{"product_id":"volvo-894","title":"Volvo Penta D4-300 Turbocharger 3887963","description":"\u003ch2\u003eVolvo Penta D4-300 Turbocharger 3887963\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3887963\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta\u003cbr\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Turbocharger Assembly (OEM new)\u003cbr\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e D4-300\u003cbr\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 3.67L\u003cbr\u003e\n\u003cstrong\u003eEngine Output:\u003c\/strong\u003e 221 kW \/ 300 hp\u003cbr\u003e\n\u003cstrong\u003eTurbo Family:\u003c\/strong\u003e BorgWarner K26\u003cbr\u003e\n\u003cstrong\u003eBorgWarner References:\u003c\/strong\u003e 53269987105 \/ 53269707105\u003cbr\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Inlet and Exhaust \/ Charge Air\u003cbr\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 1 per engine\u003cbr\u003e\n\u003cstrong\u003eApproximate Weight:\u003c\/strong\u003e 9 kg\u003cbr\u003e\n\u003cstrong\u003eRemanufactured Alternative:\u003c\/strong\u003e 3801173 (Volvo Penta reman — same diagram position)\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat This Part Is\u003c\/h3\u003e\n\u003cp\u003eThe 3887963 is the exhaust-driven turbocharger assembly for the Volvo Penta D4-300 3.67L marine diesel engine. It is positioned in the engine’s inlet and exhaust system and is directly installed with the exhaust manifold, intake manifold, oil feed and return connections, and associated turbocharger gaskets. This is the \u003cstrong\u003enew OEM unit\u003c\/strong\u003e. A Volvo Penta remanufactured option is available under \u003cstrong\u003e3801173\u003c\/strong\u003e at the same diagram position.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDo not select this turbocharger by D4 displacement alone. Volvo Penta D4-180, D4-210, D4-225, and D4-260 engines use different turbocharger part numbers. Confirm the exact D4-300 model and serial number before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cp\u003eConfirm engine model, serial number, existing turbocharger part number, and Volvo Penta inlet\/exhaust-system diagram before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta D4-300A-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300A-C\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300A-D\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300A-E\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300A-F\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300D-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300D-C\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300D-D\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300D-E\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300D-F\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300I-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300I-C\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300I-D\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300I-E\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D4-300I-F\u003c\/li\u003e\n\u003cli\u003eSelected B-series D4-300A, D4-300D, and D4-300I variants (confirm by serial number)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSerial Number Notice\u003c\/h3\u003e\n\u003cp\u003eVolvo Penta used different turbocharger assemblies across the D4 engine range. The D4-260 and other D4 output ratings use separate turbocharger numbers. 3887963 is specifically associated with the D4-300 300 hp family. Always verify the existing turbocharger part number and engine serial number before ordering — do not cross-order between D4 output variants.\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExcessive shaft play or bearing noise confirmed by diagnosis\u003c\/li\u003e\n\u003cli\u003eCompressor or turbine wheel damage (contact, chipping, or erosion)\u003c\/li\u003e\n\u003cli\u003ePersistent oil leakage through the turbocharger seals\u003c\/li\u003e\n\u003cli\u003eLoss of boost pressure confirmed by charge-air system diagnosis\u003c\/li\u003e\n\u003cli\u003eAbnormal turbocharger noise (whining, grinding, or intermittent surge)\u003c\/li\u003e\n\u003cli\u003eCompressor or turbine housing damage\u003c\/li\u003e\n\u003cli\u003eMajor internal corrosion or shaft seizure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSeveral engine, fuel, exhaust, and charge-air faults can produce symptoms similar to turbocharger failure. Complete the full system diagnosis before ordering a replacement turbocharger.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore installation, inspect and clean all oil-feed and return connections, oil passages, and related oil lines — a blocked or restricted oil feed is the leading cause of premature turbocharger failure\u003c\/li\u003e\n\u003cli\u003eInspect and replace all exhaust mating-surface gaskets at the turbine inlet and outlet\u003c\/li\u003e\n\u003cli\u003eCheck the intake plumbing and charge-air intercooler for contamination from the failed turbo (oil carry-over is common)\u003c\/li\u003e\n\u003cli\u003ePrime the turbocharger with clean engine oil through the oil feed port before initial startup — follow the Volvo Penta D4 service procedure for turbocharger installation\u003c\/li\u003e\n\u003cli\u003eDo not run the engine at high load immediately after turbocharger replacement — allow the bearings to seat at idle before load application\u003c\/li\u003e\n\u003cli\u003eInspect and replace the air filter if turbocharger failure produced debris ingestion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated System Components\u003c\/h3\u003e\n\u003cp\u003eVolvo Penta D4-300 inlet\/exhaust diagrams show the following components installed with or adjacent to 3887963:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131483336740\"\u003eVolvo Penta Turbocharger Plane Gasket 22206133\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131483697188\"\u003eVolvo Penta Boost Pressure Sensor 22320906 — D3 D4 D6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131491889188\"\u003eVolvo Penta Exhaust Hose 3584167 — D4 DPH \/ DPR \/ DPI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eGasket 3583336\u003c\/li\u003e\n\u003cli\u003eGasket 3582725\u003c\/li\u003e\n\u003cli\u003eGasket 947627\u003c\/li\u003e\n\u003cli\u003eBanjo fitting 858750\u003c\/li\u003e\n\u003cli\u003eHollow screw 969299\u003c\/li\u003e\n\u003cli\u003eExhaust manifold 3841197\u003c\/li\u003e\n\u003cli\u003eIntake manifold 3808941\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Number Cross-Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew OEM:\u003c\/strong\u003e 3887963\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanufactured equivalent:\u003c\/strong\u003e 3801173 (Volvo Penta reman — same diagram position)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier reference numbers:\u003c\/strong\u003e 3835914, 3829638\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBorgWarner (new):\u003c\/strong\u003e 53269987105\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBorgWarner (reman):\u003c\/strong\u003e 53269707105\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 3887963 and 3801173?\u003c\/strong\u003e\u003cbr\u003eA: 3887963 is the new OEM turbocharger. 3801173 is the Volvo Penta remanufactured equivalent, shown at the same diagram position on D4-300 engines. Both are factory-authorized options — the reman unit is typically more cost-effective for a running engine with low-hour mileage remaining on the drive package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this turbocharger fit a D4-260?\u003c\/strong\u003e\u003cbr\u003eA: No. The D4-260 uses a different turbocharger part number. 3887963 is specifically the D4-300 unit. Ordering by D4 displacement alone will result in the wrong part. Always verify using the exact engine model suffix (300 vs 260) and engine serial number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes D4-300 turbocharger failure?\u003c\/strong\u003e\u003cbr\u003eA: The most common causes are oil starvation (blocked feed line, low oil level, extended oil change intervals), oil contamination, foreign object ingestion through the air intake, and coolant contamination. Identify and correct the root cause before installing a replacement to avoid repeat failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to replace the turbo gaskets when replacing the turbocharger?\u003c\/strong\u003e\u003cbr\u003eA: Yes. All exhaust-side gaskets at the turbine inlet and outlet should be replaced during turbocharger installation. Reusing compressed or heat-cycled gaskets on a high-pressure exhaust connection risks an exhaust leak after reassembly.\u003c\/p\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Order 3887963 when diagnosis has confirmed turbocharger bearing or wheel failure on a Volvo Penta D4-300 and the engine serial number and model suffix have been verified as D4-300. For budget-sensitive applications with low remaining hours, the Volvo Penta reman unit (3801173) is worth considering as an alternative.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon issues:\u003c\/strong\u003e The most frequent mistake is ordering by D4 displacement without confirming the output rating — D4-260 and other D4 variants use different turbochargers that are not interchangeable with 3887963. A second common issue is replacing the turbocharger without diagnosing and correcting the root cause of failure: a new turbocharger installed into a system with a blocked oil feed line, contaminated oil, or debris in the intake will fail prematurely for the same reason.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131483336740\"\u003eVolvo Penta Turbocharger Plane Gasket 22206133\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131483697188\"\u003eVolvo Penta Boost Pressure Sensor 22320906 — D3 D4 D6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131482452004\"\u003eVolvo Penta Raw Water Pump Impeller Kit 21951346 — D4 \/ D6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131488481316\"\u003eVolvo Penta Cooling Water Hose 24509844 — D4 \/ D6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131491889188\"\u003eVolvo Penta Exhaust Hose 3584167 — D4 DPH \/ DPR \/ DPI\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43564037373988,"sku":"3887963","price":5790.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/7ff6d239-6284-4e7b-baa7-7b84be9c6598.png?v=1788669945","url":"https:\/\/marisolmarine.com\/products\/volvo-894","provider":"Marisol Marine Company","version":"1.0","type":"link"}