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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 Ford and Case machines does the WAI 18139N fit?

A. This starter motor covers 75 applications across New Holland Industrial (49 applications), Case (25), Ford (2) and Ishikawajima (1). Case models confirmed in the fitment data include the 410, 420, D35, D40, D45, DX34, DX35 and DX40 (2004–2012 build range). To verify your exact make, model and engine variant, use the selection widget or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this replace Ford Engineering part number SBA185086520?

A. Yes. The WAI 18139N is cross-referenced against Ford Engineering SBA185086520 and SBA185086530, Ford SBA18508-6520 and SBA18508-6530, and Ford SBA185086520 and SBA185086530 — six Ford references in total. These are among the highest-demand OE numbers for this starter. Search our catalogue by OE number to confirm the match for your machine.

Q 3. Which Denso and Delco Remy part numbers does this replace?

A. The 18139N cross-references 11 Denso numbers including 228000-2970, 228000-5120, 228000-5121, 228000-5122, 228000-5123, 2280002970, 2280005120, 2280005121, 2280005122, 2280005123 and 9722809512, plus Delco Remy DRS0511 and Remy RS41279. In total there are 26 OE references across Ford, Denso, Delco Remy, Remy, New Holland and Ishikawajima — search by any of these numbers to confirm fitment.

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

A. The WAI 18139N is a 12V, 2.0kW starter motor using a Denso OSGR (Over-Running Clutch with Gear Reduction) design. It has an 11-tooth pinion and clockwise rotation. It is supplied brand new — not remanufactured. Full figures are in the specification table on this listing.

Q 5. Is this starter motor brand new or remanufactured?

A. Brand new. The WAI 18139N is supplied as a new unit — not reconditioned or remanufactured. It is a direct like-for-like replacement for the original Denso OSGR starter where the original has failed.

Q 6. How do I confirm this part fits my vehicle or machine?

A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.

Q 7. 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.

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