AND
MODEL
INDEX
BN-506A1/BN-506A2/BN-506B/BN-506C1/BN-506C2/BN-509A/BN-509B/BN-509C/BN-509D
| Part Number | Sensors | Inlet/Outlet | Angle | Additional Info |
| BN-506A1 | w/out sensor | 5 bolt in, 3 bolt out | 45 degree angle | 1 hanger bolt by 3 bolt flange, 1 hanger bolt by 5 bolt flange |
| BN-506A2 | w/out sensor | 5 bolt in, 2 bolt out | 45 degree angle | 1 hanger bolt by 3 bolt flange, 1 hanger bolt by 5 bolt flange |
| BN-506B | 1/2" sensor federal model | 5 bolt in, 3 bolt out | 45 degree angle | 1 hanger bolt by 3 bolt flange, 1 hanger bolt by 5 bolt flange |
| BN-506C1 | 3/4" sensor Calif. model | 5 bolt in, 3 bolt out | 45 degree angle | 1 hanger bolt by 3 bolt flange, 1 hanger bolt by 5 bolt flange |
| BN-506C2 | 3/4" sensor | 5 bolt in, 2 bolt out | 1 hanger bolt by 3 bolt flange, 1 hanger bolt by 5 bolt flange | |
| BN-509A | 3/4" oxy. sensor | 5 bolt in, 3 bolt out | 70 degree angle | 10" length longest side w/bends; 2 hanger bolts by 3 bolt flange |
| BN-509B | w/out sensor | 5 bolt in, 3 bolt out | 70 degree angle | 10" length longest side, w/bends |
| BN-509C | 1/2" heat sensor opening | 5 bolt in, 3 bolt out | 70 degree angle | 12 3/4" length longest side, w/bends |
| BN-509D | 1/2" heat sensor opening | 5 bolt in, 3 bolt out | 70 degree angle | 12 3/4" length longest side, w/bends |
Measurements Required
with or w/out air; with or w/out sensor; Federal or California model vehicle; rear flange at 45 or 70 degree angle; 2 bolt or 3 bolt outlet; overall length;