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Technical Specification
PRODUCT NUMBER 86003107127-12RA1029A1029PRA10397127-SEN7127-SEN-100A1G7127-SEN-2G7256N7850N7853N-140A8030N8073N8718N12168N-DR
Voltage 1212121212121212121224121212
Output Current 6310010014063100639010014070130160160
Design IR/EF10SI Series IR/EF10SI Series IR/EFIR/EF30SI/TR Series IR/IF27SI/200 Series IR/EF15SI IR/EF21SI Series IR/EF22SI Series IR/EF24SI Series HP IR/IFCS130D IR/IF
Manufacturer DelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelco
Pulley V1AFPAFPAFPGroove PulleyGroove PulleyGroove PulleyWithout PulleyWithout PulleyGroove PulleyWithout PulleyWithout PulleyWithout PulleyGroove Pulley
Rotation CWCWCWCWCWBi-directionalCWCWCWCWCW

Q 1. What does the WAI 7297N replace — which OE part numbers does it cross-reference?

A. The WAI 7297N cross-references 47 OE numbers in total. These include Delco Remy DRZ0142; Remy 1117615, 1117619, 1117622, 1117623, 1117631, 1117640, 1117642, 1117643, 1117644, 1117645, 1117647, 1117650, 1117655, and 53136; Caterpillar 0R2698, 0R5217, 3N2702, 3N2706, 3T6352, 3Y6691, and 5N5692; Prestolite Electric 2303JB; and AC Delco 321660 and 321665, among others. Search our cross-referenced catalogue by OEM number to verify your specific reference, or ask Simon if you need further assistance.

Q 2. Which machines and models will this alternator fit?

A. The WAI 7297N covers 194 verified applications. The largest groups are Caterpillar Ag. & Ind. (127 applications), Fiat-Allis (41), Champion (16), Allis Chalmers (3), and Atlas Copco (2), with further fitment to Dresser, Kobelco, Sullair, Wabco, and Jet Edge machines. Named examples include the Caterpillar 120B, Caterpillar 120G, Caterpillar 12G, Allis Chalmers 6138, Allis Chalmers 685, Atlas Copco XAMS355, and Atlas Copco XAS400. Use the selection widget to match your specific make, model, and engine, or search by OE number. Every fitment shown is backed by our Fit Guarantee.

Q 3. Does this alternator come with a pulley fitted?

A. No — the WAI 7297N is supplied without a pulley. This allows you to refit your original pulley directly, preserving the correct belt alignment and drive ratio for your machine.

Q 4. What rotation direction does the WAI 7297N support?

A. The WAI 7297N features bi-directional rotation, meaning it is compatible with both clockwise and anti-clockwise pulley drive configurations without any modification.

Q 5. What are the key electrical specifications of this alternator?

A. The WAI 7297N is rated at 24V with a 45A output and is built to the Delco 20SI Series IR/EF design — internal regulator with an externally fitted field terminal. It is supplied brand new.

Q 6. Is this part covered by your 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.

Q 7. Can I ask questions about this product before ordering?

A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.

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