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Stainless Steel Exhaust Elbow – Fits Yanmar 4LH-STE/4LH-DTE/6LP Series (Replaces SED3092401)

Sale price $267.50 Regular price $428.00
Shipping calculated at checkout.

Stainless Steel Exhaust Elbow – Fits Yanmar 4LH-STE/4LH-DTE/6LP Series (Replaces SED3092401) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This Stainless Steel Exhaust Elbow – Fits Yanmar 4LH-STE/4LH-DTE/6LP Series (Replaces SED3092401) is an aftermarket replacement for Yanmar 4LH and 6LP series diesel engines. It is designed to mix engine exhaust gases with cooling water, effectively reducing the temperature of the exhaust before it is discharged from the vessel.

This part offers a direct interchange for Yanmar part numbers 119181-13500 and SED3092401.

  • Designed for a direct bolt-on installation.
  • Constructed with high corrosion resistance for saltwater environments.
  • Includes the exhaust mixing elbow as shown in the images.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.

Brand Part Number
Yanmar 119181-13500
Aftermarket SED3092401

Engine & Model Compatibility

Confirm your engine model in the table below.

This component is verified to fit the following Yanmar engine models.

Brand Model Rated HP Stroke OEM Part No.
Yanmar 4LH-STE 230 4-Stroke 119181-13500
Yanmar 4LH-DTE 190 4-Stroke 119181-13500
Yanmar 6LP-DTE 250 4-Stroke 119181-13500
Yanmar 6LP-STE 300 4-Stroke 119181-13500
Yanmar 6LPA-ST2P 315 4-Stroke 119181-13500
Yanmar 6LPA-DTP 260 4-Stroke 119181-13500

Technical Specs

Product Type
Marine Exhaust Mixing Elbow
Installation
Direct bolt-on replacement
Fuel Type
Diesel
Connection
Flanged mounting
Housing Material
Stainless Steel
Housing Color
Silver/Metallic
Dimensions
Length: 325 mm (12.8"), Width: 190 mm (7.5"), Height: 135 mm (5.3")
Weight
2.11 kg (4.65 lbs)
Fitting Type
Flanged
Other Technical Attributes
High corrosion resistance, designed for saltwater environments

What’s in the Box

  • 1 x Exhaust Mixing Elbow (Replaces 119181-13500/SED3092401)

Installation Notes

  1. Ensure the engine is completely cool and the battery is disconnected. Close the raw water seacock.
  2. Place absorbent pads beneath the old elbow to catch any residual water or coolant.
  3. Carefully detach the exhaust hose and raw water cooling hose from the existing elbow.
  4. Unbolt the old elbow from the exhaust manifold. You may need penetrating oil if bolts are seized.
  5. Thoroughly clean the mating surface on the manifold, removing all old gasket material and corrosion.
  6. Position the new elbow, with a new gasket (not included), onto the manifold.
  7. Tighten the mounting bolts to the manufacturer-specified torque in a crisscross pattern.
  8. Reconnect the raw water hose and the main exhaust hose, ensuring clamps are secure.
  9. Open the seacock, reconnect the battery, and start the engine. Check for any exhaust or water leaks around the new installation.

Troubleshooting & FAQ

How do I confirm this elbow fits my specific engine model?

Your model should be listed in the "Engine & Model Compatibility" table. It is critical to also visually compare our product photos with your existing part before ordering, as variations can exist.

What are common signs that my exhaust elbow needs replacement?

Signs of a failing elbow include engine overheating, steam in the exhaust, water leaks from the housing (especially from pinholes or seams), and reduced engine performance. A blockage can cause excessive backpressure, harming the engine.

How does this stainless steel elbow compare to an OEM cast iron one?

Stainless steel offers superior corrosion resistance compared to traditional cast iron, especially in saltwater. This often leads to a longer service life and better resistance to blockages caused by rust and scale buildup.

Do I need to purchase a separate gasket for installation?

Yes, a new gasket is recommended for a proper seal. This listing is for the elbow only, unless otherwise specified under "What's in the Box."

How often should a marine exhaust elbow be inspected or replaced?

It depends on usage and water conditions (saltwater vs. freshwater). We recommend visual inspection annually for any signs of corrosion, leaks, or blockages. Replacement is typically needed every 3-7 years for cast iron, while stainless steel may last longer.

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.

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