Brake Master Cylinder443611021

Audi and Volkswagen OE number, as listed in aftermarket supplier catalogues. Compare listings for this exact number, then confirm the part number and vehicle fitment before ordering.

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What each marketplace’s search lists for this number, lowest price first, Ovoko last. Listings can include other parts that name it.

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Checked 2026-10-24 11:57 UTC

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Aftermarket part numbers

Supplier articles whose catalogue lists 443611021. Check the supplier’s own restrictions before ordering. A fitment condition under a part number is one its supplier names for at least one of the vehicles the part is listed for, not for all of them: a vehicle’s page shows which apply to it.

What these parts’ suppliers state

Each value belongs to the part number beside it, not to the OE number: parts that list one OE number can differ. Where your vehicle manufacturer gives a value, it takes precedence.

Specification	Value and the part numbers stating it
Fitting position	Rear Axle BREMBO M 85 008

ATE: 03.2123-8512.3Diameter: 23.8 mm Number of connectors: 4 Thread Size: M10x1 Length 1: 18.5 mm Length 2: 166 mm
+2 moreShow fewer
Fitment conditions:Construction Year to: 12.1987, 01.1988 Payload: not for increased payload Suspension: for vehicles without heavy duty suspension Transmission Type: Automatic Transmission Left-/right-hand drive vehicles: for left-hand drive vehicles Vehicle Identification Number (VIN) from: 85-C-901032 Vehicle Identification Number (VIN) to: 85-H-900550 Construction Year from: 11.1984, 08.1985
+5 moreShow fewer
BOSCH: 0986480440Thread: M 10 x 1 External piston diameter: 23,81 mm Number of connections: 4 With reservoir: No With accessories: No Material: Aluminium
+3 moreShow fewer
Fitment conditions:Without compensating reservoir Diameter 23.81 mm Heavy duty version Standard version Chassis number: 44..J..200 099, 85..H..900 550 Installation period: 02/1987, 01/1988 Brake booster, hydraulic
+4 moreShow fewer
BREMBO: M 85 008Diameter: 23,81 mm Threading: 10 x 1 (4) Braking system: ATE Material: Aluminium
+1 moreShow fewer
Fitting position: Rear Axle
DELPHI: LM48512Piston Diameter: 23.8 mm Brake System: Teves Thread Size 1: M10x1
HELLA: 8AM 355 503-541Bore Diameter: 24 mm Connecting thread: M10 x 1 (x4) Material: Aluminium Brake System: ATE
+1 moreShow fewer
Fitment conditions:Construction Year to: 01.1988, 07.1988 Braking System: for vehicles with reinforced brakes Vehicle Identification Number (VIN) from: 85-C-901032 Vehicle Identification Number (VIN) to: 85-H-900550
+1 moreShow fewer
KAWE: B1826Material: Aluminium Thread Size: 10 X 1 (4) Brake System: ATE Piston Diameter: 23.8 mm
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Fitment conditions:Braking System: for vehicles with brake booster, for vehicles without brake booster, for vehicles with reinforced brakes, not for vehicles with reinforced brakes Construction Year to: 12.1987, 01.1988, 07.1988, 07.1989, 08.1991 Transmission Type: Fully Automatic Construction Year from: 05.1983, 11.1984, 01.1985, 08.1985 Braking/Driving Dynamics: for vehicles without ABS Left-/right-hand drive vehicles: for left-hand drive vehicles Vehicle Identification Number (VIN) from: 85C901032 Vehicle Identification Number (VIN) to: 85H900550
+5 moreShow fewer
REMSA: C1023.03Thread Size 1: 4xM10x1 Number of connectors: 4 Manufacturer Restriction: ATE Diameter 1: 23.8 mm
+1 moreShow fewer
ROADHOUSE: 1023.03Thread Size 1: 4xM10x1 Number of connectors: 4 Manufacturer Restriction: ATE Diameter 1: 23.8 mm
+1 moreShow fewer
STELLOX: 05-85005-SXDiameter: 23.8 mm Number of connectors: 4 Manufacturer Restriction: ATE Thread Size: 4xM10x1
+1 moreShow fewer
Fitment conditions:Suspension: for vehicles without heavy duty suspension, for vehicles with sports suspension Construction Year to: 12.1987, 01.1988, 07.1988 Transmission Type: Automatic Transmission Construction Year from: 11.1984, 08.1985, 04.1986, 08.1986 Left-/right-hand drive vehicles: for left-hand drive vehicles Payload: not for increased payload
+3 moreShow fewer
TRW: PMK155Thread Size 1: M10x1 Number of connectors: 4 Manufacturer Restriction: ATE Diameter 1: 23,8 mm
+1 moreShow fewer
Fitment conditions:Suspension: for vehicles without increased axle load, for vehicles with sports suspension Construction Year to: 198307, 198712, 198801, 198807 Construction Year from: 198410, 198604, 198608 Vehicle Identification Number (VIN) from: C901032 Vehicle Identification Number (VIN) to: H900550
+2 moreShow fewer
WOKING: C1023.03Thread Size 1: 4xM10x1 Number of connectors: 4 Manufacturer Restriction: ATE Diameter 1: 23.8 mm
+1 moreShow fewer

Vehicle fitment

Engine code and production dates decide fitment. Model name and year alone don’t.

76 vehicles in 12 model series, inferred

Aftermarket parts that list 443611021 fit these vehicles according to their supplier catalogues. That does not prove 443611021 itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

12 model series · 76 vehicles

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
100 (44) 1981–199018 vehicles	08/1981 – 12/1990	4B, CN, DE, DR, DS, HX, JW, KF, KP, KU, KZ, MC, NC, NF, NP, PH, RS, RT, SH, SL, WB, WC, WH, WU	0588 / 319, 320, 321, 322, 323, 324, 325, 326, 327, 363, 365, 377, 393, 416, 454, 458, 462 0591 / 326, 327, 328, 329, 330, 345, 428, 430, 432
100 (44) Avant17 vehicles	07/1977 – 12/1990	4B, CN, DE, DR, DS, HX, JW, KF, KP, KU, KZ, MC, NC, NF, NP, PH, RS, RT, SH, SL, WB, WC, WH	0588 / 328, 329, 330, 331, 332, 333, 334, 335, 362, 364, 366, 394, 417, 455, 459, 463 0591 / 335, 336, 337, 338, 339, 346, 429, 431, 433
100 (44) Avant quattro7 vehicles	09/1984 – 07/1991	4B, HX, JW, KU, MC, NF, NP, PH, PX, SH	0588 / 345, 346, 356, 374, 376, 390, 437, 449, 451 0591 / 407
100 (44) quattro7 vehicles	08/1984 – 11/1990	4B, HX, JW, KU, MC, NF, NP, PH, PX, SH	0588 / 343, 344, 355, 373, 375, 389, 436, 448, 450 0591 / 406
100 (4A) quattro1 vehicle	12/1990 – 07/1994	AAR	0588 / 506
200 (43)1 vehicle	10/1979 – 07/1983	WC	0591 / 402
200 (44) 1981–19907 vehicles	08/1983 – 12/1990	1B, 2B, JY, KG, KH, KU, MC, NF, WC	0588 / 338, 342, 361, 395, 420, 421, 460, 464 0591 / 341, 342, 436
200 (44) Avant2 vehicles	06/1985 – 02/1988	MC, NF	0588 / 396, 401, 461, 465
200 (44) Avant quattro3 vehicles	08/1983 – 11/1990	1B, JY, KG, MC	0588 / 348, 358, 423, 453 0591 / 412
200 (44) quattro3 vehicles	11/1984 – 11/1990	1B, JY, KG, MC	0588 / 347, 357, 422, 452 0591 / 411
5005 vehicles	11/1983 – 03/1992	MC, PR, WB, WC	Not listed
quattro (85)5 vehicles	07/1980 – 07/1991	GV, KW, MB, RR, WR, WX	0588 / 311, 410, 479 0591 / 403