Mass Air Flow Sensor / Meter / MAF FOR: 1999-2005 Chevrolet, Buick, Oldsmobile, Pontiac In order to avoid return hassle and save yours and our time, you must cross-check indicated reference part numbers against those found on your old unit. Do not rely on vehicles compatibility list, which is presented for the reference purpose and shouldn't be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please contact us and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility. PART REFERENCE NUMBERS: OEM: AC DELCO: AFH50M05 AFH50M-05 2134337 213-1617 213-952 2133428 213-3428 GM: CARDONE: 19179715 1917-9715 19112543 19137065 24508238 25166846 25180303 7450015 74-50015 8650015 86-50015 STANDARD MOTOR: DORMAN: MF5288 MAS0310 917820 5890008 DELPHI: WALKER: AF10126 2451052 OTHER: 8250083090 12568877 88961007 *Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers. COMPATIBLE VEHICLES: * Models presented for reference purpose only! MAKE: MODEL: YEAR: BUICK LESABRE (1999 - 2005) BUICK PARK AVENUE (1999 - 2005) BUICK REGAL (1999 - 2004) BUICK RIVIERA 1999 CHEVROLET CAMARO (1999 - 2002) CHEVROLET IMPALA (2000 - 2005) CHEVROLET LUMINA 1999 CHEVROLET MONTE CARLO (1999 - 2005) OLDSMOBILE 88 1999 OLDSMOBILE INTRIGUE 1999 OLDSMOBILE LSS 1999 PONTIAC BONNEVILLE (1999 - 2005) PONTIAC FIREBIRD (1999 - 2002) PONTIAC GRAND PRIX (1999 - 2003)