{"product_id":"high-capacity-6-inch-replacement-transmission-filter-kit-heavy-duty","title":"High Capacity 6 Inch Replacement Transmission Filter Kit - Heavy Duty","description":"\u003cp\u003eIn this review of the High Capacity 6 Inch Replacement Transmission Filter Kit, the bottom line is simple: this kit is for technicians and fleet owners who need a direct, reliable replacement for Allison 3000 and 4000 series transmissions. The reviewer found the kit notable for its complete contents and OEM-compatible fit, which makes a routine transmission service straightforward. Built to ISO standards and made in USA, the kit promises durability and fluid compatibility that matter most when addressing heavy-use, vocational vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect interchange:\u003c\/strong\u003e Comes compatible with FLEETGUARD P\/N HF28943 so the filter fits Allison 3000-4000 transmissions in the same form and function.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes two filters plus all required gaskets and o-rings so a full filter change can be completed without sourcing additional parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity media:\u003c\/strong\u003e The glass product media and Beta ratio of 200\/20.7 deliver improved particle retention for longer fluid life under heavy duty conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO-built quality:\u003c\/strong\u003e Manufactured to several ISO specifications for dirt capacity, flow fatigue and fluid compatibility, which supports consistent performance across service intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Domestic production with strict quality control reduces the risk of manufacturing defects and supports parts traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is aimed at fleet maintenance shops, owner-operators, and mechanics who service Allison 3000 and 4000 transmissions and want an OEM-compatible replacement that includes everything for a complete change. It is best for heavy duty trucks and vocational equipment that benefit from a higher capacity filter and attention to contamination control.\u003c\/p\u003e\u003cp\u003eCustomers who need a one-off, non-Allison application or who require a different micron rating should look elsewhere, since this kit is specified for transmissions compatible with the HF28943 interchange and a 20 micron performance target.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement compatibility reduces fitment guesswork and installation time.\u003c\/li\u003e\n\u003cli\u003eTwo filters plus gaskets and o-rings provide a full service solution in one purchase.\u003c\/li\u003e\n\u003cli\u003eManufactured to ISO standards and made in USA for reliable quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMicron rating and Beta ratio are fixed to this media type, so users needing a different filtration level must choose another product.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBig Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Part\u003c\/td\u003e\n\u003ctd\u003eFLEETGUARD P\/N HF28943\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Media\u003c\/td\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e5.98 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOD Top \/ Bottom\u003c\/td\u003e\n\u003ctd\u003e3.21 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicron Rating \/ Beta\u003c\/td\u003e\n\u003ctd\u003e20 micron \/ 200\/20.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe High Capacity 6 Inch Replacement Transmission Filter Kit is a sensible choice for anyone servicing Allison 3000-4000 transmissions who wants a complete, OEM-compatible kit built to ISO standards. It delivers good value through included gaskets and o-rings, proven filter media and domestic manufacture, making it well suited to fleet and heavy duty service environments.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this kit a direct replacement for Fleetguard HF28943?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is compatible in fit, form and function with FLEETGUARD P\/N HF28943.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many filters are included?\u003c\/strong\u003e\u003cbr\u003eThe kit includes two filters plus all required gaskets and o-rings for a complete change.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat fluids is the filter compatible with?\u003c\/strong\u003e\u003cbr\u003eThe filter is specified for HH, HL, HM and HV fluid types and is manufactured to relevant ISO specifications for fluid compatibility.\u003c\/p\u003e","brand":"Big Filter","offers":[{"title":"Default Title","offer_id":48186268582107,"sku":"B078P1B8Z1","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dSMhIrNfL._SL1400_12ecdcd7-054d-4a32-a53d-adb136d8eb4c.jpg?v=1769454330","url":"https:\/\/gearmusthave.com\/products\/high-capacity-6-inch-replacement-transmission-filter-kit-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}