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M154621 1/2" x 146.24" Aramid Heavy Duty Lawn Mower Deck Belt
✅ In stock
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Grade
Analysis Confidence
20%
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Price verified Sep 27, 2026 6:07 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
Autonano-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓BELT SIZE: 1/2" Wide x 146.24" Long (12.7mm x 3714mm) Deck Belt – OEM-matched dimensions for John Deere X300 Select Series 42-inch and Z245 EZtrak 48-inch mower decks. Replaces OEM part number M154621. Also cross-references Exmark 109-5364, 109-5364-SL, Country Clipper D-3727, D-3727-W for easy part verification.
✓COMPATIBLE WITH JOHN DEERE X300 SELECT SERIES (42" DECK): Fits John Deere X300 (42C Convertible Deck), X304 (42C Convertible Deck), X310 (42-inch Edge Deck), X360 (42-inch Edge Deck) lawn tractors. All Select Series configurations with 42-inch mower deck using the M154621 belt specification.
✓COMPATIBLE WITH JOHN DEERE Z245 EZTRAK ZERO TURN (48" DECK): Fits John Deere Z245 EZtrak Zero-Turn Mower with 48-inch Top Discharge Deck. This is the same belt used for both the 42-inch X300 Select Series and the 48-inch Z245 EZtrak configurations.
✓COMPATIBLE WITH EXMARK QUEST & COUNTRY CLIPPER (48" DECK): Fits Exmark Quest 48-inch deck (Serial No. 670,000 and higher): QSS708GEM50200, QSS725GKC50200, QT24KA501, QTE708GEM50200, QTE735KC501, QTS725GKC50200, QZE725GKC50200. Also compatible with Country Clipper Jazee 42-48-inch SR205/210/215/220, Jazee Pro 48-inch SR370, Charger 48-inch SR1000.
✓ARAMID CORD CONSTRUCTION FOR SUPERIOR STRENGTH: Outperforms standard polyester-rubber belts with greater breaking strength and longer service life.
✓FLAT BELT PROFILE WITH WRAPPED OUTER COVER: Seam positioned on the reverse side, away from pulley contact surfaces, minimizing wear and preventing premature cracking.
✓OEM-GRADE PRECISION FIT – NO SLIPPAGE OR ROLLOVER: Engineered to OEM tolerances for consistent tension across all idler and spindle pulleys on listed John Deere X300 Select Series and Z245 EZtrak deck configurations. Proper belt routing maintained from the first mow.
✓EASY INSTALLATION – VERIFY DECK SIZE BEFORE ORDERING: M154621 fits both 42-inch X300 Series decks AND 48-inch Z245 EZtrak decks. Verify your exact model and deck size configuration against the OEM part number M154621 before ordering. Inspect pulleys and bearings before installing. Backed by AUTONANO customer support.
⚙️ Specifications
Brand
Autonano
Material
Rubber
Product Dimensions
146.24"L x 0.5"W
Belt Style
Flat Belt
Compatible Devices
Fits Exmark Quest 48-inch deck (Serial No. 670,000 and higher): QSS708GEM50200, QSS725GKC50200, QT24KA501, QTE708GEM50200, QTE735KC501, QTS725GKC50200, QZE725GKC50200., Fits John Deere X300 (42C Convertible Deck), X304 (42C Convertible Deck), X310 (42-inch Edge Deck), X360 (42-inch Edge Deck) lawn tractors., Fits John Deere Z245 EZtrak Zero-Turn Mower with 48-inch Top Discharge Deck. This is the same belt used for both the 42-inch X300 Select Series and the 48-inch Z245 EZtrak configurations.
Brand Name
Autonano
Number of Items
1
Manufacturer
Autonano
Item Highlight
Compatible with John Deere X300 X304 X310 X360 42 Inch Deck & Z245 EZtrak 48 Inch Zero Turn Mower
Included Components
1X Lawn Mower Belt
Style Number
M154621
