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Technical Specification
PRODUCT NUMBER 17793N30236N30403N32893N33217N17737NS6004S6007S6039S6045S6046S6055S6055PRS6061S6072
Voltage 121212241212121212121212121212
Design OSGRPMGRPMGROSGROSGROSGR
Manufacturer DensoDensoDensoDensoDensoDenso
Power 1.21.51.64.52.71.22.02.21.61.01.41.81.81.31.4
Rotation CWCCWCWCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 91391211999999121299

Q 1. Which Kubota models does this starter motor fit?

A. This WAI 19648N starter motor is cross-referenced to Kubota applications including the Kubota F2803 (1986–2007), covering 1 confirmed application in total. To verify fit for your specific machine, use the selection widget to match by make, model and engine, or search our cross-referenced catalogue by OEM number or machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this replace the Kubota part numbers 17121-63010, 17121-63013, and 17121-63014?

A. Yes. The WAI 19648N is cross-referenced against 5 Kubota OE part numbers including Kubota 17121-63010, Kubota 17121-63013, and Kubota 17121-63014 (as well as Kubota 1712163013 and Kubota 1712163014). If your machine's service record or existing unit carries any of these numbers, this starter motor is the confirmed replacement. There are 11 cross-references in total across Kubota, Denso, and Delco Remy.

Q 3. Will it replace Denso or Delco Remy starter numbers too?

A. Yes. In addition to the Kubota references, this part cross-references Denso numbers 228000-4740, 228000-4741, 2280004740, 2280004741, and 9722809474, as well as Delco Remy DRS0979. If the original starter on your machine carries any of these numbers, the WAI 19648N is the correct replacement. Search our catalogue by OEM number for a quick match.

Q 4. What are the key specifications of this starter motor?

A. The WAI 19648N operates at 12V with a 2.0kW output and clockwise (CW) rotation. It is built to the Denso OSGR (over-running-clutch shift-reduction) design with an 11-tooth pinion, and is supplied brand new — not reconditioned or exchange.

Q 5. What does OSGR mean, and why does it matter when ordering a replacement starter?

A. OSGR stands for Over-running-clutch Shift-Reduction — a starter motor design used by Denso in which the solenoid shifts the pinion into mesh before the motor reaches full speed, reducing ring gear wear. Fitting the correct design type is essential for reliable engagement, so always confirm the original starter is also OSGR before ordering. The specification table above confirms this unit is OSGR.

Q 6. Is this part covered by your Fit Guarantee?

A. Yes. Every vehicle and OE cross-reference shown for this part is checked against manufacturer data and backed by our Fit Guarantee. If it is not right, our Fit Guarantee or hassle-free returns have you covered.

Q 7. Where can I find related spares and accessories for this product?

A. Compatible spares and accessories are shown on the Related Accessories tab of this product page, and common parts across the brands we stock are in our Parts & Spares section.

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