Marine Engine Drive Belt – Fits Volvo Penta 2001-2003, MD11/70 Series (Replaces 966906, 958306)
Marine Engine Drive Belt – Fits Volvo Penta 2001-2003, MD11/70 Series (Replaces 966906, 958306) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Marine Engine Drive Belt – Fits Volvo Penta 2001-2003, MD11/70 Seri...
Marine Engine Drive Belt – Fits Volvo Penta 2001-2003, MD11/70 Series (Replaces 966906, 958306) is backordered and will ship as soon as it is back in stock.
Product Details
This Marine Engine Drive Belt – Fits Volvo Penta 2001-2003, MD11/70 Series (Replaces 966906) is engineered for a wide range of Volvo Penta diesel engines. It is compatible with the MD/AQD Series (11–70 HP, 1975–2002), 2000 Series (9–43 HP, 1977–2006), and TAMD/TMD Series (60–70 HP, 1975–1999). This V-belt ensures reliable power transmission for the engine alternator.
It serves as a direct replacement for Volvo Penta part numbers 966906, 958306, 419250, 958351, and 807266, providing a dependable aftermarket alternative.
- Installs as the engine alternator drive belt.
- Designed for use in diesel marine engines.
- Package includes one V-belt.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 966906 |
| Volvo Penta | 958306 |
| Volvo Penta | 419250 |
| Volvo Penta | 958351 |
| Volvo Penta | 807266 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Volvo Penta engines, verify your specific model and production year range. Some models require a specific crankshaft pulley diameter for this belt to fit correctly.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Volvo Penta | 2001, 2001B, 2001AG, 2001BG | 9-23 | 4-Stroke | 1977–2006 | 966906 | Fresh water cooling |
| Volvo Penta | 2002, 2002B, 2002D, 2002AG, 2002BG | 9-23 | 4-Stroke | 1977–2006 | 966906 | Fresh water cooling |
| Volvo Penta | 2003, 2003B, 2003D, 2003AG, 2003BG, 2003T, 2003TB, 2003 SOLAS | 28-43 | 4-Stroke | 1977–2006 | 966906 | Fresh water cooling |
| Volvo Penta | MD11, MD11C, MD11D | 23-25 | 4-Stroke | 1975–1999 | 966906 | |
| Volvo Penta | MD1B, MD2B, AQD2B | 7-11 | 4-Stroke | 1977–1985 | 966906 | AQD2B/MD2B for crankshaft pulley dia 150 mm |
| Volvo Penta | TAMD60A, TAMD60B, TAMD60C | 60 | 4-Stroke | 1985–1999 | 966906 | |
| Volvo Penta | MD70A, MD70B, MD70C | 70 | 4-Stroke | 1975–1990 | 966906 | |
| Volvo Penta | TMD70A, TMD70AB, TMD70B, TMD70C | 70 | 4-Stroke | 1975–1990 | 966906 | |
| Volvo Penta | TAMD70B, TAMD70C, TAMD70D, TAMD70E | 70 | 4-Stroke | 1985–1995 | 966906 |
Technical Specs
- Product Type
- V-Belt
- Installation
- Engine Alternator Drive Belt
- Fuel Type
- Diesel
- Material
- Rubber with Fiber Reinforcement
- Dimensions
- Length: 900 mm (35.43 in)
- Belt Type
- Auto Cogged (AW-15)
- Belt Width
- 11.18 mm (0.44 in)
- Belt Depth
- 7.94 mm (0.31 in)
- Other Technical Attributes
- For crankshaft pulley diameter 150 mm (on certain models)
What’s in the Box
- 1 x V-Belt (966906/958306)
Installation Notes
- Disconnect the battery terminals to prevent accidental starting.
- Locate the alternator and identify the tensioning bolt or mechanism.
- Loosen the tensioner to create slack in the old belt.
- Remove the old belt from the pulleys, noting its routing path.
- Install the new belt, ensuring it is correctly seated in all pulley grooves.
- Re-tension the belt according to the engine manufacturer’s specifications. Proper tension is typically 1/2 inch of deflection with firm thumb pressure.
- Tighten all bolts and fasteners securely.
- Reconnect the battery and run the engine to check for proper belt operation and alignment.
Troubleshooting & FAQ
How can I confirm this belt fits my engine?
The most reliable method is to match your existing part number to one of the direct replacements listed (966906, 958306, etc.). Additionally, cross-reference your specific engine model and year in the compatibility table.
What are the signs of a failing drive belt?
Common signs include high-pitched squealing on startup or during operation, visible cracks or fractions on the belt, frayed edges, or a smooth, glazed appearance on the sides. Any of these symptoms warrant an inspection and likely replacement.
What does the note about "crankshaft pulley dia 150 mm" mean?
For certain models, like the Volvo Penta AQD2B and MD2B, different pulley sizes were used. This belt is specifically for versions of those engines equipped with a 150 mm diameter crankshaft pulley. Measuring your pulley is essential if you have one of these models.
How often should I replace my engine's drive belt?
There is no universal interval, as it depends on engine hours, operating conditions, and age. It is best practice to visually inspect the belt for wear during every routine service and consider proactive replacement every 3-5 years, regardless of appearance.
Is this an OEM Volvo Penta part?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility and batch-inspected for consistency.
What are the shipping speed and cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available for your location.
What is the warranty and return policy?
This part is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its 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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