{"product_id":"piston-kit-honda-trx-400-fw-os-0-50-1995-2003","title":"Piston Kit OS 0.50 For Honda TRX 400 FW 1995 To 2003 OEM Replacement Fits ATV Engine","description":"\u003cdiv\u003eIf you're tackling a Honda TRX 400 FW ATV that's lost its punch due to worn engine internals, this oversize 0.50 piston kit is the precision-engineered solution you need to breathe new life into your ride. Designed specifically for Honda TRX 400 FW models from 1995 to 2003, this kit restores critical compression and smooth power delivery, helping you regain reliable performance on tough trails or farm chores. Say goodbye to sluggish acceleration and potential overheating issues, as swapping in this aftermarket piston ensures your engine runs with the efficiency and responsiveness it had when new. When your Honda TRX 400 FW starts showing signs of wear like reduced compression from piston ring gaps or cylinder scoring, this oversize 0.50 kit steps in to deliver a durable fix that keeps you rolling without breaking the bank. It tackles common problems such as oil consumption spikes and inconsistent throttle response by providing a tighter seal and better heat dissipation, making it a smart choice for avid riders who demand reliability on demanding terrain. As an aftermarket replacement, this piston is built with the same attention to detail as the originals but offers enhanced longevity through refined manufacturing processes, ensuring it holds up through repeated use on the trail or in the field.\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eComprehensive Vehicle Fitment\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModels \/ Series\u003c\/th\u003e\n\u003cth\u003eYears \/ Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eTRX400FW Sportrax\u003c\/td\u003e\n\u003ctd\u003e1995-2003; Direct fit for standard engine configurations, including models with manual transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Reference Part Numbers\u003c\/td\u003e\n\u003ctd\u003e13103-HM7-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePiston Kit OS +0.50 oversize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAftermarket Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHonda TRX 400 FW (1995-2003) engine rebuilds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-strength forged aluminum alloy for superior heat resistance and durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e84.50 mm (oversize configuration for precise cylinder matching)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Pin Diameter\u003c\/td\u003e\n\u003ctd\u003e20 mm, designed for low-friction performance and easy installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Height\u003c\/td\u003e\n\u003ctd\u003e32 mm, optimized to maintain original compression ratios and improve efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eOEM \u0026amp; Aftermarket Cross-Reference Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eBrand \/ Type\u003c\/th\u003e\n\u003cth\u003eCross-Reference Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e13103-HM7-000\u003c\/td\u003e\n\u003ctd\u003eOEM Standard\u003c\/td\u003e\n\u003ctd\u003eOriginal specification for Honda TRX 400 FW; this aftermarket kit matches dimensions and performance for seamless upgrades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent Aftermarket Codes (e.g., Generic 13103 Series)\u003c\/td\u003e\n\u003ctd\u003eAftermarket Standard\u003c\/td\u003e\n\u003ctd\u003eDirect-fit alternatives from various suppliers; ensures compatibility with oversize bore requirements for engine refreshes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\nThis piston kit comes with all the essential components for a straightforward engine rebuild.\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOversize 0.50 Piston\u003c\/b\u003e: Precision-machined to 84.50 mm bore for optimal fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePiston Rings\u003c\/b\u003e: Three-piece set including compression and oil control rings for enhanced sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePiston Pin\u003c\/b\u003e: 20 mm diameter pin with smooth finishes to reduce wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCirclips\u003c\/b\u003e: Two retaining clips for secure pin installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ATV City","offers":[{"title":"Default Title","offer_id":57319258718582,"sku":"190.10001-2","price":82.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0302\/0406\/files\/image_2026-02-25_233855860.png?v=1774886126","url":"https:\/\/dgtagri.co.uk\/products\/piston-kit-honda-trx-400-fw-os-0-50-1995-2003","provider":"DGT Agri","version":"1.0","type":"link"}