Bosch Premium Switching-Type Oxygen (O2) Sensors 13077 for 1990-1995 Buick/Chevrolet/GMC 3.1L 4.3L (Regal, Astro, Blazer, C1500)

The Bosch Premium Switching-Type Oxygen (O2) Sensors (part number 13077) is a direct-fit replacement for 1990-1995 Buick, Chevrolet, GMC, and Oldsmobile vehicles with 3.1L, 4.3L, and 5.7L 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: 1990-1995 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models including Regal, Astro, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, Caprice and more - 3.1L, 4.3L, and 5.7L engines. Confirm your year, make, model, and engine before ordering.

Interchanges With: Chevrolet 19178959, Chevrolet 25176708, Chevrolet 25176709, Buick 25176708, GMC 19178959, GMC 25176708, Oldsmobile 19178959, Oldsmobile 25176708 and 1 more