the fuel system and help keep dirt and debris out of the tank.
- Sealing job: Closes the filler neck to maintain the fuel and evaporative-emissions system as designed.
- Direct replacement: Built to swap in for a cap that is worn, cracked, or missing.
- Signs it may need replacing: A fuel odor, a cap that won't click tight, or an EVAP-related check engine light. If a loose or failed cap is the cause, this replaces it — diagnose the code first, as other components can trigger it.
Interchange: 52029561AA · 82214609
Manufacturer part number 55298.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this fuel tank cap do?
It threads onto the fuel filler neck to seal the fuel and evaporative-emissions system and helps keep dirt and debris out of the tank.
Will this cap fit my vehicle?
It's a direct-fit replacement for applications including the 2021 Jeep Gladiator, 2017-2020 Grand Cherokee, 2020-2021 Wrangler, Ram 1500, 1500 Classic, and 2013-2021 Ram 2500 and 3500. See the Buyer's Guide tab.
Can a bad fuel cap turn on my check engine light?
A loose, cracked, or failed cap can trigger an EVAP-related check engine light. Diagnose the stored code first, since other components can cause it; if the cap is the cause, this replaces it.
What are the signs my fuel cap needs replacing?
Common signs include a fuel odor, a cap that won't click or seal tight, or an EVAP-related check engine light.
What interchange numbers does this cap replace?
It cross-references 52029561AA and 82214609. Its own manufacturer part number is 55298.
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