Infiniti QX4 2002-2003, OE Connector Oxygen Sensor by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get ultimate quality products from the leader in the exhaust and emissions control industry.
- Makes installation quick and easy
- Optimal OE-style fit and quality
- Manufactured from premium materials to provide greater durability
If you are looking for premium exhaust system hardware and accessories manufactured with great attention to detail, Walker is your number one choice. As the world's leading exhaust and emissions control company, Walker places a strong emphasis on the quality of each and every product it offers. Walker carries a full line of necessary exhaust components including hangers, gaskets, connectors, and other accessories you need to get the job done quickly and easily.
Walker® is the world's leading manufacturer of automotive exhaust systems and emission control products for the replacement and OE markets. It offers complete engine-to-tailpipe exhaust solutions and exploits modern emission control technologies that fully satisfy the needs of the automotive industry. Walker has introduced a long line of innovations that revolutionized the market and set new standards for quality and durability. The louvered tube, stainless steel muffler, and forerunners of today's catalytic converters were the industry 'firsts' developed by Walker. It is also the first aftermarket manufacturer that offered a Limited Lifetime Warranty for the professional installer. Walker®, an industry leader in emissions control products, offers a complete line-up to meet all customer needs! World-class, engine-to-tailpipe exhaust solutions for domestic and import vehicles. Walker has everything from brackets and hangers, to clamps and gaskets - all the accessories you need to do the complete exhaust job. Walker is your one-stop exhaust shop, offering a full line of accessories.