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Radiator Expansion & Header Tanks - No Pressure Cap:Most vehicles benefit from radiator expansion tanks. Many pre 1960s classics did not originally have one fitted at all, and operate a dead-loss system which can waste expensive coolant. Later vehicles usually have a plastic version - plastic does not age well, especially when its spends a lifetime handling hot coolant.
Alloy Radiator Header & Breather Tanks - Pressure Cap:
The tanks shown with a pressure cap are designed for vehicles which do not have a pressure cap on the radiator, or require a pressure cap on the expansion tank. (If you do have a pressure cap on the radiator and want to fit this breather tank then you would need to replace it with a valveless cap or remove the valve from your current cap)
Unlike an expansion tank (no pressure cap - can be mounted anywhere) a breather tank must be mounted at the highest point of the cooling system to operate efficiently.
Prevents air locks and leaves room for expansion
Fitting instructions:
Like most car parts, none of these products come with fitting instructions. Fitment would depend on your individual vehicle's cooling system, and should only be undertaken by competent persons familiar with automotive cooing systems.
Custom Tanks:
We can only supply products exactly as they are detailed and photographed in the product description; unfortunately we are unable to produce an individual tank to a customers' own designs - our tanks are very competitively priced for such high quality items because we produce them on tooling on short production runs, rather than one at a time. Many previous customers have found it significantly more cost effective for them to have their machine shop modify one of our existing designs than to commission a complete tank elsewhere. (Code: Water Tank Info) |
| | |   Some hose installations require a T fitment.(Code: 765 14 metal) |
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- Manufactured from aircraft grade alloy
- 12mm OD (1/2") screw in barbed alloy pipe stubs
- Machined anodised top mounted cap and bottom drain plug
- All engines expel coolant when it gets hot, with a recovery tank in the system the expelled fluid is drawn back in when the motor cools down
- Suitable for fitment to vehicles without a radiator expansion tank or as a replacement for an existing version - ideal if you are building a cooling system from scratch, or to replace the standard plastic header tank
- Also increase overall coolant capacity - often required by tuned engines
- Kit is also supplied complete with hose clips and 1 meter 12mm ID (1/2") hose & fitting bracket
- This tank is beautifully made from polished alloy to enhance under bonnet appearance
Choice of sizes available
(Code: 277Small) |
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- Manufactured from 304 non magnetic highly polished stainless, 100% tig welded
- Choice 2 sizes:
- 13" (33cm) body length, 15.5" (39cm) overall length including top cap and bottom stub pipes
- 15" (38cm) body length, 17.5" (44.5cm) overall length including top cap and bottom stub pipes
- Top mounted stainless machined cap
- All engines expel coolant when it gets hot, with a recovery tank in the system the expelled fluid is drawn back in when the motor cools down
- Two 6mm (1/4") outside diameter pipes emerge from the bottom of the tank, one feeding the tank from the radiator, the other passing to the top of the tank to let air in and out.
- Suitable for fitment to vehicles without a radiator expansion tank or as a replacement for an existing version - ideal if you are building a cooling system from scratch, or to replace the standard plastic header tank
- Also increase overall coolant capacity - often required by tuned engines
- Supplied complete with fitting hardware & instructions
- This tank is beautifully made from mirror-finish stainless steel to enhance under bonnet appearance
(Code: RadTankThin13) |
| | |   This tank is designed for vehicles which do not have a pressure cap on the radiator, or require a pressure cap on the expansion tank. (If you do have a pressure cap on the radiator and want to fit this breather tank then you would need to replace it with a valveless cap (see radiator caps) or remove the valve from your current cap)
Unlike an expansion tank (which can be mounted anywhere) a breather tank must be mounted at the highest point of the cooling system to operate efficiently.
Prevents air locks and leaves room for expansion.
Tank is configured with twin inlets to suit some motorsport applications. If only one inlet is to be used then either block off the spare one, or use a T-Piece for an ultra-neat installation (Code: 687) |
| | |   This tank is designed for vehicles which do not have a pressure cap on the radiator, or require a pressure cap on the expansion tank. (If you do have a pressure cap on the radiator and want to fit this breather tank then you would need to replace it with a valveless cap (see radiator caps) or remove the valve from your current cap)
These tanks were produced as a small run for a UK sports car manufacturer currently in receivership, to their pattern.
We have a few left. If you can use (or cut off) the mounting brackets then this is a superbly produced tank at a budget price. Doubtless with some imagination it could be used as a tank for a variety of purposes - power steering reservoir, washer tank etc.
Height 257mm, diameter 100mm, overflow pipe thread 8mm, input stub pipe outside diameter 10mm, bottom stub pipe outside diameter 20mm, capacity approx 1.75L. Weight 552gram
Polished alloy, takes standard size (ie UK, European, American but not "mini" Japanese) twist-off pressure cap (not supplied).
If cap is required see radiator cap section. (Code: 894) |
| | |   Plastic bottle with painted black steel cap and polished stainless bracket
Single inlet hole in top of cap, so requires supply pipe to be pushed to bottom of tank
Measures approx 185mm tall by 97mm diameter (without bracket) (Code: 450) |
| | |   This tank is designed for vehicles which do not have a pressure cap on the radiator, or require a pressure cap on the expansion tank. (If you do have a pressure cap on the radiator and want to fit this breather tank then you would need to replace it with a valveless cap (see radiator caps) or remove the valve from your current cap)
Lightweight (630gram) polished alloy
Height excluding cap & neck 170mm
Height including cap & neck 195mm
Width excluding stub pipe 100mm
Supplied with choice of pipes 12mm O/D and 15mm O/D
Depth 150mm
Capacity 2L
Integral mounting bracket
Takes "mini" Japanese/motorbike size cap (32mm ID neck)
Supplied with 1.3bar butterfly twist cap as part of kit (additional caps available if required) (Code: 843) |
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