{"product_id":"cat-1w-1748-valve-spring-3508-3512-3516-3612","title":"1W-1748 Caterpillar 3508 3512 3516 3612 Valve Spring | Engine Valve Train Parts","description":"\u003ch2\u003eCAT 1W-1748 Caterpillar 3508 \/ 3512 \/ 3516 \/ 3612 Valve Spring\u003c\/h2\u003e\u003cp\u003eOEM-quality valve spring for Caterpillar 3508, 3512, 3516, and 3612 diesel engines. Maintains constant closing force on the intake or exhaust valve, ensuring positive valve seating against the valve seat insert at all engine speeds and preventing valve float at high RPM. Manufactured from high-strength spring steel to OEM specifications for correct free length, spring rate, coil diameter, and wire diameter, ensuring reliable valve train operation and long service life under continuous heavy-duty thermal and mechanical cycling. Essential for cylinder head rebuild and valve train overhaul. 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 1W-1748\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 Valve Spring\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 8409.99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial \/ Marine \/ Power Generation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Engine Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCaterpillar 3508\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3512\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3516\u003c\/li\u003e\n\u003cli\u003eCaterpillar 3612\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\u003e1W-1748 | 1W1748 | CAT1W1748\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":56895092883622,"sku":"CAT-1W-1748","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/6655\/9142\/files\/arnes-de-inyectores-caterpillar-1w1748-motor-diesel.webp?v=1785658890","url":"https:\/\/motorpartshub.online\/products\/cat-1w-1748-valve-spring-3508-3512-3516-3612","provider":"Motor Parts Hub","version":"1.0","type":"link"}