11 28 7 807 021Belt tensioner
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Inspected and graded before it's listed · 30-day returns
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Fits E46 318d–330d & more 2001–05 — M47N, M57N engines
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Callout 04 on BMW’s drawing “Belt Drive Water Pump/Alternator”. Open the drawing →
Also shown on Belt Drive Water Pump/Alternator.
Sold in these kits
11 28 2 339 099Qty 1Set, belt drive, water pump, alternator11 28 2 339 100Qty 1Repair kit, belt drive, complete11 28 2 339 101Qty 1Repair kit, belt drive, complete11 28 2 339 149Qty 1Repair kit, belt drive, complete11 28 2 357 310Qty 1Set, belt drive, water pump, alternator11 28 2 357 311Qty 1This is a genuine BMW belt tensioner, part number 11 28 7 807 021. You will find it under Engine (Other Engine parts). It supersedes the older number 11 28 7 786 881, so a part carrying that number is the same part.
Fits E46 318d, 318td, 320d, 320td and 330d (2001–2005) with the M47N or M57N engines.
BMW draws it on 2 drawings, among them two Belt Drive Water Pump/Alternator drawings. It weighs about 390 g (0.9 lb). It also comes in BMW kits Set, belt drive, water pump, alternator (11 28 2 339 099) and Set, belt drive, water pump, alternator (11 28 2 339 100) and 4 more.
Out of stock. Request it and we will notify you when it is in stock.
Details
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.
BMW has renumbered this part. All of these numbers are the same part.
11 28 7 807 021currentOut of stock11 28 7 786 881replaced by 11 28 7 807 021
The other parts on BMW’s drawing “Belt Drive Water Pump/Alternator”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| 01 | Ribbed v-belt2 numbers at this callout | Out of stock | Request |
| 02 | Belt tensioner | Out of stock | Request |
| 03 | Torx screw with collar | Out of stock | Request |
| 04 | Belt tensioner · this part | Out of stock | |
| 05 | sealing | Out of stock | Request |
| 06 | Hex Bolt | Out of stock | Request |
| 07 | Deflection pulley | Out of stock | Request |
| 08 | Fillister head screw | Out of stock | Request |
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