CHEVROLET 42756913 Rear View Mirror Driver Left Power Door 128-12900 C0F03

( Manufacturer Part Number: 42756913 ), ( Part Type: Mirror Driver Door ), ( Ipn: 128-12900 ), ( Fitment Type: Direct Replacement ), ( Surface Finish: Plastic ), ( Modified Item: No ), ( Color: Black ), ( Placement On Vehicle: Left )

Review CHEVROLET Driver Left Side View Power Door Mirror fits TRAILBLAZER 2021–2022

The **Chevrolet 2021-2022 Trailblazer Driver Left View Power Door Mirror (Part Number: 42756913, C0F03)** is a premium, high-performance automotive accessory designed to enhance both the functionality and aesthetic appeal of the seventh-generation Trailblazer. This sleek, integrated power mirror combines cutting-edge technology with a robust, durable construction, ensuring seamless operation and long-lasting reliability. Engineered to meet Chevrolet s stringent quality standards, the mirror features a smooth, one-touch electric actuator that provides effortless adjustment whether for optimal visibility during tight parking maneuvers or quick side-view checks while navigating busy roads. The exterior surface is crafted from a high-gloss, scratch-resistant polycarbonate material, offering a polished finish that complements the Trailblazer s modern, aggressive styling. Inside, the mirror houses a precision-molded interior housing with a contoured grip, ensuring a comfortable and secure feel for the driver. For added convenience, this model includes an integrated **auto-dimming rearview mirror** (when paired with compatible vehicle systems), reducing glare from oncoming headlights and enhancing nighttime driving safety. The mirror also incorporates **Chevrolet s signature design cues**, such as the iconic **Trailblazer emblem** and sleek, aerodynamic contours, reinforcing the vehicle s rugged yet refined identity. Whether installed as an original equipment replacement or an upgrade for a customization project, this power mirror delivers a perfect blend of performance, durability, and style, ensuring both practicality and visual appeal for the modern driver.

### **Pros and Cons of buying a 2021-2022 Chevrolet Trailblazer Driver s Side Power Door Mirror (Part #42756913, C0F03)**

1. **OEM Replacement Part** This is a genuine Chevrolet part, ensuring compatibility with the 2021-2022 Trailblazer. OEM parts are designed to match the original specifications, reducing the risk of fitment issues or premature failure.

2. **Power Functionality** The mirror includes power operation, which is a standard feature on newer Trailblazer models. This means it will work seamlessly with the vehicle s electrical system, including the power window and door lock controls.

3. **Left-Side Driver Mirror** Since it s the driver s side mirror, it will fit directly without requiring adjustments for passenger-side installation, which can sometimes be tricky with aftermarket parts.

4. **Durable Construction** Chevrolet parts are generally built to last, with sturdy mechanisms for the power motor and folding functionality. This reduces the likelihood of frequent breakdowns.

5. **Easy Installation** As an OEM part, it should align properly with the existing wiring harness and mounting points, making installation less complex than with non-genuine alternatives.

6. **Warranty Coverage** If purchased from an authorized dealer or Chevrolet-approved supplier, this part may come with a limited warranty, providing peace of mind against defects.

7. **Aesthetic Match** The mirror will match the original design of the Trailblazer, ensuring a consistent look without the risk of mismatched finishes or styles.

1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price may be a significant investment if the mirror is damaged or malfunctioning.

2. **Potential for Overkill** If the mirror is only slightly damaged (e.g., a cracked glass or minor mechanical issue), replacing the entire assembly may be unnecessary. A partial repair (e.g., just the glass or motor) could be more cost-effective.

3. **Limited Availability** Depending on the region, finding this specific part (especially for a 2021-2022 model) may require ordering from an online retailer or dealer, which could involve shipping delays.

4. **Professional Installation Recommended** While the part is designed for easy fitment, improper installation could lead to wiring issues or misalignment. If the buyer lacks mechanical experience, hiring a professional may add to the cost.

5. **No Additional Features** Unlike some aftermarket mirrors, this OEM part does not include extra functionalities (e.g., heated mirrors, blind-spot monitoring, or turn signals). If those features are desired, an aftermarket upgrade might be necessary.

6. **Potential for Counterfeit Parts** If purchasing from a third-party seller (e.g., eBay, Facebook Marketplace), there is a risk of receiving a fake or low-quality part. Buying from an authorized source mitigates this risk but may increase cost.

7. **Resale Value Impact** If the mirror is replaced due to cosmetic damage (e.g., scratches, dents), the overall condition of the vehicle may not improve significantly for resale purposes, as buyers often focus on functional issues over aesthetics.

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The **2021-2022 Chevrolet Trailblazer driver s side power door mirror (part #42756913, C0F03)** is a reliable OEM replacement that ensures proper fitment, functionality, and longevity. It is ideal for owners who prioritize authenticity, durability, and ease of installation. However, the higher cost and potential for over-replacement (if only minor repairs are needed) are significant drawbacks.

If the mirror is **non-functional** (e.g., motor failure, wiring issues) or **structurally compromised** (e.g., broken mechanism), this OEM part is the best choice for a long-term, hassle-free solution. Conversely, if the issue is purely cosmetic (e.g., cracked glass), exploring aftermarket or partial repair options could be more economical.

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- The mirror is **completely inoperable** or **damaged beyond repair**.

- You want **guaranteed compatibility** and **long-term reliability**.

- You are comfortable with **higher upfront costs** for a genuine replacement.

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

- The damage is **minor** (e.g., only the glass is cracked), and a **partial repair** (e.g., replacing just the glass) is sufficient.

- You are on a **tight budget** and can find a **high-quality aftermarket mirror** that fits well.

- You are unsure about installation and **cannot afford professional labor**, in which case an aftermarket part with clearer instructions may be preferable.

- An **authorized Chevrolet dealer** or **Chevrolet-approved parts supplier** to ensure authenticity and warranty coverage.

- **RockAuto, AutoZone, or NAPA** (if they carry OEM or compatible aftermarket options) for convenience and verification.

For most owners dealing with a **failed power mechanism or wiring issue**, the OEM part is the **best long-term investment** despite the cost. However, always assess the extent of the damage before committing to a full replacement.

Details:

This 2021 2022 Chevrolet TRAILBLAZER Door Mirror is in overall good condition. Most electronic parts are not plug and play. Compatible with: TRAILBLAZER 21-22 power, non-heated, w/blind spot alert, L. Please also use the pictures to ensure a proper fit.

Shipping is via USPS or UPS.

part #: 42756913 prices

• $94.99-$727.23

specifications mirroexter:

• for models: Trailblazer
• for makes: Chevrolet
• for years: 2021-2022
• mpn: 42756913
• part type: Mirror Driver Door
• ipn: 128-12900
• fitment type: Direct Replacement
• surface finish: Plastic
• modified item: No
• color: Black
• placement on vehicle: Left

seller mirroexter:

• rating: 99.4%
• city: Las Vegas, Nevada
• # reviews: 86157

general mirroexter:

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

offer mirroexter:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: May 3, 2026

returns mirroexter:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping mirroexter:

• transit: 3-6 Days
• cost: $0.00
• class: Standard, Expedited
• type: Fixed
• service: Standard, Expedited

payments mirroexter:

• other
• credit card: Mastercard
• wallet: Paypal

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