{"product_id":"cat-c9-3b-503-7394-fuel-tube-assembly","title":"CAT 503-7394 Caterpillar C9.3B Fuel Tube Assembly | Engine Fuel System Parts","description":"\u003ch2\u003eCAT 503-7394 Caterpillar C9.3B Fuel Tube Assembly\u003c\/h2\u003e\u003cp\u003eOEM-quality fuel tube assembly for Caterpillar C9.3B diesel engines. Conveys high-pressure or low-pressure fuel between the fuel pump, fuel rail, injectors, and other fuel system components, maintaining a leak-free sealed fuel circuit under continuous operating pressures and temperatures. Manufactured to OEM specifications for correct tube diameter, wall thickness, end fitting configuration, and routing length, ensuring reliable fuel delivery and long service life under continuous heavy-duty operating conditions. Essential for fuel system overhaul and fuel line replacement. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.\u003c\/p\u003e\u003ch3\u003ePart Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 503-7394\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caterpillar (CAT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Fuel Tube Assembly (TUBE AS-FUEL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New \/ OEM Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS Code:\u003c\/strong\u003e 8413.91\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial \/ Construction \/ Power Generation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Engine Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCaterpillar C9.3B\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePlease confirm compatibility with your engine serial number before ordering.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCross Reference Numbers\u003c\/h3\u003e\u003cp\u003e503-7394 | 5037394 | CAT5037394\u003c\/p\u003e\u003ch3\u003eWhy Choose Us?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGlobal B2B wholesale supply\u003c\/li\u003e\n\u003cli\u003eBulk pricing available — contact us for a quote\u003c\/li\u003e\n\u003cli\u003eFast international shipping\u003c\/li\u003e\n\u003cli\u003eOEM \u0026amp; aftermarket options\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNeed bulk pricing or a custom quote?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eSubmit an RFQ →\u003c\/a\u003e\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":57196902285478,"sku":"CAT-503-7394","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/6655\/9142\/files\/cat-c9-3b-fuel-tube-assembly-503-7394.webp?v=1787826506","url":"https:\/\/motorpartshub.online\/products\/cat-c9-3b-503-7394-fuel-tube-assembly","provider":"Motor Parts Hub","version":"1.0","type":"link"}