2017 Subaru Forester alternator — 2.5L, (ID 23700AA921) price snapshot
- Low
- $35
- Average
- $90
- High
- $209
Year & trim-specific price guide
Used 2017 Subaru Forester Alternator — 2.5L, (ID 23700AA921) prices
Trim-specific pricing for the 2.5L, (ID 23700AA921) variant of the 2017 Subaru Forester alternator, built from 46 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
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.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 17, 2026AS
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.
Price summary
A used 2017 Subaru Forester alternator (2.5L, (ID 23700AA921)) costs $35 to $209, with a median asking price of $80. Based on 46 priced salvage yard listings across the US, updated Sep 17, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$80
Grade B (good)$153
USD
Condition comparison
Price by part grade
Grade AClean / low wear$35–$20938 listings
Grade BStandard used$70–$1532 listings
Grade XUngraded$35–$756 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $35–$209 | 38 | |
| Grade BStandard used | $70–$153 | 2 | |
| Grade XUngraded | $35–$75 | 6 |
Median by grade
Grade price comparison
Grade A$80
Grade B$153
Ungraded$35
Median asking price by seller-reported condition grade · $35–$209 overall range
Trim-specific context
How does the 2.5L, (ID 23700AA921) compare?
This pricing covers the 2.5L, (ID 23700AA921) variant of the 2017 Subaru Forester alternator, based on 46 priced listings. Its $80 median is 0% above the 2017 Subaru Forester alternator overall median of $80.
There is 1 other alternator variant available for the 2017 Subaru Forester.
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 2017 Subaru Forester alternator variants are available?
Back to full guide
2017 Subaru Forester alternator — all trims
Common questions
2017 Subaru Forester alternator (2.5L, (ID 23700AA921)) FAQ
How much is a used 2017 Subaru Forester alternator (2.5L, (ID 23700AA921))?
Based on 46 priced salvage-yard listings, a used 2017 Subaru Forester alternator in the 2.5L, (ID 23700AA921) variant lists between $35 and $209, with a median asking price of $80.
Which years use the 2.5L, (ID 23700AA921) alternator?
In our current dataset, the 2.5L, (ID 23700AA921) variant appears only for the 2017 model year.