Premium Oxygen Sensor for Trumpchi GAC GS4/GS5/GA3S/GA5

Direct-fit replacement with OEM-grade ceramic sensing element for precise air-fuel ratio measurement. High-temperature stainless steel housing ensures durability under extreme engine conditions. Waterproof connector design prevents corrosion in humid climates.

Exact match for factory wiring harness – plug-and-play installation without modifications. Laser-welded seams eliminate exhaust leaks. Tested under 500+ thermal cycles for long-term reliability.

Optimizes fuel efficiency and reduces emissions for GS4 1.3T/1.5T, GS5 2.0L, GA3S 1.6L engines. Includes anti-vibration mounting bracket for noise-free operation. Ships with corrosion-resistant thread paste pre-applied.

Wholesale-ready packaging with individual anti-static bags. Bulk discounts available for auto repair shops and dealerships. Worldwide shipping with 30-day price guarantee.