{"product_id":"21605360-valve-spring-genuine-volvo-penta","title":"21605360 Valve Spring | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Volvo Penta set of sixteen valve springs for GM-based 5.0L, 5.7L and 6.2L Vortec marine V8 cylinder heads.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Engine Family:\n  \u003c\/strong\u003e\n  V\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   HP Range:\n  \u003c\/strong\u003e\n  300-320 HP\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n Full model list at the end of this description.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta 16-piece valve-spring set\n \u003c\/li\u003e\n \u003cli\u003e\n  Supersedes Volvo Penta 21110962\n \u003c\/li\u003e\n \u003cli\u003e\n  For GM-based 5.0L, 5.7L and 6.2L Vortec marine V8 applications\n \u003c\/li\u003e\n \u003cli\u003e\n  Maintains specified valve closing force and control\n \u003c\/li\u003e\n \u003cli\u003e\n  Retainers, cotters and valve-stem seals are not included unless ordered separately\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: GM-based 5.0L, 5.7L and 6.2L OHV Vortec petrol marine V8\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📋 Kit Contents\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  16 × Valve spring — each supplied under set Part Number 21605360\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve-spring retainers — not included; order by the applicable engine serial number\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve cotters\/keepers — not included; order by the applicable engine serial number\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve-stem seals — not included; order by the applicable engine serial number\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Closes each intake and exhaust valve and keeps the valve train in contact with the camshaft profile throughout the engine speed range.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Valve-train ticking or misfire\n \u003c\/li\u003e\n \u003cli\u003e\n  Loss of compression or power\n \u003c\/li\u003e\n \u003cli\u003e\n  Valve float at higher engine speed\n \u003c\/li\u003e\n \u003cli\u003e\n  Broken spring coils or reduced installed pressure\n \u003c\/li\u003e\n \u003cli\u003e\n  Uneven spring height or damaged retainers\/keepers\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Renew valve springs as a complete set for the engine rather than replacing individual springs, and never mix new springs with used ones in the same head\n \u003c\/li\u003e\n \u003cli\u003e\n  Check free length and squareness of the new springs against the figures in the workshop manual for your engine, and reject any that are out\n \u003c\/li\u003e\n \u003cli\u003e\n  Fit the spring the specified way up where the coils are closer together at one end or where the spring carries a marking, and use the correct seat and retainer for that spring\n \u003c\/li\u003e\n \u003cli\u003e\n  Fit a new valve stem seal where one is used, and make sure the collets are fully and evenly seated before the compressor is released — then tap the retainer lightly and confirm nothing has moved\n \u003c\/li\u003e\n \u003cli\u003e\n  Keep valves, springs and collets in cylinder order if any used parts are being refitted, and turn the engine over by hand before starting to confirm nothing binds\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21605360 → Supersedes 21110962\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21110962 earlier number superseded by this part\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Other-Brand OEM Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Mercury\/Quicksilver 24-48347-1 cross-reference\n \u003c\/li\u003e\n \u003cli\u003e\n  Mercury\/Quicksilver: 24-48347-1\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Aftermarket \/ Verified Equivalents\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  RECMAR: RM24-483471\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔎 Full Model Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta 5.7GSiPWTR, 5.7GSiPBYCCE, 5.7GSiPEFS, 5.7GSiPLKD, 5.7GSiPLKE, 5.7GSPBYC, 5.7GSPEFS, 5.7GSPWTR, 5.7GXi-320-R, 5.7GXiE-320-R, 5.7GXi-A, 5.7GXi-B, 5.7GXi-C, 5.7GXi-CF, 5.7GXiC-320-R, 5.7GXiCE-320-R, 5.7GXiC-J, 5.7GXiC-JF, 5.7GXiCE-JF, 5.7GXiCE-J, 5.7GXiCE-M, 5.7GXiC-P, 5.7GXiCE-P, 5.7GXi-D, 5.7GXi-DF, 5.7GXi-E, 5.7GXi-EF, 5.7GXi-J, 5.7GXi-JF, 5.7GXiE-JF, 5.7GXiE-J, 5.7GXiE-KF, 5.7GXiE-K, 5.7GXiE-M, 5.7GXiE-MF, 5.7GXiE-P, 5.7GXi-P, 5.7GXi-F, 5.7GXi-FF, 5.7OSXi-D, 5.7OSXi-DF, 5.7GXi-G, 5.7GXi-GF, 5.7GXi-H, 5.7GXi-HF, 5.7GXiI-A, 5.7GXiI-B, 5.7GXiI-C, 5.7GXiI-D, 5.7GXiI-E, 5.7GXiI-F, 5.7GXiI-G, 5.7GXiI-H, 5.7OSXi-A, 5.7OSXi-AF, 5.7OSXi-B, 5.7OSXi-BF, 5.7OSXi-C, 5.7OSXi-CF, 5.7OSXi-E, 5.7OSXi-EF, 5.7OSXi-J, 5.7OSXi-JF, 5.7OSXiE-JF, 5.7OSXiE-J, 5.7OSXi-G, 5.7OSXi-GF, 5.7GXiE-N, 5.7GXi-N\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta V8-300-C-A, V8-320-C-B, V8-320-CE-B, V8-320-A, V8-320-E-A, V8-320-B, V8-320-E-B, V8-320-C-A, V8-320-CE-A\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53385566650660,"sku":"6788300","price":339.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_41de3ed4-4a98-4e92-ab30-1aecf46fe287.jpg?v=1788061394","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21605360-valve-spring-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}