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The HKS Silicon-hose Purple 100 L=70 is designed for custom or universal systems that match its exact dimensions and interface. Match manufacturer part number 1803-SA040, the complete vehicle or system configuration, dimensions, connections, and included components before ordering.
Key Features
- 100mm Inner Diameter – Perfect match for HKS 100mm aluminum piping.
- 70mm Length – Ideal short coupler for tight spaces and custom routing.
- HKS Purple Silicone Hose (100mm ID x 70mm Length).
- A: We recommend 100–110mm stainless steel hose clamps for a secure fit.
- Compatible with HKS aluminum intercooler pipes and most aftermarket setups.
- A: This is a **straight** silicone hose coupler (70mm long).
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal | Specification matched | Custom application | Confirm every dimension, material, connection, electrical requirement, and interface |
Specifications
| Brand | HKS |
|---|---|
| Manufacturer Part Number | 1803-SA040 |
| Product Type | Silicone Couplers & Hoses |
| Fitment Type | Universal |
| Condition | New |
| Type | Silicone Hose Coupler |
| Inner Diameter | 100 mm |
| Length | 70 mm |
| Color | Purple |
| Material | High-Grade Silicone |
| Wall Thickness | Consistent (Performance Grade) |
| Country of Origin | Japan |
| Warranty | HKS Limited Warranty |
| Universal Custom Builds | Compatible with most 100mm ID aluminum piping for intake and intercooler systems |
| HKS Intercooler Kits | Perfect match for HKS 100mm piping components |
What's Included
One new HKS silicone couplers & hoses identified by manufacturer part number 1803-SA040, in the quantity stated by the title. Additional wiring, pipes, hoses, clamps, fittings, gaskets, fluids, tuning, tools, and installation hardware are included only when expressly listed for this exact part number.
About HKS
HKS develops exhaust, forced-induction, cooling, engine, electronics, and exterior components for import and performance vehicle applications.
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Frequently Asked Questions
How do I confirm this HKS part is correct?
Match the exact manufacturer part number, dimensions, material, finish, quantity, electrical requirements, and connection or mounting interface before ordering.
Is this a complete kit?
Only the components stated in the title and What’s Included section are supplied. Related wiring, fittings, hoses, clamps, sensors, tools, or hardware may be sold separately.
Can this part be used in a custom application?
Universal parts may work when every dimension and interface is verified. Vehicle-specific or system-specific parts should not be treated as universal without current manufacturer confirmation.
Installation Instructions
Follow the current HKS instructions and the vehicle service manual for part number 1803-SA040. Compare every component, connection, dimension, and mounting point before disassembly. Use the correct tools, fasteners, torque values, fluids, wiring protection, and safety procedures, then inspect for leaks, interference, heat exposure, clearance, and secure operation before normal use.
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