How do I know what model my Kenmore oven is?
For Kenmore model 79042743406, the model and serial number are printed on the serial plate located under the cooktop. We use that exact model number to match the correct parts list, wiring, and installation requirements in the owner's manual.
Where to find the model number on this unit
On this Kenmore electric cooktop, the serial plate is under the cooktop. Check these common spots:
- Under the cooktop (serial plate with model and serial)
- Near the underside edge of the cooktop chassis
- On a label that also lists a lot number or letter (helpful for parts lookups)
What to write down (and why)
Record the details exactly as shown on the serial plate:
- Model number (example format: 790.XXXXXXX)
- Serial number
- Lot number or letter (often used to confirm correct revisions)
Quick reference
| Item on serial plate | What it’s used for |
|---|---|
| Model number | Ensures the right Kenmore cooktop parts fit |
| Serial number | Helps match production run details |
| Lot number/letter | Helps confirm correct part variations |
Why it matters
Kenmore cooktops can use different surface elements, control switches, or indicator lights depending on the exact model and production run. Using the correct model number helps you avoid ordering the wrong surface element, control switch, or indicator light.
Ordering the right parts once you have the model number
After you confirm your model number, you can order replacement parts from the parts list for your model, or search by model number on Sears PartsDirect. Common cooktop-related parts for this model include items like a surface element or a surface element control switch.
Last updated: February 2026
Where is Kenmore's model number?
On Kenmore electric cooktop model 79042743406, the model and serial number are printed on the serial plate located under the cooktop, typically under the burner box. Use the plate information to match the correct parts list and documentation in the 79042743406 owner's manual.
How to find the serial plate (quick steps)
- Turn OFF power to the cooktop at the circuit breaker.
- Let all surface elements cool completely.
- Look underneath the cooktop for the serial plate label.
- Check the area under the burner box (common location for this model series).
- Write down the full model number and serial number exactly as shown.
What you will see on the label
Most labels include these fields:
- Model number (starts with 790.)
- Serial number
- Electrical ratings (voltage and wattage information)
| Label item | What it’s used for |
|---|---|
| Model number | Ensures you select the correct Kenmore cooktop parts and diagrams |
| Serial number | Helps confirm production details when ordering certain components |
| Electrical ratings | Helps verify correct surface element and wiring compatibility |
Why it matters
Using the exact model number prevents ordering the wrong surface element, control switch, or indicator light. For example, once you confirm the model, you can confidently match parts like the range surface element control switch 318293824 to your cooktop’s configuration.
Last updated: February 2026
What is the average lifespan of 79042743406?
A Kenmore electric cooktop like model 79042743406 typically lasts 13 years with normal household use. Lifespan depends most on heat control habits, keeping the glass top clean, and addressing early symptoms like uneven heating or a burner that will not cycle correctly.
What affects lifespan most
- Using the correct pan size so the surface element does not overheat
- Avoiding repeated boil-overs that bake onto the cooktop and trap heat
- Not sliding rough cookware that can scratch the glass and create hot spots
- Keeping vents and the underside area clear so wiring and switches stay cooler
- Fixing a burner that stays on high or will not turn on (it strains the control switch)
Common wear items (and what they do)
If performance drops, these are the parts we see replaced most often on this model:
| Symptom | Likely part | What it controls |
|---|---|---|
| Burner will not heat | Surface element | Provides heat at the cooking zone |
| Burner stuck on high or erratic | Infinite switch | Cycles power to regulate temperature |
| Hot surface light not working | Indicator light | Warns when the top is still hot |
Model-matched examples include the surface element 5304533520 and the range surface element control switch 318293824.
Why it matters
Knowing the typical 13-year lifespan helps you decide whether to repair or replace. If your 79042743406 is near that age and multiple burners or switches are failing, planning a repair strategy (or budgeting for replacement) prevents surprise downtime.
For cleaning, operating tips, and safety guidance that reduce wear, use the 79042743406 owner's manual.
Last updated: March 2026





