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Pieseautodetop
3411
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148 lei
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Supapa evacuare VW POLO (6N1), VW POLO limuzina (6KV2), SEAT INCA (6K9) - FEBI BILSTEIN 27366
101 lei
Pieseautodetop
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142 lei
Pieseautodetop
3411
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Supapa evacuare VW POLO (6N1), VW POLO limuzina (6KV2), SEAT INCA (6K9) - TRW Engine Component 39523
52 lei
Pieseautodetop
3411
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Supapa evacuare VW POLO (6N1), VW POLO limuzina (6KV2), SEAT INCA (6K9) - FRECCIA R6014/BM
33 lei
Pieseautodetop
3411
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Supapa evacuare VW POLO (6N1), VW POLO limuzina (6KV2), SEAT INCA (6K9) - INTERVALVES 3189.006
22 lei
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3411
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129 lei
Pieseautodetop
3411
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Supapa evacuare VW POLO (6N1), VW POLO limuzina (6KV2), SEAT INCA (6K9) - TOPRAN 108 021
129 lei
Pieseautodetop
3411
piese vw caddy 2004 2009
din categoriaSupapa evacuare
Volkswagen Tiguan 5N
Neamt.Supapele sunt elementele care inchid si deschid orificiile de trecere a amestecului combustibil in cilindrii motorului si in afara acestora: supapele de admisie permit intrarea amestecului combustibil din galeria de amisie, iar cele de evacuare permit iesirea gazelor arse catre galeria de evacuare. Supapele sunt formate dintr-o tija cilindrica si un taler care opreste efectiv trecerea gazelor prin asezarea etansa pe scaunul supapei. Supapele sunt intens solicitate termic, mecanic si la uzura. Deoarece supapele de evacuare sunt instalate in camera de ardere si lucreaza cu gaze fierbinti, ele pot ajunge sa lucreze la temperaturi de 500-900 de grade Celsius si trebuie fabricate din materiale speciale. In vederea imbunatatirii performantelor motoarelor se opteaza deseori pentru marirea numarului de supape aferente fiecarui cilindru, cea mai uzuala varianta actuala fiind cea cu 4 supape pe piston. Inlocuirea supapelor unui motor presupune cunostinte solide de mecanica si accesul la o serie de scule si echipamente speciale.