{"product_id":"a-31744131-ai-spring-valve-inner","title":"A-31744131-AI Spring, Valve Inner","description":"\u003ch3\u003eOne New Aftermarket Replacement Inner Valve Spring for Perkins A4.236 Series Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement inner valve spring fits Perkins A4.212, A4.236, A4.248, and A6.354 diesel engines used in Fits Massey Ferguson and Claas farm machinery, as well as Fits JCB industrial and construction equipment. The inner valve spring works in tandem with the outer valve spring to return intake and exhaust valves to their closed position, maintaining proper valve timing and combustion sealing during engine operation.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 20.4 mm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 25.4 mm\u003c\/li\u003e\n\u003cli\u003eFree Length: 53 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Inlet and Exhaust Valves\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003ePerkins Engines:\u003c\/strong\u003e A4.212, A4.236, A4.248, A6.354\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Massey Ferguson (Perkins A4.236 engine):\u003c\/strong\u003e 30D, 50, 50B, 50B MkII, 50D, 168, 175, 265, 274, 274S, 274-4S, 275, 284-4S, 365, 375, 565, 575, 675\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eClaas:\u003c\/strong\u003e Models equipped with Perkins A4.212, A4.236, A4.248, and A6.354 engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits JCB:\u003c\/strong\u003e 418 and other industrial\/construction models equipped with Perkins 4.236 series engines\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e31744131, 31744127\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003e735525M1\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc®","offers":[{"title":"Default Title","offer_id":40018171199571,"sku":"A-31744131-AI","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-31744131-AI_01.jpg?v=1757922178","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-31744131-ai-spring-valve-inner","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}