
M174994 Mower Deck Belt Replacement for John Deere X350, X330, X370 & More | 42-in Deck | Aramid Cord
SKU M174994_belt
Availability: In stock
Order by 8:00 PM ET, this part ships TODAY!
Business days only, for in-stock orders with confirmed payment and delivery details. Orders at or after 8 PM ET, on weekends or holidays ship the next business day. See shipping policy.
Returns require unused, uninstalled items and return instructions. See return conditions.

Online checkout is currently unavailable. Order and delivery policies apply when ordering opens.
Confirm the equipment model, serial number and individual part specifications before choosing a replacement.
Before ordering, compare deck versus traction-drive circuit; belt length and measurement convention; width and profile; routing and tensioning system with the equipment documentation and the selected listing.
Product details
- Replaces OEM Part: John Deere M174994
- Dimensions: 0.56 in. width x 144.8 in. length
- M174994 John Deere 42 Inch Deck Belt Compatible with Only 42A inch Deck X330 (PC12876 (080000 - )), X350 (PC12707), X354 (PC12709), X370 (PC12710) Lawn and Garden Tractors
- Wear Resistance: Lab-tested with low friction and minimal wear volume, ensuring long-lasting performance.
- Load Capacity: Proven high breaking strength and flexibility to handle heavy-duty use without failure.
- Material Quality: Built with aramid tensile cords, a natural rubber body, and a two-layer wrapping cover for maximum strength, durability, and flexibility.
- Designed under controlled standards with a tolerance of ±0.40". Slight length variations are a normal part of manufacturing and do not affect performance.
Additional information
| Brand | UDC Mower Belts |
|---|