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Technical Specification
PRODUCT NUMBER 12626N13723NA5171A5226A5320A5332A5397SA5412SA5432SA5444S14687N20224N12132N12310N12551N
Voltage 121212121212121212241224122424
Output Current 908080150451851501852209035100354030
Design IR/IFIR/IFIR/EFIR/IFER/EFMitsubishi IR/EFIR/EF
Manufacturer MitsubishiMitsubishiMitsubishiMitsubishiMitsubishiMitsubishi
Pulley V2S6APAFPAPAFP-INAAFPAFPAFPAPGroove PulleyGroove PulleyGroove Pulley
Rotation CWCWCWCWCWCWCW

Q 1. Does this alternator replace MITSUBISHI part number A005TB1391?

A. Yes. The WAI 11177N is specifically cross-referenced to replace MITSUBISHI OE number A005TB1391. That is the only OE reference published for this part. To verify fit against your original unit, search our catalogue by that OEM number or use the selection widget — every match is backed by our Fit Guarantee.

Q 2. What Honda models does this alternator fit?

A. Fitment data covers 2 Honda applications, including the Honda Fit (2007–2008). Use the selection widget to match your exact make, model, and engine variant, or search by OEM number. If your vehicle is not listed, ask Simon — every fitment shown is backed by our Fit Guarantee.

Q 3. What are the key electrical specifications of the WAI 11177N?

A. The WAI 11177N is a 12V, 80A alternator with clockwise (CW) rotation and an IR/IF (internal regulator, internal fan) design. It uses an S5 pulley and carries Lester reference number 11177. It is supplied as a brand-new unit.

Q 4. What does IR/IF mean on this alternator, and does it affect installation?

A. IR/IF stands for Internal Regulator, Internal Fan. Both the voltage regulator and the cooling fan are housed within the alternator body, so no external regulator is required. This mirrors the original Mitsubishi design and means the WAI 11177N is a direct replacement with no additional components needed.

Q 5. Is this a remanufactured unit, or is it brand new?

A. The WAI 11177N is supplied brand new. There is no core exchange requirement and no reconditioned or remanufactured components.

Q 6. What pulley type does this alternator use?

A. The WAI 11177N is fitted with an S5 pulley, matching the belt interface of the original Mitsubishi-specification alternator it replaces.

Q 7. How do I confirm this part fits my vehicle or machine?

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.

Q 8. 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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