{"product_id":"aftermarket-graco®-4426-g-gun-repair-kit-includes-g-thread-diffuser-7-8-ball-holder-non-oem","title":"Aftermarket GRACO® 4426-G Gun Repair Kit - includes: \"G\" thread diffuser (7\/8\") \u0026 ball holder (Non-OEM)","description":"\u003ch1 style=\"text-align: center;\"\u003eAftermarket GRACO® 4426-G Gun Repair Kit - includes: \"G\" thread diffuser (7\/8\") \u0026amp; ball holder (Non-OEM)\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eManufacturer: \u003c\/b\u003eTotal Finishing Supplies\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePart Number:\u003c\/b\u003e 13278\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eComparable OEM Part Number:\u003c\/b\u003e 4426-G\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDescription:\u003c\/b\u003e Total Finishing's part # 20-2392 is a direct-fit replacement for the 300\/400 Gun \"G\" Diffuser \u0026amp; Ball Mount assembly, a wear-prone component in Graco's 300 and 400 series spray guns. This kit supplies the diffuser and ball mount elements that control fluid atomization and spray pattern consistency during high-volume coating work.\u003c\/p\u003e\n\u003cp\u003eProfessional painting contractors and airless spray equipment specialists rely on this assembly to maintain uniform spray characteristics across exterior and industrial finish applications. When the diffuser or ball mount degrades, spray pattern quality deteriorates and material waste increases—making timely replacement essential for job site efficiency.\u003c\/p\u003e\n\u003cp\u003eCommon reasons for replacement:\u003c\/p\u003e\n\u003cp\u003eDiffuser erosion or scoring from prolonged fluid contact, causing uneven or fan-shaped spray patterns\u003cbr\u003eBall mount wear or sticking that restricts fluid flow adjustment or creates dead spots in coverage\u003cbr\u003eCorrosion or material buildup on diffuser surfaces, reducing atomization efficiency\u003cbr\u003eImproper spray pattern or pulsing during application, indicating internal component degradation\u003cbr\u003eManufactured to OEM-equivalent dimensions for proper fit and performance. Compatible Graco equipment models are listed in the Compatible Equipment section below, where available.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eComparable to GRACO® 4426-G\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003e\u003cb\u003eNOTES:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eGRACO®, PerfomAA™, Merkur™ and Reverse-A-Clean® (RAC) Tip are registered trademarks of GRACO®, and the same company may claim unregistered trademark rights in other words. The advertised parts are intended to fit GRACO®, PerfomAA™, Merkur™ and Reverse-A-Clean® (RAC) Tip spray equipment. They are not, however, manufactured, endorsed, or sponsored by GRACO® or any of their affiliates, and no warranty by GRACO®, or any of their affiliates applies. Total Finishing Solutions, LLC is not affiliated with or sponsored or endorsed by GRACO® and is not one of their authorized distributors.\u003c\/div\u003e","brand":"Bedford","offers":[{"title":"Default Title","offer_id":50483147768056,"sku":"20-2392","price":81.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/8174\/6820\/files\/20-2392__07262.1711569692.1280.1280.webp?v=1789074312","url":"https:\/\/totalfinishingsupplies.com\/products\/aftermarket-graco%c2%ae-4426-g-gun-repair-kit-includes-g-thread-diffuser-7-8-ball-holder-non-oem","provider":"Total Finishing Supplies","version":"1.0","type":"link"}