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Master Cylinder NK 821525
Master brake cylinder NK 821525. Fits 7 car models (BMW), 1990–2003. Replaces 5 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- NK
- Category
- Master brake cylinder
- Diameter [mm]
- 23.8 mm
- Net weight [kg]
- 0.75 kg
- MPN
- 821525
- SKU
- 0127-821525
- GTIN / EAN
- 5703858675721
- What's included
- 1x Master brake cylinder
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”.
Where this part fits
Original-fit position for OE 34311163711. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
5 available · 26 numbers In stock from £40.99 to £75.99.
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All 26 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.
- A.B.S. 41086
- AKRON-MALÒ 89810
- APEC MCY299
- ATE 03.2023-0987.3
- BENDIX 132999B
- BORG & BECK BBM4708
- BOSCH 0 986 480 931
- BOSCH F 026 A01 743
- Brake ENGINEERING MC1032BE
- BREMBO M 06 007
- DELPHI LM43853
- DELPHI LM49921
- FERODO FHM1341
- FTE H20870.0.1
- JURID 132999J
- LPR 1061
- LUCAS ELECTRICAL PMK525
- MAPCO 1750
- METELLI 202-382
- MGA MC2997
- Schaeffler FAG H20870.0.1
- TEXTAR 33012500
- TOPRAN 500 871
- TRISCAN 813011120
- TRUSTING PF283
- TRW PMK525
Compatible cars. BMW, 7 models.
Matched from the manufacturer's data. Production years 1990–2003.
| Model | Engines | Years |
|---|---|---|
| BMW7 models | ||
| BMW 3 (E36) | 316 i, 318 i, 318 is, 318 tds, 320 i, 323 i, 325 i, 325 td, 325 tds, 328 i | 1990–1998 |
| BMW 3 Compact (E36) | 316 g, 316 i, 318 tds, 318 ti, 323 ti | 1994–2000 |
| BMW 3 Convertible (E36) | 318 i, 320 i, 323 i, 325 i, 328 i | 1993–1999 |
| BMW 3 Coupe (E36) | 316 i, 318 is, 320 i, 323 i, 325 i, 328 i | 1991–1999 |
| BMW 3 Touring (E36) | 316 i, 318 i, 318 tds, 320 i, 323 i, 325 tds, 328 i | 1994–1999 |
| BMW Z3 Coupe (E36) | 2.8 i, 3.0 i | 1997–2003 |
BMW1 more model
| Model | Engines | Years |
|---|---|---|
| BMW Z3 Roadster (E36) | 1.8 i, 1.9 i, 2.0 i, 2.2 i, 2.5 i, 2.8 i, 3.0 i | 1995–2003 |
Always verify compatibility with your vehicle before ordering.
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
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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
Money back if the part does not fit.
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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
