Introduction
This manual provides instructions for the safe installation, operation, and maintenance of your UpStart Components replacement light bulb. This bulb is designed for compatibility with Kenmore/Sears range/oven models, specifically replacing part numbers 79046783902 and 316538901. Please read these instructions thoroughly before installation and retain this manual for future reference.

Image: Two clear incandescent light bulbs with brass bases, packaged together.
Safety Information
Always observe the following safety precautions:
- Disconnect Power: Before attempting any installation or replacement, ensure the appliance's power supply is completely disconnected at the circuit breaker or by unplugging the appliance.
- Allow Cooling: If replacing an existing bulb, allow it to cool completely before touching to prevent burns.
- Handle with Care: Light bulbs are fragile. Handle them carefully to avoid breakage.
- Correct Wattage: Use only bulbs with the specified wattage for your appliance to prevent damage or fire hazards. This bulb is 40W.
- Indoor Use Only: This bulb is intended for indoor appliance use, specifically in ovens and ranges.
Setup and Installation
Follow these steps to install your new replacement light bulb:
- Ensure Safety: Turn off and unplug the appliance (range/oven) from the power outlet or switch off the circuit breaker controlling the appliance.
- Access Bulb: Locate the light bulb cover inside your oven or range. Depending on your appliance model, you may need a screwdriver to remove a protective glass cover.
- Remove Old Bulb: Carefully unscrew the old light bulb counter-clockwise until it is free from the socket. If the bulb is broken, use pliers to remove the base, ensuring power is off.
- Inspect Socket: Check the socket for any debris or corrosion. Clean if necessary.
- Install New Bulb: Gently screw the new UpStart Components light bulb clockwise into the socket until it is snug. Do not overtighten.

Image: A single clear incandescent light bulb with a brass E26 base, viewed from an angle.
- Replace Cover: If a protective cover was removed, reattach it securely.
- Restore Power: Plug the appliance back in or turn on the circuit breaker.
- Test: Turn on the oven light to confirm the new bulb is working correctly.
Operating Instructions
The UpStart Components replacement light bulb operates in conjunction with your appliance's existing light switch. Simply activate the light switch on your range or oven to turn the bulb on or off.
Maintenance
To ensure optimal performance and longevity of your light bulb:
- Cleaning: If the bulb or its cover becomes dirty, ensure the appliance is cool and power is disconnected before gently wiping with a dry, soft cloth. Do not use abrasive cleaners or liquids directly on the bulb.
- Replacement: Replace the bulb when it burns out. The lifespan of incandescent bulbs can vary.
Troubleshooting
Bulb Does Not Light Up
- Check Power: Ensure the appliance is properly plugged in and the circuit breaker is on.
- Bulb Seating: Verify the bulb is screwed in tightly into the socket.
- Socket Condition: Inspect the socket for any damage or corrosion. If damaged, professional repair may be required.
- Bulb Integrity: The bulb may be faulty. Try installing another new bulb to confirm.
- Appliance Issue: If multiple bulbs do not work, there may be an issue with the appliance's wiring or light fixture. Consult your appliance's user manual or a qualified technician.
Specifications
| Brand | UpStart Components |
| Light Type | Incandescent |
| Wattage | 40 Watts |
| Voltage | 130 Volts |
| Bulb Shape Size | A15 |
| Bulb Base | E26 |
| Light Color | Clear |
| Material | Glass |
| Product Dimensions | 0.59"W x 3.35"H |
| Special Feature | Instant On |
Warranty and Support
UpStart Components offers warranties for its products. For specific warranty details and to access customer support, please refer to the official UpStart Components website or contact their customer service directly. This product is a replacement part and is not covered under any warranties offered by the original appliance manufacturers (e.g., Kenmore/Sears).