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Autonano

M169485 Deck Belt Fits for John Deere X380 X394 X570 5/8"x74.8"

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Current Price
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$24.69
Analysis Confidence 15%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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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 SPECS: 5/8" Wide x 74.8" Long – Primary mower deck drive belt (engine to deck). Replaces OEM Part Numbers: M169485, UC39236 (current superseding part number). Cross-references: Stens 266-295; Ferris 5021251, 5021251SM, 21251, 1521251. Always verify your OEM part number and deck configuration before ordering. Note: the secondary blade-to-blade deck belt for these same models is M169500 (5/8" x 103.5").
✓COMPATIBLE WITH JOHN DEERE X300 SELECT SERIES (42" MULCH & 48A DECK): Fits X350 with 42" Mulch Deck and 48" Deck; X354 with 42" Mulch Deck and 48" Deck; X370 with 42" Mulch Deck and 48" Deck; X380 with 42" Mulch Deck and 48" Deck; X384 with 42" Mulch Deck and 48" Deck; X390 with 42" Mulch Deck and 48" Deck; X394 with 48" Deck. Also fits X330 with 48" deck.
✓COMPATIBLE WITH JOHN DEERE X500 MULTI-TERRAIN SERIES (48A & 54A DECK): Fits X570 with 48" Deck and 54" Deck; X580 with 48" Deck and 54" Deck; X584 with 48" Deck and 54" Deck; X590 with 48" Deck and 54" Deck (Serial No. 110,001 and higher). Verify serial number for X590 models using the OEM sticker under the seat before ordering.
✓COMPATIBLE WITH FERRIS & JOHN DEERE FS-SERIES: Fits Ferris models using cross-reference 5021251, 5021251SM, 21251, and 1521251. Also fits John Deere commercial FS-Series: FS5600, FS5651, and FS5730. Verify OEM cross-reference before ordering for Ferris and FS-Series applications.
✓IMPORTANT – THIS IS THE PRIMARY (ENGINE-TO-DECK) BELT: M169485 is the primary deck drive belt that transfers power from the engine pulley to the mower deck. The secondary blade-to-blade belt on the same 48A/54A deck is M169500 (5/8" x 103.5"). M169485 fits 42", 48", and 54" mower decks depending on the model and configuration. Confirm your exact deck size and belt routing diagram before ordering to ensure you are replacing the correct belt.

⚙️ Specifications

Brand
Autonano
Material
Rubber
Belt Style
V-Belt
Compatible Devices
Lawn Mower
Number of Items
1
Brand Name
Autonano
Manufacturer
Autonano
Item Highlight
Compatible with John Deere X330 X350 X354 X370 X380 X384 X390 X394 X570 X580 X584 X590 42M 48A 54A Deck | Aramid Cord
Unit Count
1 Count
Included Components
1 mower belt
Style Number
M169485

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