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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 | £4.99 | 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: 12738N
The WAI 12738N is a brand-new 12V 85A alternator. It is built to Marelli IR/IF specification, cross-referenced against Denso, Delco Remy, Perkins, and Caterpillar original-equipment numbers — making it a straight replacement for a wide range of Caterpillar agricultural and industrial machines as well as select JCB models. It is supplied without a pulley, so the original pulley is retained during fitment, keeping the swap straightforward.
Built to Marelli IR/IF design standards, the 12738N features internal regulation and internal field excitation — the configuration used across the majority of modern compact and mid-range plant equipment. The clockwise rotation matches the OE drive setup on all listed applications, so no modification is required. Supplied brand new, this is a proven part we stock and supply regularly through our store.
With 94 cross-referenced OE and aftermarket numbers on record — spanning Denso (including 102211-8160, 102211-8170, 102211-8180), Delco Remy (including DRA0025, DRA0026, DRA0027), Perkins (including 2871A306, 2871A309, TPN771), and Caterpillar (3943494) — the 12738N covers 19 Caterpillar Ag. & Ind. applications and 2 JCB applications. Specific models include the Caterpillar 226B, AP255E, AP300, AP300D, CB14, CB22, CB22B, and CB24.
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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 | Marelli |
| Design | IR/IF |
| Voltage | 12V |
| Output | 85A |
| Rotation | CW |
| Pulley | w/o Pulley |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Exploring the WAI Starter Motor and Alternator at Partsformachines.com Introduction: In the Plant and Agriculture sector, a starter motor and alternator are parts that ensure a machine runs smoothly. At Partsformachines.com we have partnered with WAI, a global manufacturer of auto and plant machinery parts to off...
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Delivery Estimate: 1 to 2 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 14482N | 20539N | 21610N | 23853N | 21173N | 22155N | 23791N | 8440N | A4033 | A4058 | A4072 | A4084 | A4085 | A4103 | A9012 |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Output Current | 120 | 124 | 90 | 90 | 110 | 90 | 100 | 105 | 70 | 80 | 70 | 85 | 110 | ||
| Design | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | IR/IF | |||||||||
| Manufacturer | Marelli | Marelli | Electroprecizia | VISTEON | Marelli | Ford | Mando | Ford | |||||||
| Pulley | COUPLER | S6 | S6 | SC7 | S6 | AP | AP | AP | AP | AP | AP | ||||
| Rotation | CW | CW | CW | CW | |||||||||||
A. The 12738N fits 19 Caterpillar Ag. & Ind. applications and 2 JCB applications — a total of 21 applications in the cross-referenced catalogue. Named models include the Caterpillar 226B (2004–2008), AP255E (2015), AP300 (2008–2012), AP300D (2011), CB14 (2008–2014), CB22 (2012–2013), CB22B (2013–2014), and CB24 (2000–2013). Use the selection widget to match your exact make, model, and engine variant, or search our catalogue by OEM number. Every fitment listed is backed by our Fit Guarantee.
A. Yes. The WAI 12738N is cross-referenced against Denso 102211-8160, Denso 102211-8170, and Denso 102211-8180, along with Denso Aftermarket references DAN1072, DAN653, DAN654, and DAN655, and Denso OEM numbers 1022118160, 1022118170, and 1022118180 — 10 Denso references in total. If your current unit carries any of these numbers, the 12738N is the correct WAI replacement.
A. Yes, if your unit carries a Delco Remy reference among DRA0025, DRA0026, DRA0027, DRA3668, or DRA3677, the WAI 12738N is the cross-referenced replacement. Search our catalogue by your Delco Remy number to confirm, or ask Simon if you need further assistance.
A. Yes. The 12738N carries Perkins cross-references including 185046501, 2871A301, 2871A306, 2871A308, 2871A309, 3943494, T414270, and TPN771 — 8 Perkins references in total. If your machine's alternator is listed under any of these numbers, the WAI 12738N is the direct WAI replacement.
A. Yes. Both CAT 394-3494 and Caterpillar 3943494 are listed cross-references for this alternator. You can confirm fitment by searching our catalogue using either of those OE numbers, or use the selection widget to match by your machine model.
A. The WAI 12738N is a 12V, 85A alternator with clockwise (CW) rotation and an IR/IF (internal regulator / internal field) design built to Marelli specification. It is supplied brand new and without a pulley — the original pulley from the unit being replaced is reused during installation. Full specifications are shown in the table on this listing.
A. No — the 12738N is supplied without a pulley. You will need to transfer the pulley from the original alternator being replaced. This is standard practice for this style of Marelli IR/IF unit and keeps the installation compatible with the existing belt configuration.
A. There are 94 OE and aftermarket cross-references on record for this part, spanning Denso, Delco Remy, Perkins, and Caterpillar. The full list is searchable in our cross-referenced catalogue — search by your existing part number to verify the match instantly.
A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.
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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