Since this is a customized part, all orders are made to match your specific requirements, and cannot be sold again.
2011-2014 Chevrolet GMC Sierra PU 2500 3500 Door Mirror Left Driver Side Manual OEM# 20843118 PL# GM1320332
Product Details
Upgrade or replace your damaged door mirror with the GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) DOOR MIRROR LEFT (Driver Side) MANUAL (STD) (M-FLOD). This replacement mirror is designed to perfectly fit Chevrolet and GMC Sierra and PU 2500/3500 trucks, ensuring an OEM fit and reliable performance. It comes painted to match your vehicle’s original color, saving you time and effort on customization, and providing a seamless look.
Manufactured to meet OEM specifications, this door mirror features a manual adjustment mechanism (STD), offering durability and ease of use. The mirror housing is made from high-quality materials, engineered to withstand daily wear and harsh environmental conditions. Installation is straightforward, designed for a direct bolt-on replacement that requires no modifications, making it an ideal choice for both DIY enthusiasts and professional technicians.
This left driver side door mirror carries the OEM part number 20843118 and the PartsLink number GM1320332, guaranteeing compatibility with your vehicle. Its robust construction ensures long-lasting performance, restoring safety and visibility during your drives.
Choose this replacement door mirror for your GM Sierra or PU 2500/3500 truck to maintain the integrity of your vehicle’s appearance and function. Trust in a product designed for reliable fit and compatibility, providing you with peace of mind on every journey.
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.
























