BN-861R1 / BN-861R2 / BN-861R3 / BN-861R4
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| BN-861R1 | BN-861R2 | BN-861R3 | BN-861R4 |
| 7 bolt inlet, 2 bolt out | 7 bolt inlet, 2 bolt out | 7 bolt inlet, 2 bolt out | 7 bolt inlet, 2 bolt out |
| 2 sensors | 2 sensors | 2 sensors | |
| OEM# W7RR04, OEM#R8PP04 | OEM# R8PP04 | OEM# R8FF05 | OEM# JSH23 |
BN-861L1 (in front) and BN-861R2 (in middle) bolted to BN-546T (in rear)