Engine Water Pump For 1991-2009 BUICK CHEVROLET OLDSMOBILE PONTIAC 3.8L V6 12482903, 12537829, 24504920 Service Tip: At the initial stage, it is common for every belt driven water pump to have a weep hole that may experience minor leakage. During the break-in period, which typically lasts around 10 minutes, some seepage from the weep hole is considered normal and should not be seen as a defect. NOTE PLEASE CROSS-CHECK PRESENTED OE PART NUMBERS AGAINST THOSE FOUND ON YOUR OLD UNIT PRIOR TO ORDERING! THIS IS THE ONLY RIGHT WAY TO ORDER CORRECT PART! DO NOT RELY ON THE COMPATIBILITY LISTS, THEY'RE PRESENTED FOR THE REFERENCE ONLY! OE / OEM Part Reference Codes: OEM OTHER PART NUMBERS: 12482903, 12537829, 24504920 89017813, 89018214, 89060462 19209288, 88926207, 31026501 31028266, 89017813, 124829 DP1927, 285075, 251718 251-718, 252693, MWP527 251562, 251-562, 251562C 251701, 251-701 AW5075, SK1301780, US5075 WU5075, 1301780, 42097 W9016M *Please cross-check indicated OE reference codes against those found on your current unit. You may call the local dealership (auto parts dept.) to obtain correct numbers. Specs: Specifications Fan Clutch Included No Housing Material Aluminum Hub Height (MM) 54.43 Hub Hole Quantity 4 Impeller Material Steel Impeller Rotation Reverse Impeller Vane Quantity 10 Includes Back Housing No Mounting Hole Quantity 10 Pulley Included No Water Pump Drive Type Serpentine Belt List of compatible vehicles: MAKE: MODEL: YEAR: BUICK ALLURE 2005-2009 BUICK CENTURY 1991-1993 BUICK LACROSSE 2005-2009 BUICK LESABRE 1991-2005 BUICK LUCERNE 2006-2008 BUICK PARK AVENUE 1991-2005 BUICK REATTA 1991 BUICK REGAL 1990-2004 BUICK RIVIERA 1991-1999 BUICK SKYLARK 1991-1993 CHEVROLET CAMARO 1995-2002 CHEVROLET IMPALA 2000-2005 CHEVROLET LUMINA 1998-1999 CHEVROLET LUMINA APV 1992-1995 CHEVROLET MONTE CARLO 1998-2005 OLDSMOBILE 88 1992-1999 OLDSMOBILE 98 1991-1996 OLDSMOBILE ACHIEVA 1992-1993 OLDSMOBILE CUTLASS CALAIS 1991 OLDSMOBILE CUTLASS CIERA 1991-1993 OLDSMOBILE CUTLASS CRUISER 1991-1993 OLDSMOBILE CUTLASS SUPREME 1991-1997 OLDSMOBILE SILHOUETTE 1992-1995 OLDSMOBILE DELTA 88 1991 OLDSMOBILE INRIGUE 1998-1999 OLDSMOBILE LSS 1996-1999 OLDSMOBILE REGENCY 1997-1998 OLDSMOBILE SILHOUETTE 1992-1995 OLDSMOBILE TORONADO 1991-1992 PONTIAC BONNEVILLE 1991-2005 PONTIAC FIREBIRD 1995-2002 PONTIAC GRAND AM 1992-1993 PONTIAC GRAND PRIX 1997-2008 PONTIAC TRANS SPORT 1992-1995 *Models presented for reference purpose only! *May fit other makes-models not listed.