Used 2018 GMC Sierra 1500 throttle body – Throttle Valve Assembly, 5.3L

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 Throttle Body — Throttle Valve Assembly, 5.3L prices

Trim-specific pricing for the Throttle Valve Assembly, 5.3L variant of the 2018 GMC Sierra 1500 throttle body, built from 30 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · Throttle Valve Assembly, 5.3L

$100

median asking price

30 priced listings · $30–$189

Price summary

A used 2018 GMC Sierra 1500 throttle body (Throttle Valve Assembly, 5.3L) costs $30 to $189, with a median asking price of $100. Based on 30 priced salvage yard listings across the US, updated Sep 1, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$100
Grade B (good)$46

2018 GMC Sierra 1500 throttle body — Throttle Valve Assembly, 5.3L price snapshot

USD
Low
$30
Average
$103
High
$189
30 priced listings used · last updated Sep 1, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 Throttle Body (Throttle Valve Assembly, 5.3L)

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$46–$18915 listings
Grade BStandard used$46–$1896 listings
Grade CVisible wearUpdating
Grade XUngraded$30–$1509 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $30–$189 overall range

Trim-specific context

How does the Throttle Valve Assembly, 5.3L compare?

This pricing covers the Throttle Valve Assembly, 5.3L variant of the 2018 GMC Sierra 1500 throttle body, based on 30 priced listings. Its $100 median is 64% above the 2018 GMC Sierra 1500 throttle body overall median of $61.

There are 2 other throttle body variants available for the 2018 GMC Sierra 1500.

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

Same trim, other years

Throttle Valve Assembly, 5.3L in other model years

All years
201510 listings$78$46 – $160

Same year, other trims

What other 2018 GMC Sierra 1500 throttle body variants are available?

(throttle valve assembly), 6.2L

44 listings$61$30 – $193

(throttle valve assembly), 4.3L

39 listings$55$25 – $188

Back to full guide

2018 GMC Sierra 1500 throttle body — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 throttle body (Throttle Valve Assembly, 5.3L) FAQ

How much is a used 2018 GMC Sierra 1500 throttle body (Throttle Valve Assembly, 5.3L)?

Based on 30 priced salvage-yard listings, a used 2018 GMC Sierra 1500 throttle body in the Throttle Valve Assembly, 5.3L variant lists between $30 and $189, with a median asking price of $100.

Which years use the Throttle Valve Assembly, 5.3L throttle body?

The Throttle Valve Assembly, 5.3L variant appears in model years 2015, 2018. Prices and availability may differ by year.