Nissan Qashqai Alternator: Specs, Fitment & Common Faults

A genuine, specific fault: a short factory wiring loom can fray at the voltage regulator plug — plus a real case where only a genuine Nissan alternator resolved faults a generic part couldn't fix.

Illustration for editorial purposes

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OEM Part Number: 23100-4BB0B (genuine alternator — confirm via VIN) — aftermarket alternators Bosch 0 986 084 690 / Valeo 440679

Accuracy note: Covers the Nissan Qashqai (J11 2014-2021) as listed in the UK aftermarket catalogues. Alternators are sold by output (amps), pulley type and plug, and the same model usually has two or three units depending on engine, start-stop and the electrical load of the trim — a 120 A unit on a car built for 150 A will undercharge, and a rigid pulley on a car designed for a freewheel clutch pulley will shred belts. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; many are remanufactured exchange units that carry a core charge until the old alternator is returned. Genuine numbers are shown only where a listing quotes one. Check the amp rating, pulley and plug stamped on the old unit, or confirm via VIN, before ordering.

Alternators (aftermarket)	Bosch 0 986 084 690 (150 A, freewheel pulley, 7 ribs, 50.3 mm, remanufactured exchange, PL382 LIN plug, core charge £24.86, excludes vacuum-pump versions); Valeo 440679 (120 A, freewheel pulley, 7 ribs, 51 mm, remanufactured exchange with deposit, core charge £50.24); Hella 8EL 015 630-661 (150 A, freewheel pulley, 7 ribs, 50 mm, new); Hella 8EL 015 637-461 (150 A, V-ribbed pulley, 6 ribs, 55 mm, new); Lucas LRA03925 (150 A, freewheel pulley, 7 ribs, 49 mm, remanufactured, plug 0293 COM/LIN2C, core charge £75.36); AS-PL A3563S (120 A, freewheel pulley, 7 ribs, 48.6 mm, new, PL_2801 plug); AS-PL A3212 (200 A, rigid pulley, 7 ribs, 55 mm, new, PL_5100 plug, Valeo type).
Outputs & variants	Four outputs are listed. The 110 A unit (AS-PL A5245, OE A2TG0881) and the 120 A 7-rib units (Valeo 440679, AS-PL A3563S OE TG12C164, AS-PL A0877S OE F000BL07AS) suit the 1.2 DIG-T petrol; the 150 A 7-rib 49-50 mm units are the standard 1.5 dCi and 1.6 dCi diesel fitment; the 150 A 6-rib 55 mm units cover the 1.6 DIG-T petrol; and the 200 A rigid-pulley Valeo unit (OE 439870) is for the 1.6 dCi with stop-start and the heavier electrical load.
Genuine (OE) numbers quoted	FG15T071 (AS-PL A3565S); F000BL0825 (AS-PL A0594S); 439870 (AS-PL A3212); A2TG0881 (AS-PL A5245); TG12C164 (AS-PL A3563S); F000BL07AS (AS-PL A0877S); F000BL50R4 (AS-PL A0875S); F000BL08E0 (AS-PL A0594(SEG)).
Fitment notes	Confirm the output and rib count from the old unit before ordering, since 120 A, 150 A and 200 A alternators are all sold for the same diesel engine depending on specification; Bosch recommends renewing the auxiliary belt at the same time, and the Bosch, Valeo and Lucas exchange units carry a core charge refunded on return.

A Genuine, Specific Root Cause Worth Checking First — Nissan Qashqai Alternator

A documented, specific fault worth checking before assuming the alternator itself has failed: the factory wiring loom connecting to the alternator's voltage regulator plug is relatively short, and over time the wires can rub through and start to fray at this specific connection point, causing exactly the intermittent charging faults, warning lights, and stop-start failures that get blamed on the alternator itself. It's genuinely worth inspecting this specific connector and the wiring immediately around it for visible chafing or fraying before authorising a full alternator replacement.

A genuinely valuable, real finding worth knowing before buying a generic replacement: one documented case saw a generic aftermarket alternator fitted after a diagnosis of alternator failure, only for warning lights and stop-start faults to persist exactly as before. An auto-electrician eventually confirmed the car's systems simply didn't communicate correctly with the generic part, and fitting a genuine Nissan alternator resolved the fault completely. This points to a genuine compatibility sensitivity with this car's charging system electronics — worth knowing before buying the cheapest available alternator, since a generic part that seems electrically equivalent may not communicate correctly with the car's other systems.

It's also worth knowing that a genuine alternator fault doesn't always trigger the dashboard warning light — one documented case saw persistent, confirmed alternator symptoms (flickering dash lights, radio cutting in and out, characteristic whine) over an extended period with the warning light never illuminating even once. Don't rule out the alternator simply because the dashboard hasn't flagged anything.

Nissan Qashqai Alternator: Often Blamed on the Battery Instead

On the Nissan Qashqai, dim lights, slow starts, a battery that won't hold charge — these symptoms point equally to a weak battery or a failing alternator, and that overlap is why so many replacements target the wrong part first, with the real problem only surfacing weeks later.

Nissan Qashqai Alternator: Watch: Replacing It

🎬 Watch: Nissan Qashqai (2014 - 2020) - Replace the alternator

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J11

Nissan Qashqai Alternator reference plate

Before you buy: alternator output rating varies by engine size and trim, particularly on cars with more onboard electronics. Always confirm against your VIN before ordering.

Nissan Qashqai Alternator: What It Does

Electricity generation while the Nissan Qashqai's engine is running is the alternator's job, charging the battery and directly powering the electrical systems. When it's working properly, the battery mostly just handles engine starting and short demand spikes, not day-to-day electrical load.

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Nissan Qashqai Alternator: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Alternator Guide for symptoms to watch for (plus a genuinely useful two-minute test to confirm it's not the battery instead), confirming the right amperage and fitment against your VIN, and which brands are worth trusting.

More Nissan Alternator

The same part, covered across other Nissan models.