{"product_id":"rear-cv-axle-drive-shaft-polaris-sportsman-450-570-4x4-2018-2025","title":"Rear CV Axle Drive Shaft – Polaris Sportsman 450\/570 4X4 2018–2025","description":"\n\u003ch2\u003eRear CV Axle Drive Shaft — Polaris Sportsman 450\/570 4X4 (2018–2025)\u003c\/h2\u003e\n\u003cp\u003eKeep your Polaris Sportsman running at peak performance with this precision-engineered rear CV axle drive shaft. Designed as a direct OEM replacement for the Polaris Sportsman 450 and 570 4X4 (HO EPS \u0026amp; X2 models), this shaft drops right into your existing drivetrain — no modifications, no hassle. Whether you're tackling muddy trails, rocky terrain, or open fields, this axle delivers smooth, consistent torque transfer and long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Vehicle Compatibility:\u003c\/strong\u003e Fits 2018–2025 Polaris Sportsman 450 \u0026amp; 570 4X4 (HO EPS \u0026amp; X2 models; excludes 6x6). Replaces OEM part numbers \u003cstrong\u003e1333275, 1333677, 1334438, 1337130\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-Fit Installation:\u003c\/strong\u003e Precision-machined splines ensure a secure, snug fit with your factory drivetrain — bolt on and go with no modifications required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Specifications:\u003c\/strong\u003e Compressed Length: 22.16 in | Output Shaft Splines: 26 | Input Shaft Splines: 28. Engineered to meet OEM performance standards for consistent torque transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Forged from high-strength chromoly steel with heat-treated CV joints and heavy-duty neoprene boots for superior wear resistance and excellent protection against dirt and moisture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Install:\u003c\/strong\u003e Fully assembled and pre-greased for immediate use. Each axle is dynamically tested to ensure optimal balance, minimal vibration, and extended joint durability under all-terrain conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment Guide\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f2f2f2\"\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left\"\u003eYear\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;text-align:left\"\u003eTrim\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e2018–2025\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eSportsman 450 4X4\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eHO EPS \u0026amp; X2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f9f9f9\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e2018–2025\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eSportsman 570 4X4\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eHO EPS \u0026amp; X2 (excl. 6x6)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces OEM #:\u003c\/strong\u003e 1333275, 1333677, 1334438, 1337130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompressed Length:\u003c\/strong\u003e 22.16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Shaft Splines:\u003c\/strong\u003e 26\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Shaft Splines:\u003c\/strong\u003e 28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-strength chromoly steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoots:\u003c\/strong\u003e Heavy-duty neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Fully assembled \u0026amp; pre-greased\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe ATV maintenance practices, visit the U.S. Consumer Product Safety Commission ATV Safety Center.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Polaris Sportsman models is this rear CV axle drive shaft compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This rear CV axle drive shaft fits 2018–2025 Polaris Sportsman 450 4X4 and Sportsman 570 4X4 (HO EPS \u0026amp; X2 models). It excludes the 6x6 configuration. It replaces OEM part numbers 1333275, 1333677, 1334438, and 1337130.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this CV axle require any modifications to install on my Polaris Sportsman?\u003c\/h4\u003e\n\u003cp\u003eA: No modifications are required. This is a direct OEM replacement designed to fit your factory drivetrain precisely. The precision-machined splines (26 output \/ 28 input) ensure a secure, snug fit straight out of the box.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this CV axle drive shaft pre-greased and ready to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this axle comes fully assembled and pre-greased, so it is ready for immediate installation. Each unit is also dynamically tested for balance and vibration reduction before shipping, ensuring dependable all-terrain performance right away.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials are used in this CV axle's construction?\u003c\/h4\u003e\n\u003cp\u003eA: The axle shaft is crafted from high-strength chromoly steel with heat-treated CV joints for lasting durability. The boots are made from heavy-duty neoprene, providing excellent protection against dirt, moisture, and trail debris across all conditions.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Polaris Sportsman models is this rear CV axle drive shaft compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This rear CV axle drive shaft fits 2018–2025 Polaris Sportsman 450 4X4 and Sportsman 570 4X4 (HO EPS \u0026amp; X2 models). It excludes the 6x6 configuration. It replaces OEM part numbers 1333275, 1333677, 1334438, and 1337130.\"}}, {\"@type\": \"Question\", \"name\": \"Does this CV axle require any modifications to install on my Polaris Sportsman?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No modifications are required. This is a direct OEM replacement designed to fit your factory drivetrain precisely. The precision-machined splines (26 output \/ 28 input) ensure a secure, snug fit straight out of the box.\"}}, {\"@type\": \"Question\", \"name\": \"Is this CV axle drive shaft pre-greased and ready to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this axle comes fully assembled and pre-greased, so it is ready for immediate installation. 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