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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number12 31 7 787 251

Pulley

D=60 mm · one of 3 sizes

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E46 318d, 318td, 320d, 320td 2001–04 — M47N engine

Select your vehicle to check fitment
See all 12 fitting cars
CompactM47NAllAT91

Other sizes · 3 in all

Pulley – BMW diagram

Callout 01 on BMW’s drawing “ALTERNATOR PARTS 120A/150A Valeo”. Open the drawing →

This is a genuine BMW pulley, part number 12 31 7 787 251. You will find it under Electrical (Alternator with motor and mounting).

Fits E46 318d, 318td, 320d and 320td (2001–2004), sedan, touring and compact, with the M47N engine.

BMW draws it on the ALTERNATOR PARTS 120A/150A Valeo drawing. It weighs about 350 g (0.8 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM47N
Weight0.35 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

The other parts on BMW’s drawing “ALTERNATOR PARTS 120A/150A Valeo”. Open the drawing →

#PartIn stockAction
--Compact alternator17 numbers at this calloutOut of stockRequest
01Pulley · this part3 numbers at this calloutOut of stock
02Voltage regulator4 numbers at this calloutOut of stockRequest
03Cover cap, alternator5 numbers at this calloutOut of stockRequest
04Hex Bolt2 numbers at this calloutOut of stockRequest
06WasherOut of stockRequest
07Hex Bolt2 numbers at this calloutOut of stockRequest
CompactM47NAllAT91

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InElectricalAlternator with motor and mounting