0393630 Evinrude Johnson Water Pump Repair Kit | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine BRP Evinrude Johnson 20HP-35HP Water Pump Repair Kit - Part Number: 0393630

A genuine BRP complete water-pump service kit for selected twin-cylinder 20HP, 25HP, 28HP, 30HP and 35HP outboards.

The kit services the gearcase-mounted raw-water pump and commonly includes the impeller, pump housing, stainless insert cup, wear plate, gaskets, O-rings, grommets and mounting hardware.

⚙️ Key Features

• Genuine BRP OEM water-pump repair kit
• Correct OEM part number 0393630
• Kit with water-pump housing
• Suitable for selected twin-cylinder 20HP-35HP engines
• Includes major pump wear components
• Multiple branded aftermarket replacements available

🚤 Compatibility

Commonly used on selected

• 20HP two-cylinder outboards
• 25HP two-cylinder outboards
• 28HP outboards
• 30HP outboards
• 35HP two-cylinder outboards

Representative production period

• Approximately 1980-2005, depending on model and gearcase

Important fitment note

• Confirm whether the engine uses the complete kit with housing or the service kit without housing.
• Gearcase changes occurred during the long production period.
• Compare the impeller hub, water-tube grommet and housing profile.

🔌 Function

The pump supplies cooling water to the powerhead at all engine speeds.

Installation considerations

• Inspect the driveshaft and impeller key
• Clean all gasket surfaces
• Remove old impeller fragments
• Replace the complete kit where the housing or cup is worn
• Confirm the water tube enters the grommet correctly
• Rotate the driveshaft while fitting the housing
• Test water flow immediately

⚠️ Common Signs of Failure

• Weak tell-tale
• Engine overheats at idle
• Pump housing is melted or distorted
• Wear plate has grooves
• Impeller vanes are cracked
• Water-tube grommet leaks
• Exhaust heat damages the pump components

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 0393630
• 393630
• 0393509
• 393509
• 0391636
• 391636
• 0390344
• 390344
• 0437907
• 0777803

Aftermarket / Verified Equivalents

• Sierra: 18-3382 - kit with housing
• Sierra: 18-3381 - related kit without housing
• GLM: 12070
• SEI Marine: 96-362-01K
• Mallory: 9-48205
• Mallory: 9-48211
• Recmar: REC393630
• HJ: JHJB-393630
• OBR Red Rhino: JE-393

📦 Condition

• Genuine BRP Evinrude Johnson OEM part
• Brand new
• Supplied in genuine or equivalent protective packaging