Where to buy
Supersessions & cross-references
Supersessions and aftermarket cross-references from marketplace/supplier listings — treat as leads. Verify the exact part for your serial number before ordering.
Engines using 5473009
1Cummins/Onan L9N
Spark plug · Spark plug kit — part number 5473009. Used by the engines and generator sets below.
Supersessions and aftermarket cross-references from marketplace/supplier listings — treat as leads. Verify the exact part for your serial number before ordering.