GM 20843120 Rear View Mirror Left Mf El Htd GM900 Mf/el/htd/flt

( Brand: Gm ), ( Manufacturer Part Number: 20843120 ), ( Color: Black ), ( Material: Plastic ), ( Vintage Part: No ), ( Placement On Vehicle: Left ), ( Type: Standard Mirror Assembly ), ( Mirror Adjustment Method: Manual Fold ), ( Attachment Type: Bolt-on ), ( Features: Side View ), ( Finish: Textured )

Review GM Oem Chevy Left Hand Side View Mirror Mf/el/htd/flt Chrome fits FLT

The **GM 20843120 Chevy Left View Mirror (GM900 MF/EL/HTD/FLT)** is a premium, high-performance exterior side mirror designed specifically for General Motors vehicles, offering a blend of advanced functionality, durability, and sleek aesthetics. This mirror is engineered to meet the rigorous standards of modern automotive design while ensuring optimal visibility and convenience for drivers. The **GM900 series** is renowned for its robust construction, featuring a **molded frame** that combines strength with a polished, matte-finish exterior, blending seamlessly with the vehicle s bodywork. The **EL (Electronic Lock)** mechanism allows for effortless adjustment with a simple push of a button, eliminating the need for manual twisting and providing a more refined user experience. For added convenience, the **HTD (High-Tension Drive)** system ensures smooth, precise movement, reducing wear and tear over time, while the **FLT (Foldable)** feature enables the mirror to tuck neatly into the door panel when not in use, enhancing both functionality and storage space.

This mirror is equipped with a **high-quality, tinted glass lens** that minimizes glare from sunlight and oncoming headlights, improving visibility during both day and night driving. The **magnetic or mechanical mounting system** (depending on the vehicle application) guarantees a secure and stable fit, preventing rattling or misalignment even at higher speeds. The **durable, weather-resistant materials** used in its construction ensure resistance to corrosion, UV degradation, and environmental elements, making it suitable for a wide range of climates. Whether installed on a **Chevrolet, GMC, or Buick** model, this mirror is designed to enhance both the practicality and the aesthetic appeal of the vehicle, offering drivers a reliable and stylish accessory that complements the modern, performance-oriented driving experience. Its thoughtful engineering and attention to detail make it an ideal upgrade for those seeking both form and function in their automotive accessories.

### **Pros and Cons of buying a GM 20843120 Chevy Left View Mirror (GM900 MF/EL/HTD/FLT)**

1. **Compatibility** This is an OEM (Original Equipment Manufacturer) part designed specifically for GM vehicles, ensuring a perfect fit without modifications. It is compatible with models that require the GM900 series mirror, including certain Chevrolet, GMC, and Cadillac vehicles from the late 2000s to early 2010s.

2. **Quality Construction** GM parts are generally built to high standards, offering durability and reliability compared to aftermarket alternatives. The mirror is likely made with sturdy materials, including metal housing and tempered glass for the reflective surface.

3. **Electronic Features** The "EL" designation indicates this mirror has an **electronic adjustment** (likely powered by the vehicle s electrical system), allowing for easy up/down and left/right adjustments via a control switch. This is more convenient than manual mirrors, especially in larger vehicles.

4. **Heated Mirror (HTD)** The "HTD" designation confirms this mirror includes a **heated element**, which prevents ice, snow, or condensation from obstructing the driver s view in cold or humid conditions. This is a valuable feature for drivers in colder climates.

5. **Fog Light (FLT)** The "FLT" designation indicates the mirror includes a **fog light**, which can improve visibility in low-light or foggy conditions. This is particularly useful for safety during night driving or adverse weather.

6. **Aesthetic Consistency** Replacing with an OEM part ensures the mirror matches the original design of the vehicle, maintaining the factory look without the need for custom trim or adjustments.

7. **Warranty Coverage** If purchased from an authorized dealer or a reputable online retailer, this part may come with a manufacturer s warranty, providing peace of mind against defects.

8. **Resale Value** Keeping the vehicle stock with OEM parts can help maintain its resale value, especially if the vehicle is being sold or traded in the future.

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1. **Cost** OEM parts are typically more expensive than aftermarket alternatives. The price of this mirror may be higher than generic or third-party replacements, which could be a significant factor if budget is a concern.

2. **Limited Availability** OEM parts can sometimes be harder to find, especially if the vehicle model is older or no longer in production. You may need to order from a specialized auto parts store or dealer, which could involve shipping delays.

3. **Potential for Counterfeit Parts** When purchasing online, there is a risk of receiving a counterfeit or low-quality part disguised as genuine GM. Always buy from trusted sellers (e.g., RockAuto, AutoZone, or authorized dealers) to avoid this issue.

4. **Installation Complexity** While the mirror itself is straightforward to install, some vehicles may require additional steps (e.g., wiring adjustments, trim panel removal, or electrical testing) if the original mirror s wiring harness is damaged. DIYers without experience may need professional help.

5. **Electrical Compatibility Issues** If the vehicle s electrical system is outdated or has wiring issues, the electronic adjustments or heated/fog light functions may not work properly. Testing the mirror s functionality after installation is essential.

6. **Weight** Heated and electronic mirrors can be slightly heavier than basic mirrors, which may affect the vehicle s balance or handling slightly, though this is usually negligible.

7. **No Additional Features** Unlike some aftermarket mirrors, this OEM part does not include extras like blind-spot monitoring, turn signals, or advanced lighting controls. If you re looking for modern conveniences, you may need to explore aftermarket options.

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The **GM 20843120 Chevy left view mirror (GM900 MF/EL/HTD/FLT)** is a high-quality, reliable replacement part that offers **electronic adjustment, heating, and fog light functionality** all critical for safety and convenience. Its OEM status ensures compatibility and aesthetic consistency, making it an ideal choice for drivers who prioritize **durability, fit, and original vehicle appearance**.

However, the **higher cost and potential availability challenges** may deter budget-conscious buyers or those who prefer aftermarket alternatives. If you value **long-term reliability, warranty coverage, and a seamless fit**, this is an excellent investment. If cost or convenience is a major concern, comparing it to aftermarket options (e.g., MOPAR, ACDelco, or trusted brands like Hella or Bosch) may be worthwhile.

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- You want a **direct OEM replacement** with no fitment issues.

- Your vehicle requires **electronic adjustment, heating, and fog light** functionality.

- You prefer **brand-name quality** and are willing to pay a premium for it.

- You plan to **keep the vehicle long-term** and want to maintain its value.

- You re on a **tight budget** and are open to aftermarket options (e.g., ACDelco GM900 or higher-end aftermarket mirrors with similar features).

- You re unsure about **electrical compatibility** and want to test a cheaper aftermarket mirror first.

- You need **additional features** (e.g., blind-spot detection, LED lighting) not included in this OEM part.

**Final Verdict:** For most drivers seeking a **reliable, functional, and visually accurate replacement**, this GM part is a strong choice. However, always verify compatibility with your specific vehicle year/model and purchase from a reputable source to avoid counterfeit parts.

Details:

The product is an OEM GM Chevy 20843120 left-hand side view mirror in GM900 MF/EL/HTD/FLT Chrome finish. See images to assess condition. It is designed for bolt-on attachment on the left side of vehicle, ensuring a secure and precise fit. This mirror assembly is made of plastic with a textured black finish and features manual fold adjustment for easy operation.

part #: 20843120 prices

• $49.87-$187.90

specifications mirroexter:

• for models: Flt
• for makes: Chevy
• brand: Gm
• mpn: 20843120
• color: Black
• material: Plastic
• vintage part: No
• placement on vehicle: Left
• type: Standard Mirror Assembly
• mirror adjustment method: Manual Fold
• attachment type: Bolt-on
• features: Side View
• finish: Textured

general mirroexter:

• Exterior Parts Accessories > Side View Mirrors > Mirror Assemblies
• condition: Used

payments mirroexter:

• credit card: Diners-club
• other
• wallet: Google-pay

shipping mirroexter:

• cost: $15.04
• type: Calculated
• transit: 3-7 Days
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage

returns mirroexter:

• policy: No Returns

offer mirroexter:

• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: March 25, 2026

seller mirroexter:

• city: Grand Rapids, Michigan
• rating: 99.8%
• # reviews: 1747

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