3092401 Exhaust Mixing Elbow for Yanmar 4LH-STE 4LH-DTE 4ALH-DTE 4ALH-HTE 4ALH-STE 4ALH-TE | JLM Marine

Exhaust Mixing Elbow for Yanmar 4LH-STE, 4LH-DTE, 4ALH-DTE, 4ALH-HTE, 4ALH-STE, 4ALH-TE

This brand-new aftermarket exhaust mixing elbow is engineered for Yanmar marine inboard engines, specifically the 4LH and 4ALH series. Constructed from 316 stainless steel, this elbow offers superior corrosion resistance and durability in harsh marine environments, ensuring reliable exhaust cooling and discharge for your engine.

Direct OEM Replacement: This exhaust elbow replaces Yanmar Marine part number 119181-13500 and SED3092401, providing a cost-effective alternative without sacrificing quality or performance.

• Features a 1-1/4" (32mm) water inlet for efficient cooling water integration
• Includes a 4" (105mm) discharge diameter for optimal exhaust flow
• Weighs 8.125 lbs (3.7 kg) – robust construction for long-term reliability

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket sources.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 × Exhaust Mixing Elbow (316 stainless steel construction)

Installation Guide

1. Safety first: Ensure the engine is completely cool and disconnect the battery before beginning work.
2. Access the exhaust system: Remove engine covers and locate the existing exhaust elbow on your Yanmar engine.
3. Disconnect water hoses: Carefully loosen hose clamps and disconnect the cooling water inlet hose from the old elbow.
4. Remove exhaust connections: Unbolt or disconnect the exhaust outlet from the elbow and any mounting hardware.
5. Extract the old elbow: Remove all fasteners securing the elbow to the exhaust manifold and carefully lift it away.
6. Clean mating surfaces: Thoroughly clean the manifold flange and inspect for damage or corrosion.
7. Install new gasket: Position a new exhaust gasket on the manifold flange (use OEM-spec gasket; not always included).
8. Mount the new elbow: Align the new exhaust elbow with the manifold studs or bolt holes and secure with appropriate fasteners, torquing to manufacturer specifications.
9. Reconnect water inlet: Attach the 1-1/4" cooling water hose to the elbow inlet and secure with new stainless hose clamps.
10. Reconnect exhaust outlet: Attach the exhaust discharge hose to the 4" outlet and tighten clamps firmly.
11. Inspect all connections: Double-check that all bolts, clamps, and hoses are properly secured with no gaps or misalignment.
12. Test run: Reconnect the battery, start the engine, and check for exhaust or coolant leaks; verify proper water flow through the elbow.

Troubleshooting & FAQ

Q: How do I confirm this exhaust elbow fits my Yanmar engine?
A: Cross-reference your engine model with the compatible models listed (4LH-STE, 4LH-DTE, 4ALH-DTE, 4ALH-HTE, 4ALH-STE, 4ALH-TE) and verify your current part number matches 119181-13500 or SED3092401. Always compare physical dimensions and inlet/outlet sizes before purchasing.

Q: How often should I replace the exhaust mixing elbow?
A: Inspect the elbow annually for corrosion, cracking, or coolant leaks. Depending on operating conditions and water quality, replacement is typically needed every 3–7 years. Replace immediately if you notice rust perforation, steam, or coolant mixing with exhaust gases.

Q: What are the signs that my exhaust elbow is failing?
A: Common symptoms include visible coolant leaks at the elbow, white smoke or steam from the exhaust, engine overheating, rust stains around the elbow, or a whistling sound from exhaust gas escaping through corrosion holes.

Q: Do I need a new gasket when installing this elbow?
A: Yes, always use a new exhaust manifold gasket when replacing the elbow to ensure a proper seal. Reusing old gaskets can lead to exhaust leaks and poor performance. Confirm gasket availability separately if not included.

Q: Is this an OEM part or aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.