Bosch Premium Switching-Type Oxygen (O2) Sensors 13847 for 2004-2005 Buick/Chevrolet/GMC 4.2L (Rainier, Trailblazer, Trailblazer EXT, Envoy)

The Bosch Premium Switching-Type Oxygen (O2) Sensors (part number 13847) is a direct-fit replacement for 2004-2005 Buick, Chevrolet, GMC, and Isuzu vehicles with 4.2L engines.

Features:

• [OE-TRUSTED] - As the inventor of the Oxygen (O2) sensor, Bosch has supplied OE manufacturers for more than 50 years, providing proven quality and reliability that set the standard for modern lambda-control systems
• [LONG LIFETIME] - Built to withstand exhaust streams up to 1,880 degF, Bosch Oxygen (O2) sensors feature stainless steel housings, integrated heater elements, advanced ceramic elements, and TSP coating to resist vibration, corrosion, and cont
• [FAST RESPONSE] - Bosch Switching-Type Oxygen (O2) sensors reach operating temperature in <10 seconds and delivers fast signal availability to the ECU, enabling quick closed-loop control for improved cold-start performance and lower emissio
• [EASY INSTALL] - Engineered for quick installation with direct-fit connectors and pre-applied conductive anti-seize on threads to ensure hassle-free replacement
• [MADE IN USA] - Bosch proudly manufactures over 90% of Oxygen (O2) sensors for the North American market out of Anderson, SC - ensuring high quality and supply reliability

Specifications:

Fits: 2004-2005 Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models including Rainier, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, Ascender, Bravada and more - 4.2L engines. Confirm your year, make, model, and engine before ordering.

Interchanges With: Chevrolet 12586996, Buick 12586996, GMC 12586996, Oldsmobile 12586996, Isuzu 8125869960, Saab 12586996