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Early 6BTA 5.9 Diamond Complete Hose Kit (1.5″ Raw Water Hoses)


Kit includes a variable number of hoses for the early 6BTA 5.9 330/370 HP Diamond Models with 1.5″ Raw Water Hoses depending on your configuration. Kit does not include fuel supply & return hoses or the factory HX to exhaust elbow hose.

Please refer to the product description tab below to help you understand how to put purchase a complete hose kit specific to your engine setup.

Shipping Weight

15 lbs

Shipping Dimensions 18 × 11 × 7 in
Clear selection


The early 6BTA 5.9 engines had many different hose configurations, please review the following (3) sections to make the correct configuration choices are made for your complete hose kit.

Section #1: Fuel Cooler Plumbing

Examples of engines that are configured WITHOUT an on-engine FUEL COOLER & that have an 1.5″ raw water hose circuit and an S-PIPE:

Section #2: Thermostat Plumbing

Below pictures are some examples of early 6B engines that incorporated a steel tube between the heat exchanger and the thermostat housing:

This configuration has a molded hose with NO steel tube.

Section #3: Turbo Oil Drain Plumbing

Below are pictures of engines that have a turbo oil drain line/tube that incorporates the usage of two small hoses. Alternate drain line will appear corrugated and pressed into the engine block:


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