Supersessions & cross-references
Cross-reference (aftermarket)QSB4.5 yemparts $34.95 6C8.3 yemparts $35.54 4B3.9 ironwing $14.26 QSB6.7 woodline $8.51 ISB4.5 firsttruck $19.00 6B5.9 yemparts $34.95 QSB5.9 yemparts $30.04
Supersessions and aftermarket cross-references from marketplace/supplier listings — treat as leads. Verify the exact part for your serial number before ordering.