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Cummins ISL Parts for Australia - Engine Water Pump Section

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Cummins ISL Engine Cooling System Parts Catalog

Diesel Pro Power proudly supplies a complete range of cooling system components specifically for the Cummins ISL engine. Designed for marine and industrial applications, these parts help ensure consistent temperature control and long engine life under demanding operating conditions. From water pumps and thermostats to serpentine belts, silicone coolant hoses, and hose clamps, this catalog features high-quality, in-stock components built for the Cummins ISL platform.

Cummins ISL Engine Water Pump

Direct Replacement Water Pump for Cummins ISL Engines

This OEM-grade freshwater pump is engineered for Cummins ISL (8.9L) engines and is compatible with a wide range of CPL configurations including:

CPL#s: 2964, 8641, 1754, 3301, 8647, 1404, 1096, 8221, 8389, 8458, 8220, 8627, 8630, 3212, 2, 2693, 2694, 2695, 2691, 2237, 2946, 2475, 422, 8695, 8693, 8648, 401, 8650, 400, 8478, 8538, 8639, 8636, 8537, 8153, 8152, 8151, 8780, 8697, 8730, 8692, 8159, 8056, 1632, 2722, 8746, 1738, 1793, 1286, 8703, 8185, 2997, 8307, 2996

Key Features:

  • High-efficiency impeller ensures proper coolant flow

  • Cast housing for thermal stability

  • Easy installation with standard ISL mounting locations

  • Designed for marine propulsion systems, gensets, and off-highway ISL platforms

Thermostat for Cummins ISL Engine

Cummins ISL Thermostat – 180°F Opening Temperature

Keep your Cummins ISL engine operating within its optimal temperature range with this precision-calibrated thermostat. It opens at 180°F to allow coolant circulation once the engine warms up, preventing cold starts and overheating.

Applications:

  • Marine propulsion and auxiliary ISL engines

  • Generator cooling systems

  • High-load industrial machinery

Serpentine Belts for Cummins ISL Water Pump and Accessory Drive

OEM-Spec Serpentine Drive Belts

Each belt below is an 8-ribbed, high-durability serpentine V-belt used to drive the water pump, alternator, and fan in Cummins ISL installations. These belts are specifically built to match Cummins ISL accessory drive layouts and pulley configurations.

Belt Options:

  • 3288689 – 53.50” long

  • 3911562 – 57.50” long

  • 3911557 – 59.50” long

  • 3911563 – 60.00” long

  • 3289113 – 66.53” long

  • 3911567 – 66.92” long

  • 3289235 – 69.00” long

Common Uses:
These belts are found in marine ISL gensets, mobile equipment cooling systems, industrial fire pumps, and other heavy-duty installations. Always check belt wear and tension during routine maintenance to prevent component failure.

Silicone Coolant Hoses for Cummins ISL Engines

Our Cummins ISL coolant hoses are made of reinforced, high-temperature silicone ideal for marine and high-vibration environments. Available by the foot, they provide superior heat resistance, flexibility, and longevity compared to standard rubber hoses.

Cummins ISL Silicone Coolant Hose Sizes

Inside Diameter (in)

Hose Length

Common Use

3/4"

1 Foot

Small bypass or return lines

1"

1 Foot

Thermostat housing and radiator lines

1 3/4"

1 Foot

Primary coolant outlet

1 7/8"

1 Foot

Marine engine cooling circuits

2"

1 Foot

Main hose for coolant transfer

2 1/8"

1 Foot

Inlet or discharge connections

2 1/4"

1 Foot

Industrial applications

2 3/8"

1 Foot

Genset and pump systems

2 1/2"

1 Foot

Larger heat exchanger feeds

2 3/4"

1 Foot

Wide-flow engine manifolds

3"

1 Foot

Primary coolant lines

3 1/2"

1 Foot

Heavy-duty return loops

4"

1 Foot

Max flow industrial ISL systems

Coolant and Fuel Hose Clamps for Cummins ISL

Diesel Pro Power carries all clamp sizes needed to secure coolant and fuel hoses on your Cummins ISL engine. These clamps provide tight, leak-free seals under pressure and vibration, helping protect against cooling system failures.

Available Hose Clamp Sizes for Cummins ISL

Diesel Pro Clamp Code

Min Diameter

Max Diameter

10H

9/16"

1-1/16"

5104592

1"

1.5"

3412320

11/16"

1-1/4"

4920417

13/16"

1-3/4"

3922846

1-5/16"

2-1/4"

3922847

1-9/16"

2-1/2"

3922847 (Alt)

2-5/16"

3"

5188036

2-7/8"

3.5"

Installation Tip: When replacing hoses or thermostats, always install new clamps to maintain proper torque and sealing integrity.

 

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