14 mm thread Dia, 3/4 in reach, 13/16 in hex socket. Quicker starts, Saves on fuel and reduces emissions. Replaces Champion N4C, N5C, N7YC, RN4C, RN5C, RN7YC. Replaces Autolite 403, 404, 4055, 4056, XST4055. Replaces NGK B4ES, B5EB, B5ES, BEV, B6EB, B6EB11, B6ES, B6ES11, B6EB, B7EB, B7EB11, BP7ES, BP7ES11, BPR7ES, BPR7ES11, BR4ES, BR5EB, BR5ES, BR6EB, BR6EB11, BR6ES, BR6ES11, BR7EB11, BUR7EA11, BUR7EB11.
| Id | 171493 |
| SKU | 7023039 |
| PartNo | E3.18 |
| UPC | 894489000183 |
| Country of Origin | China |
| Fill Gap Size | 13/16 In |
| Thread Size | 0.551 In |
| Thread Length | 3/4 In |
| Hex Size | 13/16 In |
| CID | 9 |
R.P. Lumber - Edwardsville, IL