Volvo Penta D12 TAMD121 TAMD164 TAMD165 Exhaust Elbow Gasket 863353
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Part Details
- Part Number: 863353
- Brand: Volvo Penta
- Official Product Type: Exhaust Pipe Elbow Gasket
- Supersedes / Related Numbers: 21411117 • 863442 • 947626 • 479979 • 813644 • 914392 • 981749
- Replaced By: 863353 is the current active part number
- Engine Family: Volvo Penta D12 and TAMD commercial heavy-duty marine diesel
- System: Exhaust / wet-exhaust — seals the exhaust pipe elbow or riser connection at the manifold, turbocharger outlet, or exhaust flange, containing hot exhaust gas and cooling-water exhaust flow
- Kit Contents: One exhaust elbow gasket, supplied individually
Compatible Applications
Fitment is engine-model, exhaust configuration, and serial-number specific. Large commercial Volvo Penta diesels may use different exhaust gaskets depending on turbocharger arrangement, elbow configuration, riser style, and production version. Confirm 863353 in the exhaust system parts diagram for the exact engine.
D12 Series
- D12C-A MP
- D12D-A MH • D12D-A MP
- D12D-B MP
- D12D-C MH • D12D-C MP
- D12D-E MH • D12D-E MP
- D12D-F MP
- D12D-G MH • D12D-G MP
- D12D-H MP
- D12DB MH
TAMD Series
- TAMD121D
- TAMD164C-A
- TAMD165A-A
- TAMD165P-A
Serial Number Fitment Notice
Confirm the complete engine model, serial number, and exhaust system diagram before ordering. D12 and TAMD exhaust layouts can vary by turbocharger arrangement and production version. Use 863353 only where the exhaust system schematic specifically calls for this gasket — do not select by gasket appearance or flange size alone.
Superseded & Cross-Reference Part Numbers
- 863353 — current Volvo Penta OEM number
- 21411117 — related / superseded Volvo Penta reference
- 863442 — related / superseded reference
- 947626 — related / superseded reference
- 479979 — related / superseded reference
- 813644 — related / superseded reference
- 914392 — related / superseded reference
- 981749 — related / superseded reference
- HDI Marine GD12 — aftermarket cross-reference
When This Part Needs Replacement
- Exhaust elbow, riser, or related exhaust flange is removed for any reason
- Exhaust soot visible around the flange joint
- Water staining or salt buildup at the mating surface
- Gasket is crushed, burned, or deteriorated
- Exhaust connection disturbed during turbocharger, riser, manifold, or wet-exhaust service
- Routine overhaul of the exhaust system
Exhaust elbow gaskets on commercial marine diesels operate in a high-heat, high-vibration, wet-exhaust environment. Do not reuse an old exhaust gasket once the joint has been opened.
Installation Notes
Clean both mating surfaces before installation and remove all traces of old gasket material. Inspect the exhaust elbow, flange faces, mounting studs, nuts, and surrounding water passages for corrosion, distortion, or thread damage. Replace corroded studs or nuts rather than reusing them on a high-temperature joint. Follow the Volvo Penta service manual for the correct assembly sequence and torque specification for the specific engine and exhaust configuration. After startup, check the joint carefully for soot, water seepage, or exhaust gas leakage at operating temperature.
Related Parts
- 21411117 — Related / superseded exhaust gasket reference
- 863442 — Related / superseded exhaust gasket reference
- D12 Exhaust Elbow / Riser
- D12 Turbocharger
- TAMD165 Exhaust Components
- D12 Exhaust Manifold
Parts Desk Insight
A leaking exhaust elbow gasket on a D12 or TAMD is hard to miss — exhaust soot or water staining around the joint is usually the first sign. The larger risk is an exhaust gas leak into the engine space, which is both a safety issue and a symptom that needs to be addressed promptly. When the elbow is off, take the time to inspect the mounting studs and flange faces — corroded studs are common on these engines and are much easier to deal with before the elbow goes back on than after. The number of superseded part numbers (seven cross-references) is a sign of how long this engine family has been in service — any of those numbers will pull up 863353 as the current part if you’re searching from an older diagram.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
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