GMC Savana Oxygen Sensor O2 Lambda Sensor for Air Fuel Ratio
Discover targeted efficiency with the WEIDA AUTO PARTS Oxygen Sensor O2 Lambda Sensor—designed to optimize the air-fuel ratio for GMC Savana, GMC Sierra, GMC Yukon, and GMC Yukon XL 1500. This heated, oxygen-sensing solution delivers precise readings to the engine control unit, helping to improve fuel economy, reduce emissions, and maintain smooth acceleration and idle. Built as a direct-fit replacement, it matches the original performance with a focus on durability and reliability. OEM No. 12599204 and origin in Mainland China underline its authentic fit for your GM utility vehicles.
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Benefits & Tips
- Sharper engine response and steadier idle by maintaining an accurate air-fuel mix, which also supports lower exhaust emissions.
- Faster catalyst warm-up and improved cold-start performance thanks to the sensor’s heating capability, helping your vehicle reach optimal efficiency sooner.
- Direct-fit replacement for GMC Savana, Sierra, Yukon, and Yukon XL 1500—install with standard hand tools and proper torque to ensure a secure seal and optimal sensor function.
Product specifications
- Brand: WEIDA AUTO PARTS
- OEM No.: 12599204
- Sensor Type: Oxygen Sensor / O2 Lambda Sensor
- Heating: Yes (heated sensor for quicker response on cold starts)
- Compatibility: GMC Savana; GMC Sierra; GMC Yukon; GMC Yukon XL 1500
- Origin: Mainland China
Package includes:
- 1 x Oxygen Sensor O2 Lambda Sensor compatible with GMC Savana, Sierra, Yukon, and Yukon XL 1500
Warnings / Reminders
- Confirm vehicle compatibility before installation to ensure proper fit and function.
- Follow vehicle manufacturer guidelines for installation, wiring, and torque. If you are unsure, seek professional installation to avoid incorrect sensor wiring or fitment.
- Disconnect the battery and allow the engine to cool before handling the sensor to prevent injury.