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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: 12179N
The WAI 12179N is a brand-new 12V 40A alternator. It is built to Denso IR/IF specification, replacing original-equipment units across Kubota, Case, Compac Equipment Mfg. and Corniver machines. It carries direct cross-references to Kubota numbers including 16231-24011, 1623164010 and 1623164011, as well as Denso references 100211-1670 and 1002111670, Bosch Exchange 0986037271, Delco Remy DRA7271, Remy 50912 and Valeo 436497 — 37 OE references in total — making it a thoroughly cross-referenced drop-in replacement for a wide range of compact tractors and specialist equipment.
The IR/IF (internal regulator, internally fan-cooled) design keeps the unit self-contained, eliminating external regulator wiring and simplifying installation. Output is rated at 40 amperes at 12 volts, and the unit is fitted with a groove pulley to suit the original drive belt arrangement. Being brand new rather than remanufactured, there are no worn brushes, corroded slip rings or tired bearings to concern yourself with from the outset.
Fitment spans 28 applications across four makes, with the Kubota range accounting for 24 of those — covering models such as the B1550E, B21TL, B21TLB and B26, as well as Case 1838 and Case 6010 plant equipment. The unit is supplied ready to fit.
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| Type | Alternator |
|---|---|
| Manufacturer | Denso |
| Design | IR/IF |
| Voltage | 12V |
| Output | 40A |
| Pulley | Groove Pulley |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
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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 24 Kubota applications, including models such as the B1550E (1988–2007), B21TL (2001–2009), B21TLB (2001–2009) and B26 (2005–2009). It also fits Case 1838 and Case 6010, Compac Equipment Mfg. TA48, and Corniver CT48S — 28 applications across four makes in total. To confirm fitment for your specific machine, use the selection widget to match by make, model and engine, or search our cross-referenced catalogue by OEM number. Every fitment shown is backed by our Fit Guarantee.
A. Yes. The WAI 12179N carries direct cross-references to Kubota 16231-24011, Kubota 1623124011, Kubota 1623164010, Kubota 1623164011, Kubota 1623164012, Kubota 1623164013, Kubota 16241-64010, Kubota 16241-64011 and Kubota 16241-64012 — nine Kubota OE references in total. If you are working from a different Kubota number, search our cross-referenced catalogue or ask Simon to confirm.
A. Yes, the 12179N carries 37 OE references across multiple brands. These include Denso 100211-1670, Denso OEM 1002111670, Denso USA 2107002, Denso USA 9760218167; Bosch Exchange 0986037271; Delco Remy DRA7271; Remy 50912, Remy 93021, Remy RA00136; Valeo 436497; Case 125564A1, Case 133745A1; Hella 8EL011711391; GENIE P114682GT; and DRI 217105402, among others. Only references confirmed in the published OE data are listed.
A. IR/IF stands for Internal Regulator, Internally Fan-cooled. The voltage regulator is built into the alternator body, so no separate external regulator is required and the wiring loom connections are the same as the original unit. This makes it a straightforward swap — no additional wiring modifications are needed beyond the standard connections for your machine.
A. The WAI 12179N is brand new — not remanufactured or reconditioned. It leaves the box with fresh brushes, clean slip rings and new bearings, with no previously worn components.
A. The 12179N is fitted with a groove pulley, matching the original drive belt arrangement on the applications it replaces. If you are uncertain whether the groove profile matches your specific belt setup, check your machine's service documentation or ask Simon before ordering.
A. The WAI 12179N is rated at 40 amperes at 12 volts. It is designed as a direct OE replacement, so the output specification matches that of the original Denso unit it replaces.
A. Yes. Every vehicle application and OE cross-reference shown for the WAI 12179N is checked against manufacturer data and backed by our Fit Guarantee. If the part is not right for the fitment confirmed at the time of purchase, our Fit Guarantee or hassle-free returns have you covered.
A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.
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