High-performance series
Designed for high-temperature, high-pressure environments — ideal for intake upgrades, racing engine optimization and accessory upgrades, with superior sealing, anti-aging and stability.
High-performance silicone hoses · Auto & Moto
Silicone hosesbuilt forthe extreme
Designed for extreme temperatures, high pressure and racing-grade performance. From your first concept and mold to samples and final delivery — your dedicated partner for custom automotive components.
Weihai Shanhaiyuan Auto Parts Co., Ltd.
Who we are
Professional silicone hose solutions for auto & moto
Weihai Shanhaiyuan Auto Parts Co., Ltd. was established on January 23, 2025. Although we are a newly founded auto parts company, our team and engineers bring over 10 years of professional foreign-trade experience, rich technical expertise and a customer-centred way of thinking to every order.
We are a professional manufacturer and supplier of high-performance silicone hose products for the global automotive aftermarket — actively expanding into European and American markets and looking forward to partnering with tuning brands, distributors and performance car enthusiasts.
More about us- Years of foreign-trade experience
- 10+
- Years of foreign-trade experience
- Silicone hose categories
- 12
- Silicone hose categories
- Inspection before shipping
- 2x
- Inspection before shipping
- Company established
- 2025
- Company established
Core advantages
Performance, craftsmanship & customization
End-to-end in-house production
A professional mold workshop responds swiftly to custom requests; modern facilities and an experienced team control every stage from raw material to finished product.
Customized services
Flexible options for color, size and performance parameters — and products tailored to regional standards for European and American markets.
Product range
12 silicone hose categories
Our core products are silicone hoses, radiators and intercoolers for automotive and motorcycle. Every category can be customized in size, color and branding.
01Customized Silicone Hose
Vehicle-specific intake & coolant hose kits built from your drawing, sample or 3D data.
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02Straight Silicone Hose
Reinforced straight lengths and couplers for intake, intercooler and coolant connections.
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03Silicone Vacuum Hose
Small-bore silicone tubing for vacuum lines, boost sensors and breather lines.
View details04Silicone Hump Hose
Single, double or triple hump couplers that absorb engine movement and vibration.
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05Silicone Hose with Clamps
Ready-to-install hose and clamp sets for a faster, more secure fit.
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06Two-color Mixed Silicone Hose
Different inner and outer colors for a distinctive, brand-matched look.
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0745° Silicone Elbow
Gentle 45-degree bends for smooth airflow around tight engine-bay corners.
View details0890° Silicone Elbow
The most popular elbow for turbo, intercooler and radiator connections.
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09T-piece Silicone Hose
T-shaped hoses for branching coolant, vacuum or blow-off valve connections.
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10135° Silicone Elbow
Wide 135-degree bends for routing pipes back on themselves in tight spaces.
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11180° Silicone U-bend
U-shaped hoses that reverse flow direction in a single piece.
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12Silicone Reducer Hose
Join two different pipe diameters with a smooth, leak-free transition.
View detailsWhy work with us
Saving you time, cost & energy
01
• High Quality
Double inspection confirms every product is right before it ships — saving you time and earning your own customers’ trust.
02
• OEM
Fully customized service, from molds to packing method — we make products to your exact needs.
03
• Fast Delivery
We cooperate with professional logistics partners to deliver within the agreed delivery period.
04
• Inspection
Every order is checked and re-inspected before leaving the factory to meet international quality standards.
05
• Product Pictures
We can take product photos on a white background, ready for your website or marketplace listings.
06
• Customer Service
Order follow-up, warehousing if you need it, and fast answers to any question — we are here to help.
From concept to delivery
Full transparency — updates at every stage
- 01
Concept
Share your drawing, sample, 3D data or vehicle details. Our engineers confirm specs with you.
- 02
Mold
Our in-house mold workshop builds tooling quickly for special shapes and sizes.
- 03
Sample
Samples are measured, photographed and sent for your test-fit and approval.
- 04
Production
Controlled from raw material to finished product, with proactive progress updates.
- 05
Inspection
Inspected, then re-inspected before leaving the factory. White-background photos on request.
- 06
Delivery
Custom packing and professional logistics partners — shipped within the agreed delivery period.
Quality assurance
Quality is our top priority
We have strict quality inspection standards and carry out a second inspection before goods leave the factory, ensuring all products meet international quality standards.
Service commitment
On time — never wasting your time
We strictly follow the time given by our customers and deliver within the delivery period. We keep supplying high-quality products, with customized solutions and excellent after-sales service.
Knowledge hub
Silicone hose guides
Contact us quickly
Let’s build your custom silicone hose line
Send us a drawing, sample photos or vehicle details and we will confirm specifications and quote.