{"product_id":"mercruiser-1-9l-diesel-injection-pump-o-ring-8m0067212","title":"MerCruiser 1.9L Diesel Fuel Injection Pump O-Ring 8M0067212","description":"\u003ch2\u003eMerCruiser 1.9L Diesel Fuel Injection Pump O-Ring — 8M0067212\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eField\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0067212 \/ 25-8M0067212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury Marine \/ MerCruiser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuel Injection Pump O-Ring (OEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupersedes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone on record\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplaced By\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo supersession on record — verify current Mercury parts catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuel — Injection Pump Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagram Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInjection Pump Assembly, Reference \u003cstrong\u003e#13\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 per injection pump assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePaired Fitting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0066245 (injection pump fitting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e745061190184\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndividually — order 4 for a complete pump service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEngine Family \u0026amp; Compatible Applications\u003c\/h3\u003e\n\u003cp\u003eMercury parts diagrams list 8M0067212 in the injection pump assembly for Volkswagen-based MerCruiser diesel engines. Confirm by engine serial number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMerCruiser 1.9L SDI 40 I4\u003c\/li\u003e\n\u003cli\u003eMerCruiser 1.9L SDI 50 I4\u003c\/li\u003e\n\u003cli\u003eMerCruiser 1.9L SDI 60 I4\u003c\/li\u003e\n\u003cli\u003eMerCruiser 1.9L TDI 40 I4\u003c\/li\u003e\n\u003cli\u003eMerCruiser 1.9L TDI 75 I4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSerial Number \u0026amp; Fitment Notice\u003c\/h3\u003e\n\u003cp\u003eConfirm the engine model and MerCruiser serial number before ordering. Several different O-rings and seals are used within this injection pump assembly — including \u003cstrong\u003e8M0068132\u003c\/strong\u003e — and seals that look similar are not automatically interchangeable. Always match by diagram position and part number, not by appearance.\u003c\/p\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cp\u003eExact O-ring dimensions are not published in the Mercury consumer catalog. For precise cross-reference sizing, consult the Mercury MerCruiser diesel service manual for the applicable 1.9L SDI\/TDI engine.\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhenever an injection pump fitting is removed\u003c\/li\u003e\n\u003cli\u003eVisible fuel seepage around fitting connections\u003c\/li\u003e\n\u003cli\u003eSeal is flattened, hardened, or brittle\u003c\/li\u003e\n\u003cli\u003eCuts, nicks, or surface damage to the O-ring\u003c\/li\u003e\n\u003cli\u003eAny injection pump service that disturbs the original seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmall fuel-system O-rings should not be reused after compression and removal.\u003c\/p\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace at every injection pump disassembly, or whenever fuel seepage is detected at the fitting connections. Do not reinstall a removed O-ring even if it appears undamaged.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClean all sealing surfaces before installing the new O-ring\u003c\/li\u003e\n\u003cli\u003eSeat the O-ring correctly — ensure it is not twisted or pinched\u003c\/li\u003e\n\u003cli\u003eInspect fitting 8M0066245 sealing surfaces while the pump is apart\u003c\/li\u003e\n\u003cli\u003eFour fittings and four O-rings are shown in the assembly diagram (ref #13)\u003c\/li\u003e\n\u003cli\u003eFollow the applicable Mercury MerCruiser diesel service procedure for all fuel-system work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAlternate \u0026amp; Superseded Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M0067212\u003c\/strong\u003e — Mercury \/ MerCruiser OEM number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25-8M0067212\u003c\/strong\u003e — Mercury catalog prefix format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional superseded numbers should be substituted unless confirmed against the engine serial number and current Mercury parts catalog.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many O-rings do I need for a full pump service?\u003c\/strong\u003e\u003cbr\u003e\nA: The injection pump assembly diagram calls for \u003cstrong\u003e4 × 8M0067212\u003c\/strong\u003e O-rings (reference #13) — one per fitting. Order 4 for a complete service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old O-ring if it looks OK?\u003c\/strong\u003e\u003cbr\u003e\nA: No. Fuel-system O-rings take a compression set when installed. Once removed, they should be replaced even if they appear undamaged.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is 8M0068132 the same O-ring?\u003c\/strong\u003e\u003cbr\u003e\nA: No. 8M0068132 is a different seal used elsewhere in the same injection pump assembly. Always match by diagram reference number and part number, not by appearance or location estimate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this fit my SDI or TDI engine?\u003c\/strong\u003e\u003cbr\u003e\nA: This O-ring is listed for both 1.9L SDI and 1.9L TDI MerCruiser diesel engines across 40–75 hp ratings. Verify with your engine serial number and the Mercury parts diagram for your specific model.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M0066245\u003c\/strong\u003e — Injection pump fitting (paired with this O-ring, qty 4 in assembly)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8M0068132\u003c\/strong\u003e — Alternate injection pump seal (different diagram position — not interchangeable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eThis is one of the more commonly missed items during a 1.9L diesel injection pump service — customers often order just one O-ring when the assembly requires four. If you're pulling the injection pump apart, order four of these at the same time. The other common issue is confusing this with \u003cstrong\u003e8M0068132\u003c\/strong\u003e, which is a different seal in the same assembly. Match by diagram position (#13) and part number, not by looks.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43986319638564,"sku":"8M0067212","price":3.14,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/marisolmarine.com\/products\/mercruiser-1-9l-diesel-injection-pump-o-ring-8m0067212","provider":"Marisol Marine Company","version":"1.0","type":"link"}