{"product_id":"aprilia-guarnizione-testa-cilindro-rs-rx-sx-tuono-125-1a007851","title":"Genuine Aprilia RS 125 RX SX 125 Tuono 125 2017-2024 Cylinder Head Gasket | OEM 1A007851","description":"\u003cdiv style=\"font-family:'Segoe UI',Arial,sans-serif;max-width:900px;margin:0 auto;color:#222;line-height:1.7;\"\u003e\n\n  \u003cp style=\"font-size:16px;\"\u003e\n    The \u003cstrong\u003eAprilia 1A007851 cylinder head gasket\u003c\/strong\u003e is the \u003cstrong\u003eoriginal OEM Piaggio Group\u003c\/strong\u003e spare part for the \u003cstrong\u003e125 4T 4V M545M\u003c\/strong\u003e single-cylinder engine fitted on Aprilia \u003cstrong\u003eRS 125, RS 125 Replica\/GP Replica, RX 125, SX 125, and Tuono 125\u003c\/strong\u003e from 2017 to 2024, in both Euro 4 and Euro 5 versions. It is the gasket that seals the mating surface between the cylinder head and the cylinder, ensuring a perfect seal for the combustion chamber and the oil and coolant circuits.\n  \u003c\/p\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003e✓ Strengths\u003c\/h3\u003e\n  \u003cul style=\"font-size:15px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100% original Aprilia \/ Piaggio spare part\u003c\/strong\u003e – same component fitted at the factory\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM code 1A007851\u003c\/strong\u003e – perfect interchangeability and zero fitment risks\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBroad compatibility\u003c\/strong\u003e – RS 125, RS 125 Replica, RX 125, SX 125, Tuono 125 (E4 \/ E5) from 2017 to 2024\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReference engine\u003c\/strong\u003e: 125 cc 4T 4V single-cylinder M545M\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGuaranteed seal\u003c\/strong\u003e between head and cylinder for combustion gases, oil, and coolant\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMandatory replacement component\u003c\/strong\u003e every time the cylinder head is removed\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eTechnical specifications\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAprilia (Piaggio Group)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOEM code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1A007851\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eEquivalent code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eAP3CLA000637\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCylinder head gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eReference engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePiaggio \/ Aprilia 125 4T 4V M545M\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e125 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eLiquid\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSpare part type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eOriginal Aprilia (OEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity per engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"background:#fff3cd;border-left:4px solid #ffc107;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n    \u003cstrong\u003e⚠️ Important notes:\u003c\/strong\u003e\u003cbr\u003e\n    • The cylinder head gasket is a \u003cstrong\u003esingle-use component\u003c\/strong\u003e: it must always be replaced with a new one every time the cylinder head is removed.\u003cbr\u003e\n    • For reassembly, it is mandatory to follow the diagram and torque settings indicated in the Aprilia workshop manual, using new or verified head bolts.\u003cbr\u003e\n    • It is recommended to simultaneously replace the \u003cstrong\u003ecylinder base gasket, head O-ring, valve stem seals\u003c\/strong\u003e, and \u003cstrong\u003ecoolant\u003c\/strong\u003e.\u003cbr\u003e\n    • The procedure must be carried out by a qualified mechanic: incorrect tightening can cause leaks, overheating, and engine damage.\u003cbr\u003e\n    • Verify the engine code and model using the VIN before purchasing.\n  \u003c\/div\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#e63946;color:#fff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eFamily\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eModel \/ Version\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\" rowspan=\"4\"\u003e\u003cstrong\u003eRS 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRS 125 4T E4 ABS (EMEA)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2017 – 2018\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRS 125 Replica 4T E4 ABS (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2017 – 2019\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRS 125 4T E5 ABS (EMEA)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2021 – 2023\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRS 125 GP Replica 4T E5 ABS (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2021 – 2023\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\" rowspan=\"2\"\u003e\u003cstrong\u003eRX 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRX 125 E4 (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2018 – 2020\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRX 125 E5 (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2021 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\" rowspan=\"2\"\u003e\u003cstrong\u003eSX 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSX 125 E4 (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2018 – 2020\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSX 125 E5 (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2021 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\" rowspan=\"2\"\u003e\u003cstrong\u003eTuono 125\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eTuono 125 4T E4 ABS (EMEA \/ APAC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2017 – 2020\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eTuono 125 4T E5 ABS (EMEA)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2021 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eRecommended related spare parts\u003c\/h3\u003e\n  \u003cul style=\"font-size:15px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM cylinder base gasket\u003c\/strong\u003e – to be replaced along with the head gasket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValve stem seals\u003c\/strong\u003e and \u003cstrong\u003etappets \/ shims\u003c\/strong\u003e – to be checked with the head removed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCylinder head bolts\u003c\/strong\u003e – check condition and elongation, replace if out of tolerance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM cylinder piston kit\u003c\/strong\u003e – recommended for high-mileage engines\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpecific Piaggio coolant\u003c\/strong\u003e – to be refilled after the procedure\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEni i-Ride Moto engine oil\u003c\/strong\u003e specific for Aprilia – to be replaced after any engine opening\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eWho it's perfect for\u003c\/h3\u003e\n  \u003cp style=\"font-size:15px;\"\u003e\n    This gasket is designed for \u003cstrong\u003eauthorized workshops, specialized Aprilia\/Piaggio mechanics, and enthusiasts\u003c\/strong\u003e who need to work on the cylinder head of a 125 4V from the Aprilia range (RS, RX, SX, Tuono). It is the mandatory choice for those who want to perform a perfectly executed engine service, replace the gasket in case of leakage\/overheating, or complete a full engine overhaul with original and traceable spare parts.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background:#f0f7f0;border-left:4px solid #28a745;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n    \u003cstrong\u003e🛡️ Guarantee and quality – Moon Bike S.r.l.\u003c\/strong\u003e\u003cbr\u003e\n    Moon Bike S.r.l. is an \u003cstrong\u003eofficial Piaggio Group dealer\u003c\/strong\u003e (Piaggio, Vespa, Aprilia, Gilera, Moto Guzzi) based in Cercola (NA). The \u003cstrong\u003e1A007851\u003c\/strong\u003e cylinder head gasket is supplied as \u003cstrong\u003eoriginal Aprilia\u003c\/strong\u003e, with full OEM traceability and covered by the manufacturer's official warranty. We ship throughout Italy and abroad with professional packaging for delicate engine parts.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Aprilia","offers":[{"title":"Default Title","offer_id":56910513307996,"sku":"1A007851","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3660\/0668\/files\/1_359f6621-14ac-44bc-8e0d-7002ce979725.png?v=1775596361","url":"https:\/\/www.moonbikesrl.it\/en-row\/products\/aprilia-guarnizione-testa-cilindro-rs-rx-sx-tuono-125-1a007851","provider":"Moon Bike S.r.l.","version":"1.0","type":"link"}