Description
xHeavy-duty JXJKCZ mulching blades designed to replace John Deere OEM UC22008 / M170642 / M170639 on 42" decks — sold as a two-blade pack for reliable cut performance.
These replacement blades are engineered for rear-discharge and mulching setups on many John Deere riding mowers. Each blade measures 21 3/8" long, 2 3/4" wide and 0.197" thick with a 13/16" round center hole, matching the fit and mounting pattern of the original equipment numbers listed. The package contains two blades suitable for 42-inch decks that need restored cutting efficiency or a mulching upgrade.
Will these blades fit my John Deere mower model?
Yes — the blades are made to match several John Deere part numbers and common 42" deck models. Check the center hole diameter and blade length against your existing blade to confirm fit before ordering.
- Replaces OEM: M170642, M170639, UC22008, GY20683
- Fits models: Z335E, Z335M, Z345M, Z345R
- Also compatible with: X330, X354, X370, X380, S220 and other 42" deck applications
- Blade dimensions: 21 3/8" L × 2 3/4" W × 0.197" thick, center hole 13/16" round
How do these blades improve cutting and mulching?
These JXJKCZ blades are shaped to create stronger airflow under the deck, enabling finer clippings and more consistent mulch distribution. Properly installed, they help produce a cleaner cut and reduce clumping compared with worn or incorrect blades.
- Mulching edge geometry promotes recirculation and finer clippings
- Durable thickness holds an edge longer under regular use
- Matched OEM mounting hole ensures correct deck alignment and balance
- Two-blade set restores even cutting across a 42" deck
What materials and quality assurances come with the blades?
The blades are manufactured to meet fit and durability expectations for residential and light commercial mowing. JXJKCZ backs the product with customer support and a 24-month after-sales warranty to address defects or fit issues.
- Precision-drilled center hole for reliable mounting
- Appropriate thickness to resist bending and retain edge
- Quality control checks for consistent length and hole placement
- 24-month warranty and responsive email support from the seller
Who is this for? Homeowners or property caretakers who own compatible John Deere lawn tractors and want an OEM-fit replacement or upgrade for mulching capability will find these blades suitable. They are intended for users who need direct-fit parts to restore cutting performance on a 42" deck without modifying spindles or deck hardware. If you maintain medium-sized lawns and prefer consistent clippings and reliable blade life, this two-pack gives a straightforward, value-conscious option.
FAQ
Q: Do these blades match John Deere part UC22008?
A: Yes — they are made to replace UC22008 (and M170642/M170639/GY20683) with matching hole and length.
Q: Are these blades sold as a complete set for a 42" deck?
A: Yes — the package includes two blades designed to cover a 42-inch mowing deck.
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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