Bellows Kit – Fits Volvo Penta DPH-A Drive (Replaces 21132674)
Bellows Kit – Fits Volvo Penta DPH-A Drive (Replaces 21132674) 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
Product Details
This is an aftermarket Bellows Kit – Fits Volvo Penta DPH-A Drive (Replaces 21132674), designed for use in the steering system of Volvo Penta DPH-A drive applications. It provides a reliable seal to protect critical steering components from water intrusion and environmental damage.
This kit serves as a direct replacement for Volvo Penta OEM part number 21132674.
- Specifically designed for the DPH-A drive steering system.
- Helps protect internal steering components from corrosion and wear.
- Kit includes essential components for a complete replacement.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 21132674 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This bellows kit is engineered for specific Volvo Penta sterndrive models. Please verify your drive model to ensure proper fitment.
| Brand | Model | OEM Part No. | Notes |
|---|---|---|---|
| Volvo Penta | DPH-A | 21132674 | For steering system application |
Technical Specs
- Product Type
- Bellows Kit
- Installation
- DPH-A / Steering System
- Dimensions
- 8.0" H x 12.0" W x 24.5" L
- Other Technical Attributes
- Schematic Object Key: 20
What’s in the Box
- 1 x Bellows (40005175)
- 1 x Cable Tie (948211)
Installation Notes
- Disconnect the vessel's battery and ensure the sterndrive is trimmed to a safe, accessible position.
- Refer to your official Volvo Penta service manual for detailed instructions on accessing the steering system components.
- Carefully remove the old steering bellows, cutting the old cable tie or clamp if necessary.
- Thoroughly clean the mounting surfaces on the drive to ensure a clean, debris-free seal.
- Inspect the new bellows for any damage before installation.
- Fit the new bellows into position, ensuring it is properly seated on both ends.
- Secure the bellows firmly with the new cable tie provided in the kit.
- Once installed, turn the steering from lock to lock to confirm the bellows moves freely without binding or pinching.
- Reconnect the battery and test all functions before returning the vessel to service.
Troubleshooting & FAQ
How do I know if this bellows kit fits my Volvo Penta drive?
This kit is specifically designed for the steering systems on Volvo Penta DPH-A drives. It is a direct aftermarket replacement for OEM part 21132674. Always confirm your drive model and required part number before ordering.
What are the signs of a failing steering bellows?
Common signs of failure include visible cracks, splits, perishing rubber, or marine growth on the bellows. Functionally, a failed bellows can lead to water intrusion, causing stiff steering, grinding noises, or eventual seizure of steering components.
How often should the steering bellows be replaced?
It is recommended to inspect the steering bellows annually during routine maintenance. As a preventative measure, replacement is advised every 3-5 years, depending on usage and environmental conditions (e.g., saltwater vs. freshwater).
Is this kit for the exhaust or the steering system?
This is a steering system bellows kit. It is not designed for the exhaust or U-joint/driveshaft applications, which require different parts with distinct specifications.
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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