{ "action": "Product-ShowQuickView", "queryString": "pid=545081857", "locale": "default", "product": { "uuid": "c4e3d33a6fe919f251c9d2c3e3", "id": "545081857", "productName": "Poulan 545081857 Carburetor Kit C1U-W43", "productType": "standard", "brand": "POULAN", "gtmData": { "id": "545081857", "name": "Poulan 545081857 Carburetor Kit C1U-W43", "category": "Power Tool Parts", "categoryID": "power-tools", "price": 60.33, "currencyCode": "USD" }, "gtmGA4Data": { "item_id": "545081857", "item_name": "Poulan 545081857 Carburetor Kit C1U-W43", "item_brand": "POULAN", "item_category": "Power Tool Parts", "price": 60.33, "currency": "USD", "quantity": 1 }, "price": { "sales": { "value": 60.33, "currency": "USD", "formatted": "$60.33", "decimalPrice": "60.33" }, "list": null }, "renderedPrice": "
\n \n \n\n \n\n \n \n \n \n \n \n \n \n $60.33\n\n\n \n\n \n \n\n\n
\n\n\n", "images": { "large": [ { "alt": "Poulan 545081857 Carburetor Kit C1U-W43", "url": "/on/demandware.static/-/Sites-wholetoolbox-master-catalog/default/dwaf4a7833/images/large/5/4/545081857.jpg", "title": "Poulan 545081857 Carburetor Kit C1U-W43" } ], "small": [ { "alt": "Poulan 545081857 Carburetor Kit C1U-W43", "url": "https://www.wholetoolbox.com/dw/image/v2/BMMB_PRD/on/demandware.static/-/Sites-wholetoolbox-master-catalog/default/dwaf4a7833/images/large/5/4/545081857.jpg?sw=140&sh=140", "title": "Poulan 545081857 Carburetor Kit C1U-W43" } ] }, "selectedQuantity": 1, "minOrderQuantity": 1, "maxOrderQuantity": 1, "variationAttributes": null, "sku": "545081857", "longDescription": null, "shortDescription": "The Poulan 545081857 Carburetor Kit C1U-W43 is a Poulan carburetor that comes in replacement for different Poulan and Husqvarna lawn equipment models. It controls the blend of air and fuel to give the better performance of an engine while at the same time using the least fuel. regards to the better fuel control, this carburetor improves response, reducing pollution of the environment. All the components required for installation are provided in the kit and it is easy to install for both the DIY and the professional. By using this carburetor kit, you can maintain your outdoor power equipment for better and easy starting and extending the life of your equipment.", "technicalDetails": null, "showAttributeSpecs": true, "productHighlights": null, "installationGuide": null, "troubleShootingGuides": "

Poulan 545081857 Carburetor Kit C1U-W43 is an OEM-style replacement carburetor used in select Poulan, Craftsman, and Husqvarna blower/vacuum models. It is designed to control air-fuel mixture delivery for smooth starting, stable idle, and consistent engine performance in compatible 2-stroke equipment.

\n

Common Problems:

\n

• Engine starts but stalls shortly after.

\n

• Carburetor leaks fuel during operation.

\n

• Uneven idle or sputtering engine.

\n

• Weak throttle response under load.

\n

• Difficulty starting after storage.

\n

Engine Starts Then Stalls

\n

Quick Check: Verify fuel is reaching the carburetor and inspect the fuel filter for blockage.

\n

Fix Suggestion: Clean the internal fuel passages of the Poulan 545081857 Carburetor Kit C1U-W43 and inspect diaphragms for stiffness caused by old fuel residue.

\n

Prevention Tip: Use fresh fuel mixtures and avoid leaving fuel in the equipment during long storage periods.

\n

Fuel Leakage Around Carburetor

\n

Quick Check: Examine fuel lines, mounting gaskets, and primer bulb connections for wear or looseness.

\n

Fix Suggestion: Replace damaged seals or tighten loose fittings connected to the carburetor kit assembly.

\n

Prevention Tip: Inspect fuel components regularly and replace cracked fuel tubing before leaks develop.

\n

Rough Idle or Sputtering

\n

Quick Check: Inspect the air filter and confirm idle settings are properly adjusted.

\n

Fix Suggestion: Remove debris from carburetor jets and clean varnish buildup affecting the fuel-air mixture.

\n

Prevention Tip: Run the equipment periodically to prevent fuel deposits from clogging internal carburetor passages.

\n

Poor Acceleration Response

\n

Quick Check: Inspect throttle linkage movement and verify unrestricted fuel flow.

\n

Fix Suggestion: Replace worn diaphragms or clean clogged metering ports inside the C1U-W43 carburetor assembly.

\n

Prevention Tip: Keep dirt and debris away from the fuel tank and intake area during operation.

\n

Customer Experience: After installing the Poulan 545081857 C1U-W43 carburetor kit, my trimmer started much easier and stopped stalling.

", "dimensions": [], "hasDimensions": false, "replacesParts": null, "replacesPartsGroups": [], "hasReplacesParts": false, "productReplaces": [], "hasProductReplaces": false, "replacedBy": [], "isDiscontinued": false, "boxDimensions": null, "isNonReturnable": false, "useBrandLayout": false, "brandSpecs": null, "compatibleModelsApiEnabled": true, "compatibleModelsJson": null, "compatibleModels": { "Husqvarna GBV345 BLOWER": null }, "compatibleModelNames": [], "hasCompatibleModels": true, "faqs": [ { "question": "Is the Poulan 545081857 Carburetor Kit C1U-W43 compatible with all Poulan outdoor power equipment?", "answer": "

No. This carburetor kit is designed for specific Poulan models that require the C1U-W43 carburetor configuration. Always verify the original part number and engine model before installation.

" }, { "question": "Why is my Carburetor Kit C1U-W43 causing hard starting or stalling?", "answer": "

Hard starting and stalling are commonly caused by clogged fuel passages, stale gasoline deposits, worn diaphragms, or restricted fuel flow within the carburetor assembly.

" }, { "question": "Can I install the Poulan 545081857 Carburetor Kit C1U-W43 myself?", "answer": "

Many users can replace this carburetor kit using basic hand tools. Proper fuel line placement and gasket alignment are important for correct installation and performance.

" }, { "question": "What is the purpose of the Poulan Carburetor Kit C1U-W43?", "answer": "

This carburetor kit regulates the air and fuel mixture supplied to the engine. It helps maintain reliable starting, stable idle operation, and smooth throttle performance during equipment use.

" } ], "rating": 4.6, "promotions": null, "attributes": null, "availability": { "messages": [ "This item is currently not available" ], "inStockDate": null }, "available": false, "options": [], "quantities": [ { "value": "1", "selected": true, "url": "/on/demandware.store/Sites-wholetoolbox-Site/default/Product-Variation?pid=545081857&quantity=1" } ], "selectedProductUrl": "/poulan-545081857-carburetor-kit-c1u-w43/545081857.html?%2Fpoulan-545081857-carburetor-kit-c1u-w43%2F545081857.html=undefined&quantity=undefined", "readyToOrder": true, "online": true, "pageTitle": "Poulan 545081857 Carburetor Kit C1U-W43 | WholeToolBox", "pageDescription": "Looking For The Best Prices On OEM/Replacement Part# Poulan 545081857 Carburetor Kit C1U-W43 ? You've come to the right place. Shop at WholeToolBox with same day shipping and 100% satisfaction.", "pageKeywords": null, "pageMetaTags": [ {}, {}, {}, {} ], "template": null, "reviewPreferences": { "reviewsEnabled": true, "autoApprove": false, "requireLogin": false, "showApprovedOnly": true, "pageSize": 5, "showOnPlp": true, "showOnQuickView": true }, "reviewSummary": { "count": 0, "averageRating": 0, "averageRatingRounded": 0, "hasReviews": false, "distribution": [] }, "brandData": { "name": "POULAN", "categoryID": "brands_poulan", "letter": "P", "productCount": 229, "logo": "/on/demandware.static/Sites-wholetoolbox-Site/-/default/dw76536a3c/images/brands/poulan.jpg", "description": "POULAN", "normalizedBrandName": "poulan", "isFeatured": true, "url": "/brand/poulan/" }, "isOemPart": false, "linkedProducts": [], "hasLinkedProducts": false }, "addToCartUrl": {}, "resources": { "info_selectforstock": "Select Styles for Availability", "assistiveSelectedText": "selected" }, "quickViewFullDetailMsg": "View Full Details", "closeButtonText": "Close Quickview Dialog", "enterDialogMessage": "Start of Quickview dialog window. Select Close to cancel and close the window.", "template": "product/quickView.isml", "csrf": { "tokenName": "csrf_token", "token": "_R7HE1DPWi1QwKlI4X4uo28BHfgqGAEvvBfN3XXHZN-gGvUR8_RWSwBVKDcezRzaV1QGK6FX3QHUyaEIyNF8itIRKAvlLRzbsKMquou8iupgLvZaQX2SGFb4KoeFykc03uWRsjr9kuQWUXZ9NiO80Smxw5suaYt-l6AfE1H5MAZGxdh24AQ=" }, "paypal": { "partnerAttributionId": "SFCC_EC_B2C_25_2_0", "venmoOrPayPalButtonEnabled": false, "buttonsToRender": "{\"paypal\":false,\"venmo\":false}", "isPayPalButtonMessageEnabled": false, "buttonConfig": { "style": { "height": 35, "color": "gold", "shape": "rect", "layout": "vertical", "label": "checkout", "tagline": false } }, "buttonMessageConfig": "{\"align\":\"center\",\"color\":\"black\",\"position\":\"bottom\"}", "billingFormFields": { "paymentMethod": { "name": "dwfrm_billing_paymentMethod", "value": "PayPal" }, "paypalActiveAccount": { "name": "dwfrm_billing_paypal_paypalActiveAccount", "value": "" }, "usedPaymentMethod": { "name": "dwfrm_billing_paypal_usedPaymentMethod", "value": "" } }, "digitalGoodsData": { "isDigitalGoodsFlowEnabled": false }, "isPayPalPmActive": true, "userIdToken": null, "customerEmail": "", "isApplePayPvpButtonEnabled": false, "isGooglePayPvpButtonEnabled": false }, "renderedTemplate": "
\n
\n \n
\n
\n\n \n \n\n\n\n
\n \n \n \n
\n
\n \"Poulan\n
\n
\n \n
\n\n \n \n \n
    \n
  1. \n \"Poulan\n
    2. \n
\n \n
\n
\n\n\n \n
\n
\n
\n
\n

\n Poulan 545081857 Carburetor Kit C1U-W43\n

\n
\n
\n
\n\n \n
\n
\n
\n \n SKU:\n 545081857\n \n \n \n Brand:\n \n \n\n
\n \n \n POULAN\n \n \n
\n\n\n \n \n \n Availability:\n \n
\n \n Out of Stock\n \n
\n\n \n
\n
\n
\n\n \n \n
\n
\n
\n

Description

\n
\n The Poulan 545081857 Carburetor Kit C1U-W43 is a Poulan carburetor that comes in replacement for different Poulan and Husqvarna lawn equipment models. It controls the blend of air and fuel to give the better performance of an engine while at the same time using the least fuel. regards to the better fuel control, this carburetor improves response, reducing pollution of the environment. All the components required for installation are provided in the kit and it is easy to install for both the DIY and the professional. By using this carburetor kit, you can maintain your outdoor power equipment for better and easy starting and extending the life of your equipment.\n
\n
\n
\n
\n \n\n
\n \n
\n\n \n\n
\n\n \n
\n
\n
\n \n\n\n\n
\n
\n
\n
\n\n \n \n \n \n
\n
\n
\n\n \n\n \n
\n
\n \n\n
\n
\n \n
\n \n \n\n\n \n
\n\n
\n \n
\n \n \n
\n \n \n\n \n\n \n \n \n \n \n \n \n \n $60.33\n\n\n \n\n \n \n\n\n
\n\n\n
\n\n \n \n \n\n\n\n
\n
\n \n \n \n\n \n \n\n \n\n \n
\n
\n \n
\n
\n \n
\n
\n \n
\n
\n \n\n \n
\n
\n\n \n
\n
\n
\n
\n", "productUrl": "/poulan-545081857-carburetor-kit-c1u-w43/545081857.html", "__gtmEvents": [] }