{"product_id":"16700-zz5-003-mechanical-fuel-pump-21fp010","title":"16700-ZZ5-003 Mechanical Fuel Pump Assembly","description":"\u003ch2\u003eMechanical Fuel Pump — Compatible with select Honda BF40D \/ BF50D Four-Stroke\u003c\/h2\u003e\n\u003ch3\u003eWhich pump is this?\u003c\/h3\u003e\n\u003cp\u003eThis is Honda 16700-ZZ5-003, the mechanical fuel-pump assembly for D-generation BF40D and BF50D four-stroke outboards. Compatible with the two rows in the table: BF40D from VIN BBDJ-1000001 up, BF50D from BBEJ-1000001 up (about 2007 onward, including DK2 \/ DK4 VIN notes in the workbook). It is not the A-generation cylinder-head pump 16700-ZV5-003 \/ 16700-ZW1-004 used on BF25A–BF90A (21FP011). A 40 HP Honda badge is not enough — BF40A and BF40D take different pumps. Cross-ref 18-35304 on some internal tables belongs to a small Suzuki \/ Yamaha pump family, not this Honda D-gen pump.\u003c\/p\u003e\n\u003ch3\u003eSigns yours is due\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBF40D \/ BF50D four-stroke cranks long when hot, then runs once primed — D-gen mechanical pump diaphragm tired.\u003c\/li\u003e\n\u003cli\u003eFuel smell at the cylinder-head pump on a D-series cowling (look for BF40D \/ BF50D, not BF40A).\u003c\/li\u003e\n\u003cli\u003eVIN starts BBDJ or BBEJ 1000001 up and the old stamp is 16700-ZZ5-003.\u003c\/li\u003e\n\u003cli\u003eNot an electric feed pump 16735-ZY3 on larger EFI Honda, and not BF60 16700-ZZ3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWill it fit?\u003c\/h3\u003e\n\u003cp\u003eCompatible with Honda BF40D and BF50D only, as in the table. VIN-style starts: BBDJ-1000001 up for BF40D, BBEJ-1000001 up for BF50D. DK2 \/ DK4 bands are noted in the workbook. BF40A \/ BF50A \/ BF25A–90A use 16700-ZV5 \/ ZW1 (21FP011). BF8–20 use 16700-ZW9. BF60 uses 16700-ZZ3. Do not order this SKU for those.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine horsepower alone does not prove fit.\u003c\/strong\u003e Match the number stamped on the pump you remove to the OEM column.\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eSerial\u003c\/th\u003e\n\u003cth\u003eHP\u003c\/th\u003e\n\u003cth\u003eOEM no.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with Honda\u003c\/td\u003e\n\u003ctd\u003eBF40D\u003c\/td\u003e\n\u003ctd\u003e2007–2019\u003c\/td\u003e\n\u003ctd\u003eBBDJ-1000001\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e16700-ZZ5-003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with Honda\u003c\/td\u003e\n\u003ctd\u003eBF50D\u003c\/td\u003e\n\u003ctd\u003e2007–2019\u003c\/td\u003e\n\u003ctd\u003eBBEJ-1000001\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003ctd\u003e16700-ZZ5-003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eEvery row is from this SKU fitment workbook (2 rows after empty-line filter). Same horsepower name shipped different pumps.\u003c\/p\u003e\n\u003ch3\u003eOEM and swap numbers\u003c\/h3\u003e\n\u003cp\u003eOEM \/ predecessor numbers keep the engine-brand column. Aftermarket cross-refs are numbers only.\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eClass\u003c\/th\u003e\n\u003cth\u003ePart no.\u003c\/th\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003e16700-ZZ5-003\u003c\/td\u003e\n\u003ctd\u003eCompatible with Honda\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWrong part\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNOT 16700-ZV5-003 \/ 16700-ZW1-004 — A-generation BF25–90 (21FP011).\u003c\/li\u003e\n\u003cli\u003eNOT 18-35304 — that number is a small Suzuki \/ Yamaha pump family, not Honda D-gen.\u003c\/li\u003e\n\u003cli\u003eNOT 16700-ZW9 (BF8–20), 16700-ZZ3 (BF60), or 16700-ZY9 (BF75D \/ 90D).\u003c\/li\u003e\n\u003cli\u003eNOT electric feed pump 16735-ZY3. NOT a fuel-filter cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat ships\u003c\/h3\u003e\n\u003cp\u003eOne complete mechanical fuel-pump assembly 16700-ZZ5-003. No filter, no extra hose.\u003c\/p\u003e\n\u003ch3\u003eOften replaced together\u003c\/h3\u003e\n\u003cp\u003eA-generation BF25–90 pump is 21FP011. BF8–20 Honda pump is 16700-ZW9-003 (different family, not this page).\u003c\/p\u003e\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003eRead BF40D vs BF40A on the cowl and the VIN on the transom bracket. Photograph the head-mounted pump hoses. Replace the gasket, align any pulse \/ fuel ports, and snug evenly — these small Honda pumps warp if over-torqued. Prime, leak-check, idle on muffs. If the old stamp is 16700-ZV5, you want 21FP011, not this page.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my Honda 40 HP?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOnly BF40D (D-generation, VIN BBDJ-1000001 up). BF40A uses 16700-ZV5 (21FP011).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs 18-35304 the same?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. That number is a different small-engine family. This page is Honda 16700-ZZ5-003 only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBF50A?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. BF50D only. A-generation is 21FP011.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOld title said fuel filter.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTemplate error. Mechanical fuel pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat ships?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne 16700-ZZ5-003 pump. Not a filter, not the A-generation ZV5 pump.\u003c\/p\u003e\n\u003ch3\u003ePlease note\u003c\/h3\u003e\n\u003cp\u003eAftermarket fuel pump by GHMarine. Not affiliated with the engine brands named above. «Compatible with», «Replaces», and cross-ref numbers mean this part is built to work like the originals listed — always confirm the stamp on the removed pump, the engine model, and the serial range before you order. This page is the pump only, not a multi-part kit.\u003c\/p\u003e","brand":"GHMarine","offers":[{"title":"Default Title","offer_id":51797490073846,"sku":"21FP010","price":55.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/5781\/8102\/files\/ghm_21FP010_03.jpg?v=1791336594","url":"https:\/\/gh-marine.com\/products\/16700-zz5-003-mechanical-fuel-pump-21fp010","provider":"GH Marine","version":"1.0","type":"link"}