Exhaust Elbow for Volvo Penta AD30A AQAD30A MD30A TAMD30A TMD30A AD30 AQAD30 MD30 TAMD30 TMD30 MD40A TMD40A TMD40B TMD40C AQD40A TAMD40A TAMD40B AD40B AQAD40A AQAD40B
This exhaust elbow is engineered for Volvo Penta marine inboard engines across the MD30, TMD30, AD30, AQAD30, TAMD30 series as well as the MD40, TMD40, AQD40, TAMD40, AD40, and AQAD40 families. It delivers reliable performance for both naturally aspirated and turbocharged diesel applications.
Direct Replacement for OEM Part Number: Volvo Penta 845261. This exhaust elbow also cross-references with Orbitrade 16261, Sierra Marine 18-4007, Crom 116025, GLM Marine GLM51261, HGE5261, and Sedilmare SED3091000, ensuring broad aftermarket compatibility.
- Manufactured to OEM specifications for dependable fit and durability
- Designed for marine diesel exhaust systems requiring corrosion-resistant materials
- Direct bolt-on replacement simplifies installation
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Volvo Penta Marine |
845261 |
| Orbitrade |
16261 |
| Sierra Marine |
18-4007 |
| Crom |
116025 |
| GLM Marine |
GLM51261 |
| HGE |
HGE5261 |
| Sedilmare |
SED3091000 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
| Volvo Penta |
AD30A |
| Volvo Penta |
AQAD30A |
| Volvo Penta |
MD30A |
| Volvo Penta |
TAMD30A |
| Volvo Penta |
TMD30A |
| Volvo Penta |
AD30 |
| Volvo Penta |
AQAD30 |
| Volvo Penta |
MD30 |
| Volvo Penta |
TAMD30 |
| Volvo Penta |
TMD30 |
| Volvo Penta |
MD40A |
| Volvo Penta |
TMD40A |
| Volvo Penta |
TMD40B |
| Volvo Penta |
TMD40C |
| Volvo Penta |
AQD40A |
| Volvo Penta |
TAMD40A |
| Volvo Penta |
TAMD40B |
| Volvo Penta |
AD40B |
| Volvo Penta |
AQAD40A |
| Volvo Penta |
AQAD40B |
Technical Specifications
| Specification |
Value |
| OEM Number |
845261 |
| Application |
Marine Inboard Diesel Engine Exhaust |
| Quality |
OEM Specification |
Package Contents
Installation Guide
- Ensure the engine is completely cool and disconnect the battery before beginning work. Inspect the old exhaust elbow for corrosion or damage.
- Remove the exhaust hose connections and loosen all fastening clamps or bolts securing the existing elbow. Support the elbow to prevent it from falling.
- Carefully detach the old exhaust elbow from the manifold or turbocharger outlet. Clean all mating surfaces thoroughly to remove carbon deposits and old gasket material.
- Position the new exhaust elbow onto the mounting flange, aligning bolt holes precisely. Insert fasteners finger-tight to ensure correct alignment.
- Torque all mounting bolts to the manufacturer's specification in a crisscross pattern to ensure even sealing pressure. Replace gaskets or O-rings as needed.
- Reconnect exhaust hoses and secure all clamps firmly. Double-check that all connections are seated properly and no gaps exist.
- Reconnect the battery and start the engine, allowing it to reach operating temperature. Inspect all joints for exhaust leaks or unusual sounds.
- If any leaks are detected, shut down immediately and re-torque fasteners or replace sealing components. Confirm proper coolant flow if the system is water-cooled.
Troubleshooting & FAQ
Q: How do I confirm this exhaust elbow fits my Volvo Penta engine?
A: Cross-reference your engine model number with the compatibility table above (MD30, TMD30, AD30, AQAD30, TAMD30, MD40, TMD40, AQD40, TAMD40, AD40, AQAD40 series). You can also verify the OEM part number 845261 against your engine's parts manual or existing component.
Q: How often should I replace the exhaust elbow?
A: Inspect the exhaust elbow annually for corrosion, cracks, or heavy carbon buildup. In saltwater environments, replacement every 3–5 years is common, though severe corrosion may require earlier service. Any visible cracks or persistent exhaust leaks demand immediate replacement.
Q: What are the signs that my exhaust elbow is failing?
A: Watch for exhaust leaks (visible smoke or soot around joints), overheating due to restricted flow, corrosion or pitting on the exterior, and unusual exhaust noise. If you notice coolant mixing with exhaust gases or white smoke, inspect the elbow and related cooling passages immediately.
Q: Can I use this elbow on turbocharged engines?
A: Yes, this exhaust elbow is designed to fit both naturally aspirated and turbocharged Volvo Penta models listed in the compatibility table, including TAMD and TMD series engines. Ensure all gaskets and fasteners are rated for turbo exhaust temperatures.
Q: What is the difference between this aftermarket elbow and the OEM part?
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.