Pump Drive Sleeve – Fits Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6EFCD (Replaces 359448)
Pump Drive Sleeve – Fits Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6EFCD (Replaces 359448) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Pump Drive Sleeve – Fits Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6...
Pump Drive Sleeve – Fits Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6EFCD (Replaces 359448) is backordered and will ship as soon as it is back in stock.
Product Details
This Pump Drive Sleeve – Fits Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6EFCD is an essential seawater pump drive component designed for multiple Kohler marine generator models. Engineered with 8 splines and precise dimensions (1.14 in. outside diameter, .865 in. wide), this sleeve ensures reliable power transfer from the engine to the seawater pump in Kohler 5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD, and 6EFCD series generators.
This aftermarket replacement directly interchanges with Kohler OEM part number 359448.
- 8-spline design ensures proper engagement with pump drive shaft
- Dark yellow color for easy identification during service
- Direct fit for Kohler marine generator seawater pump systems
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Kohler | 359448 | OEM reference |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | OEM Part No. |
|---|---|---|
| Kohler | 5E | 359448 |
| Kohler | 4EF | 359448 |
| Kohler | 7.3E | 359448 |
| Kohler | 6EF | 359448 |
| Kohler | 5ECD | 359448 |
| Kohler | 4EFCD | 359448 |
| Kohler | 7.3ECD | 359448 |
| Kohler | 6EFCD | 359448 |
Technical Specs
- Outside Diameter
- 1.14 in.
- Width
- .865 in.
- Spline Count
- 8 splines
- Color
- Dark yellow
- Application
- Kohler seawater pump drive
- OEM Part Number
- 359448
What's in the Box
- 1 × Pump Drive Sleeve
Installation Notes
- Disconnect power and ensure the generator is completely shut down before beginning work.
- Remove the seawater pump assembly from the engine block according to your generator's service manual.
- Inspect the old drive sleeve for wear, corrosion, or damaged splines.
- Clean the mounting surface and drive shaft thoroughly, removing any debris or old gasket material.
- Slide the new pump drive sleeve onto the drive shaft, ensuring the 8 splines align properly.
- Verify the sleeve is fully seated with no gaps or misalignment.
- Reinstall the seawater pump assembly, torquing all fasteners to manufacturer specifications.
- Reconnect power and run the generator briefly to confirm proper pump operation and check for leaks.
Troubleshooting & FAQ
How do I know if my pump drive sleeve needs replacement?
Common signs include worn or stripped splines, visible corrosion, poor pump performance, overheating due to inadequate cooling flow, or unusual noise from the pump area during operation.
Will this fit all Kohler marine generators?
No, this sleeve is specifically designed for Kohler 5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD, and 6EFCD models. Verify your exact model number before ordering.
What is the difference between this and the OEM Kohler part?
This aftermarket replacement is manufactured to OEM specifications with the same dimensions, spline count, and material properties, providing reliable performance at a better value.
Can I install this myself or do I need a technician?
While mechanically inclined owners can perform this replacement, professional installation is recommended to ensure proper alignment, torque specifications, and system integrity.
How often should the pump drive sleeve be replaced?
Replace when you notice wear, during major pump service, or as recommended in your Kohler maintenance schedule. Saltwater environments may require more frequent inspection.
Why are the splines important?
The 8-spline design ensures positive engagement between the engine drive shaft and the pump. Worn or mismatched splines can cause slippage, poor cooling performance, or complete pump failure.
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 against 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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