Lawn, Garden & Zero-Turn Mowers
- G2160
- G2160-R48S
- GR2100
- TG1860
- ZD18
- ZD21
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Starter Motor by Durautos.com
Durautos Starter Motor for Kubota ZD21 D722 D782 Diesel 18-21HP, Replaces 1G023-63010
Durautos Starter Motor for Kubota ZD21 D722 D782 Diesel 18-21HP, Replaces 1G023-63010
Regular price
$80.99 USD
Regular price
$69.98 USD
Sale price
$80.99 USD
Quantity
Couldn't load pickup availability
Durautos Kubota ZD21 Starter, D722, GR2100 & TG1860 Starter Motor (1G023-63010)
★★★★★ 4.9/5 (23 Customer Reviews)
OEM# 1G023-63010 | Lester 18417
Equipment Compatibility Guide
Open the application section below to review verified model coverage and engine specifications. Always match your equipment model, engine code, and original starter part number before ordering.
KUBOTA Applications6 equipment lines
⚠ Please check your existing starter part number to ensure exact fitment. Verify the 9-tooth drive gear, clockwise (CW) rotation, mounting ear spacing, and terminal position before installation.
Technical Specifications
100% New
12V
1.0 kW
9 Teeth
CW
PMGR
Cross Reference Numbers & Top Matches
POPULAR FITMENT SEARCHES
Kubota ZD21 starter Kubota D722 starter Kubota GR2100 starter Kubota TG1860 starter motor
Kubota
1G023-63010 1G023-63011 1G023-63012 67980-31150 67980-31151 67980-31152 67980-31153 6A320-59212 K3511-81410 K3511-81411
Denso
228000-5910 228000-5911 228000-7090 228000-7091 228000-7480 228000-7481
Lester
18417
Doosan
22986517
JLG Industries
70005743
TUG Technologies
GSE6100130
The Durautos Equipment Advantage
- Commercial & Ag Duty: Engineered to withstand harsh outdoor working conditions, grass clippings, dust, and continuous thermal cycling on small diesel engines.
- High-Torque PMGR Gear Reduction: 1.0kW permanent magnet gear reduction motor delivers high cranking torque while drawing less battery current for instant ignition.
- Exact OE Bolt-On Fit: Matches factory Kubota and Denso mounting ear positions, solenoid wiring terminals, and 9-tooth pinion pitch for zero modification.
- 1-Year Limited Warranty: Backed by the Durautos full 1-year limited warranty against manufacturing defects, ensuring long-term reliability for your equipment.
- No Core Return Needed: Supplied as a complete, 100% brand-new ready-to-install unit without core deposits or return shipping hassles.
Frequently Asked Questions
How do I verify that this starter matches my Kubota ZD21 starter or Kubota TG1860 starter motor?
Check the stamped label on your original starter for OEM numbers like 1G023-63010 or Denso 228000-7480. In addition, confirm your engine model (such as a Kubota D722 starter application or D782), verify that the drive pinion has 9 teeth, and ensure clockwise (CW) rotation.
What is the difference between PMGR and traditional starters?
PMGR (Permanent Magnet Gear Reduction) starters utilize internal gear reduction and high-flux permanent magnets, producing higher cranking torque with lower electrical amperage draw and a more compact, lighter casing.
My mower clicks but won't crank. Is the starter motor bad?
A single loud click often points to a weak battery, corroded battery cables, a bad ground, or worn internal starter solenoid contacts. Before replacing the starter, load-test the 12V battery and clean all battery terminals and frame ground connections.
What warranty protection is included with this Durautos starter?
All Durautos starter motors come with a 1-year limited warranty protecting against electrical and mechanical manufacturing defects. Reach out to our customer support team with your order number for fast assistance.
For product selection or volume-order questions, contact Racing Precision Motorsports.
SKU: YWD6031
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