Stoney Racing
Mazda MX5 MK1 NA 1.8 Silicone Radiator Hose Kit
Mazda MX5 MK1 NA 1.8 Silicone Radiator Hose Kit
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Stoney Racing MX5NA-0005 Silicone Radiator Hose Kit – Mazda MX5 MK1 NA 1.8
The Stoney Racing MX5NA-0005 is a silicone replacement for the upper and both lower radiator hoses on the Mazda MX5 MK1 NA 1.8, 1994–1998.
The kit replaces the 3 main radiator hoses, the most heat-stressed hoses in the cooling system and the ones most likely to fail. Each hose is built from 4-ply silicone with 3-ply polyester reinforcement, so it will not perish, swell or crack like ageing rubber hoses.
It is available in 9 colours and can be ordered with a full set of stainless worm-drive, spring or stainless T-bolt clamps, or without clamps if you plan to reuse your originals.
Key Features
- Direct-fit replacement for 3 radiator hoses
- Fits all Mazda MX5 MK1 NA 1.8 models, 1994–1998
- Manual and automatic, RHD and LHD
- 4-ply silicone with 3-ply polyester reinforcement
- Working pressure over 7 bar, burst pressure over 10 bar
- Temperature range −50°C to 180°C
- Choice of 9 colours
- Optional full clamp kit in 3 styles
- 3-year manufacturer warranty
Specifications
| Specification Details | |
|---|---|
| Brand | Stoney Racing |
| Product Code | MX5NA-0005 |
| Vehicle | Mazda MX5 / Miata / Eunos MK1 (NA) |
| Model Years | 1994–1998 |
| Engine | 1.8 BP-ZE |
| Transmission | Manual and automatic |
| Hoses in Kit | 3 |
| Construction | Approx. 4.5mm wall, 4-ply silicone, 3-ply polyester reinforcement |
| Working Pressure | Over 7 bar |
| Burst Pressure | Over 10 bar |
| Temperature Range | −50°C to 180°C |
| Colours | Blue, Red, Black, Matt Black, Green, Yellow, Purple, Orange, White |
| Warranty | 3 years |
Hoses Included
- Upper radiator inlet hose
- Lower radiator outlet to hard pipe hose
- Lower radiator hard pipe to block hose
Clamp Options
Black Spring Clips are the type most manufacturers use. They give the most even clamping pressure and are generally the best choice for coolant hoses, although being mild steel they can show surface rust over time.
Stainless Worm-Drive clamps are fully stainless, so they will not rust, and they are easier to fit in tight spaces. A good choice if engine bay appearance matters.
Stainless T-Bolt clamps are the heaviest-duty option, ideal where maximum clamping force is wanted.
None lets you reuse your existing clamps. These hoses are slightly thicker than standard, so some original clamps may be too small.
Important Fitting Information
- Some coolants are not compatible with silicone hoses. Check your coolant before fitting.
- Use washing-up liquid or a silicone-based lubricant when fitting. Do not use oil-based lubricants.
What's in the Box?
- 3 × Stoney Racing reinforced silicone hoses in your chosen colour
- Full clamp set in your chosen style (if selected)
Frequently Asked Questions
Will this kit fit my MX5 1.6?
No. The MX5NA-0005 is for the 1.8 BP-ZE engine only. The 1.6 has its own kit.
Does it fit automatic and left-hand-drive cars?
Yes. It fits manual and automatic models in both RHD and LHD.
Does this replace all the coolant hoses?
No. It covers the upper radiator hose and both lower radiator hoses. For every coolant and breather hose in one go, see the full Stoney Racing coolant and breather hose kit for your engine.
Which clamps should I choose?
Spring clips give the most even clamping force for coolant hoses. Stainless worm-drive clamps will not rust and are easier to fit. T-bolt clamps are the strongest option.
Can I reuse my original clamps?
Often, yes. However, these hoses are slightly thicker than the originals, so some factory clamps may be too small.
Is my coolant compatible?
Most coolants are fine, but some types are not compatible with silicone. Check your coolant before fitting.
What warranty do I get?
Stoney Racing silicone hoses carry a 3-year warranty.
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