Timing Belt – Fits Volvo Penta 230A, 250, 251 Marine Engines (Replaces 463377)
Timing Belt – Fits Volvo Penta 230A, 250, 251 Marine Engines (Replaces 463377) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Timing Belt – Fits Volvo Penta 230A, 250, 251 Marine Engines (Repla...
Product Details
This aftermarket Timing Belt – Fits Volvo Penta 230A, 250, 251 Marine Engines (Replaces 463377) is engineered for 4-cylinder, 4-stroke Volvo Penta marine engines in the 230, 250, and 251 series manufactured between 1989 and 1992. It ensures precise camshaft timing for reliable engine performance.
This component is a direct interchange for Volvo Penta 463377, Orbitrade 12377, Sierra 18-4029, and Continental TB032 part numbers.
- Installation: Engine Camshaft Timing Drive
- Material: Durable rubber with fiber reinforcement
- Tooth Profile: Square tooth design for optimal grip
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 463377 |
| Orbitrade | 12377 |
| Sierra | 18-4029 |
| Continental | TB032 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fitment is for specific Volvo Penta gasoline engines. Verify your model is listed before ordering.
| Brand | Model | Stroke | Years | OEM Part No. |
|---|---|---|---|---|
| Volvo Penta | 230A | 4-Stroke | 1989–1992 | 463377 |
| Volvo Penta | 230B | 4-Stroke | 463377 | |
| Volvo Penta | 250A | 4-Stroke | 463377 | |
| Volvo Penta | 250B | 4-Stroke | 463377 | |
| Volvo Penta | 251A | 4-Stroke | 463377 | |
| Volvo Penta | AQ120B | 4-Stroke | 463377 | |
| Volvo Penta | AQ125A | 4-Stroke | 463377 | |
| Volvo Penta | AQ125B | 4-Stroke | 463377 | |
| Volvo Penta | AQ131A | 4-Stroke | 463377 | |
| Volvo Penta | AQ131B | 4-Stroke | 463377 | |
| Volvo Penta | AQ131C | 4-Stroke | 463377 | |
| Volvo Penta | AQ131D | 4-Stroke | 463377 | |
| Volvo Penta | AQ145A | 4-Stroke | 463377 | |
| Volvo Penta | AQ145B | 4-Stroke | 463377 | |
| Volvo Penta | AQ151A | 4-Stroke | 463377 | |
| Volvo Penta | AQ151B | 4-Stroke | 463377 | |
| Volvo Penta | AQ151C | 4-Stroke | 463377 | |
| Volvo Penta | BB140A | 4-Stroke | 463377 | |
| Volvo Penta | BB145A | 4-Stroke | 463377 |
Technical Specs
- Product Type
- Timing Belt
- Installation
- Engine Camshaft Timing Drive
- Fuel Type
- Gasoline (Petrol)
- Housing Material
- Rubber with Fiber Reinforcement
- Housing Color
- Black
- Weight
- 0.29 lbs (0.13 kg)
- Other Technical Attributes
- Square tooth profile
- Warranty
- 1 Year (Orbitrade brand)
What’s in the Box
- 1 x Timing Belt (463377)
Installation Notes
- Disconnect the battery and ensure the engine is cool.
- Remove accessory drive belts and the timing belt cover.
- Align crankshaft and camshaft timing marks according to the engine service manual.
- Loosen the tensioner pulley and carefully remove the old timing belt.
- Install the new belt, ensuring teeth engage correctly with all sprockets.
- Apply correct tension via the tensioner pulley as per manufacturer specs.
- Rotate the engine manually two full revolutions and re-verify timing marks are aligned.
- Reinstall the timing belt cover and accessory belts.
- Reconnect the battery and test the engine.
Troubleshooting & FAQ
How do I know if my timing belt is failing?
Common signs of a worn timing belt include a ticking noise from the engine, rough idling, misfires, or difficulty starting. Visual inspection may reveal cracks, fraying, or missing teeth on the belt.
What is the recommended replacement interval for this belt?
While factory service intervals vary, a general guideline for marine gasoline engines is to inspect the timing belt every 300-500 hours and replace it every 5-7 years or 1000 hours, whichever comes first. Consult your engine's service manual for specific recommendations.
Is this belt identical to the original Volvo Penta part?
This aftermarket belt is designed to meet or exceed OEM specifications for fit, material, and performance. It features a square tooth profile just like the original, ensuring compatibility and proper function.
Can I install this timing belt myself?
While installation is possible for experienced mechanics, it requires precision. Incorrect timing can cause severe engine damage. We strongly recommend professional installation if you are not familiar with the procedure.
My engine model isn't listed, but the part number matches. Will it fit?
If your old belt's part number is listed in our Part Number Matrix, this belt should fit. However, always double-check by comparing your old part to our product images and specifications to be certain.
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.
Payment & Security
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