A-Premium O2 Oxygen Sensor for Chevrolet 3.6L V6 — Heated 4-Wire, 375mm Harness

The A-Premium O2 Oxygen Sensor is a direct-fit heated oxygen sensor engineered to restore accurate air-fuel readings for a range of Chevrolet, GMC, Cadillac, Buick, Pontiac and Suzuki V6 3.6L engines.

This replacement oxygen sensor supplies reliable lambda feedback to the engine control module, helping your vehicle maintain correct fuel trims and exhaust monitoring after an original sensor fails. Built with a threaded mounting and a four-wire heated design, this sensor matches common OE specifications and includes a male connector for easy plug-and-play installation on supported models. A-Premium backs the part with a one-year unlimited-mileage guarantee and ships in retail packaging.

Which vehicles will this A-Premium oxygen sensor fit?

This sensor is designed for multiple GM and related platforms that use the 3.6L V6 engine and select other V6/V8 applications. Fitment covers late-model Chevrolet, GMC, Cadillac, Buick, Pontiac, and Suzuki models within the listed year ranges. Always verify the reference numbers and connector shape against your vehicle before ordering.

• Chevrolet: Camaro (2010–2015), Caprice (2012–2017), Colorado (2015–2016), Equinox (2008–2009), Impala (2014–2020), Traverse (2012–2017)
• GMC: Acadia (2012–2016), Acadia Limited (2017), Canyon (2015–2016)
• Cadillac/Buick/Other: CTS, ATS, XTS, SRX, STS, Enclave and Suzuki XL-7 where specified

How does this oxygen sensor match original equipment?

The A-Premium sensor follows common OE attributes to ensure functional compatibility: a threaded mounting, heated sensing element, and a four-conductor lead to supply heater power and signal lines. Its 375 mm overall harness length and male connector aim to mimic factory routing for a secure connection and straightforward replacement. The supplied reference numbers help cross-check against factory part catalogs.

• Sensor Type: heated oxygen sensor for fast warm-up
• Wire Quantity: four conductors for heater and signal circuits
• Overall Length: 375 mm to match OEM harness routing
• Mounting: threaded for OEM-style installation

What electrical and physical specs should I know before installing?

This oxygen sensor uses a male electrical connector and boxed packaging for protection during shipping. The heated element requires proper wiring to the vehicle’s harness to operate correctly — incorrect wiring or connector mismatch will prevent accurate readings and may trigger fault codes. If you have aftermarket exhaust modifications, confirm thread size and bung placement before ordering.

• Connector Gender: male, verify against vehicle harness
• Mounting Type: threaded — fits standard oxygen sensor bungs
• Package Quantity: single sensor per box for one-to-one replacement
• Reference Numbers: 250-24773, 25024773, 12590035, 12597449, 12616203 for cross-reference

What warranty and support come with the part?

A-Premium includes a one-year, unlimited-mileage guarantee on this oxygen sensor, covering manufacturing defects under normal use. Their catalog also offers a broad selection of automotive accessories should you need related parts or replacements. Keep your proof of purchase for warranty claims and fitment assistance.

• Warranty: one-year unlimited mileage for manufacturing defects
• Packaging: shipped in a protective box for part integrity
• Support: A-Premium product range for complementary parts

Who is this for: This oxygen sensor is intended for DIY mechanics, independent repair shops, and fleet technicians who need a cost-effective direct-fit replacement for GM and related 3.6L V6 engines (and other listed applications). If you require an OE-equivalent heated sensor with a four-wire harness, threaded mounting, and a male connector, this A-Premium unit is a practical spare or repair solution—just confirm the vehicle year, engine code, and reference numbers before ordering.