Year & trim-specific price guide

Used 2021 Ram 2500 Master Cylinder — vacuum boost prices

Trim-specific pricing for the vacuum boost variant of the 2021 Ram 2500 master cylinder, built from 41 real salvage yard listings with condition grade detail.

SKWritten bySaurabh Kumar · Co-Founder & CTO

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.

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ASReviewed byAmbika Sharma · Co-Founder & COO

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.

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Last updatedSep 26, 2026

2021 Ram 2500 · vacuum boost

$106

median asking price

41 priced listings · $30–$305

Price summary

A used 2021 Ram 2500 master cylinder (vacuum boost) costs $30 to $305, with a median asking price of $106. Based on 41 priced salvage yard listings across the US, updated Sep 26, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$106

Grade B (good)$106

2021 Ram 2500 master cylinder — vacuum boost price snapshot

USD

Low: $30
Average: $139
High: $305

41 priced listings used · last updated Sep 26, 2026· How we price·

Condition comparison

Price by part grade

Grade AClean / low wear$75–$30519 listings

Grade BStandard used$30–$30522 listings

Grade	Price range	Relative range	Listings
Grade AClean / low wear	$75–$305		19
Grade BStandard used	$30–$305		22

Median by grade

Grade price comparison

Grade A$106

Grade B$106

Median asking price by seller-reported condition grade · $30–$305 overall range

Trim-specific context

How does the vacuum boost compare?

This pricing covers the vacuum boost variant of the 2021 Ram 2500 master cylinder, based on 41 priced listings. Its $106 median is 12% below the 2021 Ram 2500 master cylinder overall median of $120.

There is 1 other master cylinder variant available for the 2021 Ram 2500.

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

Same trim, other years

vacuum boost in other model years

All years

202540 listings$95$45 – $233 202445 listings$94$45 – $233 202340 listings$95$45 – $233 20227 listings$177$30 – $185 20207 listings$199$45 – $233 201945 listings$94$45 – $233 201835 listings$63$35 – $288 201742 listings$99$35 – $250

Same year, other trims

What other 2021 Ram 2500 master cylinder variants are available?

hydro-boost

42 listings$172$46 – $305

Back to full guide

2021 Ram 2500 master cylinder — all trims

View 2021 guide

Common questions

2021 Ram 2500 master cylinder (vacuum boost) FAQ

How much is a used 2021 Ram 2500 master cylinder (vacuum boost)?

Based on 41 priced salvage-yard listings, a used 2021 Ram 2500 master cylinder in the vacuum boost variant lists between $30 and $305, with a median asking price of $106.

Which years use the vacuum boost master cylinder?

The vacuum boost variant appears in model years 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.