Shop By Vehicle
Shows all parts for this vehicle — for exact-fit matches, try AI Search above
1 3

2025-2026 Buick Envista Chevy Trax Trailblazer Lower 1.2L Turbo Oxygen Sensor OEM

$ 64.47
🏁 Please confirm this part fits your vehicle before ordering
🏁 CHECKPOINT 🏁
100% Genuine OEM Factory original part
Fast UPS Shipping Any order, any size
Easy Returns No-hassle return policy
Secure Checkout SSL encrypted payment
Flat Rate Shipping
Any order • Any size • USA
$8.97
Have a question?
Check our FAQ for quick answers
→

This is a Genuine GM downstream oxygen sensor for 2025-2026 Buick Envista, Buick Encore GX, Chevrolet Trailblazer, and Chevrolet Trax models. This sensor is designed specifically for the 1.2L turbocharged engine in the lower downstream position.

This is a Genuine OEM part designed for precise fit and function. This sensor is positioned in the lower downstream location on vehicles equipped with the 1.2L turbocharged engine. Compatible with both gasoline and flex fuel configurations.

Quick Part Facts

  • Condition: New OEM
  • Part Type: Oxygen Sensor
  • Position: Lower Downstream
  • Engine: 1.2L Turbo
  • Fuel Type: Gas and Flex Fuel

Fitment

Year Range Make Model Trim/Engine Notes/Options
2025-2026 Buick Encore GX Preferred; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine; Flex fuel
2025-2026 Buick Envista Avenir; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine
2025-2026 Buick Envista Preferred; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine; Gas and flex fuel
2025-2026 Buick Envista Sport Touring; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine; Gas and flex fuel
2025-2026 Chevrolet Trailblazer LS, LT; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine; Flex fuel
2025-2026 Chevrolet Trax ACTIV, LS, LT, RS; 1.2L L3 Turbo Lower downstream position; 1.2L turbocharged engine; Gas and flex fuel
Why Choose Conquest
No Games. Just Genuine Parts.
100% Genuine OEM
No aftermarket substitutes, no knockoffs — every part is the real thing, verified before it ships.
Fair Prices, No Games
Founded by someone who spent 15 years watching dealerships mark up and mislead — we built this to be different.
Verified In-House
Every part is checked against the OEM part number before it ships — not dropped straight from a warehouse untouched.
Real Person, Real Answers
Not sure it fits? Text or email us — you'll hear back from someone who actually knows the part, within 24 hours.

The Latest From Our Experts

View all
Back to top