Year & trim-specific price guide

Used 2018 Cadillac CTS Water Pump — 3.6L, VIN S (8th digit, opt LGX) prices

Trim-specific pricing for the 3.6L, VIN S (8th digit, opt LGX) variant of the 2018 Cadillac CTS water pump, built from 35 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 updatedOct 2, 2026

2018 Cadillac CTS · 3.6L, VIN S (8th digit, opt LGX)

$97

median asking price

35 priced listings · $30–$184

Price summary

A used 2018 Cadillac CTS water pump (3.6L, VIN S (8th digit, opt LGX)) costs $30 to $184, with a median asking price of $97. Based on 35 priced salvage yard listings across the US, updated Oct 2, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$97

Grade B (good)$168

2018 Cadillac CTS water pump — 3.6L, VIN S (8th digit, opt LGX) price snapshot

USD

Low: $30
Average: $105
High: $184

35 priced listings used · last updated Oct 2, 2026· How we price·

Condition comparison

Price by part grade

Grade AClean / low wear$30–$18126 listings

Grade BStandard used$45–$1847 listings

Grade XUngraded$41–$752 listings

Grade	Price range	Listings
Grade AClean / low wear	$30–$181	26
Grade BStandard used	$45–$184	7
Grade XUngraded	$41–$75	2

Median by grade

Grade price comparison

Grade A$97

Grade B$168

Ungraded$75

Median asking price by seller-reported condition grade · $30–$184 overall range

Trim-specific context

How does the 3.6L, VIN S (8th digit, opt LGX) compare?

This pricing covers the 3.6L, VIN S (8th digit, opt LGX) variant of the 2018 Cadillac CTS water pump, based on 35 priced listings. Its $97 median is 94% above the 2018 Cadillac CTS water pump overall median of $50.

There are 2 other water pump variants available for the 2018 Cadillac CTS.

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

Same trim, other years

3.6L, VIN S (8th digit, opt LGX) in other model years

All years

201939 listings$75$25 – $184 201735 listings$75$25 – $184 201635 listings$97$30 – $184

Same year, other trims

What other 2018 Cadillac CTS water pump variants are available?

3.6L, VIN 8 (8th digit, opt LF3)

32 listings$50$20 – $230

2.0L

17 listings$65$25 – $272

Back to full guide

2018 Cadillac CTS water pump — all trims

View 2018 guide

Common questions

2018 Cadillac CTS water pump (3.6L, VIN S (8th digit, opt LGX)) FAQ

How much is a used 2018 Cadillac CTS water pump (3.6L, VIN S (8th digit, opt LGX))?

Based on 35 priced salvage-yard listings, a used 2018 Cadillac CTS water pump in the 3.6L, VIN S (8th digit, opt LGX) variant lists between $30 and $184, with a median asking price of $97.

Which years use the 3.6L, VIN S (8th digit, opt LGX) water pump?

The 3.6L, VIN S (8th digit, opt LGX) variant appears in model years 2016, 2017, 2018, 2019. Prices and availability may differ by year.