Exhaust Elbow – Fits Volvo Penta TMD40 MD30 AQD40 (Replaces 845261)

Product Details

This Exhaust Elbow – Fits Volvo Penta TMD40 MD30 AQD40 (Replaces 845261) is a direct-replacement exhaust component designed for Volvo Penta marine inboard engines including the AD30, AQAD30, MD30, TAMD30, TMD30, MD40, TMD40, AQD40, TAMD40, AD40, and AQAD40 series. Engineered to handle exhaust routing in demanding marine environments, this elbow ensures reliable operation across a broad range of Volvo Penta models.

This aftermarket exhaust elbow directly replaces Volvo Penta Marine 845261, Orbitrade 16261, Sierra Marine 18-4007, Crom 116025, GLM Marine GLM51261, HGE5261, and Sedilmare SED3091000.

• Manufactured to OEM specifications for precise fit and durability
• Compatible with multiple Volvo Penta inboard engine families
• Direct bolt-on replacement requiring no modifications

Part Number Matrix

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

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Technical Specs

OEM Reference

845261

Material

Marine-grade construction

Application

Exhaust routing for Volvo Penta inboard engines

Fitment Type

Direct replacement

What's in the Box

• Exhaust Elbow

Installation Notes

1. Disconnect battery and allow the engine and exhaust system to cool completely before beginning work.
2. Remove hose clamps and disconnect exhaust hoses from the old elbow, noting their orientation.
3. Unbolt the existing exhaust elbow from the engine manifold or mounting points.
4. Inspect gasket surfaces and remove old gasket material; replace gaskets as needed.
5. Position the new exhaust elbow onto the manifold, ensuring proper alignment with all mounting holes.
6. Install mounting bolts hand-tight, then torque evenly to manufacturer specifications.
7. Reconnect exhaust hoses using new clamps if originals show wear or corrosion.
8. Verify all connections are secure and properly oriented to prevent exhaust leaks.
9. Reconnect battery and run engine briefly while checking for leaks or abnormal exhaust flow.

Troubleshooting & FAQ

How do I confirm this fits my Volvo Penta engine?

Cross-reference your engine model with the compatibility table above and verify your current part number matches 845261 or one of the listed equivalents. If your engine model appears in the list but you're uncertain, compare physical dimensions and mounting points before purchasing.

What are the signs that my exhaust elbow needs replacement?

Common symptoms include visible corrosion or cracking, exhaust leaks at the elbow joints, water intrusion into the engine, abnormal exhaust noise, or overheating. Marine exhaust components typically require inspection and replacement every 3–5 years depending on usage and water quality.

Do I need to replace gaskets when installing this elbow?

Yes, always use new gaskets when replacing exhaust components to ensure a proper seal and prevent exhaust or coolant leaks. Reusing old gaskets can lead to failure even with a new elbow.

Can I install this myself or do I need a marine technician?

If you have mechanical experience and the proper tools, installation is straightforward. However, improper installation can result in exhaust leaks, coolant contamination, or engine damage. Professional installation is recommended if you're unfamiliar with marine exhaust systems.

What's the difference between this and the original Volvo Penta part?

This is an aftermarket replacement manufactured to OEM specifications using comparable materials and tolerances. It provides the same fit and function as the original 845261 at a more accessible price point, with production in an ISO 9002 certified facility.

Will this work with saltwater or freshwater applications?

Yes, this exhaust elbow is suitable for both saltwater and freshwater marine environments. However, saltwater accelerates corrosion, so more frequent inspections and maintenance are recommended for saltwater use.

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 against 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.