{"product_id":"1pz-carburetor-for-kohler-k321-k341-14hp-16hp-cast-iron-engines-preassembled-gasket-included","title":"1PZ Carburetor for Kohler K321 \u0026 K341 14HP\/16HP Cast Iron Engines — Preassembled, Gasket Included","description":"\u003cp\u003e\u003cstrong\u003e1PZ Carburetor is a direct replacement carburetor designed to restore fuel delivery and reliable starting on Kohler K321 and K341 14HP and 16HP cast iron engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Kohler K-Series engine (K321 or K341) or compatible garden tractor is running rough, hard to start, or using too much fuel, a worn or damaged carburetor is a common cause. The 1PZ replacement carburetor kit includes the assembly and an extra-thick gasket so you can swap the unit quickly and help return the engine to consistent idle, throttle response, and performance.\u003c\/p\u003e\n\n\u003ch3\u003eWill this carburetor fit my Kohler K321 or K341 engine?\u003c\/h3\u003e\n\u003cp\u003eYes — the 1PZ unit is made specifically for Kohler K-Series K321 (14HP) and K341 (16HP) cast iron engines and for common tractor applications that use those models. Always confirm your engine model and cross-reference the part numbers before ordering to avoid fitment issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Kohler K321 and K341 cast iron engines.\u003c\/li\u003e\n  \u003cli\u003eSuits John Deere\/Club Cadet tractors that use the same carburetor family (e.g., 1600, 1650, 316).\u003c\/li\u003e\n  \u003cli\u003eReference part numbers: 4505355, 45-053-55, 45-053-55-S for cross-checking.\u003c\/li\u003e\n  \u003cli\u003eVerify engine serial\/model plate and compare mounting flange and linkage style.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the 1PZ carburetor kit and how does it simplify installation?\u003c\/h3\u003e\n\u003cp\u003eThe package arrives as a complete carburetor kit that includes the assembled carburetor and an extra-thick gasket to improve the intake seal. Having the gasket included reduces the need for additional parts and helps ensure a tighter fit during installation, lowering the risk of air leaks that create poor running conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFully assembled replacement carburetor ready for bolt-on installation.\u003c\/li\u003e\n  \u003cli\u003eExtra-thick gasket included for a durable intake seal.\u003c\/li\u003e\n  \u003cli\u003ePre-positioned mounting points and fuel inlet for straightforward linkage hookup.\u003c\/li\u003e\n  \u003cli\u003eSupplies you need to replace a worn factory unit without sourcing separate parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this carburetor affect engine performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing an old or malfunctioning carburetor with this 1PZ unit can improve starting, steady idling, and throttle response when installed and tuned correctly. It won’t change engine power ratings, but it restores the engine’s intended fuel metering so it runs cleaner and more predictably between services.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps reduce hesitation, stumbling, and uneven idle caused by worn fuel metering parts.\u003c\/li\u003e\n  \u003cli\u003eRestores factory-like fuel delivery for consistent throttle response.\u003c\/li\u003e\n  \u003cli\u003eCan lower rough-running symptoms and excessive fuel consumption tied to carburetor faults.\u003c\/li\u003e\n  \u003cli\u003eRequires standard tuning and adjustment after installation for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying or installing this replacement carburetor?\u003c\/h3\u003e\n\u003cp\u003eConfirm your engine model, compare the old part’s mounting and linkage configuration, and inspect fuel lines, gaskets, and throttle\/choke connections before starting. Proper fitment and a clean mounting surface are essential for a successful replacement and to avoid persistent running issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch engine model (K321 or K341) and cross-reference listed part numbers.\u003c\/li\u003e\n  \u003cli\u003eInspect throttle and choke linkages for compatibility with the new unit.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface and replace any brittle fuel lines or seals.\u003c\/li\u003e\n  \u003cli\u003eAdjust idle and mixture screws per engine manual after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This 1PZ carburetor kit is intended for owners, mechanics, and fleet managers of lawn and garden equipment fitted with Kohler K321 or K341 engines who need a reliable replacement part. It’s also suitable for owners of John Deere, Club Cadet, and similar tractors that share the same Kohler carburetor family and reference part numbers; ideal if you want a ready-to-install carburetor with a thicker gasket for a better intake seal.\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: Is this carburetor a direct replacement for part number 4505355?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 1PZ carburetor is compatible with reference part numbers 4505355, 45-053-55, and 45-053-55-S.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need extra parts to install this carburetor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Generally no—this kit includes the carburetor and extra-thick gasket, but verify linkage, fuel lines, and seals on your machine.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"1PZ","offers":[{"title":"Default Title","offer_id":55163283112279,"sku":"B07GDDKCQP","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/1pz-carburetor-front-view.jpg?v=1790342998","url":"https:\/\/britishgarage.co.uk\/products\/1pz-carburetor-for-kohler-k321-k341-14hp-16hp-cast-iron-engines-preassembled-gasket-included","provider":"British Garage","version":"1.0","type":"link"}