Bearing Housing Cap – Fits Yamaha 25–60 HP Outboards (Replaces 63D-45361-02-4D)
Bearing Housing Cap – Fits Yamaha 25–60 HP Outboards (Replaces 63D-45361-02-4D) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Bearing Housing Cap – Fits Yamaha 25–60 HP Outboards (Replaces 63D-...
Product Details
This aftermarket Bearing Housing Cap is a direct-fit replacement for the lower unit on a range of Yamaha and Parsun outboards. It provides essential support for the propeller shaft assembly in Yamaha 2-Stroke (40–50 HP, 1998–2006), 4-Stroke (F25–F60 HP, 2001–Later), and Parsun (25–60 HP) models.
It serves as a direct interchange for Yamaha part numbers 63D-45361-00-4D, 63D-45361-01-4D, 63D-45361-02-4D, 63D-45361-02-8D, and Parsun equivalents F60-04030000 and T40-04060001.
- Installs as a direct replacement for the original part.
- Constructed from durable metal/aluminum for marine environments.
- Protected by a 1-year aftermarket warranty against defects.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 63D-45361-00-4D |
| Yamaha | 63D-45361-01-4D |
| Yamaha | 63D-45361-02-4D |
| Yamaha | 63D-45361-02-8D |
| Parsun | F60-04030000 |
| Parsun | T40-04060001 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This part is verified to fit the following Yamaha outboard models. Please check your specific model and year.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 40EJRW/40ELRW/40ESRW | 40 | 2-Stroke | 1998 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40MJHW/40MLHW/40MSHW | 40 | 2-Stroke | 1998 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRW | 40 | 2-Stroke | 1998 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 50EJRW/50ELRW | 50 | 2-Stroke | 1998 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | P40TLHW/P40TLRW | 40 | 2-Stroke | 1998 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40EJRX/40ESRX | 40 | 2-Stroke | 1999 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40MJHX/40MLHX/40MSHX | 40 | 2-Stroke | 1999 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRX | 40 | 2-Stroke | 1999 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 50EJRX | 50 | 2-Stroke | 1999 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRX/F50TLRX | 40/50 | 4-Stroke | 1999 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40MJHY/40MLHY | 40 | 2-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRY | 40 | 2-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 50EJRY | 50 | 2-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | C40TLRY/C50TLRY | 40/50 | 2-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40ESRY/F40MLHY/F40MSHY | 40 | 4-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRY | 40 | 4-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRY | 50 | 4-Stroke | 2000 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40MJHZ/40MLHZ | 40 | 2-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRZ | 40 | 2-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 50EJRZ/50TLRZ | 50 | 2-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | C40TLRZ/C50TLRZ | 40/50 | 2-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLRZ | 30 | 4-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40ESRZ/F40MLHZ/F40MSHZ | 40 | 4-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRZ | 40 | 4-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRZ | 50 | 4-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLRZ | 25 | 2-Stroke | 2001 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRA/50TLRA | 40/50 | 2-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | C40TLRA | 40 | 2-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLRA | 30 | 4-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40ESRA/F40MJHA/F40MLHA/F40MSHA | 40 | 4-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRA | 40 | 4-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRA | 50 | 4-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F60TLRA | 60 | 4-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLRA | 25 | 2-Stroke | 2002 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRB/50TLRB | 40/50 | 2-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | C40TLRB | 40 | 2-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLRB | 30 | 4-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40EJRB/F40ESRB/F40MJHB/F40MLHB/F40MSHB | 40 | 4-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRB | 40 | 4-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRB | 50 | 4-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F60TJRB/F60TLRB | 60 | 4-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLRB | 25 | 2-Stroke | 2003 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRC/50TLRC | 40/50 | 2-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLRC | 30 | 4-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40EJRC/F40MJHC/F40MLHC/F40MSHC | 40 | 4-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRC | 40 | 4-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRC | 50 | 4-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F60TJRC/F60TLRC | 60 | 4-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLRC | 25 | 2-Stroke | 2004 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLRD/50TLRD | 40/50 | 2-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLRD | 30 | 4-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40EJRD/F40MJHD/F40MLHD/F40MSHD | 40 | 4-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLRD | 40 | 4-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F50TLRD | 50 | 4-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F60TJRD/F60TLRD | 60 | 4-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLRD | 25 | 2-Stroke | 2005 | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | 40TLR/50TLR | 40/50 | 2-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F30TLR | 30 | 4-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40BEJR/F40BMJH/F40BMLH/F40BTLR | 40 | 4-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40EJR/F40MJH/F40MLH/F40MSH | 40 | 4-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | F40TLR | 40 | 4-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25LA/T25LA_0112/T25LA_0411 | 25 | 2-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
| Yamaha | T25TLR | 25 | 2-Stroke | 2006–Later | 63D-45361-02-4D | Lower Casing Drive 1 |
Also compatible with certain Parsun, Hidea, Seapro, and HDX models. Since model-specific data is limited, please use the OEM part number for cross-reference.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Parsun | [Various Models] | 25–60 | 2 & 4-Stroke | F60-04030000, T40-04060001 | Also fits Hidea Seapro HDX |
Technical Specs
- Product Type
- Bearing Housing Cap (Lower Unit)
- Installation
- Direct replacement
- Housing Material
- Metal/Aluminum
- Housing Color
- Black
- Weight
- 556g (1.23 lbs)
- Product Dimensions
- 16.5cm (L) x 10.0cm (W) x 9.5cm (H)
- Warranty
- 1 Year (aftermarket)
What’s in the Box
- 1 x Bearing Housing Cap (Replaces 63D-45361-02-4D)
Note: Some aftermarket kits may include additional seals and bearings. This listing includes the housing cap only unless otherwise specified in the title or package contents.
Installation Notes
- Disconnect the negative battery cable for safety.
- Drain the gearcase oil into a suitable container by removing the drain and vent plugs.
- Remove the propeller assembly from the propeller shaft.
- Unbolt the lower unit (gearcase) from the outboard's midsection and carefully lower it.
- Locate and unbolt the existing bearing housing cap from the gearcase.
- Gently remove the old cap, taking care to note the orientation of any seals, o-rings, or bearings.
- Thoroughly clean the mating surfaces on the gearcase, removing any old gasket material or sealant.
- Install any new seals or o-rings into the new housing cap as required by your service manual.
- Carefully install the new bearing housing cap, ensuring it is properly seated.
- Tighten the mounting bolts in a crisscross pattern to the manufacturer's recommended torque specifications.
- Reassemble the lower unit, propeller, and re-mount the entire assembly to the outboard.
- Refill the gearcase with fresh marine gear lubricant to the proper level and reinstall the drain/vent plugs with new gaskets.
Troubleshooting & FAQ
How do I know if this bearing housing fits my engine?
The best way is to check the part number stamped on your original housing. If it matches one of the numbers listed in our Part Number Matrix (e.g., 63D-45361-02-4D), it will fit. You can also consult the detailed Engine & Model Compatibility table on this page to find your specific model and year.
What are the signs of a failing bearing housing cap?
Common symptoms include excessive vibration from the lower unit, grinding or rumbling noises, visible cracks or damage to the housing, and gear oil leaking from the propeller shaft area. Another sign is noticeable "play" or wobble in the propeller shaft.
Can a bad bearing housing cause issues with shifting?
While less common, a severely damaged or misaligned bearing housing can potentially affect the propeller shaft's alignment, which may indirectly lead to clunky shifting or difficulty engaging gears. More direct causes of shifting issues should be investigated first.
Why is there a significant price difference between suppliers?
Price variation often reflects differences between OEM and various aftermarket suppliers, included components (some kits add seals/bearings), material quality, and import duties. Our parts are sourced for their balance of quality and value.
Does this part require any special maintenance?
The housing itself does not require maintenance, but it's critical to maintain clean gearcase oil and replace it at recommended service intervals. The seals within the housing assembly should be inspected for leaks whenever the lower unit is serviced.
Is this part difficult to install for a DIY mechanic?
Installation is moderately difficult as it requires removing the lower unit. While possible for an experienced DIYer with the right tools (like a torque wrench), we recommend professional installation to ensure correct alignment, sealing, and torque settings.
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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