SPORTS PARTS INC 7937-S487715-17 Spi Quartz Halogen Cat BULB-H4 DUTY-60W-55W

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 7937-S487715-17 )

Review SPORTS PARTS INC Spi Quartz Halogen Heavy Duty-60w-55w Arctic Cat fits JAG 440 1998–1999

The **Sports 7937-S487715-17 SPI Quartz Halogen Bulb (H4, 60W/55W)** is a high-performance, long-lasting illumination solution meticulously engineered to meet the demanding requirements of off-road and heavy-duty vehicle lighting systems, including the **1998 1999 Arctic Cat Jag 440**. Designed with precision for durability and clarity, this bulb delivers an intense, crisp white light output that enhances visibility in low-light conditions, fog, dust, and challenging off-road environments where traditional lighting may fall short. The **H4 base** ensures seamless compatibility with the stock or aftermarket projector or reflector headlight assemblies found in the Jag 440, providing a direct drop-in replacement without the need for modifications to wiring or mounting hardware. Crafted from **quartz halogen technology**, this bulb operates at an optimal **60-watt equivalent** (with a rated 55-watt actual draw) to maximize brightness while maintaining efficiency, reducing heat buildup and prolonging the lifespan of the surrounding electrical components. The **SPI (Single Pin Insertion)** design further enhances reliability by minimizing electrical resistance and ensuring a stable connection, which is critical for vehicles subjected to frequent vibrations and rough terrain. Whether navigating dense forests, traversing rocky trails, or cruising under the cover of night, this bulb s **high lumen output and superior color rendering** (measured at a correlated color temperature of approximately 3200K) ensures that details such as obstacles, terrain contours, and distant markers are sharply defined, significantly improving reaction times and overall safety. Built to withstand extreme conditions, the robust construction of the bulb resists thermal shock and mechanical stress, making it an ideal choice for enthusiasts who demand both performance and longevity from their lighting components. For owners of the Arctic Cat Jag 440 seeking to upgrade their headlight performance without compromising on fit or function, this **Sports 7937-S487715-17 SPI Quartz Halogen Bulb** represents a smart investment in clarity, reliability, and off-road capability.

### **Pros and Cons of buying a Sports LED 7937-S487715-17 SPI Quartz Halogen Bulb (H4, 60W/55W) for a 1998-1999 Arctic Cat Jag 440**

1. **Brightness and Visibility** The bulb provides strong illumination, improving nighttime visibility for driving, especially in low-light conditions or off-road scenarios. The 60W equivalent brightness helps maintain clarity on trails or in dimly lit areas.

2. **Longer Lifespan Compared to Standard Halogens** While not as long-lasting as full LED bulbs, this SPI (Sealed Beam Integrated) quartz halogen bulb typically lasts longer than traditional halogen bulbs, reducing replacement frequency.

3. **Compatibility with H4 Socket** The H4 base ensures a direct fit for your Arctic Cat Jag 440 s headlight assembly, avoiding the need for adapters or modifications.

4. **Better Heat Dissipation** The quartz halogen design allows for improved heat management compared to standard bulbs, reducing the risk of overheating in enclosed headlight housings.

5. **Cost-Effective Upgrade** This bulb is more affordable than full LED or high-end xenon replacements, offering a balance between performance and price.

6. **Improved Color Rendering** Halogen bulbs provide a whiter, more natural light compared to some older yellow-tinted bulbs, enhancing visibility of colors and details on the road or trail.

7. **Easy Installation** No wiring or complex modifications are required; it drops into the existing H4 socket like a standard bulb.

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1. **Still a Halogen Bulb** While an upgrade from a basic halogen, it retains some of the drawbacks of halogen technology, such as shorter lifespan (typically 500 1,000 hours) compared to LEDs (20,000 hours) or xenons.

- Cause discomfort for passengers.

- Potentially damage plastic or rubber components in the headlight housing over time.

- Require careful installation to avoid melting or warping nearby materials.

3. **Dimming or Fogging** In humid or cold conditions, halogen bulbs can fog up the headlight lens more easily than LEDs, reducing clarity.

4. **Not as Bright as LEDs or Xenons** While brighter than stock bulbs, it may not match the intensity of modern LED or HID (xenon) systems, which can be critical for off-road or high-speed driving.

5. **UV Emissions** Halogen bulbs emit UV rays, which can degrade plastics and sealants in the headlight assembly over time, potentially leading to cracking or yellowing.

6. **Potential for Glare** If not properly aimed, halogen bulbs can create glare for oncoming drivers, especially at night, which may not be ideal for shared trails or public roads.

7. **Limited Availability of Replacements** If the bulb fails, finding an exact replacement may be harder than for more common bulbs, though this bulb is designed for off-road use, so availability should be decent.

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The **Sports LED 7937-S487715-17 SPI Quartz Halogen Bulb** is a solid upgrade for your 1998-1999 Arctic Cat Jag 440, offering improved brightness and longevity over standard halogens. It strikes a balance between performance and affordability, making it a practical choice for off-road enthusiasts who prioritize visibility without the higher cost of LEDs or xenons. However, it is not a "future-proof" solution if you plan to keep the vehicle long-term or use it extensively at night, you may eventually want to consider an LED or HID upgrade for even better durability and brightness.

- Off-road or trail riding where extra light is beneficial.

- Riders who want a noticeable improvement without a full headlight overhaul.

- Those on a budget who don t want to invest in the most expensive lighting options.

If your primary use involves frequent nighttime riding, shared trails, or high-speed travel, you might weigh the pros and cons of a **full LED conversion kit** (e.g., from manufacturers like Morimoto, Sylvania, or Osram) for even greater longevity and brightness. However, for most casual to moderate riders, this bulb provides a worthwhile upgrade.

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- You want a straightforward, cost-effective way to improve headlight brightness.

- You prioritize visibility for off-road or nighttime riding without major modifications.

- You re comfortable with occasional bulb replacements (every 1 2 years, depending on usage).

- You frequently ride at night on public roads and want to minimize glare.

- You plan to keep the vehicle long-term and want the longest possible bulb lifespan (LED/HID may be better).

- You re willing to invest in a full headlight upgrade for superior performance and durability.

For your Arctic Cat Jag 440, this bulb is a **good intermediate step** before potentially moving to a more advanced lighting system. Pair it with proper headlight aiming and maintenance to maximize its benefits.

Details:

SPI Quartz Halogen Bulb-H4 Heavy Duty-60W-55W for 1998 - 1999 Arctic Cat Jag 440 Deluxe Snowmobile: Bulbs by Sports Parts. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification. 1998 - Arctic Cat Jag 340.

1998 - 1999 Arctic Cat Jag 340 Deluxe.: Brand: Sports Parts Inc, model Number: 7937-S487715-17. This is helpful if you are buying multiple items.

part #: 7937s48771517 prices

• $10.03-$20.58

specifications lightingsnowmobiles:

• for models: 440, Jag
• for makes: Arctic, Arctic-cat
• for years: 1998-1999
• brand: Sports Parts Inc
• mpn: 7937-s487715-17

payments lightingsnowmobiles:

• other
• credit card: Mastercard
• wallet: Google-pay

general lightingsnowmobiles:

• condition: New
• Parts Accessories > Snowmobile Parts > Lighting

shipping lightingsnowmobiles:

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

offer lightingsnowmobiles:

• availability: In Stock
• options: Ship-to-home
• quantity: 9
• sold: 0
• started: April 13, 2026

seller lightingsnowmobiles:

• # reviews: 82717
• city: Indiana, US
• rating: 99.9%

returns lightingsnowmobiles:

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

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