{"product_id":"klmht-gas-tank-and-cap-replacement-for-briggs-stratton-e450-e500-direct-fit-590568-799585-assembly-venting-seal","title":"KLMHT Gas Tank and Cap Replacement for Briggs \u0026 Stratton E450\/E500 — Direct-Fit 590568\/799585 Assembly, Venting \u0026 Seal","description":"\u003cp\u003e\u003cstrong\u003eKLMHT replacement gas tank (590568 \/ 84004660) with matching cap (799585) restores secure fuel storage and proper ventilation for compatible B\u0026amp;S E450\/E500 lawnmower engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your mower’s original fuel tank is cracked, brittle, or the cap no longer seals, fuel can leak, fumes can build up, and engine performance can suffer. This KLMHT assembly replaces parts 590568 (tank) and 799585 (cap), cross-referenced as 84004660, fitting a range of Briggs \u0026amp; Stratton-style E450 and E500 series powerheads and engines listed under part groups such as 08P502, 08P602, 09P602, and 09P702. The unit arrives as a direct-fit aftermarket component designed to match mounting points, fill openings, and venting locations so installation is straightforward for a technician or a confident DIYer.\u003c\/p\u003e\n\n\u003ch3\u003eWill this tank and cap fit my mower model?\u003c\/h3\u003e\n\u003cp\u003eThe KLMHT set is manufactured to replace OEM numbers 590568 (tank) and 799585 (cap) and is also referenced by KLMHT part 84004660. It is engineered for E450 and E500 series engines and many lawnmower applications listed under 08P502, 08P602, 09P602, and 09P702. Compare your mower’s existing tank shape, mounting ears, and fuel outlet location to confirm compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM: 590568 tank and 799585 fuel cap\u003c\/li\u003e\n  \u003cli\u003eKLMHT part reference: 84004660\u003c\/li\u003e\n  \u003cli\u003eCommon fits: E450, E500 series engines\u003c\/li\u003e\n  \u003cli\u003eFits engine groups: 08P502, 08P602, 09P602, 09P702\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does swapping the tank and cap impact mower safety and performance?\u003c\/h3\u003e\n\u003cp\u003eA fresh tank and a proper sealing cap reduce the chance of fuel leakage and vapor escape, lowering fire risk and preventing fuel starvation issues that can cause the engine to stall. Better venting and clean fuel containment help the carburetor receive consistent fuel, which supports smoother starts and steadier throttle response. The replacement also eliminates deterioration points such as cracks, brittle plastic, and warped sealing surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents fuel leaks and vapor loss\u003c\/li\u003e\n  \u003cli\u003eReduces engine stalls from fuel delivery problems\u003c\/li\u003e\n  \u003cli\u003eMaintains correct fuel ventilation and pressure balance\u003c\/li\u003e\n  \u003cli\u003eReplaces deteriorated plastic and worn seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically a bolt-on swap: drain any remaining fuel, detach the old tank and cap, and transfer mounting hardware or grommets as needed. Verify hose connections, vent tubing routing, and tighten the cap to spec; replace any fuel lines that look hardened or cracked. After installation, inspect for leaks with a small amount of fuel in the tank and recheck fasteners after the first 1–2 hours of run time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrain old fuel before removal\u003c\/li\u003e\n  \u003cli\u003eReuse mounting hardware or replace if corroded\u003c\/li\u003e\n  \u003cli\u003eCheck fuel lines and vent routing\u003c\/li\u003e\n  \u003cli\u003eRun brief leak test and re-torque fasteners after initial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality details does this replacement offer?\u003c\/h3\u003e\n\u003cp\u003eThe tank is molded from durable, fuel-resistant polymer engineered to withstand outdoor temperature cycles and gasoline exposure. The cap features a sealing gasket and a venting mechanism compatible with typical small-engine requirements. Though an aftermarket part, it aims to match OEM dimensions and key interface points for a reliable fit and function.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel-resistant molded plastic tank construction\u003c\/li\u003e\n  \u003cli\u003eCap with gasket and built-in venting\u003c\/li\u003e\n  \u003cli\u003eDesigned to match OEM mounting and outlet locations\u003c\/li\u003e\n  \u003cli\u003eIntended for outdoor power equipment durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners, repair shops, and maintenance technicians who operate or service lawnmowers and outdoor power equipment with Briggs \u0026amp; Stratton-style E450\/E500 engines needing a direct replacement gas tank and cap. Choose this KLMHT assembly when the original tank shows cracks, the cap won’t seal, or you want a like-for-like fit to restore safe fuel containment and dependable engine operation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this include both the tank and the fuel cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The KLMHT kit contains the replacement tank (590568 \/ 84004660) and the matching cap (799585).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install it myself or need a mechanic?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most mechanically inclined owners can swap it with basic tools; drain fuel first and follow hose\/fastener checks. Professional help if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KLMHT","offers":[{"title":"Default Title","offer_id":56829195911508,"sku":"B0DXPSWKQ6","price":76.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/klmht-front-view-gas-tank-cap.jpg?v=1786997138","url":"https:\/\/gardenluxe.co.uk\/products\/klmht-gas-tank-and-cap-replacement-for-briggs-stratton-e450-e500-direct-fit-590568-799585-assembly-venting-seal","provider":"Gardenluxe Uk","version":"1.0","type":"link"}