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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: 7127-12R
The WAI 7127-12R is a brand-new 12V 63A alternator. It is built to replace Delco original-equipment units across a wide range of agricultural, industrial, and automotive applications. Designed to the Delco 10SI series specification with an IR/EF (internal regulator, external fan) layout, it covers 108 OE cross-references including DELCO 1100125, 1100131, and 1100132 — making it one of the most broadly applicable alternators in the WAI plant and agriculture range.
The 10SI series design is one of the most established in the industry, and the WAI 7127-12R reproduces its key characteristics faithfully: clockwise rotation, a V1 pulley configuration, and the internal regulation that makes installation straightforward without the need for a separate voltage regulator. Lester number 7127-12 confirms the unit's identity within the standard industry cross-reference system.
Fitment spans over 540 vehicle and machine applications across makes including International, Chevrolet, GMC, Buick, Pontiac, Cadillac, Oldsmobile, Massey Ferguson, Clark, Case, Hyster, Yale, White Industrial, Etnyre, and Teledyne Continental — covering models from early-1970s passenger vehicles through to agricultural and construction plant. The breadth of the application list reflects the 10SI's long production life across General Motors and Delco-supplied platforms.
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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 |
|---|---|
| Voltage | 12V |
| Output | 63A |
| Rotation | CW |
| Design | IR/EF |
| Manufacturer | DELCO |
| Series | 10SI |
| Pulley | V1 |
| Lester | 7127-12 |
| 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 | 8600310 | A1029 | A1029PR | A1039 | 7127-SEN | 7127-SEN-100A1G | 7127-SEN-2G | 7256N | 7850N | 7853N-140A | 8030N | 8073N | 8718N | 12168N-DR | 7127-SEN-1 |
| Voltage | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 24 | 12 | 12 | 12 | 12 | |
| Output Current | 100 | 100 | 140 | 63 | 100 | 63 | 90 | 100 | 140 | 70 | 130 | 160 | 160 | 63 | |
| Design | 10SI Series IR/EF | 10SI Series IR/EF | IR/EF | 30SI/TR Series IR/IF | 27SI/200 Series IR/EF | 15SI IR/EF | 21SI Series IR/EF | 22SI Series IR/EF | 24SI Series HP IR/IF | CS130D IR/IF | 10SI Series | ||||
| Manufacturer | Delco | Delco | Delco | Delco | Delco | Delco | Delco | Delco | Delco | Delco | Delco | ||||
| Pulley | AFP | AFP | AFP | Groove Pulley | Groove Pulley | Groove Pulley | Without Pulley | Without Pulley | Groove Pulley | Without Pulley | Without Pulley | Without Pulley | Groove Pulley | Groove Pulley | |
| Rotation | CW | CW | CW | CW | Bi-directional | CW | CW | CW | CW | CW | CW | ||||
A. The WAI 7127-12R is a direct replacement for Delco original-equipment alternators across 108 OE cross-references. Confirmed references in the supplied data include DELCO 1100125, DELCO 1100131, DELCO 1100132, DELCO 1100166, DELCO 1100168, DELCO 1100175, DELCO 1100176, DELCO 1100218, DELCO 1100221, DELCO 1100222, DELCO 1100226, DELCO 1100267, DELCO 1100268, DELCO 1100477, DELCO 1100543, DELCO 1100544, DELCO 1100545, DELCO 1100546, DELCO 1100554, DELCO 1100556, DELCO 1100563, DELCO 1100588, DELCO 1100872, DELCO 1100873, and DELCO 1100874, among others. To check whether a specific Delco number is covered, search our cross-referenced catalogue by OEM number or ask Simon.
A. This alternator covers over 540 applications across International, Chevrolet, GMC, Buick, Pontiac, Cadillac, Oldsmobile, Massey Ferguson, Clark, Case, Hyster, Yale, White Industrial, Etnyre, and Teledyne Continental. Examples from the fitment data include the Buick Apollo (1973–1974), Buick Centurion (1973), Buick Century (1973–1974), Buick Electra (1973–1974), Buick LeSabre (1973–1974), and Buick Riviera (1970–1974). Use the selection widget to match your exact make, model, and engine variant, or search by OEM number. Every fitment shown is backed by our Fit Guarantee.
A. Case is confirmed in the application data for the WAI 7127-12R, which covers 4 Case applications in total. To confirm whether the 1840 specifically is among them, use the selection widget with your machine model and engine details, or search the catalogue by OEM number. You can also ask Simon for a direct check.
A. The WAI 7127-12R is a 12-volt, 63-amp unit of the Delco 10SI series, featuring an internal regulator and external fan (IR/EF) design, clockwise rotation, and a V1 pulley. The Lester reference number is 7127-12. It is supplied brand new. Full specifications are listed in the table within the product description.
A. The 7127-12R uses an IR/EF design — meaning it incorporates an internal voltage regulator. No separate external regulator is required, which keeps the installation clean and consistent with the original Delco 10SI configuration it replaces.
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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