Used 2018 Acura RDX alternator – 3.6L, 170 amp (opt KW7)

Year & trim-specific price guide

Used 2018 Acura RDX Alternator — 3.6L, 170 amp (opt KW7) prices

Trim-specific pricing for the 3.6L, 170 amp (opt KW7) variant of the 2018 Acura RDX alternator, built from 45 real salvage yard listings with condition grade detail.

2018 Acura RDX · 3.6L, 170 amp (opt KW7)

$110

median asking price

45 priced listings · $56–$272

Price summary

A used 2018 Acura RDX alternator (3.6L, 170 amp (opt KW7)) costs $56 to $272, with a median asking price of $110. Based on 45 priced salvage yard listings across the US, updated Sep 11, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$135
Grade B (good)$85

2018 Acura RDX alternator — 3.6L, 170 amp (opt KW7) price snapshot

USD
Low
$56
Average
$139
High
$272
45 priced listings used · last updated Sep 11, 2026· How we price·

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Reporting price for 2018 Acura RDX Alternator (3.6L, 170 amp (opt KW7))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$65–$27229 listings
Grade BStandard used$56–$26015 listings
Grade CVisible wearUpdating
Grade XUngraded$149–$1491 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $56–$272 overall range

Trim-specific context

How does the 3.6L, 170 amp (opt KW7) compare?

This pricing covers the 3.6L, 170 amp (opt KW7) variant of the 2018 Acura RDX alternator, based on 45 priced listings. Its $110 median is 18% above the 2018 Acura RDX alternator overall median of $93.

There are 2 other alternator variants available for the 2018 Acura RDX.

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 Acura RDX alternator variants are available?

3.6L, 155 amp (opt KW8)

48 listings$135$35 – $237

2.5L

44 listings$85$46 – $271

Back to full guide

2018 Acura RDX alternator — all trims

View 2018 guide

Common questions

2018 Acura RDX alternator (3.6L, 170 amp (opt KW7)) FAQ

How much is a used 2018 Acura RDX alternator (3.6L, 170 amp (opt KW7))?

Based on 45 priced salvage-yard listings, a used 2018 Acura RDX alternator in the 3.6L, 170 amp (opt KW7) variant lists between $56 and $272, with a median asking price of $110.

Which years use the 3.6L, 170 amp (opt KW7) alternator?

In our current dataset, the 3.6L, 170 amp (opt KW7) variant appears only for the 2018 model year.