Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Viking Range VGSO166 gas wall oven

Viking Range VGSO166 gas wall oven Parts

Here are the diagrams and repair parts for Viking Range VGSO166 gas wall oven, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for VGSO166 Wall Ovens

Viking Range Gas Wall Oven VGSO166 FAQs

Yes. 27-inch gas wall ovens exist, but they are much less common than 27-inch electric wall ovens and 30-inch gas wall ovens. If you are replacing a Viking VGSO166 gas wall oven, we recommend confirming the exact cutout and gas hookup requirements before choosing any 27-inch replacement.

What “27-inch” means (and why it matters)

“27-inch” usually refers to the cabinet cutout width the oven is designed to fit, not the exact outside width of the appliance. Small differences in trim, door swing, and depth can prevent a clean fit.

Why it matters: A wall oven replacement that is even slightly off can require cabinet modification, and gas wall ovens also need the correct gas supply location and shutoff access.

Quick fit checklist before you shop
  • Measure the cabinet cutout width, height, and depth (in three places).
  • Confirm whether you have a single wall oven or a combo installation.
  • Check the gas supply location and whether the shutoff is accessible.
  • Verify electrical needs for ignition and controls (most gas wall ovens still need power).
  • Confirm venting and clearance requirements around the oven.
Common replacement paths for a VGSO166

If you are trying to keep your existing cabinet opening, these are the most common approaches:

Goal Typical approach Tradeoff
Keep the same opening Choose another 27-inch gas wall oven Fewer model choices
Expand options Convert to a 27-inch electric wall oven May require electrical changes
Standardize size Modify cabinet for a 30-inch wall oven Cabinet work required
When repair makes more sense than replacement

If your Viking VGSO166 is otherwise in good shape, repairing a specific failure can be the fastest way to get back to baking.

Last updated: February 2026

Electric wall ovens are better for even, consistent baking, while gas wall ovens are better when you want a slightly moister cooking environment and fast heat response. Since the Viking VGSO166 is a gas wall oven, it is a strong choice for roasting and everyday cooking where moisture retention matters.

Quick comparison: gas vs. electric wall ovens
Feature Gas wall oven Electric wall oven
Baking evenness Good, but can have more hot spots Excellent, typically most even
Moisture in oven cavity Higher (often helps roasts) Drier (often helps crisping)
Preheat and heat changes Responsive Very steady control
Power needs Gas plus electricity for controls/ignition Electricity only
How to choose what is “better” for your kitchen
  • Choose electric if you bake frequently (cakes, cookies, pastries) and want the most even browning.
  • Choose gas if you roast often and prefer a bit more moisture for meats and casseroles.
  • Consider your home setup: gas supply availability, electrical capacity, and ventilation.
  • Think about serviceability: common gas-oven repairs involve ignition and gas delivery components.
  • Match the oven to your cooking style first; features and insulation quality matter as much as fuel type.
What this means for your Viking VGSO166

Because VGSO166 is a gas wall oven, performance depends heavily on proper gas flow and stable ignition. If you ever notice weak heat, long preheat, or temperature swings, checking gas delivery components is a practical first step, including the oven gas valve PB010084 and the regulator PA070003.

Why it matters

The “better” oven is the one that matches how you cook. Fuel type influences heat consistency, moisture level, and how the oven responds to temperature changes, which directly affects baking results, roasting texture, and day-to-day convenience.

Last updated: February 2026

The model number for your Viking gas wall oven is printed on the appliance’s rating label. On most Viking wall ovens like the VGSO166, you’ll find that label around the oven door frame (open the door and check the frame edges) or just inside the control area.

Where to look on a Viking VGSO166 wall oven

Check these common label locations in this order:

  • Open the oven door and inspect the front frame (left and right sides)
  • Look along the bottom lip of the oven frame near the door hinge area
  • Check the underside of the control panel area (if accessible)
  • If the oven is installed in a cabinet, check any visible side trim edges
What the label looks like and what to write down

The rating label is usually a silver or white sticker or metal plate. Record these items exactly:

  • Model number (VGSO166)
  • Serial number
  • Gas type (natural gas or LP)
  • Electrical rating (volts and amps)
Quick reference table
Label item Why we need it
Model number Ensures diagrams and parts match your exact oven
Serial number Helps confirm production version when parts changed
Gas type Critical for gas valve and regulator compatibility
Why it matters

Viking wall ovens can have similar-looking versions with different burners, wiring, and gas components. Using the exact model and serial from the rating label helps you choose the correct replacement parts and avoid returns.

If the label is missing or unreadable

Use these practical options:

Last updated: March 2026

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

Main causes: broken broil element, faulty broil burner igniter, control system failure…

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

Most common repair guides to help fix your wall oven

These step-by-step repair guides will help you safely fix what’s broken on your wall oven.

How to replace the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch.…

Repair time and Difficulty

 60 minutes or less
How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…

Repair time and Difficulty

 60 minutes or less
How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your wall oven

Use the advice and tips in these articles and videos to get the most out of your wall oven.

How to remove grease from your oven

How to remove grease from your oven

Oven looking grimy? Discover how to clean a greasy oven using safe, effective methods like baking soda and more.…

How to read a wiring schematic video

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem.…

How to correct an oven's temperature setting

How to correct an oven's temperature setting

If your oven consistently undercooks or overcooks, it might need recalibration. You can reset it yourself.…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Downdraft Ventilation System
Dryer
Dvd Player
Electric Line Trimmer
Electric Range
Evaporative Cooler
Front-Engine Lawn Tractor
Gas Pressure Washer
Lawn & Garden Engine
Material Handling
Mechanical Sewing Machine
Treadmill
Upright Freezer
Wall Heater