2003 Toyota Sienna Engine

Catalog dataManufacturer figures stored on configuration rows

Catalog engines

Engine	Code
1MZ-FE	1mz-fe

Catalog values in this table are the same across configurations.

Catalog year/make/model rows for 2003 Toyota Sienna.

Bosch

OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9603

MPN: 9603

Carquest Premium

Carquest Spark Plug Boot: 1 Boot, Meets or Exceeds OE Specifications, 35-7117

MPN: 35-7117

Champion

Copper Plus Spark Plug RC9YC4 - Dependable Performance & Durability, 430

MPN: 430

Champion

Platinum Power Spark Plug RC9PYC - Powerful Performance & Longevity, 3344

MPN: 3344

Catalog engine codes and configuration engine labels do not always match. Both are shown as stored — neither is rewritten.

Catalog fitment does not by itself prove OEM-equivalent compatibility.