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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £5.49 | 1 to 2 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 12188N
The WAI 12188N is a brand-new 12V 40A alternator. It is built to replace Denso original-equipment units — including Denso 100211-4530, Denso 100211-4531, Denso OEM 1002114530 and Denso OEM 1002114531 — as well as Yanmar originals such as YANMAR 119620-77201 and YANMAR 119620-77202. It carries an internal regulator, internal fan (IR/IF) design and clockwise rotation, and is fitted with a groove pulley for a direct, no-modification installation on supported machines.
Covering 23 applications across John Deere, Godwin and Yanmar — including John Deere 3005, 3009 and 320 Farm Tractor models — this alternator is a reliable replacement for worn or failed charging units in the field and on the farm. The IR/IF configuration keeps the regulator and brushgear internal, reducing external wiring complexity and making the unit straightforward to install in the original mounting position.
Additional cross-references include Remy RA00133, John Deere AM877740, Sando 20402480, Unipoint ALT5306, and further Yanmar references Yanmar 11962077201, Yanmar 11962077202, and Yanmar SE501824 — 13 verified OE references in total.
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| Type | Alternator |
|---|---|
| Manufacturer | Denso |
| Design | IR/IF |
| Voltage | 12V |
| Output | 40A |
| Rotation | CW |
| Pulley | Groove Pulley |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
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Standard Delivery: £5.49
Delivery Estimate: 1 to 2 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 13919N | 22925N | 23328N | 13592N | 13919 | 21881N | 23298N | 23820N | A6018 | A6025 | A6052 | A6061 | A6063 | A6077 | A6079 |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | |
| Output Current | 140 | 60 | 125 | 50 | 130 | 120 | 150 | 80 | 100 | 100 | 130 | 120 | 105 | ||
| Design | IR/IF | IR/IF | ER/IF | IR/IF | IR/IF | IR/IF | |||||||||
| Manufacturer | Denso | Denso | Denso | Denso | Denso | Denso | Denso | ||||||||
| Pulley | S6 | S6 | V1 | SC5 | SC6 | AFP | AFP | AFP | AFP | AFP | AP | AFP | |||
| Rotation | CW | CW | CW | CW | CW | ||||||||||
A. This alternator fits 23 applications across John Deere, Godwin and Yanmar, including the John Deere 3005 (2008–2012), John Deere 3009 (all years), John Deere 320 Farm Tractor (2005–2011) and Godwin 4" Diameter models (1993–1998). Use the selection widget to match your exact make, model and engine variant, or search our cross-referenced catalogue by machine model. Every fitment is backed by our Fit Guarantee.
A. Yes. The WAI 12188N directly replaces Denso 100211-4530, Denso 100211-4531, Denso OEM 1002114530 and Denso OEM 1002114531 — four verified Denso OE references. If you are matching from a Denso number, search our cross-referenced catalogue or ask Simon to confirm fitment to your unit.
A. Yes — the WAI 12188N is cross-referenced against five Yanmar OE numbers: YANMAR 119620-77201, YANMAR 119620-77202, Yanmar 11962077201, Yanmar 11962077202 and Yanmar SE501824. Search by your Yanmar part number or machine model to confirm the correct match for your application.
A. The WAI 12188N is a 12V, 40A alternator with an internal regulator and internal fan (IR/IF) design, clockwise rotation and a groove pulley. It is supplied brand new.
A. Yes. John Deere AM877740 is one of the 13 verified OE cross-references for the WAI 12188N. Use the selection widget or search by this OE number to confirm the fit for your John Deere model.
A. In addition to Denso, Yanmar and John Deere references, the WAI 12188N is also cross-referenced against Remy RA00133, Sando 20402480 and Unipoint ALT5306 — 13 OE references in total. Search by any of these numbers in our catalogue to verify fitment.
A. IR/IF stands for Internal Regulator / Internal Fan. The voltage regulator and fan are both housed within the alternator casing, which simplifies external wiring and allows the unit to mount directly in the original position without additional regulator wiring.
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.
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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