MTD® Idler Assembly 54 Deck Black (603-04386A-0637)

This MTD Idler Assembly 54 Deck Black combines the related pieces needed for one replacement point on the equipment. It is a useful option when the original assembly is bent, broken, or too worn for dependable service.

This MTD Idler Assembly 54 Deck Black is used in the related assembly where wear, damage, or loss of the original part can affect normal operation. Matching the part number to your model is the best way to confirm fit.

Not sure if 603-04386A-0637 is the right MTD part for your model? Search your part or engine model number in our MTD Parts Lookup Tool.

✅ Huge in-house inventory in Canada
✅ Experienced shipping team
✅ Split shipping available if needed**
✅ Most backorders filled within a week
✅ Everything shipped directly from Canada

* Full engines are excluded from flat rate shipping.
** Splitting shipments will incur additional shipping charges.

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