| Part Number | Vents | Length | Sensor | Additional Info |
| BN-580A1 | 8 in shield | 13" | w/out sensor | |
| BN-580A2 | 6 in shield | 13" | w/out sensor | |
| BN-580B1 | 10 in shield | 14" | w/out sensor | |
| BN-580B2 | 10 in shield | 14" | w/sensor in rear | |
| BN-580C1 | 8 in shield | 14" | w/sensor in rear, passenger side bottom, w/round cutout for sensor | |
| BN-580C2 | 6 in shield | 14" | w/sensor in rear, driver side top, w/ square cutout for sensor | |
| BN-580D | 17" | w/sensor on outlet | with or w/out shield over sensor | |
| BN-580E1 | 8 vents | 15 5/8" | w/sensor in middle/side tilts up | (BULLETIN) |
| BN-580E2 | 8 vents | 15 5/8" | w/sensor by outlet/side | |
| BN-580F1 | 17" | passenger side sensor in center TOP-pointing toward inlet | ||
| BN-580F2 | 17" | passenger side sensor in center BOTTOM-pointing towards outlet | ||
| BN-580F3 | 17" | passenger side sensor in center pointing towards inlet | ||
| BN-580G1 | 3 vents | 10" | w/out sensor | |
| BN-580G2 | w/out sensor | OEM# B5XE316E35, 3 bolt in, 3 bolt out | ||
| BN-580G3 | w/out sensor | OEM# 78UE0926, 88441LU, 3 bolt in, 2 bolt out | ||
| BN-580H1 | 19 1/4" | w/sensor in middle | ||
| BN-580H2 | 17 3/4" | w/sensor in middle | ||
| BN-580I | 17" | 1 sensor in center | 3 bolt inlet & outlet |
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3 BOLT INLET / 3 BOLT OUTLET count number of vents, inline on side of shield; over all length; with or w/out sensor, & location of sensor |