{"product_id":"isuzu-kb-series-camshaft-4ja1","title":"Default Title","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch2\u003eVehicle Fitment \u0026amp; Part Details\u003c\/h2\u003e\n\n\u003cp\u003eThis Partquip CAM1003 camshaft is a direct-fit replacement for the Isuzu KB250D\/KB280DT, Isuzu D-Max (TFR\/TFS), Isuzu Frontier, GWM Steed 2.8D, and Foton Thunda 2.8D equipped with the 4JA1, 4JA1-L, 4JB1, 4JB1T, GW28TC2, and 493ZQ engines (1987 onwards), replacing OE numbers 5636043 and 8-94127797-4. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN\/engine\/chassis information where variants exist.\u003c\/p\u003e\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cdl style=\"display:grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin:0;\"\u003e\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eSKU\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003eCAM1003\u003c\/dd\u003e\n\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eComponent\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003eCamshaft\u003c\/dd\u003e\n\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eBrand\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003ePartquip\u003c\/dd\u003e\n\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003eOEM References\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003e\n      \u003cul style=\"margin:0; padding-left:18px;\"\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIsuzu:\u003c\/strong\u003e 5636043, 8-94127797-4\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/dd\u003e\n\n    \u003cdt style=\"font-weight:600; margin:0;\"\u003ePrimary Fitment\u003c\/dt\u003e\n    \u003cdd style=\"margin:0;\"\u003eGWM Steed 2.8TCI (GW28TC2)(08-11)\u003c\/dd\u003e\n\n  \u003c\/dl\u003e\n\n  \u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect OE replacement (5636043 \/ 8-94127797-4) ensures correct valve timing across all listed Isuzu, GWM, and Foton applications.\u003c\/li\u003e\n\u003cli\u003eCovers the full Isuzu KB 4JA1\/4JB1 diesel family from 1987 to 2021, plus GWM Steed and Foton Thunda.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto; margin:0 0 24px 0;\"\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; line-height:1.45;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#1a1a2e; color:#ffffff;\"\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eVariant\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:5px 8px; text-align:left; border:1px solid #ddd; vertical-align:top;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eFoton\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eThunda\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2.8D\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e493ZQ\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2010–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eGWM\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eSteed\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2.8D 4X2\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eGW28TC2\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2008–2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eIsuzu\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eD-Max (TFR\/TFS)\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2.5\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4JA1-L\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2018–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eIsuzu\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eFrontier\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2.8D\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4JB1\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eIsuzu\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eKB250D\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e–\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4JA1\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1987–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eIsuzu\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eKB250D\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e–\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4JA1-L\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e2000–2007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eIsuzu\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003eKB280DT\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e–\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e4JB1T\u003c\/td\u003e\n\u003ctd style=\"padding:4px 8px; border:1px solid #ddd; vertical-align:top; overflow-wrap:anywhere;\"\u003e1993–2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Diameter:\u003c\/strong\u003e 42 mm (Frontier application)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e CAM1003\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOE Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsuzu:\u003c\/strong\u003e 5636043, 8-94127797-4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv data-nosnippet=\"\"\u003e\n  \u003cdiv style=\"background: #c62828; color: #ffffff; padding: 14px 16px; border-radius: 10px; margin: 14px 0;\"\u003e\n    \u003cstrong\u003eWarning\u003c\/strong\u003e\u003cbr\u003e\n    To protect against excessive wear of the camshaft or cam followers it is essential that a high pressure cam lube is used for the initial assembly. Failure to do so voids any warranty.\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich OE part numbers does the CAM1003 replace?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis camshaft replaces Isuzu OE numbers 5636043 and 8-94127797-4 across all listed applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the CAM1003 fit the GWM Steed?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The CAM1003 fits the GWM Steed 2.8D 4X2 with the GW28TC2 engine (2008–2011).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFollow the manufacturer’s workshop procedure for camshaft removal and installation, including correct timing gear alignment.\u003c\/li\u003e\n\u003cli\u003eInspect cam lobes, journals, and bearing caps for wear or damage before fitting the new camshaft.\u003c\/li\u003e\n\u003cli\u003eApply high-pressure cam lube to all cam journals and lobes before installation — this is essential to prevent premature wear.\u003c\/li\u003e\n\u003cli\u003eTorque bearing cap bolts to specification in the correct sequence as per the workshop manual.\u003c\/li\u003e\n\u003cli\u003eAfter installation, verify correct valve timing and check for abnormal noise during initial startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Partquip","offers":[{"title":"Default Title","offer_id":51516642197819,"sku":"CAM1003","price":1398.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/3480\/8379\/files\/CAM1003.jpg?v=1785398416","url":"https:\/\/gunmansa.co.za\/ga\/products\/isuzu-kb-series-camshaft-4ja1","provider":"GUNMANSA","version":"1.0","type":"link"}