Year & trim-specific price guide

Used 2021 GMC Sierra 1500 Rear Bumper Assembly — single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted prices

Trim-specific pricing for the single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted variant of the 2021 GMC Sierra 1500 rear bumper assembly, built from 30 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 23, 2026
Price summary

A used 2021 GMC Sierra 1500 rear bumper assembly (single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted) costs $300 to $975, with a median asking price of $575. Based on 30 priced salvage yard listings across the US, updated Sep 23, 2026. Prices exclude shipping, core charges, and installation.

2021 GMC Sierra 1500 rear bumper assembly — single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted price snapshot

USD
Low
$300
Average
$565
High
$975
30 priced listings used · last updated Sep 23, 2026· How we price·

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Reporting price for 2021 GMC Sierra 1500 Rear Bumper Assembly (single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted)

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Trim-specific context

How does the single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted compare?

This pricing covers the single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted variant of the 2021 GMC Sierra 1500 rear bumper assembly, based on 30 priced listings. Its $575 median is 10% below the 2021 GMC Sierra 1500 rear bumper assembly overall median of $641.

There are 7 other rear bumper assembly variants available for the 2021 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

single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted in other model years

Same year, other trims

What other 2021 GMC Sierra 1500 rear bumper assembly variants are available?

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2021 GMC Sierra 1500 rear bumper assembly — all trims

Common questions

2021 GMC Sierra 1500 rear bumper assembly (single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted) FAQ

How much is a used 2021 GMC Sierra 1500 rear bumper assembly (single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted)?

Based on 30 priced salvage-yard listings, a used 2021 GMC Sierra 1500 rear bumper assembly in the single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted variant lists between $300 and $975, with a median asking price of $575.

Which years use the single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted rear bumper assembly?

The single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted variant appears in model years 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.

2021 GMC Sierra 1500 Rear Bumper Assembly · single exhaust (opt NB5), w/o park assist; (without side obstacle detection), painted Prices | Part Price Guide