Stainless Steel Exhaust Elbow – Fits Yanmar 4LH/4LHA/6LP/6LPA/8LV Series (Replaces 119773-13501)
Stainless Steel Exhaust Elbow – Fits Yanmar 4LH/4LHA/6LP/6LPA/8LV Series (Replaces 119773-13501) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Stainless Steel Exhaust Elbow – Fits Yanmar 4LH/4LHA/6LP/6LPA/8LV S...
Product Details
This high-quality Stainless Steel Exhaust Elbow fits Yanmar 4LH/4LHA/6LP/6LPA/8LV Series engines, providing a durable, corrosion-resistant replacement for the original component. It is engineered for a precise fit on a wide range of Yanmar diesel marine engines, including 4LH-STE, 4LHA-HTE, 6LP-DTE, and 8LV-370 models, ensuring reliable performance in demanding marine environments.
This part directly replaces Yanmar OEM part numbers 119773-13500, 119773-13501, and 119773-13510.
- Features a direct bolt-on design for straightforward installation.
- Constructed from investment-cast INOX stainless steel for maximum service life.
- Connects the engine manifold to the exhaust hose system.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yanmar | 119773-13500 |
| Yanmar | 119773-13501 |
| Yanmar | 119773-13510 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This component is designed for the following Yanmar Marine Engines.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Yanmar | 4LH-STE, 4LH-YA | 4-Stroke | 119773-13501 | |
| Yanmar | 4LHA-HTE, 4LHA-DTE, 4LHA-HTP, 4LHA-DTP, 4LHA-STP | 4-Stroke | 119773-13501 | |
| Yanmar | 4LHA-STZE, 4LHA-STZP, 4LHA-DTZE, 4LHA-DTZEP, 4LHA-HTZE, 4LHA-HTZEP | 4-Stroke | 119773-13501 | |
| Yanmar | 6LP-DTE, 6LP-STE, 6LP-STC2 | 4-Stroke | 119773-13501 | |
| Yanmar | 6LPA-STP, 6LPA-DPT, 6LPA-DTP | 4-Stroke | 119773-13501 | |
| Yanmar | 6LPA-STZP, 6LPA-DTZP, 6LPA-STZE, 6LPA-STZEP, 6LPA-DTZE, 6LPA-DTZEP | 4-Stroke | 119773-13501 | |
| Yanmar | 4LV-150, 4LV-170, 4LV-195, 4LV-230, 4LV-250 | 150-250 | 4-Stroke | 119773-13501 |
| Yanmar | 8LV-320, 8LV-350, 8LV-370, 8LV-320Z, 8LV-370Z | 320-370 | 4-Stroke | 119773-13501 |
Technical Specs
- Product Type
- Marine Exhaust Elbow
- Installation
- Direct bolt-on replacement
- Fuel Type
- Diesel
- Connection
- Manifold-to-exhaust hose
- Housing Material
- INOX Stainless Steel
- Housing Color
- Silver/Metallic
- Dimensions
- Length: 27.5 cm, Width: 16.0 cm, Height: 12.5 cm
- Weight
- 1.85 kg (4.08 lb)
- Fitting Type
- Flange to manifold, hose connection for exhaust
- Inlet Size
- 1-1/4" (31.75 mm)
- Outlet Size
- 4" (101.60 mm)
- Operating Temperature
- Designed for marine exhaust temperatures
- Other Technical Attributes
- Investment cast using lost wax technique with CNC machining for precision
What’s in the Box
- 1 x Stainless Steel Exhaust Elbow (MAR119773-13501INOX)
Installation Notes
- Ensure the engine is completely cool and disconnect the boat's battery.
- Drain the exhaust system as needed to avoid water spills.
- Carefully remove the old exhaust elbow by unbolting it from the manifold and detaching the exhaust hose.
- Thoroughly clean the mating surface on the exhaust manifold to remove any old gasket material or corrosion.
- Position the new exhaust elbow, using a new gasket (sold separately) to ensure a perfect seal.
- Securely fasten the mounting bolts to the manufacturer's recommended torque specifications.
- Re-attach the exhaust hose and secure it firmly with appropriate marine-grade clamps.
- Reconnect the battery, start the engine, and meticulously check for any exhaust gas or water leaks around the new installation.
Troubleshooting & FAQ
Will this elbow fit my specific Yanmar engine model?
This part is compatible with Yanmar 4LH, 4LHA, 6LP, 6LPA, and 8LV series engines. Please check the "Engine & Model Compatibility" table for your exact model. Always verify by comparing the photos and specifications against your old part before ordering.
What are the signs that my current exhaust elbow needs replacement?
Common signs of a failing exhaust elbow include external rust streaks, water leaks (especially around the flange or casting), engine overheating, reduced engine power, or excessive smoke. A physical inspection may also reveal cracks or blockages.
How does this stainless steel elbow compare to the original cast iron part?
This elbow is crafted from INOX stainless steel, which offers significantly better resistance to corrosion and heat degradation compared to traditional cast iron. This makes it a superior long-term solution, particularly for vessels operating in saltwater.
What is the recommended replacement interval for this part?
While stainless steel extends service life, we recommend inspecting the elbow as part of your annual engine maintenance. In harsh saltwater environments, more frequent checks are prudent. Replace the component at the first indication of leaks, cracks, or performance issues.
Do I need to purchase a new gasket or hardware separately?
Yes. The package contains the exhaust elbow only. Gaskets, mounting bolts, and hose clamps are not included and should be sourced separately to ensure a secure, leak-free installation. It is always best practice to use a new gasket when replacing this part.
What causes premature failure of a marine exhaust elbow?
The primary cause is internal corrosion from the mixture of hot exhaust gases and raw cooling water. Over time, this mixture can eat away at the metal. Blockages in the exhaust line or a faulty anti-siphon valve can also trap water inside the elbow, accelerating corrosion even when the engine is off.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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