{"product_id":"yoursme-mower-deck-gage-wheel-arm-set-for-john-deere-54c-62c-7-8-shaft-0-345-hole-front-right-left-rear-replacement","title":"Yoursme mower deck gage wheel arm set for John Deere 54C \u0026 62C — 7\/8\" shaft, 0.345\" hole, front\/right \u0026 left\/rear replacement","description":"\u003cp\u003e\u003cstrong\u003eYoursme AM120680 and AM120681 are OEM-replacement mower deck gage wheel arms sized to 7\/8\" shaft diameter with a 0.345\" arm hole, made to replace specific John Deere front and rear deck arms.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your mower’s deck gage wheel arm is bent, worn, or the wrong length, these replacement arms restore proper deck height control and wheel alignment for select John Deere 54C and 62C decks. Because John Deere used different arm sizes across production years, correct fit requires checking both the arm diameter and your tractor’s serial number range. This listing includes one AM120680 and one AM120681 arm and details the models and serial-number windows they fit.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm these arms will fit my John Deere mower?\u003c\/h3\u003e\n\u003cp\u003eVerify fit by measuring your original arm and confirming your tractor model plus serial number. This set is specifically the 7\/8\" diameter version with a 0.345\" arm hole; other model years may use 3\/4\" or 1\" arms. If you’re unsure, contact us with your model and serial number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure shaft diameter: must be 7\/8\" (tolerance ±0.1\").\u003c\/li\u003e\n  \u003cli\u003eMeasure arm hole: must be 0.345\".\u003c\/li\u003e\n  \u003cli\u003eCheck tractor model and serial number against the fitment list in the description.\u003c\/li\u003e\n  \u003cli\u003eContact support for confirmation if fitment is unclear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich deck positions do AM120680 and AM120681 replace?\u003c\/h3\u003e\n\u003cp\u003eEach part replaces a specific position on the mower deck: AM120680 is used only on the right-hand front, while AM120681 fits the left-hand front or the right-hand rear depending on deck layout. The set includes one of each arm, allowing replacement of those two positions at once.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAM120680: right-hand front of the deck only.\u003c\/li\u003e\n  \u003cli\u003eAM120681: left-hand front or right-hand rear locations.\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-arm set (one AM120680 + one AM120681).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich John Deere models and serial ranges are covered by this part number set?\u003c\/h3\u003e\n\u003cp\u003eThis arm set fits specific John Deere models and only within the serial-number windows listed. A correct model alone does not guarantee compatibility—serial numbers determine whether your mower uses a 7\/8\" arm design. Read the full fitment list carefully before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 2210, 2305 with 54C \u0026amp; 62C decks: serials above 040000.\u003c\/li\u003e\n  \u003cli\u003eFits GX335\/GX345\/GX355: serials below 090001.\u003c\/li\u003e\n  \u003cli\u003eFits X465–X495 with 54C decks: serials above 040000.\u003c\/li\u003e\n  \u003cli\u003eFits many X500–X740 series and LX280\/X320\/X324\/X340 within specified serial ranges; check description for exact ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I inspect before installing these replacement arms?\u003c\/h3\u003e\n\u003cp\u003eBefore fitting the new arms, confirm the shaft diameter and arm-hole dimension, inspect mounting points for wear, and ensure accompanying hardware is compatible. Installing an incorrect diameter or damaged mounting hardware can cause poor deck performance or premature wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm arm diameter = 7\/8\" and arm hole = 0.345\".\u003c\/li\u003e\n  \u003cli\u003eInspect deck brackets and fasteners for damage or elongation.\u003c\/li\u003e\n  \u003cli\u003eReplace any worn bushings, bolts, or cotter pins during installation.\u003c\/li\u003e\n  \u003cli\u003eTest deck travel and wheel rotation after installation to verify alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This replacement arm set is for owners, technicians, and DIY mechanics who maintain John Deere riding mowers and need a precise OEM-match 7\/8\" gage wheel arm for select 54C and 62C decks. If you need exact-fit parts to restore deck height control and avoid improper deck shimmy or drag, and you have verified your mower’s model and serial number match the listed ranges, this set provides two direct-replacement arms (AM120680 and AM120681) for targeted front and rear deck positions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know if I need the 7\/8\" arm version?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Measure your original arm shaft—if it’s 7\/8\" and the arm hole is 0.345\", this set fits. Also verify your mower’s serial number against the listed ranges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are both arms included and where are they used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The set includes one AM120680 (right-front) and one AM120681 (left-front or right-rear) for compatible decks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yoursme","offers":[{"title":"Default Title","offer_id":56834388361556,"sku":"B09WVFLYNC","price":100.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/yoursme-arm-front-packaging.jpg?v=1787049687","url":"https:\/\/gardenluxe.co.uk\/products\/yoursme-mower-deck-gage-wheel-arm-set-for-john-deere-54c-62c-7-8-shaft-0-345-hole-front-right-left-rear-replacement","provider":"Gardenluxe Uk","version":"1.0","type":"link"}