Features 1、O-Ring & clip included 2、D-Shaped connection with 4 pins 3、Green sensor replaces the old black one 4、Water / coolant temperature sensor 5、OEM part numbe: 059-919-501A, 059919501A Specifications: Features: 100% brand new and high quality This sensor can send a signal for the water temperature gauge and the engine ECU. Specifications: Material: Metal, plastic Color: As the pictures show Size: Approx. 0.55 x 1.10 x 2.28 inch / 1.4 x 2.8 x 5.8 cm Part Number: 059919501A Fitment: For A4 2000-2008 For A4 1999-2008 For A6 2000-2005 For A6 2000-2005 For A8 2000-2004 For Allroad 2001-2005 For RS6 2003-2004 For S3 2000-2004 For S4 2000-2009 For S5 2008-2009 For S6(AVANT) 2002-2003 For S8 2001-2009 For TT 2000-2006 For TT 2001-2006 For TURBO S : 2003-2004 For Eurovan :1999-2003 For R32:2004 For GL:1999-2001 For GLS:1999-2001 For GLX:1999 Package Included: 1 x temperature gauge sensor (including o-ring and chip） Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List