Used 2018 Nissan Frontier fuel tank – (21.1 gallon), flex fuel

Year & trim-specific price guide

Used 2018 Nissan Frontier Fuel Tank — (21.1 gallon), flex fuel prices

Trim-specific pricing for the (21.1 gallon), flex fuel variant of the 2018 Nissan Frontier fuel tank, built from 16 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 23, 2026

2018 Nissan Frontier · (21.1 gallon), flex fuel

$125

median asking price

16 priced listings · $75–$222

Price summary

A used 2018 Nissan Frontier fuel tank ((21.1 gallon), flex fuel) costs $75 to $222, with a median asking price of $125. Based on 16 priced salvage yard listings across the US, updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.

2018 Nissan Frontier fuel tank — (21.1 gallon), flex fuel price snapshot

USD
Low
$75
Average
$136
High
$222
16 priced listings used · last updated Sep 23, 2026· How we price·

Report incorrect price

Reporting price for 2018 Nissan Frontier Fuel Tank ((21.1 gallon), flex fuel)

Reason

Trim-specific context

How does the (21.1 gallon), flex fuel compare?

This pricing covers the (21.1 gallon), flex fuel variant of the 2018 Nissan Frontier fuel tank, based on 16 priced listings. Its $125 median is 34% below the 2018 Nissan Frontier fuel tank overall median of $188.

There is 1 other fuel tank variant available for the 2018 Nissan Frontier.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Same year, other trims

What other 2018 Nissan Frontier fuel tank variants are available?

(21.1 gallon), w/o flex fuel

25 listings$190$82 – $275

Back to full guide

2018 Nissan Frontier fuel tank — all trims

View 2018 guide

Common questions

2018 Nissan Frontier fuel tank ((21.1 gallon), flex fuel) FAQ

How much is a used 2018 Nissan Frontier fuel tank ((21.1 gallon), flex fuel)?

Based on 16 priced salvage-yard listings, a used 2018 Nissan Frontier fuel tank in the (21.1 gallon), flex fuel variant lists between $75 and $222, with a median asking price of $125.

Which years use the (21.1 gallon), flex fuel fuel tank?

In our current dataset, the (21.1 gallon), flex fuel variant appears only for the 2018 model year.

2018 Nissan Frontier Fuel Tank · (21.1 gallon), flex fuel Prices | Part Price Guide