Ignition Coil for Hummer Asuna Buick Cadillac Chevrolet GMC Isuzu Jeep Oldsmobile Ponatic Compatible with C846 Dr-37 Premium material, Low price guaranteed, 1 year Warranty, Brand New **Please use the year/make/model drop down bar and interchangeable part numbers to confirm compatibility. Our replacement ignition coils are easy to install with the highest quality copper. Each coil is design for specific application, low-emissions, and high energy output. Other Interchangeable/Compatible Part Numbers: C846, D503a, D535, D535cs, D537, D544, D573, 5c1029, 8983501871, 1788179, 00243, E46, E46p, 521921, Gn10048, Ic29, 10477208, 1115315, 1115317, 1115468, 12498334, 8011153150, 8011154680, 83501871, 8983501871, Dr-37, Dr-37x