{"product_id":"9-33303-mercruiser-fuel-injector-seal-kit-rec9-33303-for-gm-v-8-engines-recmar-aftermarket-replacement","title":"9-33303 Aftermarket Mercruiser Fuel Injector Seal Kit | Sawley’s Select Marine Parts","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Sawley's Select Marine Parts Aftermarket MerCruiser Fuel Injector Seal Kit - Part Number: 9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A new aftermarket replacement fuel injector seal kit for MerCruiser V8 MPI engines using the 805225A1 \/ 9-33100 injector family. This seal kit is used on selected MCM, MIE, Ski and high-performance GM V8 350, 377, 454 and 502 MPI fuel-injection systems where the injector seal diagram specifies 9-33303.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Sawley's Select Marine Parts aftermarket injector seal kit\n\u003c\/p\u003e\n\u003cp\u003e\n • Replaces Mallory 9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • Recmar aftermarket reference REC9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • Used with MerCruiser injector 805225A1 \/ 9-33100 family\n\u003c\/p\u003e\n\u003cp\u003e\n • Cross-references with Sierra 18-7696 and Walker WK-17056\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 9-33303 Mallory fuel injector seal kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n • REC9-33303 Recmar aftermarket fuel injector seal kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 18-7696 Sierra-style fuel injector seal kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • 933303\n\u003c\/p\u003e\n\u003cp\u003e\n • REC9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • 805225A1 related MerCruiser injector\n\u003c\/p\u003e\n\u003cp\u003e\n • 805226A1 related injector reference in replacement data\n\u003c\/p\u003e\n\u003cp\u003e\n • 3855194 related Recmar \/ GM marine injector reference in replacement data\n\u003c\/p\u003e\n\u003cp\u003e\n • 9-33100 related Mallory injector\n\u003c\/p\u003e\n\u003cp\u003e\n • 18-7696 related Sierra seal kit reference\n\u003c\/p\u003e\n\u003cp\u003e\n • Fuel injector seal kit\n\u003c\/p\u003e\n\u003cp\u003e\n • Injector O-ring kit\n\u003c\/p\u003e\n\u003cp\u003e\n • MPI injector seal kit\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Recmar: REC9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • Mallory: 9-33303\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-7696\n\u003c\/p\u003e\n\u003cp\u003e\n • Walker: WK-17056\n\u003c\/p\u003e\n\u003cp\u003e\n • Replacement seal kit for MerCruiser injector 805225A1 \/ 9-33100\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser GM V8 MPI fuel systems using injector 805225A1\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 350 Black Scorpion Ski Gen+ V8 - 1997-2001, serial 0K040001 to 0M391599\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser MX 6.2L Black Scorpion Ski 377 V8 - 2001-2003, serial 0L005601 to 0M391599\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser MX 6.2L Black Scorpion Ski 377 V8 - 2003-2009, serial 0M391750 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag EFI 454 V8 - 1994-1996, serial 0F115700 to 0F802349\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag EFI Ski 454 V8 - 1994-1996, serial 0F215800 to 0F820099\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag EFI Ski 454 V8 - 1996-1997, serial 0F820099 to 0K999999\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag MPI 454 V8 - 1996-1997, serial 0F802350 to 0K147349\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag MPI 454 V8 - 1997-1998, serial 0K147350 to 0L085399\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 454 Mag MPI Horizon MIE 454 V8 - 1998, serial 0L002200 to 0L086049\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 7.4L MPI MIE 454 V8 - 1995-1996, serial 0F563052 to 0K147349\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 7.4L MPI MIE 454 V8 - 1997, serial 0K147350 to 0K999999\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 7.4LX MPI 454 V8 - 1996, serial 0F602010 to 0K147349\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 7.4LX MPI 454 V8 - 1997, serial 0K147350 to 0K999999\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 502 EFI Gen V 502 V8 - serial 0D840650 to 0F802599\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 502 Mag MPI Gen VI 502 V8 - serial 0F802600 to 0K999999\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 502 Mag MPI Bravo Gen VI 502 V8 - serial 0L017000 to 0L085432\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 525 EFI - serial 0M900146 to 0M953619\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 525 EFI - serial 0M953620 to 0M956326\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 525 EFI - serial 0M956327 to 0M962885\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 525 EFI - serial 0M962886 and up\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: engine-variant dependent\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: MerCruiser GM V8 petrol MPI fuel injector sealing system\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: approximately 1994 onward depending on engine family\n\u003c\/p\u003e\n\u003cp\u003e\n • Serial Note: Match by exact MerCruiser serial number, injector 805225A1 \/ 9-33100 family, fuel rail, O-ring groove profile and seal kit diagram before installation.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The fuel injector seal kit seals the injector into the fuel rail and intake manifold, helping maintain fuel pressure and preventing fuel vapour or liquid leakage.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs replacement is needed:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Fuel smell near intake or fuel rail\n\u003c\/p\u003e\n\u003cp\u003e\n • Fuel seepage at injector body\n\u003c\/p\u003e\n\u003cp\u003e\n • Rough idle after injector service\n\u003c\/p\u003e\n\u003cp\u003e\n • Hard starting after rail removal\n\u003c\/p\u003e\n\u003cp\u003e\n • O-rings cracked, flattened or swollen\n\u003c\/p\u003e\n\u003cp\u003e\n • Fuel rail pressure drop from poor seal\n\u003c\/p\u003e\n\u003cp\u003e\n • Vacuum leak at injector seat\n\u003c\/p\u003e\n\u003cp\u003e\n • Replacement required whenever injectors are removed\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Aftermarket replacement part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Recmar","offers":[{"title":"Default Title","offer_id":53402422313252,"sku":"P729588","price":23.25,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_1a8339a8-ff8c-40d6-996f-f57e8bbec4cb.jpg?v=1777281329","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/9-33303-mercruiser-fuel-injector-seal-kit-rec9-33303-for-gm-v-8-engines-recmar-aftermarket-replacement","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}