Your trusted source of JDM parts shipped direct from Japan

Your trusted source of JDM parts shipped from Japan

JDM parts shipped direct from Japan

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Greddy Breather Tank

Trust Greddy radiator bleed tank can be used to assure the radiator is fully filled with room for air expansion.

Designed originally for racing engines, today's compact production engines can also benefit from the used of GReddy's Radiator Bleed Tank. By mounting the tank high up in the engine compartment, you can be assured that of a fully filled system with room for air expansion, thus reducing chances of overheating due to air-lock. Hi-Pressure Radiator Cap included.

The air-removal tank is in parallel with the radiator. Once the thermostat opens, the hot coolant bypasses the radiator to pass through the tank, and is returned, hot, to the water pump inlet to re-enter the engine housing ports.
It's purpose is first to collect air/vapor in an upper, stagnant chamber. Then by thermal expansion of the fluid and gas, it purges the collected air into the vented overflow bottle by way of a 3rd hose that ends in the bottle below the coolant level. Air bubbles rise to the top and vent to the atmosphere. Upon cooling-contraction, coolant from the bottle is pulled back into the system.
The coolant that flows to the separation tank comes from the top of the thermostat housing, where a mini chamber is cast into the housing. The entry into this chamber can be seen after removing the fill cap as a 10mm hole. The only chamber exit is the hose to the separation tank. The purpose of the mini-chamber is to encourage any air that is passing below, from the open thermostat to the radiator, to rise up and be sent ( with coolant ) through the small bypass line to the separation tank.

Please Note that the option Part 11900626 Is not the Full Breather tank kit but an unrestricted 8mm Union.

Note: These are made-to-order, so please allow 4-6 weeks prior to shipping.

Vehicle Product   Price Order
Option Part - No. 14 - Hose Union - 8mm diameter - 1/8PT
11900651
USD $ 6.67
Universal
Option Part - Unrestricted union 8mm diameter - M6 X P1.0 Washer
11900626
USD $ 12.03
USD $ 13.40
Universal Breather Tank - 8mm hose
12400908
USD $ 118.56
USD $ 151.22
Product   Order
Option Part - No. 14 - Hose Union - 8mm diameter - 1/8PT
11900651
USD $ 6.67
Universal
Option Part - Unrestricted union 8mm diameter - M6 X P1.0 Washer
11900626
USD $ 12.03
USD $ 13.40
Universal Breather Tank - 8mm hose
12400908
USD $ 118.56
USD $ 151.22

Vehicle Product Price Order
Swift Sport - ZC31S
Suzuki - Swift - ZC31S - 9/2005+ - 7mm
12095300
DISCONTINUED
This part is no longer available
Product Order
Swift Sport - ZC31S
Suzuki - Swift - ZC31S - 9/2005+ - 7mm
12095300
DISCONTINUED
This part is no longer available
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About Nengun Performance

Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.

Nengun Performance, shipping JDM direct from Japan