OEM Carrier Spark Electrode Ignitor Assembly 48GS400168 for Model PY3PPA036090AB

This OEM spark electrode ignitor assembly (part number 48GS400168) is the factory-specified replacement ignitor for the Carrier PY3PPA036090AB packaged gas unit. The 2-rod electrode assembly generates the high-voltage spark that ignites the gas burner on each heating call. When the ignitor fails or becomes fouled, the system will attempt ignition, fail to light the burner, and enter a safety lockout — leaving you with a system that runs the inducer motor but delivers no heat. Replacing this part with the genuine OEM assembly restores reliable ignition and prevents repeat lockout faults.

• Part Number: 48GS400168 | 2-Rod Spark Electrode Ignitor Assembly | OEM Carrier Factory Authorized Part
• OEM vs Generic: OEM electrode assemblies are manufactured to exact Carrier gap tolerances and ceramic insulator ratings. Aftermarket igniters often use inferior ceramics that crack under thermal cycling, causing intermittent ignition faults and premature failure.
• Install Difficulty: 2/5 — Disconnect power and shut off gas before beginning. Tools needed: 1/4" nut driver, flathead screwdriver, needle-nose pliers. Disconnect the high-voltage ignitor wire, remove the mounting screws, swap the assembly, and reconnect. Always verify ignitor gap per service manual before testing.
• Warranty: 1-year OEM factory warranty against defects. In stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PY3PPA036090AB packaged gas/electric unit. Verify your existing part number on the unit's service label before ordering. If you have questions about fitment, our HVAC parts specialists are available to confirm compatibility before your order ships.