Stoney Racing
Mazda MX5 MK2 NB 1.6 Silicone Coolant & Breather Hose Kit
Mazda MX5 MK2 NB 1.6 Silicone Coolant & Breather Hose Kit
Pre-order: Blue, Red, Yellow, Purple, White and any Stainless T-Bolt options are made to order. Please allow 3–5 weeks for dispatch.
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Stoney Racing MX5NB-0013 Silicone Coolant & Breather Hose Kit – Mazda MX5 MK2 NB 1.6
The Stoney Racing MX5NB-0013 is a silicone replacement for the coolant and breather hoses on the Mazda MX5 MK2 NB 1.6, 1998–2005.
The kit replaces 10 hoses in the engine bay, covering the radiator, heater matrix, thermostat, throttle body, expansion tank and breather system in one go. 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 10 coolant and breather hoses
- Fits manual Mazda MX5 MK2 NB 1.6 models, 1998–2005
- Manual transmission, 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 | MX5NB-0013 |
| Vehicle | Mazda MX5 / Miata MK2 (NB) |
| Model Years | 1998–2005 |
| Engine | 1.6 B6-ZE |
| Transmission | Manual |
| Hoses in Kit | 10 |
| 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 hose
- Heater matrix inlet hose
- Heater matrix outlet hose
- Thermostat bypass coolant hose
- Throttle body to inlet manifold coolant hose
- Thermostat housing to throttle body coolant hose
- Radiator to expansion tank hose
- PCV valve to inlet manifold breather hose
- Cam cover to air intake breather 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?
- 10 × 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 MK2 1.8?
No. The MX5NB-0013 is for the 1.6 B6-ZE engine only. The 1.8 has its own kit.
Does it fit automatic cars?
Stoney Racing lists this kit for manual MX5 MK2 1.6 models. If you have an automatic, please contact us before ordering.
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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