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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. Does this alternator replace Bosch part number 0 123 310 018?

A. Yes. The WAI 13380N is a brand-new replacement for Bosch OE reference 0 123 310 018. It is built to the same IR/IF specification and 70A output as the original Bosch unit. Use the selection widget or search our cross-referenced catalogue by that OE number to confirm fit for your vehicle, or ask Simon. Every OE cross-reference shown is backed by our Fit Guarantee.

Q 2. Which vehicles does the WAI 13380N fit?

A. This alternator fits Seat and Volkswagen models — seven applications in total. Named fitments include the Seat Arosa (6H) with 1.0 and 1.4 engines (1997–2004), the Volkswagen Corrado VR6 (1992–1995), Golf III 2.8 VR6 (1992–1997), Golf III Variant VR6 Syncro (1994–1999), Passat Variant 2.8 VR6 (1993–1995), and Vento 2.8 VR6 (1992–1998). Always match your engine code before ordering, and use the selection widget to verify fit for your specific variant. Our Fit Guarantee covers every listed application.

Q 3. What engine codes does it cover on the Seat Arosa?

A. On the Seat Arosa (6H), the 13380N covers engine codes AER, ALD, ALL, ANV and AUC in the 1.0 37kW, and AEX, AKK, AKV, ANW, APQ and AUD in the 1.4 44kW — both for the 1997 to 2004 model years. If your code is not listed, use the selection widget or ask Simon to confirm suitability.

Q 4. What does IR/IF mean on this alternator?

A. IR/IF stands for internally regulated and internally fan-cooled. The voltage regulator is built into the alternator body rather than mounted separately on the vehicle, and cooling is handled by an internal fan. This matches the design of the original Bosch unit these models left the factory with, so no external regulator is required.

Q 5. What pulley type and output does this alternator have?

A. The WAI 13380N is fitted with an S7 pulley and delivers a 70A output at 12V with clockwise rotation. These figures match the original Bosch charging circuit specification for the listed Seat and Volkswagen applications. The Lester reference for this unit is 13380.

Q 6. 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.

Q 7. 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.

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