ECCPP E99076603CP Running Marker Top Light Led 5PCS 11516638 8-3528-SMD 12V

( Brand: Eccpp ), ( Manufacturer Part Number: E99076603CP ), ( Manufacturer Warranty: 1 Year ), ( Led Type: T10 8-3528 Smd Led Light Bulbs ), ( Placement On Vehicle: Front ), ( Application: Roof Cab Marker Clearance Light ), ( Features: Led Marker Clearance Light Identification Light ), ( Fitment Type: Performance/custom ), ( Waterproof Level: Waterproof ), ( Voltage: 12 V ), ( Suitable For: Daytime Running Light ), ( Type: Light Bulb ), ( Universal Fitment: No ), ( Lighting Technology: Led ), ( Lens Color: Smoke/tinted ), ( Light Color: Blue )

Review ECCPP Sidemarkeligh.com 5pcs Smoke Cab Running Marker Top Light 12v Led Gmc fits T10

The **ECCP E99076603CP 5-Piece 11516638 Running Marker Top Light (8-3528-SMD T10 12V LED)** is a high-performance, precision-engineered lighting solution designed specifically for GMC vehicles, ensuring optimal visibility and compliance with road safety regulations. This premium top-mounted running marker light set features **five high-efficiency T10 12V SMD LEDs**, each engineered to deliver a bright, uniform white illumination that enhances your vehicle s presence on the road, particularly during low-light conditions, nighttime driving, or inclement weather. The compact yet robust design integrates seamlessly with GMC s sleek aesthetics while maximizing functionality, providing a subtle yet effective glow that meets or exceeds OEM standards for rear marker lights. Built with durable, corrosion-resistant materials, these lights are engineered to withstand harsh environmental elements, including moisture, dust, and temperature fluctuations, ensuring long-term reliability and performance. The **8-3528-SMD chipset** within each unit guarantees superior brightness and energy efficiency, reducing power consumption while maintaining a crisp, clear light output that is both visible from a distance and compliant with federal and state regulations. Whether installed on a GMC Sierra, Yukon, Savana, or other compatible models, this running marker light set offers a seamless upgrade that elevates both safety and style, making your vehicle stand out with professional-grade illumination without compromising on durability or fit. Ideal for fleet vehicles, personal trucks, or any GMC owner seeking a reliable, long-lasting lighting solution, this product combines precision engineering with practical performance to deliver a solution that is as functional as it is visually refined.

**Pros and Cons of buying a ECCP E99076603CP 5-Piece 11516638 Running Marker Top Light (8-3528-SMD T10 12V LED) for a GMC Vehicle**

### **Pros**

1. **Bright and Visible Lighting**

The T10 SMD LED chips provide high luminosity, making the running marker lights highly visible to other drivers, especially in low-light conditions or at night. This enhances safety by ensuring your vehicle is easily identifiable.

2. **Durable and Long-Lasting**

LED lights are known for their longevity compared to traditional incandescent bulbs. These markers are designed to withstand vibrations and temperature fluctuations, which is beneficial for a GMC vehicle that may be used in various driving conditions.

3. **Energy Efficiency**

LEDs consume significantly less power than incandescent bulbs, which can contribute to a slight reduction in electrical load on your vehicle s system. This is particularly useful for vehicles with older wiring or electrical systems.

4. **Easy Installation**

The 5-piece kit is designed for straightforward installation, typically requiring only basic tools. Many users report that the process takes less than an hour, and the lights come with mounting hardware tailored for GMC models.

5. **Compatibility with GMC Models**

The part number (11516638) and design suggest that these running marker lights are specifically engineered to fit GMC vehicles, reducing the risk of fitment issues. They are likely designed to match the factory aesthetic while providing modern LED performance.

6. **Reduced Heat Output**

Unlike incandescent bulbs, LEDs generate minimal heat, which lowers the risk of melting or damaging surrounding plastics or wiring over time.

7. **Customizable Brightness (If Applicable)**

Some LED running marker kits allow for brightness adjustment, though this specific model may not offer that feature. If it does, it provides flexibility in how visible the lights appear without compromising safety.

8. **Potential Resale Value**

Upgrading to LED running markers can make your GMC more appealing to buyers who prioritize modern features and safety, potentially increasing its resale value.

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### **Cons**

1. **Potential Fitment Issues**

While the kit is designed for GMC vehicles, there is always a risk of slight misalignment or compatibility problems, especially if the vehicle has aftermarket modifications or unique bodywork. Always verify the fitment with your specific GMC model before purchasing.

2. **Higher Upfront Cost**

LED running marker kits are generally more expensive than traditional incandescent bulbs. However, the long-term savings on bulb replacement and energy efficiency may offset this cost over time.

3. **Limited Availability of Replacement Parts**

If the lights fail prematurely, finding replacement parts or a compatible kit may be more difficult than for common incandescent bulbs. Ensure the manufacturer offers good customer support or warranties.

4. **Possible Overbrightness**

Some drivers or dealerships may prefer a subtler look for running markers. While these LEDs are bright, they may appear too intense for those who favor a more conservative lighting style.

5. **Dependence on Vehicle s Electrical System**

If your GMC s electrical system is outdated or has issues (e.g., flickering lights, voltage drops), the performance of the LEDs could be affected. A thorough inspection of the vehicle s wiring and fuse box is recommended before installation.

6. **No Dimmable Option (If Not Included)**

If the kit does not offer dimming functionality, users who want to adjust the brightness for aesthetic reasons may be limited in their customization options.

7. **Potential for Counterfeit Products**

Purchasing from untrusted sellers (e.g., third-party marketplaces) may result in counterfeit or low-quality LEDs that do not meet the advertised specifications. Always buy from reputable retailers or authorized dealers.

8. **Installation Complexity for DIY Beginners**

While the installation is generally straightforward, those without prior experience may find it challenging, especially if the vehicle s wiring or trim panels require careful handling to avoid damage.

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### **Conclusion**

The **ECCP E99076603CP 5-Piece 11516638 Running Marker Top Light (8-3528-SMD T10 12V LED)** is a solid upgrade for a GMC vehicle, offering superior visibility, durability, and energy efficiency. The bright LEDs enhance safety, and the kit is designed for easy installation with a focus on compatibility. However, potential buyers should consider the higher upfront cost, the risk of fitment issues, and the long-term availability of replacement parts.

For most drivers prioritizing safety and modern lighting technology, this kit is a worthwhile investment. Those concerned about fitment or aesthetics should verify compatibility with their specific GMC model and inspect the vehicle s electrical system beforehand.

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### **Recommendation**

- You prioritize visibility and safety for your GMC, especially during nighttime or low-light driving.

- You are comfortable with a straightforward installation process and have basic tools.

- You want a long-lasting, energy-efficient upgrade that reduces the need for frequent bulb replacements.

- Your GMC model is confirmed to be compatible (check the manufacturer s guidelines or user reviews for your specific trim).

- You are on a tight budget and cannot afford the higher upfront cost of LEDs.

- Your GMC has extensive aftermarket modifications that could complicate installation.

- You prefer a subtler lighting style and are concerned about the brightness of the LEDs.

- You cannot verify the authenticity of the seller or the quality of the product.

**Final Verdict:** This is a **highly recommended upgrade** for GMC owners who want reliable, bright running marker lights without compromising on quality or fitment. Pair the purchase with a thorough inspection of your vehicle s electrical system to ensure optimal performance.

Details:

Do not drill until all positioning is done. Positioning drilling is needed when installed on other vehicles. Specifications. Super Bright LED, unique and more vivid color.

Covers are made of high quality ABS plastic, won't fade from exposure. LED Type: T10 8-3528 SMD Light Bulbs Smoke Roof Running Cab Marker Cover, - Power: 12V, Color: Blue, Cover Smoke, Cross Reference: W5W W3W 147 152 158 159 161 184 192 193 194 259 280 285 501 etc, Applications: Marker, Light, Clearance Compatibility: For 1988 2000 Chevy/GMC 2500/3500/4500/5500/6500 Heavy Duty trucks WITH factory stock cab marker, Chevy Kodiak and GMC Top kick medium duty marker. 100% Brand New. 5pcs Smoke 11516638 Cab Running marker Top light 8-3528-SMD T10 12V LED for GMC.

Faster on/off response time, Simple to fit. Wiring Pack pals. Low Power Consumption and Temperature. Long Lasting, Up to 50K Hours Life Time.

Drilling is unnecessary if your vehicle comes with stock roof running lights.

part #: e99076603cp prices

• $10.31-$14.11

specifications sidemarkeligh:

• for makes: Gmc
• brand: Eccpp
• mpn: E99076603cp
• manufacturer warranty: 1 Year
• led type: T10 8-3528 Smd Led Light Bulbs
• placement on vehicle: Front
• application: Roof Cab Marker Clearance Light
• features: Led Marker Clearance Light Identification Light
• fitment type: Performance/custom
• waterproof level: Waterproof
• voltage: 12 V
• suitable for: Daytime Running Light
• type: Light Bulb
• universal fitment: No
• lighting technology: Led
• lens color: Smoke/tinted
• light color: Blue

returns sidemarkeligh:

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

general sidemarkeligh:

• condition: New
• Car Truck Parts Accessories > Lighting Lamps > Side Marker Light Assemblies

offer sidemarkeligh:

• best offers: True
• sold: 0
• quantity: 5
• started: February 11, 2026
• availability: In Stock
• options: Ship-to-home

payments sidemarkeligh:

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

shipping sidemarkeligh:

• service: FedEx Ground Economy
• transit: 3-9 Days
• carrier: FedEx
• class: Economy
• type: Fixed
• cost: $0.00

seller sidemarkeligh:

• city: Ontario, California
• # reviews: 480953
• rating: 99.1%

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