BN-538 INFO PAGE
| Part Number | Inlet | Outlet | Sensors | Length | OEM Number | Additional Info |
| BN-538A | 3 bolt | 3 bolt | w/sensor | 6" | 2 hanger bolts | |
| BN-538B | 5 bolt | 3 bolt | w/sensor | 6" | 2 hanger bolts | |
| BN-538C | 5 bolt | 3 bolt | w/out sensor | 4 3/4" | 2 hanger bolts | |
| BN-538CC | 5 bolt | 3 bolt | w/sensor | 4 3/4" | 2 hanger bolts | |
| BN-538D | 5 bolt | 3 bolt | w/out sensor | 6 1/4" | K08A, K08B | Kia |
| BN-538E | SAME PART AS BN-538D | |||||
| BN-538F | 5 bolt | 3 bolt | w/out sensor | 5 1/2" | K2AA, K2BW | Kia |
| BN-538LG | w/sensor | KL47 |
Left Side, w/manifold on converter, radiator side; 2.5L eng. |
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| BN-538RG | w/sensor | KL47 |
Right side, w/manifold on converter, firewall side, w/air; 2.5L eng. |
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| BN-538H1 | 5 bolt | 3 bolt | w/out sensor | 7 3/4" |
1 1/8" from body to top of flange, 2 hanger bolts |
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| BN-538H2 | 5 bolt | 3 bolt | w/out sensor | 7 1/4" | 1/2" from body to top of flange, 2 hanger bolts | |
| BN-538I | 5 bolt | 3 bolt | w/out sensor | 6 3/8" | 2 hanger bolts | |
| BN-538LJ | 7 bolt | sensor in side between body & manifold | KN08, KN10 | radiator side; 2.3L eng. | ||
| BN-538RJ | 7 bolt | 1 in manifold, 1 in rear pipe | 1 air, firewall side; 2.3L eng. | |||
| BN-538K | 7 bolt in w/oval port | 3 bolt | K2NL | w/manifold on converter | ||
| BN-538L | 4 bolt | 3 bolt | w/out sensor | 9" | 4 bolt flange is 7/8" thick | |
| BN-538LM | 7 bolt | 3 bolt | sensor top of manifold | KLS2 | ||
| BN-538RM1 | 7 bolt | 3 bolt | sensor in top of manifold, sensor in rear of body on side | KLS2 | air before body on side | |
| BN-538RM2 | 7 bolt | 3 bolt | sensor top of manifold | KLS2 | air before body on side | |
| BN-538N | manifold 2 - 3 bolt flanges | 2 bolt | 1 sensor before body, 1 sensor behind body | 63M | ||
| BN-538O | 3 bolt | 2 bolt | sensor in front neck | 17 1/4" | ||
| BN-538P | 9 Bolt | 3 Bolt | 1 between manifold & body on side | K2NB | ||
| BN-538Q | SAME PART AS BN-538RM2 | |||||
| BN-538LR1 | 6 bolt | 3 bolt | 1 sensor in manifold | 1 air in manifold | ||
| BN-538LR2 | 6 bolt | 3 bolt | 1 sensor in manifold | no air in manifold | ||
| BN-538RR | 6 bolt | 3 bolt | 1 sensor in manifold | no air in manifold | ||
| BN-538RS | 5 bolt | 2 bolt | 1 sensor | 9 1/2" | ZAF | |
| BN-538LS | 5 bolt | 2 bolt | no sensor | 8" | SMLHO1 | ydd u014 on body |
| BN-538LT | 8 bolt | 2 bolt | 1 sensor in middle of manifold | NFLN, AKG, A663 | Hyundai, Kia | |
| BN-538RT | 8 bolt | 2 bolt | 1 sensor in manifold | NFRN, AKH, A663 | Hyundai, Kia | |
| BN-538V | 6 bolt | 3 bolt | 1 sensor above rear flange | 14" | hanger on rear flange | |
| Part Number | Inlet | Outlet | Sensors | Length | OEM Number | Additional Info |
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OEM# and measurements required number of bolts on inlet & outlet; with or w/out manifold; number of manifold converters on vehicle; with or w/out sensor, air, hanger; overall length |