Parts for Jenn-Air JGC8430ADB: 02 - Top Assembly Parts

This venturi mixing tube channels and meters incoming air to the gas burner assembly to support proper combustion. Replacing a worn or damaged venturi restores consistent air/gas mixing for safer, more reliable burner performance. What it does

• Directs and mixes incoming air with gas for stable burner combustion
• Restores proper burner operation when airflow is restricted or misdirected
• Can correct weak, uneven, or inconsistent burner flames linked to venturi damage
• Helps eliminate issues caused by cracked, clogged, or misshapen venturi passages

• Shut off electrical power and gas supply before beginning any service
• Inspect adjoining seals, gaskets, and mounting points; replace any damaged hardware
• After installation, check burner operation and test for gas leaks using a safe, approved method

A replacement hex nut used to secure appliance components and fasten assemblies. This small but essential fastener restores proper clamping force and helps stop loose or rattling parts for safe, reliable operation. What it does

• Secures mating parts and threaded studs to hold assemblies in place
• Restores proper tension where a missing or stripped nut allows movement
• Helps eliminate rattling, vibration, or intermittent contact caused by loose hardware
• Works where a standard hex nut is specified by the manufacturer

• One hex nut

• Turn off and unplug the appliance before attempting any repair
• Use the correct socket or wrench to avoid rounding the nut; apply moderate torque
• Replace any damaged studs or washers and use thread locker only if specified by the manufacturer

This replacement burner control knob restores a worn or damaged stove/range control so you can set heat levels precisely. Durable black finish matches OEM appearance and provides a secure grip for safe burner adjustments. What it does:

• Replaces a broken, cracked, or stripped burner control knob so the control shaft can be turned smoothly
• Fits short-shaft control stems; engages the splines to set burner heat from low to high
• Helps stop slipping or accidental setting changes caused by worn knobs
• Common symptom fix: knob won't stay on, won't turn, or spins without engaging the control

• Before installing, disconnect power to the appliance and shut off gas supply if applicable
• Align the knob splines with the control stem and push firmly until seated; do not force or hammer
• Wear gloves to avoid cuts on sharp edges and test operation after installation

Color: black. Measures about 2 inches in diameter, by 2 inches deep.

This replacement grommet seals and cushions a pass-through on your cooking appliance. It helps protect internal areas from spills, heat, and vibration while keeping the shaft, wire, or tube it surrounds securely positioned for smooth, rattle-free operation.

• Provides a tight seal where a shaft, wire, tube, or screw passes through a panel
• Helps prevent spills, grease, and heat from entering the chassis
• Cushions components to reduce vibration and wear
• Common signs of wear: missing, cracked, hardened, deformed, or loose-fitting grommet; rattling around the opening

• Disconnect power; for gas appliances, also shut off the gas supply
• Remove the knob or panel to access the old grommet
• Note orientation and seat the new grommet fully and evenly in the opening
• Reassemble and check that the component moves or fits without binding

This oven igniter is the glow-bar that lights the gas for the bake or broil burner. Replacing a weak or failed igniter restores dependable ignition and consistent oven heat, solving no-heat and long preheat complaints.

• Heats to ignite the gas burner in the oven cavity
• Draws the proper current to open the oven safety valve
• Common symptoms: oven won't heat, igniter glows but no flame, delayed or intermittent ignition, extended preheat times
• Restores reliable burner lighting for baking or broiling

• Disconnect power and shut off gas supply before servicing; allow the oven to cool
• Handle the igniter by the insulated base; avoid touching the fragile element
• Mount using the correct bracket and position the tip near the burner, as on the original
• Restore power and gas, then test for prompt, steady ignition