2020 GMC Sierra 1500 rear bumper assembly — single exhaust (opt NB5), park assist (side obstacle detection), chrome price snapshot
- Low
- $200
- Average
- $614
- High
- $1,141
Year & trim-specific price guide
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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.
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.
A used 2020 GMC Sierra 1500 rear bumper assembly (single exhaust (opt NB5), park assist (side obstacle detection), chrome) costs $200 to $1,141, with a median asking price of $595. Based on 24 priced salvage yard listings across the US, updated Sep 19, 2026. Prices exclude shipping, core charges, and installation.
Trim-specific context
This pricing covers the single exhaust (opt NB5), park assist (side obstacle detection), chrome variant of the 2020 GMC Sierra 1500 rear bumper assembly, based on 24 priced listings. Its $595 median is 18% below the 2020 GMC Sierra 1500 rear bumper assembly overall median of $725.
There are 7 other rear bumper assembly variants available for the 2020 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
Same year, other trims
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Common questions
Based on 24 priced salvage-yard listings, a used 2020 GMC Sierra 1500 rear bumper assembly in the single exhaust (opt NB5), park assist (side obstacle detection), chrome variant lists between $200 and $1,141, with a median asking price of $595.
The single exhaust (opt NB5), park assist (side obstacle detection), chrome variant appears in model years 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.