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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: 12181N
The WAI 12181N is a brand-new 12V 50A alternator. It is built to Denso IR/IF specification, cross-referenced directly against Denso original-equipment numbers including 100211-4200 and 100211-4201, as well as Toyota OE references such as 27070-23040. It is designed to replace worn or failed alternators across 12 Toyota applications, covering models including the 5FD-10, 5FD-14 and 5FD-23.
Constructed to IR/IF (internal regulator / internal fan) design standards, the 12181N delivers a 50-amp output at 12 volts and runs clockwise rotation, fitted with a groove pulley for straightforward installation on compatible Toyota equipment. Supplied as a complete, ready-to-fit unit, it is intended as a direct OE replacement with no modification required.
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PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Type | Alternator |
|---|---|
| Manufacturer | Denso |
| Design | IR/IF |
| Voltage | 12V |
| Output | 50A |
| 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. The WAI 12181N fits 12 Toyota applications, including the 5FD-10, 5FD-14, 5FD-15, 5FD-18, 5FD-20, 5FD-23, 5FD-25 and 5FG-33. Use the selection widget to match your exact model and variant, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.
A. Yes. The WAI 12181N is cross-referenced against Denso 100211-4200, Denso 100211-4201, Denso OEM 1002114200 and Denso OEM 1002114201, among a total of 16 OE references across multiple brands. It is a direct brand-new replacement for the original Denso unit.
A. Yes. In addition to the Denso references, the WAI 12181N is cross-referenced to Delco Remy DRA1387 and to Toyota OE numbers including 27070-23040, 27070-23040-71 and 270702300071, among others. There are 16 cross-references in total; search our catalogue by any of these numbers to confirm the match.
A. The 12181N operates at 12 volts with a 50-amp output, clockwise rotation, and IR/IF (internal regulator / internal fan) design. It is fitted with a groove pulley and is supplied brand new.
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.
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.
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