Marine Cooling System

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Practical guides, product updates and technical insights to help you identify, source and fit the right marine engine components.

Doosan L066TI marine engine raw water pump gasket

Doosan L066TI Raw Water Pump Gasket & Replacement Guide

September 7, 2026

Doosan L066TI Raw Water Pump Gasket 65.06901A0033: Leak Checks & Parts Identification
What Is the Doosan L066TI Raw-Water Pump Gasket Part Number?
65.06901A0033 — Gasket; Sea Water Pump
Raw-Water Pump or Freshwater Pump?
Is 65.06901A0033 a Mechanical Pump Seal?
Leak from the pump mounting joint
Leak from the shaft area
How Can You Tell If the Raw-Water Pump Gasket Is Leaking?
What Causes a Doosan L066TI Pump Gasket to Leak?
What Should You Inspect After Removing the Pump?
1. Existing gasket
2. Pump mounting surface
3. Engine-side mating surface
4. Pump housing
5. Pump shaft
Should You Reuse the Old 65.06901A0033 Gasket?
How Should the Gasket Surfaces Be Prepared?
Should Sealant Be Used With the Gasket?
What If Water Is Leaking From the Pump Shaft?
Should You Inspect the Pump While It Is Removed?
What If the Pump Mounting Surface Is Corroded?
Can a Raw-Water Pump Problem Cause the L066TI to Overheat?
Low Seawater Flow: Is 65.06901A0033 the Problem?
Related Doosan L066TI Water-Pump Part Numbers
Doosan L066 vs L066TI Water-Pump Parts
Doosan L066 Marine Engine Parts
What Information Should You Send When Ordering 65.06901A0033?
Doosan L066TI Raw-Water Pump Gasket FAQs
What is the Doosan L066TI raw-water pump gasket part number?
Is 65.06901A0033 a mechanical seal?
How do I know if the gasket is causing the leak?
Should I replace the gasket when removing the pump?
Why is the pump still leaking after installing a new gasket?
Can a bad raw-water pump cause overheating?
Is the raw-water pump the same as the freshwater pump?
Is 65.06520-6006 the mechanical seal for the same seawater pump?
Need a Doosan L066TI Raw-Water Pump Gasket?
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Doosan L136TI marine engine heat exchanger replacement

Doosan L136TI Marine Heat Exchanger Replacement Guide

September 4, 2026

Doosan L136TI Marine Engine Heat Exchanger Replacement: Repair, Clean or Replace?
Doosan L136TI Marine Engine Parts
What Does the Heat Exchanger Do on a Doosan L136TI?
Is the Doosan L136TI Heat Exchanger Different From the L136?
Doosan L136 Marine Engine Parts
Doosan L136T Marine Engine Parts
How Do I Know If My Doosan L136TI Heat Exchanger Has a Problem?
Does Doosan Recommend Cleaning the L136TI Heat Exchanger?
My Doosan L136TI Is Overheating. Is the Heat Exchanger Definitely Bad?
What Happens When Heat Exchanger Tubes Become Blocked?
I Found Rubber Pieces Inside the Heat Exchanger. Where Did They Come From?
Can I Clean the Doosan L136TI Heat Exchanger Instead of Replacing It?
When Should I Replace the Complete Heat Exchanger?
Can a Heat Exchanger Cause Coolant Loss?
Can Seawater Enter the Engine Coolant?
Should I Pressure-Test the Heat Exchanger?
How Is the Doosan L136TI Heat Exchanger Removed?
What Should I Inspect Once the Heat Exchanger Is Removed?
Heat Exchanger Tubes
End Covers
Housing
Gaskets and Seals
Hose Connections
Seawater Deposits
Foreign Material
Coolant Side
Should I Replace the Gaskets When Installing the Heat Exchanger?
Should I Replace the Hoses at the Same Time?
Should I Check the Seawater Pump Before Installing a New Heat Exchanger?
Should I Check the Thermostats?
Doosan L136 vs L136T vs L136TI Heat Exchanger
Can I Use an Aftermarket Doosan L136TI Heat Exchanger?
Can My Existing Doosan Heat Exchanger Be Reconditioned?
Doosan L136TI Heat Exchanger Replacement Checklist
Doosan L136TI Heat Exchanger FAQs
Can a blocked Doosan L136TI heat exchanger cause overheating?
Why does my L136TI only overheat at high rpm?
Can the L136TI heat exchanger be cleaned?
How often should the Doosan L136TI cooling system be cleaned?
Should I replace the heat exchanger if the tubes are blocked?
Can a broken seawater-pump impeller block the heat exchanger?
Does the Doosan L136TI use the same heat exchanger as the L136?
What information do I need to order a Doosan L136TI heat exchanger?
Related Doosan Marine Engine Pages
Doosan Marine Engine Parts
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Scania DI13 marine propulsion engine raw water pump

Scania DI13 Raw Water Pump, Parts & Repair Kit Guide

September 4, 2026

Scania DI13 Marine Propulsion Engine Raw Water Pump: Parts, Repair Kits & Replacement
Not every Scania DI13 marine engine uses the same seawater pump arrangement.
Scania D13 & DI13 Marine Engine Spare Parts
What Does the Raw Water Pump Do on a Scania DI13?
Is the Scania DI13 Raw Water Pump Gear Driven?
Can You Run a Scania DI13 Raw Water Pump Dry?
Which Raw Water Pump Does the Scania DI13 Use?
High-Backward DI09/DI13M Arrangement
Scania DI13 Low-Forward Sea Water Pump
Scania DI13 SAE-B Sea Water Pump
The DI13 engine model alone does not identify the correct seawater pump.
Scania DI13 Raw Water Pump Part Numbers
Are Scania DI13 Raw Water Pump Repair Kits Available?
A “repair kit” does not necessarily mean a complete pump overhaul kit.
What Is Scania 2295719?
What Is Scania 2295736?
190 L/min seawater-pump configuration.
What Is Scania 2295735?
280 L/min seawater-pump configuration.
What Is Scania 2295741?
What Is Scania 2295743?
What Is Scania 2295745?
What Are the Symptoms of a Failing DI13 Raw Water Pump?
Scania DI13 Overheats Under Load
Low Seawater Flow From the Exhaust
Seacock
Sea Strainer
Seawater Intake
Suction Hose
Raw-Water Pump
Charge-Air Cooler and Heat Exchanger
Why Does the DI13 Rubber Impeller Fail?
What Happens if the Impeller Breaks Apart?
Should I Carry a Spare DI13 Raw Water Pump Impeller?
Correct.
My Scania DI13 Raw Water Pump Is Leaking
What if the DI13 Pump Shaft Has Play?
Rebuild or Replace the DI13 Raw Water Pump?
Rebuild May Make Sense When:
Complete Replacement May Make More Sense When:
Standard Rubber-Impeller Pump vs Self-Priming Pump
Raw Water Pump vs Coolant Pump on the Scania DI13
Raw-Water / Sea Water Pump
Coolant Pump
Scania DI13 raw-water / seawater pump
Can a Bad DI13 Raw Water Pump Damage the Engine?
Should I Check the Heat Exchanger?
Should I Check the Charge-Air Cooler?
Why Is the Existing Pump Number Important?
What Information Do I Need Before Ordering a DI13 Raw Water Pump?
Scania DI13 Raw Water Pump Inspection Checklist
1. Confirm the Engine
2. Record the Engine Serial Number
3. Identify the Existing Pump
4. Photograph the Installation
5. Check the Seawater Intake
6. Check the Sea Strainer
7. Inspect the Suction Hose
8. Remove the Pump Correctly
9. Inspect the Impeller
10. Find Missing Impeller Pieces
11. Inspect the Pump Housing
12. Check the Shaft
13. Inspect Bearings and Seals
14. Identify the Correct Repair Kit
15. Inspect the Charge-Air Cooler
16. Inspect the Heat Exchanger
17. Reassemble Correctly
18. Restore Seawater Supply
19. Start and Inspect
20. Test Under Load
Scania DI13 Raw Water Pump FAQs
What is the Scania DI13 raw water pump part number?
What is Scania 1785018?
What is Scania 1785016?
What is Scania 1923450?
What is Scania 2094321?
Is there a Scania DI13 raw water pump repair kit?
What is Scania 2295719?
Can I run a DI13 rubber-impeller pump without seawater?
Is the Scania DI13 raw water pump belt driven?
Does seawater pass through the DI13 charge-air cooler?
Can a damaged raw water pump cause DI13 overheating?
Should I replace the complete pump when the impeller fails?
Where can I find other Scania DI13 engine parts?
Related Scania Marine Engine Parts
Scania Marine Engine Spare Parts & Overhaul Kits
Scania Marine Engines
Marine Spare Parts
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