DEAL Set of 2 Ignition Coils Pack For Buick Chevrolet Oldsmobile Pontiac 2.3L 2.4L L4 DR41 D547 D550 Please Double Check The Models We List In The Description Part to Make Sure It Fits Your Vehicle Set of 2 OE Spec ignition coils Reference OE#:DR41 10457109 D547 D563 CDR41 C852 521925 5199 10472748 6A5 5C1059 D550 10474481 Direct Replacement. Perform Like Original Parts 2 years warranty 1988-1995 Buick Skylark 2.3L L4 1996-1998 Buick Skylark 2.4L L4 1990-1994 Chevrolet Beretta 2.3L L4 1995 Chevrolet Cavalier 2.3L L4 1996-2002 Chevrolet Cavalier 2.4L L4 1997-1999 Chevrolet Malibu 2.4L L4 1992-1995 Oldsmobile Achieva 2.3L L4 1996-1998 Oldsmobile Achieva 2.4L L4 1999-2001 Oldsmobile Alero 2.4L L4 1987 Oldsmobile Calais 2.3L L4 1988-1991 Oldsmobile Cutlass Calais 2.3L L4 1990-1991 Oldsmobile Cutlass Supreme 2.3L L4 1988-1995 Pontiac Grand Am 2.3L L4 1996-2001 Pontiac Grand Am 2.4L L4 1990-1991 Pontiac Grand Prix 2.3L L4 1995 Pontiac Sunfire 2.3L L4 1996-2002 Pontiac Sunfire 2.4L L4 Heavy duty secondary Copper windings provide high performance &amp; long life. Heavy duty large primary Cppper windings allow for better and quicker energy flow providing superior&amp; more reliable spark. A ll our copper coils are made in Germany. Each part is carefully tested in order to provide high quality parts to our customers. The products standard according to ISO 9000 / ISO 9001 / ISO 9002 certified facilitie. 100% mechanically tested prior before leaving the factory to ensures high-class performance and enhanced durability