Ram 2500 fuel tank — Mega Cab (4 Dr), CNG (5.7L, VIN 2, 8th digit), rear tank price snapshot
- Low
- $85
- Average
- $267
- High
- $605

Trim-specific price guide
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
A used Ram 2500 fuel tank (Mega Cab (4 Dr), CNG (5.7L, VIN 2, 8th digit), rear tank) costs $85 to $605, with a median asking price of $192. Based on 24 priced salvage yard listings across the US, updated Oct 16, 2026. Prices exclude shipping, core charges, and installation.
Trim-specific context
This pricing covers the Mega Cab (4 Dr), CNG (5.7L, VIN 2, 8th digit), rear tank variant of the Ram 2500 fuel tank, based on 24 priced listings across 2 model years (2017, 2018). Its $192 median is 13% below the Ram 2500 fuel tank overall median of $220.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Price by model year
Other trims
Common questions
Based on 24 priced salvage-yard listings across 2 model years, a used Ram 2500 fuel tank in the Mega Cab (4 Dr), CNG (5.7L, VIN 2, 8th digit), rear tank variant lists between $85 and $605, with a median asking price of $192.
The Mega Cab (4 Dr), CNG (5.7L, VIN 2, 8th digit), rear tank variant appears in model years 2017, 2018. Prices and availability differ by year.
Grade data is limited for this variant. Check individual year pages for the most detail.