Delphi Oxygen Sensor ES20317 for 1990-2003 Buick/Cadillac/Chevrolet 3.1L 3.8L (Century, LeSabre, Park Avenue, Regal)

The Delphi Oxygen Sensor (part number ES20317) is a direct-fit replacement for 1990-2003 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.1L, 3.8L, and 5.7L engines.

Features:

• Delphi planar technology covers older, conical design sensors
• Smart design consolidates SKUs without using long wires
• Patented protective sensor coating helps prevent contamination
• Validated for all fuel types, including ethanol blends like E85
• OE tested to 150,000 miles, plus 2,000 hours severe thermal testing
• Delphi is a global OE manufacturer for oxygen sensor and all oxygen sensors are built to Delphi's OE standards

Specifications:

Fits: 1990-2003 Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models including Century, LeSabre, Park Avenue, Regal, Riviera, Roadmaster, Skylark, Escalade and more - 3.1L, 3.8L, and 5.7L engines. Confirm your year, make, model, and engine before ordering.

Interchanges With: Airtex 5S3029, Wells SU100, Wells SU1139, Wells SU187, ACDelco 213509, ACDelco AFS75, ACDelco AFS90, Walker Products 250-24012 and 32 more