Used GMC Sierra 1500 alternator from a salvage yard

Vehicle-specific price guide

How much is a used GMC Sierra 1500 alternator?

Asking prices from 573 salvage yards in 47 states, broken down by model year, condition grade, and fitment variant.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedNov 1, 2026
Strong coverage2,651 priced of 2,846 observed6 variantsMethodology v2.1 →

Part overview

About the GMC Sierra 1500 alternator

What the alternator does, common failure signs, and prices across all vehicles: used alternator price guide →

Price summary

A used GMC Sierra 1500 alternator costs $35 to $395, with a median asking price of $134. Based on 2,651 priced salvage yard listings across the US, compatible across 2014–2026 (13 model years), updated Nov 1, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$153
Grade B (good)$126
Grade C (fair)$61

GMC Sierra 1500 alternator price snapshot

USD
Low
$35
Average
$136
High
$395
2,846 listings observed · 2,651 pricedUpdated 15h ago· How we price·

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Reporting price for GMC Sierra 1500 Alternator

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Condition comparison

Price by part grade

Grade AClean / low wear$40–$3101,666 listings
Grade BStandard used$40–$395849 listings
Grade CVisible wear$35–$9517 listings
Grade XUngraded$35–$225119 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $35–$395 overall range

Regional supply

Where the GMC Sierra 1500 alternator is listed

We found priced GMC Sierra 1500 alternator listings at 573 salvage yards across 47 states. Illinois supplies the most, with 767 listings (13% of the total) from 22 yards. Location matters: yards in California ask a median $81, while Illinois yards ask $165, 104% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.

StateListingsYardsMedian ask
Illinois76722$165+23%
California43447$81-40%
Colorado43010$119-11%
Indiana40422$124-7%
Michigan32736$100-25%
Arizona28321$88-34%
Ohio27729$132-1%
Texas22438$95-29%

States with at least 10 priced listings. % is versus the $134 national median.

Replacement cost

What is the GMC Sierra 1500 alternator replacement cost?

ESTIMATE
Used part
$134
GMC Sierra 1500 median asking price
Labor
$95–$375
1–2.5 hours at $95–$150/hr
Estimated total
$230–$510
median used part + labor

Labor is a typical independent-shop range for alternator replacement, not a quote for your vehicle. The part price is the live median from the salvage-yard listings on this page. Full alternator replacement cost breakdown

Sources
  1. Labor time estimates: Part Price Guide labor database

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Alert for GMC Sierra 1500 Alternator

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Current avg: $136 — we suggest $116 (15% below)

Condition grade (optional)

Fitment matters

Price by trim & variant (2025)

220 amp (opt KW5), ID 1354092850 listingsInterchange 2022–2025$177$60 – $249
220 amp (opt KW5), ID 1355263950 listingsInterchange 2022–2025$177$60 – $249
220 amp (opt KW5), ID 1356103750 listingsInterchange 2022–2025$177$60 – $249
170 amp (opt KW7)49 listingsInterchange 2022–2025$165$50 – $249
220 amp (opt KW5), ID 1356103449 listingsInterchange 2022–2025$171$70 – $249
220 amp (opt KW5), ID 1355264046 listingsInterchange 2022–2026$169$50 – $258

Model-year comparison

What does a GMC Sierra 1500 alternator cost by year?

$77$102$128$154$18020152016201720182019202020212022202320242025
Median asking price by model year · salvage yard listing data

Market analysis

How much does a used GMC Sierra 1500 alternator cost?

Asking prices for a used GMC Sierra 1500 alternator are unusually spread out: the top listing asks more than ten times what the cheapest does, so which unit you pick matters more than the median. Condition matters: grade-A units (lowest mileage, best condition) carry roughly a 151% premium over grade-C stock, with grade-A medians at $153.

Fitment variant moves the price more than most buyers expect. The most affordable variant we track, 170 amp (opt KW7), lists at a $165 median, while 220 amp (opt KW5), ID 13561037 commands $177, a 7% gap inside the same part category. Confirm which variant your VIN requires before comparing quotes.

Model year matters too: 2015 units carry the lowest median at $85, while 2025 tops the table at $171. Parts from 2014–2022 are interchangeable, so if the 2015 fits your vehicle, it offers the best value across 8 compatible years.

Against comparable vehicles, the GMC Sierra 1500 sits 8% below the Ford F250 ($146), 2% above the Ford F150 ($132), and 7% above the Ram 1500 ($125) for the same part. The “similar vehicles” cards below open each comparison guide.

Buying a used alternator: what to check

  1. Ask for the amperage rating. The same vehicle can ship with multiple outputs.
  2. Bench-tested units are worth a small premium; ask for the test result.
  3. Check pulley type (solid vs clutched) matches your old unit.
  4. Low-mileage donors matter less here than test results. Brushes wear by hours, not miles.

Keep browsing this vehicle

What other GMC Sierra 1500 parts are priced?

Price comparisons

Compare GMC Sierra 1500 alternator prices

Compare fitments

What do similar vehicles charge for this part?

Common questions

GMC Sierra 1500 alternator FAQ

How much is a used alternator for a GMC Sierra 1500?

The median asking price is $134 across 2,651 priced listings from 573 yards. Grade-A units, the cleanest stock, have a median of $153. 2015 is the cheapest model year we track, with a median of $85.

How much does it cost to replace a GMC Sierra 1500 alternator?

Using a used part, a GMC Sierra 1500 alternator replacement typically runs $230–$510 all-in: the median used alternator for this model lists at $134, and independent-shop labor for alternator replacement typically takes 1–2.5 hours at $95–$150/hr ($95–$375). Labor is a national part-level estimate, not a quote for your vehicle.

Which GMC Sierra 1500 model years does this price guide cover?

This guide currently has year-level pricing for 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. Other model years contribute to the overall range where sellers listed them without a year breakdown.

Which GMC Sierra 1500 alternator years are interchangeable?

Salvage-yard interchange data links GMC Sierra 1500 alternator fitments across 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026. Searching all 13 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.

Used GMC Sierra 1500 Alternator Cost — From $35 to $395