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Technical Specification
PRODUCT NUMBER 12384N13381N-7G13625N13922N13998N20008N20803N21346N21480N21906N23344N23777N23914N11134N11234N
Voltage 121212121212121212121212121212
Output Current 1509012014018018090140200120150140125
Design IR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IFIR/IF
Manufacturer BoschBoschBoschBoschBoschBoschBoschBoschBoschBoschBoschBoschBoschBoschBosch
Pulley SC6S7S6SC6SC6SC6S6SC6S6S7SC6SC6S6
Rotation CWCWCWCCWCWCWCWCWCWCWCWCW

Q 1. Which Bosch original-equipment numbers does the WAI 12493N replace?

A. The WAI 12493N replaces Bosch OE references 0 124 655 013, 0124655013, and Bosch Exchange 0986048587, as well as the Bosch USA reference AL5051X — 4 Bosch references in total. To confirm suitability against your existing unit, search our cross-referenced catalogue by OEM number or ask Simon.

Q 2. Which John Deere machines does this alternator fit?

A. The WAI 12493N covers 21 John Deere applications, including the 444K, 524K, 544K, 624K, 644K, 670D, 670G, and 672D (all variants). It also cross-references John Deere original parts AT300167, AT387574, and SE501838. Use the selection widget to match your machine model, or ask Simon to confirm fitment — every application listed is backed by our Fit Guarantee.

Q 3. Does this replace the John Deere OE part numbers AT300167 or AT387574?

A. Yes. The WAI 12493N cross-references John Deere OE numbers AT300167, AT387574, and SE501838. These are the original John Deere alternator references for the supported applications. Verify your machine is within the 21-application fitment range using the selection widget or by searching our catalogue.

Q 4. What are the key electrical and mechanical specifications of this alternator?

A. The WAI 12493N is rated at 24V and 100A output, uses an IR/IF (internal regulator, internal fan) design, rotates clockwise, and is fitted with a groove pulley. It is supplied brand new — not remanufactured or exchange.

Q 5. Is this a brand-new part or a remanufactured exchange unit?

A. It is brand new. The WAI 12493N is not a remanufactured or exchange unit — no core return is implied by the condition stated in the product specification.

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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