Description
xHQPASFY K5559-34880 is a heavy-duty flat idler pulley engineered to replace worn original pulleys on compatible Kubota mower decks and Z-series mowers.
If a noisy belt path, slipping belt, or visible wear has you troubleshooting your Kubota mower, this direct-fit flat idler pulley provides a straightforward replacement for several OEM part numbers. Built from corrosion-resistant metal and sized to match the original, it restores belt tracking and tension so your deck runs smoothly again. Below you’ll find clear answers to common buyer questions plus exact fit details to confirm compatibility.
Which Kubota models will this idler pulley fit?
This pulley replaces the OEM part numbers K5559-34880, K5639-34882 (and variants) and fits a range of Kubota deck and mower models. Always compare dimensions and OEM numbers before ordering to ensure proper fit.
- Decks: RCK42P-122Z, RCK48P-124Z, RCK48P-400Z, RCK54P-127Z, RCK60P-400Z
- Mowers: Z121S, Z121S-48, Z121SKH-48, Z122E, Z122E-48, Z122R-42, Z125E, Z125S, Z231BR, ZG123S
What are the pulley’s exact dimensions and package contents?
The replacement arrives as a single flat idler pulley designed to match the OEM geometry so it installs without modification. Confirming measurements against your worn part prevents returns and ensures correct belt alignment.
- Package contains: 1 flat idler pulley
- Width: 1 inch; Outer diameter: 5.7 inches; Inner diameter (bore): 0.5 inch
- Compare these to your mower’s existing pulley or OEM spec sheet before purchasing
How durable is this replacement compared with the original?
Manufactured from premium metal, the pulley emphasizes corrosion and abrasion resistance to withstand outdoor conditions and repeated belt contact. Proper installation and routine maintenance will extend service life, similar to an OEM part.
- Metal construction resists rust and wear
- Designed for belt-guiding loads typical of residential and light-commercial mowers
- Works best when installed with correct belt tension and alignment
Is it easy to install and any safety tips?
Yes — it’s a direct-replacement pulley intended for simple bolt-on installation using the mower’s original hardware. Basic hand tools are usually sufficient; always follow safe practices when servicing equipment.
- Disconnect spark plug and power before beginning work
- Use appropriate wrenches and wear work gloves for protection
- Check belt routing and tension after installation
Who is this for: This HQPASFY flat idler pulley is for homeowners and small property caretakers who maintain Kubota RCK decks or Z-series mowers and need a reliable OEM-style replacement. It’s also a good option for repair shops looking for a durable, dimension-matching pulley that restores belt tracking without fabrication. If you’re replacing a worn or noisy pulley and your model and measurements match the ones listed above, this part offers a practical, long-lasting repair solution.
FAQ
Q: Will this pulley fit my Kubota RCK48P-124Z deck?
A: Yes. This HQPASFY pulley lists compatibility with the RCK48P-124Z. Verify dimensions (5.7" OD, 1" width, 0.5" bore) against your existing pulley before purchase.
Q: Can I install this pulley myself?
A: Yes. It’s a direct-replacement part. Disconnect power, wear gloves, and use standard hand tools to remove the old pulley and fit the new one.
Delivery & Returns
xFree UK delivery on every order — packed within 1 business day, arriving in 2–4 business days.
Free 30-day returns — email us for a prepaid label; refunds land within 3–5 business days of the return arriving.
Why GardenLuxe
x- ✓ Proven best-sellers only — products UK gardens buy again and again
- ✓ Free UK delivery on every order
- ✓ Free 30-day returns with prepaid label
- ✓ Genuine products from reputable suppliers
- ✓ Human support — gardenluxe.co.uk@gmail.com
Care & Good To Know
x- Rugs & mats: hose down or machine wash per label; air-dry fully before storing.
- Shade cloth: use every grommet, tension with bungee ties, take down for winter storms.
- Fertilisers & plant food: always follow label dose rates; store sealed, dry and away from children and pets.
- Power tool parts: check bar length and pitch/gauge match your saw before fitting.
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