Description:

[Perfect Fitment-1]: Compatible with Buick Allure/LaCrosse 2005-2008 (with RPO Code JL9 (Power Brakes, 4 Wheel Disc, with ABS)), Allure/LaCrosse 2009, Century 1999-2002, Century 2003/2005 (4-Wheel ABS), Regal 1999-2002, Regal 2003-2004 (4-Wheel ABS; Rear Drum Brakes); Compatible with Oldsmobile Intrigue 2000-2002 (Without Active Brake Control), Silhouette 2000-2004. [Perfect Fitment-2]: Compatible with Chevrolet Impala 2000-2001 (4-Wheel ABS; Light Duty Brakes), Impala 2002 (4-Wheel ABS; Rear Drum Brakes; Light Duty Brakes), Impala 2003-2005 V6 3.8L (4-Wheel ABS; Light Duty Brakes), Monte Carlo 2000-2002, Monte Carlo 2003-2005 V6 3.8L, Venture 2000-2005. [Perfect Fitment-3]: Compatible with Pontiac Grand Prix 2005 GT/GTP (with RPO Code JL9 (Power Brakes, 4 Wheel Disc, with ABS)), Grand Prix 2006 GT/Base (4-Wheel ABS), Grand Prix 2007 GT (with RPO Code JL9 (Power Brakes, 4 Wheel Disc, with ABS)), Grand Prix 1998-2002/2007-2008 Base (4-Wheel ABS; with RPO Code JL9 (Power Brakes, 4 Wheel Disc, with ABS)), Grand Prix 2003-2004 (4-Wheel ABS), Montana 2005 Base, Montana 2000-2004. [Reference Number]: The A-Premium Brake Master Cylinder's reference number: M390401, 133183, 18026277, 18039288, 18060780. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system.. [Specification]: Material: Aluminum; Master Cylinder Bore Diameter: 1 inch; Rearward Outlet Size: M12 X 1.0; Secondary Outlet Thread Diameter: M12 X 1.0.