Denso® factories are QS9000 and ISO9000 certified worldwide just one of the many reasons why zero defects for parts produced in the millions is a reality for Denso. A recipient of the prestigious Deming Award for quality in 1961 Denso spent over five decades perfecting technology and processes a claim that few automotive manufacturers can make. Denso First Time Fit™ products — including A/C compressors starters alternators oxygen sensors ignition wire sets fuel pumps cabin air oil and air filters wiper blades and more — are products built and tested to OE-standard offered for the aftermarket by Denso. Each of these products is precision-built for exact replacement so you don t have to worry about doing the same job twice.