{"product_id":"ngk-chevrolet-malibu-2003-1997-direct-fit-oxygen-sensor-part-number-21537","title":"NGK Chevrolet Malibu 2003-1997 Direct Fit Oxygen Sensor Part Number 21537","description":"NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.\nNTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure.  NTK works with their OEM manufacturers through each phase of development from concept to production.\n\u003cul\u003e\n  \u003cli\u003eADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe NGK Part Number 21537 oxygen sensor is a high-quality replacement designed specifically for Chevrolet Malibu models from 1997 to 2003. This OEM-grade sensor plays a vital role in your vehicle's engine management system by providing accurate oxygen readings that help optimize the air-fuel mixture for peak performance. Proper functioning of this sensor ensures smooth engine operation, improved fuel efficiency, and reduced emissions, making it an essential component for maintaining your vehicle's health. Constructed with advanced ceramic sensor elements, it features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat, which provides enhanced protection against element poisoning and extends the sensor's lifespan. Its precise fit and reliable performance are crucial for ensuring your vehicle's diagnostic system operates effectively, alerting you to potential issues with fuel delivery or catalytic converter efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOEM-grade ceramic sensor element with contaminant-resistant plasma jet coating\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDirect fit design for easy installation in Chevrolet Malibu models from 1997 to 2003\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProvides accurate oxygen readings to optimize engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSupports vehicle's on-board diagnostic system for emissions compliance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with high-quality materials to resist failure and extend sensor life\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1997 Chevrolet Corvette Base\u003cbr\u003e\n1997 Chevrolet Malibu Base\u003cbr\u003e\n1997 Chevrolet Malibu LS\u003cbr\u003e\n1997 Oldsmobile Cutlass Base\u003cbr\u003e\n1997 Oldsmobile Cutlass GLS\u003cbr\u003e\n1998 Chevrolet Corvette Base\u003cbr\u003e\n1998 Chevrolet Corvette Indianapolis 500 Pace Car\u003cbr\u003e\n1998 Chevrolet Malibu Base\u003cbr\u003e\n1998 Chevrolet Malibu LS\u003cbr\u003e\n1999 Chevrolet Corvette Base\u003cbr\u003e\n1999 Chevrolet Malibu Base\u003cbr\u003e\n1999 Chevrolet Malibu LS\u003cbr\u003e\n1999 Oldsmobile Alero GL\u003cbr\u003e\n1999 Oldsmobile Alero GLS\u003cbr\u003e\n1999 Oldsmobile Alero GX\u003cbr\u003e\n1999 Oldsmobile Cutlass GL\u003cbr\u003e\n1999 Oldsmobile Cutlass GLS\u003cbr\u003e\n1999 Pontiac Grand Am GT\u003cbr\u003e\n1999 Pontiac Grand Am SE\u003cbr\u003e\n2000 Chevrolet Corvette Base\u003cbr\u003e\n2000 Chevrolet Malibu Base\u003cbr\u003e\n2000 Chevrolet Malibu LS\u003cbr\u003e\n2000 Oldsmobile Alero GL\u003cbr\u003e\n2000 Oldsmobile Alero GLS\u003cbr\u003e\n2000 Oldsmobile Alero GX\u003cbr\u003e\n2000 Pontiac Grand Am GT\u003cbr\u003e\n2000 Pontiac Grand Am GT1\u003cbr\u003e\n2000 Pontiac Grand Am SE\u003cbr\u003e\n2000 Pontiac Grand Am SE1\u003cbr\u003e\n2000 Pontiac Grand Am SE2\u003cbr\u003e\n2001 Chevrolet Corvette Base\u003cbr\u003e\n2001 Chevrolet Corvette Z06\u003cbr\u003e\n2001 Chevrolet Malibu Base\u003cbr\u003e\n2001 Chevrolet Malibu LS\u003cbr\u003e\n2001 Oldsmobile Alero GL\u003cbr\u003e\n2001 Oldsmobile Alero GLS\u003cbr\u003e\n2001 Oldsmobile Alero GX\u003cbr\u003e\n2001 Pontiac Grand Am GT\u003cbr\u003e\n2001 Pontiac Grand Am GT1\u003cbr\u003e\n2001 Pontiac Grand Am SE\u003cbr\u003e\n2001 Pontiac Grand Am SE1\u003cbr\u003e\n2002 Chevrolet Corvette Base\u003cbr\u003e\n2002 Chevrolet Corvette Z06\u003cbr\u003e\n2002 Chevrolet Malibu Base\u003cbr\u003e\n2002 Chevrolet Malibu LS\u003cbr\u003e\n2002 Oldsmobile Alero GL\u003cbr\u003e\n2002 Oldsmobile Alero GLS\u003cbr\u003e\n2002 Oldsmobile Alero GX\u003cbr\u003e\n2002 Pontiac Grand Am GT\u003cbr\u003e\n2002 Pontiac Grand Am GT1\u003cbr\u003e\n2002 Pontiac Grand Am SE\u003cbr\u003e\n2002 Pontiac Grand Am SE1\u003cbr\u003e\n2003 Chevrolet Corvette 50th Anniversary Edition\u003cbr\u003e\n2003 Chevrolet Corvette 50th Anniversary Edition Pace Car\u003cbr\u003e\n2003 Chevrolet Corvette Base\u003cbr\u003e\n2003 Chevrolet Corvette Z06\u003cbr\u003e\n2003 Chevrolet Malibu Base\u003cbr\u003e\n2003 Chevrolet Malibu LS\u003cbr\u003e\n2003 Oldsmobile Alero GL\u003cbr\u003e\n2003 Oldsmobile Alero GLS\u003cbr\u003e\n2003 Pontiac Grand Am GT\u003cbr\u003e\n2003 Pontiac Grand Am GT1\u003cbr\u003e\n2003 Pontiac Grand Am SE\u003cbr\u003e\n2003 Pontiac Grand Am SE1\u003cbr\u003e\n2003 Pontiac Grand Am SE2\u003cbr\u003e\n2004 Oldsmobile Alero GL\u003cbr\u003e\n2004 Oldsmobile Alero GLS\u003cbr\u003e\n2004 Pontiac Grand Am GT\u003cbr\u003e\n2004 Pontiac Grand Am GT1\u003cbr\u003e\n2004 Pontiac Grand Am SE\u003cbr\u003e\n2004 Pontiac Grand Am SE1\u003cbr\u003e\n2004 Pontiac Grand Am SE2\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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