{"id":2257,"date":"2026-06-11T02:50:02","date_gmt":"2026-06-11T02:50:02","guid":{"rendered":"https:\/\/hongtengdaparts.com\/?post_type=product&#038;p=2257"},"modified":"2026-06-11T02:50:02","modified_gmt":"2026-06-11T02:50:02","slug":"sensor-de-pressao-diferencial-genuino-hitachi-4339559","status":"publish","type":"product","link":"https:\/\/hongtengdaparts.com\/pt\/product\/hitachi-genuine-differential-pressure-sensor-4339559\/","title":{"rendered":"Sensor de Press\u00e3o Diferencial Genu\u00edno Hitachi 4339559 \u2013 Para Escavadeiras EX200-3E \/ EX200-2 \/ EX200-3"},"content":{"rendered":"<p><strong>V\u00eddeo do produto<\/strong><\/p>\n<div style=\"width: 800px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-2257-1\" width=\"800\" height=\"450\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/hongtengdaparts.com\/wp-content\/uploads\/2026\/06\/1d751881e45763edba17be876238c4c2_raw.mp4?_=1\" \/><a href=\"https:\/\/hongtengdaparts.com\/wp-content\/uploads\/2026\/06\/1d751881e45763edba17be876238c4c2_raw.mp4\">https:\/\/hongtengdaparts.com\/wp-content\/uploads\/2026\/06\/1d751881e45763edba17be876238c4c2_raw.mp4<\/a><\/video><\/div>\n<h3><span class=\"\">1. Por Que o Original \u00e9 Importante em um Sensor $30 \u2013 O Custo Real de um Falso<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Um sensor de press\u00e3o diferencial mede o entupimento do filtro de retorno hidr\u00e1ulico ou do filtro de ar do motor. Parece simples. Mas um sensor n\u00e3o original pode custar muito mais do que seu pre\u00e7o de compra.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Modo de Falha<\/span><\/th>\n<th><span class=\"\">C\u00f3pia Barata<\/span><\/th>\n<th><span class=\"\">Hitachi Original (4339559)<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">Alarme falso<\/span><\/strong><\/td>\n<td><span class=\"\">Acende a luz de advert\u00eancia quando o filtro est\u00e1 limpo<\/span><\/td>\n<td><span class=\"\">Leitura precisa \u2013 sem paradas desnecess\u00e1rias<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Sem alarme<\/span><\/strong><\/td>\n<td><span class=\"\">N\u00e3o alerta \u2013 o filtro entra em bypass, detritos circulam<\/span><\/td>\n<td><span class=\"\">Alarme confi\u00e1vel \u2013 voc\u00ea troca o filtro no prazo<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Deriva do sinal ap\u00f3s 500 horas<\/span><\/strong><\/td>\n<td><span class=\"\">Comum (deriva t\u00e9rmica)<\/span><\/td>\n<td><span class=\"\">Testado por mais de 5.000 horas<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Ajuste do conector<\/span><\/strong><\/td>\n<td><span class=\"\">Pinos soltos \u2013 sinal intermitente<\/span><\/td>\n<td><span class=\"\">Ajuste firme \u2013 contatos banhados a ouro<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Consequ\u00eancia da falha<\/span><\/strong><\/td>\n<td><span class=\"\">Parada n\u00e3o planejada ou dano hidr\u00e1ulico grave<\/span><\/td>\n<td><span class=\"\">Manuten\u00e7\u00e3o previs\u00edvel<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">A conta:<\/span><\/strong><span class=\"\">\u00a0Um filtro hidr\u00e1ulico entupido em bypass pode enviar detritos atrav\u00e9s da bomba principal. Substitui\u00e7\u00e3o da bomba: $5.000\u2013$8.000. Sensor original: ~$30. Economia falsa \u00e9 cara.<\/span><\/p>\n<h3><span class=\"\">2. Tr\u00eas Maneiras de Identificar um Falso 4339559 \u2013 Guia de Inspe\u00e7\u00e3o Visual<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Temos visto sensores Hitachi falsificados no mercado. Veja como distinguir o real do falso antes de instalar.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Ponto de Inspe\u00e7\u00e3o<\/span><\/th>\n<th><span class=\"\">Hitachi Original 4339559<\/span><\/th>\n<th><span class=\"\">Falso Comum<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">Rebarba de moldagem<\/span><\/strong><\/td>\n<td><span class=\"\">Limpa, uniforme, sem excesso<\/span><\/td>\n<td><span class=\"\">\u00c1spera, irregular ou com excesso de pl\u00e1stico<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Grava\u00e7\u00e3o do n\u00famero da pe\u00e7a<\/span><\/strong><\/td>\n<td><span class=\"\">Gravado a laser, n\u00edtido, permanente<\/span><\/td>\n<td><span class=\"\">Impresso ou estampado superficial \u2013 sai com atrito<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Cor do pino do conector<\/span><\/strong><\/td>\n<td><span class=\"\">Banhado a ouro (amarelado)<\/span><\/td>\n<td><span class=\"\">Banhado a estanho (prateado) \u2013 corr\u00f3i mais r\u00e1pido<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Material do anel de veda\u00e7\u00e3o (O-ring)<\/span><\/strong><\/td>\n<td><span class=\"\">Fluorocarbono (amarronzado), resistente a combust\u00edvel<\/span><\/td>\n<td><span class=\"\">Nitr\u00edlico (preto) \u2013 incha no \u00f3leo<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Peso<\/span><\/strong><\/td>\n<td><span class=\"\">28g \u00b11g<\/span><\/td>\n<td><span class=\"\">Geralmente mais leve (&lt;25g) ou mais pesado (com adi\u00e7\u00e3o de metal)<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">Etiqueta da caixa<\/span><\/strong><\/td>\n<td><span class=\"\">Logotipo Hitachi de constru\u00e7\u00e3o, c\u00f3digo de lote<\/span><\/td>\n<td><span class=\"\">Etiqueta gen\u00e9rica ou ausente<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Em caso de d\u00favida, envie-nos uma foto do sensor e da caixa \u2013 autenticaremos em at\u00e9 2 horas.<\/span><\/strong><\/p>\n<h3><span class=\"\">3. O Que Este Sensor Realmente Faz \u2013 E O Que Acontece Quando Ele Mente<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Nas EX200-3E, EX200-2, EX200-3, o sensor de press\u00e3o diferencial (4339559) monitora o filtro de retorno hidr\u00e1ulico. A ECU compara a press\u00e3o antes e depois do filtro.<\/span><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Leitura do Sensor<\/span><\/th>\n<th><span class=\"\">Condi\u00e7\u00e3o Real<\/span><\/th>\n<th><span class=\"\">A\u00e7\u00e3o da ECU<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">Normal<\/span><\/td>\n<td><span class=\"\">Filtro limpo<\/span><\/td>\n<td><span class=\"\">Nenhuma<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Diferencial alto<\/span><\/td>\n<td><span class=\"\">Filtro entupindo<\/span><\/td>\n<td><span class=\"\">Luz de advert\u00eancia + redu\u00e7\u00e3o autom\u00e1tica opcional da rota\u00e7\u00e3o (se equipado)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Sem sinal<\/span><\/td>\n<td><span class=\"\">Sensor falhou<\/span><\/td>\n<td><span class=\"\">Luz do motor acesa + modo de seguran\u00e7a (fluxo reduzido da bomba)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Se um sensor falso l\u00ea \u201cnormal\u201d quando o filtro est\u00e1 entupido:<\/span><\/strong><span class=\"\">\u00a0A v\u00e1lvula de desvio do filtro abre. \u00d3leo n\u00e3o filtrado circula. O desgaste da bomba e das v\u00e1lvulas acelera. Voc\u00ea pode n\u00e3o notar at\u00e9 que uma bomba falhe \u2013 meses depois.<\/span><\/p>\n<h3><span class=\"\">4. Caso Real \u2013 Uma Oficina Que Aprendeu da Maneira Dif\u00edcil<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Uma oficina em Manila comprou seis sensores \u201ccompat\u00edveis\u201d baratos para reconstru\u00e7\u00f5es de EX200\u20113. Em tr\u00eas meses, duas m\u00e1quinas retornaram com avisos de desvio do filtro \u2013 mas os sensores mostravam normal. O filtro real estava entupido; os sensores estavam mortos.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Eles substitu\u00edram um pelo nosso genu\u00edno 4339559 e testaram: o aviso acendeu exatamente quando o filtro atingiu a especifica\u00e7\u00e3o. Os outros cinco sensores baratos? Todos falharam em ler corretamente. Eles os descartaram e encomendaram genu\u00ednos.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cita\u00e7\u00e3o do propriet\u00e1rio da oficina:<\/span><\/strong><span class=\"\">\u00a0<\/span><em><span class=\"\">\u201cO sensor barato me economizou $20 cada. Custou-me duas viagens de retorno ($400 cada) e clientes irritados. Nunca mais.\u201d<\/span><\/em><\/p>\n<h3><span class=\"\">5. Lista de Verifica\u00e7\u00e3o de Instala\u00e7\u00e3o \u2013 Evite Erros Comuns<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Passo<\/span><\/th>\n<th><span class=\"\">O que fazer<\/span><\/th>\n<th><span class=\"\">Por qu\u00ea<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">1<\/span><\/td>\n<td><span class=\"\">Limpe o orif\u00edcio de montagem<\/span><\/td>\n<td><span class=\"\">Sujeira entrando na ponta do sensor bloqueia o orif\u00edcio de press\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">2<\/span><\/td>\n<td><span class=\"\">Substitua a arruela de veda\u00e7\u00e3o de cobre (se equipado)<\/span><\/td>\n<td><span class=\"\">Arruela velha vaza \u2013 sensor l\u00ea baixo<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">3<\/span><\/td>\n<td><span class=\"\">Aperte com torque de 18\u201322 Nm (n\u00e3o mais)<\/span><\/td>\n<td><span class=\"\">Apertar demais racha a carca\u00e7a pl\u00e1stica<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">4<\/span><\/td>\n<td><span class=\"\">Aplique graxa diel\u00e9trica nos pinos do conector<\/span><\/td>\n<td><span class=\"\">Previne entrada de umidade e corros\u00e3o dos pinos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">5<\/span><\/td>\n<td><span class=\"\">Ap\u00f3s a instala\u00e7\u00e3o, teste com uma restri\u00e7\u00e3o conhecida<\/span><\/td>\n<td><span class=\"\">Use uma v\u00e1lvula esfera para simular entupimento \u2013 verifique se a luz de aviso acende<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Inclu\u00edmos um guia ilustrado de uma p\u00e1gina com cada sensor.<\/span><\/strong><\/p>\n<h3><span class=\"\">6. Conte\u00fado do Produto \u2013 Simples e Completo<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Item<\/span><\/th>\n<th><span class=\"\">Quantidade<\/span><\/th>\n<th><span class=\"\">Observa\u00e7\u00e3o<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">Sensor de press\u00e3o diferencial 4339559<\/span><\/td>\n<td><span class=\"\">1<\/span><\/td>\n<td><span class=\"\">Hitachi genu\u00edno, fabricado no Jap\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Arruela de veda\u00e7\u00e3o de cobre<\/span><\/td>\n<td><span class=\"\">1<\/span><\/td>\n<td><span class=\"\">Pr\u00e9-instalada ou separada (depende do lote)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Tampa protetora<\/span><\/td>\n<td><span class=\"\">1<\/span><\/td>\n<td><span class=\"\">Remov\u00edvel antes da instala\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Caixa de papel<\/span><\/td>\n<td><span class=\"\">1<\/span><\/td>\n<td><span class=\"\">Embalagem estilo Hitachi (c\u00f3digo do lote impresso)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">N\u00e3o inclu\u00eddo:<\/span><\/strong><span class=\"\">\u00a0Chicote el\u00e9trico, alojamento do filtro ou ferramenta de diagn\u00f3stico.<\/span><\/p>\n<h3><span class=\"\">7. Pedido e Entrega<\/span><\/h3>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Item<\/span><\/th>\n<th><span class=\"\">Detalhe<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">Compatibilidade<\/span><\/td>\n<td><span class=\"\">Hitachi EX200-2, EX200-3, EX200-3E (tamb\u00e9m EX220, EX270 com mesmo alojamento do filtro \u2013 verifique)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">MOQ<\/span><\/td>\n<td><span class=\"\">1 pe\u00e7a<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Prazo de entrega<\/span><\/td>\n<td><span class=\"\">6\u20138 dias \u00fateis<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Embalagem<\/span><\/td>\n<td><span class=\"\">Caixa de papel dentro de caixa de papel\u00e3o refor\u00e7ada<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Pagamento<\/span><\/td>\n<td><span class=\"\">T\/T, XTransfer, PayPal, Western Union<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Capacidade de fornecimento<\/span><\/td>\n<td><span class=\"\">300 pe\u00e7as\/m\u00eas (estoque genu\u00edno limitado)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span class=\"\">Garantia<\/span><\/td>\n<td><span class=\"\">6 meses (apenas defeitos de fabrica\u00e7\u00e3o \u2013 sem garantia contra filtros entupidos ou danos por detritos)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"\">8. Antes de Pedir \u2013 Verifica\u00e7\u00e3o<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Como sensores falsificados s\u00e3o comuns, exigimos um dos seguintes para confirmar que voc\u00ea recebe o genu\u00edno:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Op\u00e7\u00e3o A:<\/span><\/strong><span class=\"\">\u00a0Pe\u00e7a diretamente conosco \u2013 fornecemos a partir de fonte japonesa autorizada.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Op\u00e7\u00e3o B:<\/span><\/strong><span class=\"\">\u00a0Envie uma foto do seu sensor antigo (vista superior e lateral) \u2013 comparamos visualmente e confirmamos.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">N\u00e3o vendemos vers\u00f5es \u201ccompat\u00edveis\u201d ou \u201caftermarket\u201d deste sensor. Apenas Hitachi genu\u00edno 4339559.<\/span><\/strong><\/p>\n<hr \/>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">N\u00e3o arrisque seu sistema hidr\u00e1ulico para economizar alguns d\u00f3lares. Instale o genu\u00edno \u2013 e saiba que seus avisos s\u00e3o reais.<\/span><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<table>\n<tbody>\n<tr>\n<td><b>Modelo aplic\u00e1vel<\/b><\/td>\n<td>EX200-3E EX200-2 EX200-3<\/td>\n<\/tr>\n<tr>\n<td><b>Nome<\/b><\/td>\n<td>Sensor de Press\u00e3o Diferencial Original Hitachi para Escavadeiras<\/td>\n<\/tr>\n<tr>\n<td><b>N\u00famero da Pe\u00e7a<\/b><\/td>\n<td>4339559<\/td>\n<\/tr>\n<tr>\n<td><b>Origem<\/b><\/td>\n<td>Jap\u00e3o<\/td>\n<\/tr>\n<tr>\n<td><b>Dimens\u00f5es da Embalagem \/ Embalagem<\/b><\/td>\n<td>Caixa de Papel\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Nota: As informa\u00e7\u00f5es de aplica\u00e7\u00e3o fornecidas s\u00e3o apenas para refer\u00eancia. Confirme o n\u00famero da pe\u00e7a e compare com o componente antigo antes de comprar. Em caso de d\u00favidas, n\u00e3o hesite em\u00a0<a href=\"https:\/\/hongtengdaparts.com\/pt\/entre-em-contato-conosco\/\">Entre em contato conosco<\/a>.<\/strong><br \/>\n<strong>Vale a pena escolher um produto que apresente desempenho est\u00e1vel, alta confiabilidade, f\u00e1cil instala\u00e7\u00e3o e resposta r\u00e1pida.<\/strong><\/p>","protected":false},"featured_media":2260,"template":"","meta":[],"product_brand":[],"product_cat":[57],"product_tag":[],"class_list":["post-2257","product","type-product","status-publish","has-post-thumbnail","product_cat-excavator-sensor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product\/2257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/media\/2260"}],"wp:attachment":[{"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/media?parent=2257"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2257"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2257"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}