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Suspension Arm SIDEM 21978
Control Trailing Arm Wheel Suspension SIDEM 21978. Fitting position: Bottom. Fits 2 car models (BMW), 2010–2018. Replaces 1 OE number.

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Specification. From the manufacturer's data.
- Brand
- SIDEM
- Fitting Position
- Bottom
- Fitting Position
- Front
- Fitting Position
- Front Left
- Cone Size [mm]
- 18.1 mm
- Category
- Control Trailing Arm Wheel Suspension
- MPN
- 21978
- SKU
- 0135-21978
- GTIN / EAN
- 5413978234400
- What's included
- 1x Control Trailing Arm Wheel Suspension
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
Equivalent products. They fit in the same place.
5 available · 16 numbers In stock from £50.99 to £93.99.
In stock
In stock
In stock
In stock
All 16 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- DELPHI TC3232
- FEBI BILSTEIN 104816
- FEBI BILSTEIN 280249
- FIRST LINE FCA7338
- LEMFÖRDER 42723 01
- MAPCO 54659
- MEYLE 316 050 0060
- MOOG BM-TC-13421
- OCAP 0395556
- OPTIMAL G5-1004
- QUINTON HAZELL QSJ3623S
- RTS 95-99551-2
- SWAG 20 10 4816
- TRISCAN 8500 115030
- TRW JTC7976
- VAICO V20-1490
Compatible cars. BMW, 2 models.
Matched from the manufacturer's data. Production years 2010–2018.
| Model | Engines | Years |
|---|---|---|
| BMW2 models | ||
| BMW X3 (F25) | sDrive 18 d, sDrive 20 i, sDrive 28 i, xDrive 20 d, xDrive 20 i, xDrive 28 i, xDrive 30 d, xDrive 35 d, xDrive 35 i | 2010–2017 |
| BMW X4 (F26) | M 40 i, xDrive 20 d, xDrive 20 i, xDrive 28 i, xDrive 30 d, xDrive 35 d, xDrive 35 i | 2013–2018 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
SIDEM
Related categories
Customers also bought
Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
Related Guides
Delivery and returns. No small print.
£5.99
Standard delivery
Delivery estimates depend on current stock availability.
£50.00
Free delivery
Orders from £50.00
14 days
Returns
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10
