John Deere Mower Deck Extension Spring for Z300 and Z500 Series

John Deere extension springs are designed to original OEM specification to ensure like new performance. John Deere extension springs have proper tension to ensure consistent idler engagement and proper mower deck performance. John Deere extension springs are the replacement choice for you.

Help me find my Model and/or Serial NumberFits On:
Z300 SeriesZ355E ( Serial No. 060,001 - )Z355RZ375R with 54" Deck
Z500 SeriesZ525E with 48" or 54" DeckZ535M with 48", 54" or 62" Deck ( 62" Deck - Serial No. 060,001 - )Z535R with 54" High Capacity DeckZ540M with 48", 54" or 62" DeckZ540R with 48", 54" or 60" Deck

Part Shop details


Product Type

Spindles, Pulleys and Springs


General details


Product Group

Spindles, Pulleys and Springs