Driver Side Floor Panel Rear Outer Reinforcement Reinforcement - GM (20939836)
Genuine OEM GM Parts & Accessories - 20939836
Driver Side Floor Panel Rear Outer Reinforcement Reinforcement - GM (20939836)
Genuine OEM GM Parts & Accessories - 20939836
- GM
- 20939836
Fast Delivery
Most in-stock items ship within 1–3 business days. Special orders may take longer.
OEM Parts. Wholesale Prices.
Genuine OEM parts with a nationwide warranty. Lowest pricing guaranteed.
Shop With Confidence
Secure checkout, verified fitment, and dealer-backed support from real parts experts.
- MSRP: $16.65
- You Save: $3.62 (21.7% off)
- Sale Price: $13.03
- MSRP: $16.65
- You Save: $3.62 (21.7% off)
- Sale Price: $13.03

Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
- GM
- 20939836
Details
- Brand:
- SKU:
20939836
- Positions: Left Outer, Left Rear, Left Rear Outer, Rear Left Outer Outer, Rear Left Outer Rear, Rear Left Outer Rear Outer, Center Left Outer, Center Left Rear, Center Left Rear Outer
- Other Names:
Seat Reinforced
- Description: GM Genuine Parts Driver Side Floor Panel Rear Outer Reinforcement Reinforcement (Part Number: 20939836) is a structural floor-panel reinforcement designed to secure and support the vehicle floor pan and seat area. This component is engineered and tested to meet General Motors (GM) collision-repair standards.
- Type: Hinge Pins & Bushings / Reinforcement
- Function: Provides structural support for the driver-side rear outer floor panel and helps ensure proper attachment points for the seat and surrounding body panels
- Fitment role: Designed as an OE-style replacement to restore factory strength and crash performance after repair
- Also known as: Seat Reinforced
Trust World Parts Direct — a USA-based source offering competitive pricing, a compatibility guarantee, expert technical support, and an OEM-backed warranty.
- Condition: New
WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Driver Side Floor Panel Rear Outer Reinforcement Reinforcement for your vehicle. GM Parts & Accessories Limited Warranty.