AND
MODEL
INDEX
| Part Number | Air Tube | Sensor | Rear Flange | Additional Info |
| BN-209A1 | 1 female air tube | 1 sensor | 2 bolt ball | (firewall side) |
| BN-209A2 | 1 male air tube | 1 sensor | 2 bolt ball | (firewall side) |
| BN-209A3 | 1 female air tube | 1 sensor | 3 bolt w/hanger bolt flat | (firewall side) |
| BN-209B | 1 sensor | 2 bolt ball | (radiator side) | |
| BN-209C1 | 2 sensors | 2 bolt ball | (radiator side) | |
| BN-209C2 | 2 sensors | 3 bolt flat | (radiator side) | |
| BN-209C3 | 2 sensors | 2 bolt flat | (radiator side) |
measurements required
male or female air tube; 1 or 2 sensors