Thermostat, coolant8AP 115 171 A

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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Aftermarket part numbers

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STELLOX: 23-40013-SXDiameter: 52 mm Fitting Depth: 21 mm Opening Temperature: 82 °C

Vehicle fitment

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

113 vehicles in 24 model series, inferred

Aftermarket parts that list 8AP 115 171 A fit these vehicles according to their supplier catalogues. That does not prove 8AP 115 171 A itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

24 model series · 113 vehicles

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
100 (44) 1981–19904 vehicles3 of them: some versions only	08/1982 – 11/1990	4B, DS, HX, JW, KP, KU, NC, NP, PH, RT	0588 / 323, 325, 327, 416, 454 0591 / 345, 428, 432
100 (44) quattro3 vehicles	09/1984 – 11/1990	4B, JW, NP, PH, PX, SH	0588 / 344, 355, 373
100 (4A) 1988–19985 vehicles	12/1990 – 07/1994	AAD, AAE, AAH, ABC, ABK, ACE	0588 / 504, 507, 513, 550, 552
100 (4A) Avant5 vehicles	05/1991 – 07/1994	AAD, AAE, AAH, ABC, ABK, ACE	0588 / 524, 527, 531, 553
100 (4A) Avant quattro4 vehicles	12/1990 – 07/1994	AAD, AAH, ABC, ABH	0588 / 528, 532, 555, 570
100 (4A) quattro4 vehicles	12/1990 – 07/1994	AAD, AAH, ABC, ABH	0588 / 508, 514, 554, 576
50 (86)1 vehicle	08/1977 – 07/1978	HH	0600 / 500
601 vehicle	02/1968 – 09/1972	Not listed	0591 / 322, 366
75 (61) 1967–19711 vehicle	08/1967 – 07/1971	ZG	0591 / 357, 358
75 (61) Avant1 vehicle	08/1967 – 07/1971	ZG	0591 / 356
80 (81) 1978–198713 vehicles	08/1978 – 03/1987	CR, CY, DS, DT, DZ, EP, FY, FZ, HP, JK, JS, JU, JV, MU, PV, SA, SF, WV, WY, YN, YP, YZ	0588 / 300, 301, 302, 303, 304, 305, 359, 367, 368 0591 / 314, 315, 316, 317, 320, 321, 324, 332, 333
80 (81) quattro4 vehicles	08/1982 – 08/1986	DZ, JN, JS, JV, MU, NE, PV	0588 / 312, 313, 314, 353 0591 / 347, 350
80 (82)8 vehicles	05/1972 – 08/1978	XX, YJ, YN, YP, YS, ZA, ZB, ZC, ZF	0591 / 359, 360, 361, 378, 380, 381, 382, 383, 387, 388, 389, 390, 391
80 (83)2 vehicles	05/1972 – 08/1978	YN, YP	0591 / 381, 382, 389, 390
80 (84)2 vehicles	05/1972 – 08/1978	YN, YP	0591 / 381, 382, 389, 390
80 (85) quattro1 vehicle	08/1982 – 07/1984	JS	0588 / 312 0591 / 347
80 (89) 1986–199111 vehicles	08/1986 – 08/1991	3A, DZ, JK, JN, JV, NE, PM, PP, RA, RN, RU, SB, SD, SE, SF	0588 / 379, 380, 381, 382, 384, 385, 386, 387, 388, 415, 426, 511
80 (89) quattro5 vehicles	09/1986 – 08/1991	3A, DZ, JN, NE, PM, SD, SF	0588 / 402, 403, 404, 405, 424
80 (8A) 1988–199211 vehicles	04/1988 – 07/1992	1Y, 3A, 6A, ABB, DZ, JN, JV, NE, PM, PP, RA, RN, RU, SB, SF	0588 / 381, 382, 384, 385, 386, 387, 415, 426, 471, 492, 511
80 (8A) quattro6 vehicles	08/1988 – 08/1991	3A, 6A, AAD, DZ, JN, NE, PM, SF	0588 / 402, 403, 404, 424, 498, 502
80 (8C) 1991–19958 vehicles	09/1991 – 07/1995	1Z, 6A, AAZ, ABK, ABM, ABT, ACE, ADA	0588 / 519, 534, 535, 536, 540, 542, 560, 579
80 (8C) Avant8 vehicles	09/1991 – 07/1995	1Z, AAH, AAZ, ABC, ABK, ABT, ACE, ADA	0588 / 534, 543, 544, 545, 548, 564, 572, 580
80 (8C) Avant quattro3 vehicles	09/1991 – 07/1995	AAH, ABC, ACE	0588 / 549, 565, 573
80 (8C) quattro2 vehicles	09/1991 – 07/1995	ABK, ACE	0588 / 537, 561