Used GMC Sierra 1500 water pump – 5.3L, opt L8B, inline (auxiliary)

Trim-specific price guide

GMC Sierra 1500 Water Pump5.3L, opt L8B, inline (auxiliary) prices

Pricing for the 5.3L, opt L8B, inline (auxiliary) variant of the GMC Sierra 1500 water pump, aggregated from 22 salvage yard listings across 2 model years.
Price summary

A used GMC Sierra 1500 water pump (5.3L, opt L8B, inline (auxiliary)) costs $48 to $75, with a median asking price of $48. Based on 22 priced salvage yard listings across the US, updated Sep 12, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$48
Grade B (good)$48

GMC Sierra 1500 water pump — 5.3L, opt L8B, inline (auxiliary) price snapshot

USD
Low
$48
Average
$58
High
$75
22 priced listings across 2 model years· How we price·

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Reporting price for GMC Sierra 1500 Water Pump (5.3L, opt L8B, inline (auxiliary))

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$48$7520 listings
Grade BStandard used$48$482 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $48$75 overall range

Trim-specific context

How is the 5.3L, opt L8B, inline (auxiliary) priced differently?

This pricing covers the 5.3L, opt L8B, inline (auxiliary) variant of the GMC Sierra 1500 water pump, based on 22 priced listings across 2 model years (2017, 2018). Its $48 median is 50% below the GMC Sierra 1500 water pump overall median of $96.

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

Price by model year

What does a 5.3L, opt L8B, inline (auxiliary) cost by year?

Other trims

Other GMC Sierra 1500 water pump variants

Common questions

GMC Sierra 1500 water pump (5.3L, opt L8B, inline (auxiliary)) FAQ

How much is a used GMC Sierra 1500 water pump (5.3L, opt L8B, inline (auxiliary))?

Based on 22 priced salvage-yard listings across 2 model years, a used GMC Sierra 1500 water pump in the 5.3L, opt L8B, inline (auxiliary) variant lists between $48 and $75, with a median asking price of $48.

Which GMC Sierra 1500 years use the 5.3L, opt L8B, inline (auxiliary) water pump?

The 5.3L, opt L8B, inline (auxiliary) variant appears in model years 2017, 2018. Prices and availability differ by year.

Is there a price difference between 5.3L, opt L8B, inline (auxiliary) condition grades?

Yes. Grade A has a median of $48, Grade B has a median of $48. Grade A parts are in excellent condition, B is good, and C is fair.