These Bilstein B4 shock absorbers are designed for the front axle, featuring a gas pressure twin-tube system. They are compatible with vehicles with standard suspension or those equipped with bad road versions. The shock absorbers have a top pin mounting type and are part of the B4 OE Replacement product line. They are suitable for a range of VW, Audi, Skoda, and Seat models including VW Polo (9N_), Fox Schrägheck (5Z1, 5Z3, 5Z4), Polo Limousine (9A4, 9A2, 9N2, 9A6), Polo Limousine (9N4), Polo Limousine (602, 604, 612, 614), Spacefox / Space Cross (5Z6, 5Z7, 5Z9); AUDI A2 (8Z0); SKODA Fabia II Schrägheck (542), Fabia II Combi (545), Fabia I Combi (6Y5), FABIA (6Y2), ROOMSTER (5J), FABIA Stufenheck (6Y3), ROOMSTER Praktik (5J), Fabia I Praktik (6Y5); SEAT Ibiza III Schrägheck (6L), Cordoba Limousine (6L2). Cross-references include VNEA581, 6Q0413031BR, 6Q0513025AJ, 6Q0413031AH, 6Q0413031AM, 6Q0413031AN, 6Q0413031BH, 6Q0413031BK, 6Q0413031BP, 6Q0513025AR, 5U0413031P, 6Q0513025AJ, 6Q0513025P, 5Z0413031AB, 5Z0413031C, 5Z0413031L, 6Q0413031BM, 6Q0413031BN, 6Q0413031CD, 6Q0413031CE, 8Z0413031AB, 8Z0413031AD, 8Z0413031S. This product is a suspension strut type shock absorber.