Volvo XC60 Alternator: Specs, Fitment & Common Faults

On the XC60, a specific pulley genuinely can fail on its own — plus a real, money-saving account of a customer nearly paying for a whole new alternator unnecessarily.

Illustration for editorial purposes

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OEM Part Number: 36012358 (genuine alternator — confirm via VIN) — aftermarket alternators Bosch 1 986 A01 054 / Hella 8EL 011 712-231

Accuracy note: Covers the Volvo XC60 (Mk1 2008-2017) 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 1 986 A01 054 (180 A, freewheel pulley, 5 ribs, 54 mm, new, plug 341, excludes vacuum pump, 194 mm length); Bosch 0 986 048 400 (180 A, freewheel pulley, 5 ribs, 54 mm, remanufactured exchange, plug 341, excludes vacuum pump, core charge £99.44); Hella 8EL 011 712-231 (180 A, freewheel pulley, 5 ribs, 54 mm, new, fitting by qualified personnel); Hella 8EL 011 712-101 (150 A, freewheel pulley, 5 ribs, 54 mm, new); Lucas LRA03568 (180 A, freewheel pulley, 5 ribs, 54 mm, remanufactured, plug 0206 COM-D, Bosch pattern only, core charge £75.36); AS-PL A0439 (180 A, freewheel pulley, 5 ribs, 54 mm, new, plug PL_2305); AS-PL A0287 (150 A, freewheel pulley, 5 ribs, 54 mm, new, plug PL_2305); Ridex 4G0451 (180 A, freewheel pulley, 5 ribs, 54 mm, new, plug COM, excludes vacuum pump).
Outputs & variants	Outputs of 150 A, 180 A and 215 A are listed. The 150 A and 180 A units almost all share a five-rib 54 mm freewheel pulley (Bosch, Hella, Lucas, AS-PL, Ridex, Rotovis, BV PSH, Mapco); the AS-PL A3224 is a 150 A seven-rib 49 mm unit for a different belt layout; the 215 A units (AS-PL A0774S, BV PSH 815.543.215.280) use a six-rib 61.5-62 mm pulley with the AS-PL on a rigid pulley.
Genuine (OE) numbers quoted	AS-PL A3224 for OE FG15T030; AS-PL A0287 for OE 0121615005; AS-PL A0774S for OE 0125812009; AS-PL A0439 for OE 0125811020.
Fitment notes	the 180 A five-rib unit is the common fit for the five-cylinder diesels and six-cylinder petrols, with the 150 A five-rib unit for lower-spec cars, and Lucas LRA03568 and ERA 209032A are restricted to cars originally fitted with a Bosch alternator. Bosch, Ridex and Stark units are sold without the vacuum pump. The Bosch exchange has a £99.44 core charge and Lucas £75.36, refunded on return of the old alternator.

Volvo XC60 Alternator: Often Blamed on the Battery Instead

On the Volvo XC60, a weak battery and a failing alternator produce almost identical symptoms at first — dim lights, slow starts, a car that won't hold charge — which is exactly why so many people replace the battery, only to be back at the garage a few weeks later with the real culprit untouched.

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.

Volvo XC60 Alternator: What It Does

The Volvo XC60's alternator generates electricity while the engine runs, charging the battery and powering the car's electrical systems directly. A healthy alternator means the battery is mostly there for starting the engine and covering brief demand spikes — not for actually running the car's electronics on its own.

Volvo XC60 Alternator: Watch: Replacing It

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A Genuinely Useful, Real Diagnostic Technique Worth Trying — Volvo XC60 Alternator

If you're chasing an alternator noise, this is genuinely worth trying before assuming the whole unit has failed: some Volvo alternators use a one-way clutch or decoupler pulley rather than a solid pulley, and this specific component can fail and cause noise on its own. With the belt removed, grab the alternator pulley and sharply move it in both directions — you should feel genuine resistance in one direction and free slipping in the other.

A genuinely real, money-saving account worth knowing: one documented case saw a customer about to pay for a complete new alternator, only for the actual fault to be traced specifically to this free wheel pulley — a considerably cheaper part on its own. Worth asking whether this pulley has been checked before committing to a full alternator replacement.

It's also genuinely worth knowing that when replacing an alternator yourself, it's worth double-checking the exact part number against your VIN, since not every alternator that physically bolts on is necessarily the correct electronic specification, worth confirming before fitting a replacement that could otherwise trigger warning lights despite good connections.

Volvo XC60 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 Volvo Alternator

The same part, covered across other Volvo models.