fits model: Corolla. make: Toyota. year: 1984-87.

( Manufacturer Part Number: KOITO-L2716 ), ( Type: Side Marker Light ), ( Oe/oem Part Number: S16298 ), ( Lens Color: Red ), ( Vintage Part: Yes ), ( Country Of Origin: Japan ), ( Performance Part: No )
The **Toyota Koito L2716 marker light (part number S16298)** is a meticulously engineered, high-performance lighting component designed exclusively for the **1984 through 1987 Toyota Corolla**, particularly those equipped with the **S14 or S15 chassis**. This marker light is a critical yet often overlooked element of vehicle safety, ensuring optimal visibility during low-light conditions, nighttime driving, and adverse weather. Crafted with precision by **Koito**, a globally renowned manufacturer of automotive lighting solutions, this component exemplifies reliability, durability, and clarity. The L2716 features a **clear polycarbonate lens**, engineered to disperse light efficiently while minimizing glare for both the driver and other road users. Its compact yet robust design integrates seamlessly with the Corolla s bodywork, maintaining the vehicle s sleek aesthetic while delivering uncompromising functionality. The internal wiring harness is meticulously insulated and corrosion-resistant, ensuring long-term performance even in harsh environments. Whether replacing a faded or damaged original unit or upgrading for enhanced visibility, this marker light is a **direct-fit, no-modification-required** solution that upholds Toyota s commitment to safety and performance. Ideal for restorers, enthusiasts, and everyday drivers seeking authenticity, the Koito L2716 marker light stands as a testament to the brand s legacy of precision engineering in automotive lighting.
**Pros and Cons of Buying a Toyota Koito L2716 Marker Light for a 1984-87 Corolla**
The **Toyota Koito L2716 (part number S16298)** is a common aftermarket marker light used to replace the stock turn signal/parking lights on older Corollas. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.
---
### **Pros**
1. **Brightness and Visibility**
The Koito L2716 is known for its significantly brighter output compared to the stock halogen bulbs in the original Corolla turn signal/parking light assemblies. This improves visibility during low-light conditions, making the vehicle more noticeable to other drivers, which is particularly useful in urban areas, parking lots, or during nighttime driving.
2. **Durability and Longevity**
Koito is a reputable manufacturer with a history of producing reliable automotive lighting components. The L2716 is designed to withstand vibrations and temperature fluctuations, which is important for a vehicle that may be driven in various conditions. Many users report that these bulbs last longer than stock bulbs, though lifespan can vary based on usage and quality of installation.
3. **Compatibility**
The L2716 is specifically designed to fit the 1984-87 Corolla s turn signal/parking light sockets (part number S16298). It replaces the stock bulb without requiring extensive modifications to the wiring or housing. The bulb is a direct drop-in replacement, making installation straightforward for most DIYers.
4. **Cost-Effective Upgrade**
Compared to other aftermarket lighting upgrades (e.g., LED or HID conversions), the Koito L2716 is relatively inexpensive. It offers a noticeable improvement in brightness without the higher cost or complexity of more advanced lighting systems. Prices typically range from $10 to $20 per bulb, depending on the retailer.
5. **Minimal Installation Complexity**
Since the bulb fits into the existing socket, no additional wiring, relays, or housing modifications are required. This makes it an easy upgrade that can be done in under an hour, even for someone with limited mechanical experience. The only tools needed are typically a screwdriver and possibly a bulb socket puller.
6. **Legal Compliance**
In most regions, aftermarket halogen bulbs like the Koito L2716 are legal as long as they meet brightness and color temperature regulations. Unlike some LED or HID upgrades, these bulbs do not typically require additional permits or inspections, making them a hassle-free choice.
7. **Aesthetic Consistency**
The Koito L2716 maintains the original appearance of the Corolla s turn signal/parking lights. Unlike LED or colored bulbs, it does not alter the look of the vehicle s exterior, which may be preferable for those who want to preserve the classic appearance of their car.
---
### **Cons**
1. **Limited Brightness Compared to Modern Standards**
While the Koito L2716 is brighter than the stock bulb, it is still a halogen bulb and does not match the intensity of modern LED or HID lighting. In very low-light conditions (e.g., rural roads at night), it may not provide as much visibility as more advanced lighting solutions. However, for most urban or suburban driving, it is more than adequate.
2. **Heat Output**
Halogen bulbs generate more heat than LEDs, which can sometimes cause the surrounding plastic housing to warm up. Over time, this heat can degrade the plastic, though this is rarely an issue with the Corolla s stock housing if the bulb is installed correctly. Proper ventilation around the bulb socket can help mitigate this.
3. **Shorter Lifespan Than LEDs**
Halogen bulbs generally have a shorter lifespan (typically 500-1,000 hours) compared to LEDs (which can last 20,000 hours). However, for a bulb priced under $20, the cost per hour of use is still reasonable. Still, owners may need to replace them more frequently than they would with LED alternatives.
4. **Flickering or Dimness in Some Cases**
Some users report that the Koito L2716 may flicker or appear dimmer than expected, particularly if the vehicle s electrical system is not in optimal condition (e.g., weak alternator, corroded connections, or faulty wiring). Ensuring a clean and secure connection in the bulb socket can help resolve this issue.
5. **No Color Temperature Adjustment**
Unlike some aftermarket bulbs, the Koito L2716 does not offer adjustable color temperatures (e.g., warm white or cool white). It emits a standard white light, which may not suit preferences for a warmer or cooler tone.
6. **Potential for Overheating in Poorly Ventilated Enclosures**
If the bulb is installed in a sealed or poorly ventilated housing (though unlikely in the Corolla s stock setup), the heat generated by the halogen filament could lead to premature failure or damage to the surrounding components. However, this is rare with proper installation.
7. **Availability of Parts**
While Koito bulbs are widely available, some specialty or older parts retailers may not carry them. In rare cases, finding replacements could require ordering online, which may involve shipping delays.
---
### **Conclusion**
The **Toyota Koito L2716 marker light (S16298)** is a practical and effective upgrade for the 1984-87 Corolla s turn signal/parking lights. It offers a noticeable improvement in brightness over the stock bulb at a low cost, with minimal installation hassle. The bulb is durable, compatible with the vehicle s original setup, and legally compliant in most areas. While it does not match the brightness of modern LED or HID lighting, it provides a significant upgrade over the factory-equipped halogen bulbs and is ideal for drivers who want better visibility without complex modifications.
The main drawbacks such as shorter lifespan compared to LEDs, heat output, and limited color options are minor considerations for most owners. The Koito L2716 strikes a balance between performance, cost, and ease of installation, making it a solid choice for those looking to enhance their Corolla s lighting without overcomplicating the upgrade.
---
### **Recommendation**
For the **1984-87 Corolla**, the **Toyota Koito L2716 (S16298) is highly recommended** as a turn signal/parking light upgrade. It is the best balance of affordability, brightness, and simplicity for this application. If you prioritize visibility and want a straightforward, no-fuss upgrade, this bulb is an excellent choice.
However, if you plan to drive frequently at night in low-light conditions or want the longest possible bulb life, consider pairing it with a **high-quality LED turn signal/parking light kit** (e.g., from brands like Sylvania, Philips, or Morimoto) in the future. LED bulbs offer superior brightness, longevity, and energy efficiency, though they may require slightly more complex installation (e.g., wiring a relay for proper brightness).
For most owners of a 1984-87 Corolla, the Koito L2716 is a **smart, cost-effective investment** that will improve safety and visibility without breaking the bank. Install it, enjoy the brighter lights, and consider upgrading to LEDs later if needed.
This red side marker light was made by Koito of Japan. It measures approximately 1-3/4 by 4.5-cm. One of the two mount screws is missing. According to AI, it fits a number of early Japanese vehicles, including 1984 1987 Toyota Corolla.
Happy to answer questions. I have tested this unit with a 12-volt battery and it works. The lens is marked L2716, and the housing S16298. The lens and bezel are in good condition with very minor wear.