359448 Pump Drive Sleeve for Kohler 5E 4EF 7.3E 6EF 5ECD 4EFCD 7.3ECD 6EFCD | JLM Marine

359448 Pump Drive Sleeve for Kohler 5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD, 6EFCD Models

This pump drive sleeve is engineered for Kohler marine generator models including 5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD, and 6EFCD. It serves as a critical connection component in the seawater cooling pump assembly, transmitting rotational force from the engine to the pump impeller.

Direct Replacement for OEM Part Number: Kohler 359448

• Features 8 splines for secure drive engagement
• Precision-machined to OEM dimensions: 1.14" OD × 0.865" width
• Drop-in replacement for Kohler seawater pump assemblies

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 × Pump Drive Sleeve (Kohler 359448)

Installation Guide

1. Disconnect power to the generator and allow the engine to cool completely before beginning work.
2. Remove the seawater pump assembly from the engine block according to your service manual.
3. Disassemble the pump housing to access the existing drive sleeve. Note the orientation of the splines.
4. Carefully slide the old drive sleeve off the pump shaft, inspecting the shaft for wear or damage.
5. Clean the pump shaft and surrounding components, removing any debris, corrosion, or old lubricant.
6. Align the new drive sleeve with the pump shaft, ensuring the 8 splines match the shaft configuration.
7. Slide the new sleeve onto the shaft until it seats fully against the shoulder or stop.
8. Reassemble the pump housing, ensuring all seals and gaskets are properly positioned.
9. Reinstall the seawater pump assembly onto the engine block and torque fasteners to specification.
10. Reconnect all hoses and verify that the impeller rotates freely without binding.
11. Restore power and run the generator briefly, checking for proper water flow and any unusual noises.
12. Inspect for leaks around the pump assembly and tighten connections as needed.

Troubleshooting & FAQ

Q: How do I confirm this drive sleeve fits my Kohler generator?
A: Verify your model number against the compatibility table (5E, 4EF, 7.3E, 6EF, 5ECD, 4EFCD, 7.3ECD, 6EFCD). Cross-check the physical dimensions—1.14" OD, 0.865" width, and 8 splines—with your existing part before ordering.

Q: What are the signs that my pump drive sleeve needs replacement?
A: Common indicators include worn or stripped splines, visible cracking or deformation, overheating due to poor coolant circulation, or unusual grinding noises from the pump area during operation.

Q: How often should I replace the pump drive sleeve?
A: The sleeve should be inspected during routine seawater pump service or impeller replacement (typically every 1–2 years or 500 operating hours). Replace immediately if spline wear, cracks, or dimensional changes are detected.

Q: Can I install this sleeve without removing the entire pump assembly?
A: No, the pump housing must be disassembled to access the drive sleeve. This typically requires removing the pump from the engine block for safe and proper installation.

Q: Is this an OEM part or aftermarket replacement?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.