Since this is a customized part, all orders are made to match your specific requirements, and cannot be sold again.
2019-2022 GMC Sierra Rear Step Bumper Assembly Single Exhaust W/BSD WO/Hitch OEM# 84574366-PFM PL# GM1103209
Product Details
Upgrade your Chevrolet / GMC Sierra/PU 1500 (GMC) truck with this high-quality Rear Step Bumper Assembly, designed specifically for the models. This replacement part offers an OEM fit that ensures seamless compatibility and a straightforward installation process. Built to meet or exceed original equipment standards, this rear step bumper assembly is primed and ready for painting to match your vehicle's style.
Manufactured with durable materials for strength and longevity, it features a single exhaust design, with backup sensor detection (BSD), and is compatible with models without a hitch. The OEM part number for this assembly is 84574366-PFM, and it corresponds to Partslink number GM1103209, confirming its authenticity and fitment accuracy.
This rear step bumper assembly is a perfect replacement for damaged or worn-out parts, restoring your truck's rear appearance and functionality. The primed finish allows for easy paint customization to complement your vehicle’s exterior, providing both style and protection against corrosion. Installation is direct bolt-on, requiring no modifications, saving you time and effort.
Ensure your Chevy or GMC Sierra/PU 1500 stays reliable and looking great with this OEM compatible rear step bumper assembly. Trust the OEM# 84574366-PFM and PL# GM1103209 to guarantee the right fit and long-lasting performance for your truck.
Painted Services

Professional-Grade Auto Parts Painting
Every bumper, hood, fender, mirror, or radiator support is painted with high-quality materials for a long-lasting finish that matches body shop standards.
Three-Coat System with Clear Coat
Each part receives multiple coats of paint plus a clear coat for durability and a flawless finish.
Know Before You Order
All painted parts are not returnable and are FINAL SALE.
Inspect all parts before accepting delivery.
If you notice any damage, refuse the shipment—this is the only way we can file a claim. Accepted damaged shipments may incur shipping and restocking fees.
Aging paint & color matching consideration.
We match paint using OEM factory codes, but older vehicles present more challenges. Over time, sun exposure, oxidation, and previous repaints can significantly alter your car’s color.
Parts Classification Guide:
Understand Your Options
Original Equipment Manufacturer (OEM) Parts – Built by the same manufacturers that supply parts to automakers, ensuring factory fit and quality.
Certified Aftermarket – Tested and verified to meet OEM specifications, providing a reliable option for OEM replacement parts.
TYC Parts – Aftermarket Parts designed to match OEM fit, offering a great balance of price and quality from one of the top aftermarket manufacturers.
Value Aftermarket – Generic replacement parts designed for your vehicle, focused on price savings over original manufacturer branding.
Note: Not all parts are available in every option. If you don’t see your vehicle’s part listed under a specific category, it means we currently do not have it in stock.
























