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Wabco S4005001020 - Abs - Trailer Abs Ecu Valve Assembly
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Wabco S4005001020 - Abs - Trailer Abs Ecu Valve Assembly
WABCO is at the frontline at developing and providing products and systems to make vehicles safer and easier to control.
Wabco S4005001020 - Abs - Trailer Abs Ecu Valve Assembly
Item #: 104807470

Wabco S4005001020 - Abs - Trailer Abs Ecu Valve Assembly

Item #: 104807470
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WABCO is at the frontline at developing and providing products and systems to make vehicles safer and easier to control.
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What Stands Out

High Reliability
The Wabco S4005001020 ensures consistent and reliable performance under heavy conditions, minimizing the risk of malfunctions for optimal safety and efficiency in trailer operations.
Precise Control
Designed for precision, this Ecu Valve Assembly offers superior control over braking systems, enhancing vehicle stability and response time during crucial driving situations.
Durable Construction
Built with high-quality materials, the Wabco assembly withstands harsh environments and extensive use, ensuring longevity and reduced maintenance costs for fleet operators.

Product Details

Shop Wabco S4005001020 - Abs - Trailer Abs Ecu Valve Assembly online at a best price in New Zealand.
  • Wabco Abs Valve And Electronic Control Unit Assembly
  • Exact fitment and original replacement
  • Designed to deliver trouble-free, consistent performance
Country of OriginThis item will be imported from US

Product Technical Details

Manufacturer‎Wabco
Brand‎Wabco
Model‎Wabco S4005001020
Item Weight‎5.4 pounds
Package Dimensions‎9.5 x 9.5 x 7 inches
Item model number‎S4005001020
Exterior‎Machined
Manufacturer Part Number‎S4005001020

What's in the box

Wabco S4005001020

Who Should Buy?

Suitable For
  • Fleet Operators

    Ideal for businesses managing multiple trailers that need reliable ABS functionality for safety and compliance.

  • Maintenance Professionals

    Suitable for technicians specializing in trailer systems, offering an efficient solution for ABS repairs and upgrades.

  • Transport Companies

    Great for companies that prioritize the safety of their cargo, ensuring optimal braking performance under all conditions.

Not Suitable For
  • Casual Users

    Not suitable for individual users who do not operate commercial trailers or require advanced braking systems.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Wabco S4005001020 - ABS - Trailer ABS ECU Valve Assembly?

    Answer: The Wabco S4005001020 is a sophisticated ABS ECU Valve Assembly designed for trailer applications. It serves a critical function by managing the anti-lock braking system (ABS), ensuring optimal braking performance and vehicle control during various driving conditions. This assembly is particularly beneficial for large vehicles and trailers, where maintaining stability during braking is essential. It provides safety and performance enhancements, making it a vital component for fleet operators and individuals who rely on large vehicles.
  • Question: What are the key features of the Wabco S4005001020?

    Answer: The Wabco S4005001020 boasts several advanced features, including integrated brake control, precise modulation of brake pressure, and enhanced diagnostics capabilities. This model not only ensures the prevention of wheel lock during emergency braking but also supports improved braking response. Its robust design is engineered for durability, suitable for diverse environmental conditions and heavy-duty applications. Fleet operators appreciate its reliability, as it helps in maintaining optimal braking performance across various load conditions.
  • Question: How does the ABS system in the Wabco S4005001020 work?

    Answer: The ABS system in the Wabco S4005001020 operates by using sensors to monitor wheel speed, applying brake pressure to individual wheels as needed to prevent locking. When sudden braking occurs, the system automatically adjusts the brake force to each wheel, allowing the vehicle to maintain traction and steerability. This proactive management enhances safety during abrupt stops or slippery road conditions. Such functionality is essential for trailers, where stability is critical during heavy braking situations.
  • Question: Is the Wabco S4005001020 compatible with all trailers?

    Answer: While the Wabco S4005001020 is designed to fit a wide range of trailers, compatibility depends on specific vehicle configurations and brake systems. It's crucial to consult the vehicle's maintenance manual or a qualified technician to verify compatibility. Installing a valve assembly that doesn't match your trailer specifications can lead to suboptimal performance. This model is popular among various trailer brands, making it a versatile choice, yet checking specifics before purchase is always recommended.
  • Question: What are the common signs of a failing ABS ECU valve assembly?

    Answer: Common signs of a failing ABS ECU valve assembly include warning lights on the dashboard, irregular brake response, and unusual noises during braking. You may also notice decreased traction on wet or slippery roads, which indicates that the ABS is not functioning correctly. If the trailer feels unstable or the brakes are locking up unexpectedly, it is advisable to have the assembly inspected. Addressing these issues promptly can prevent more severe problems and enhance overall safety.
  • Question: Can I install the Wabco S4005001020 myself?

    Answer: While it's possible to install the Wabco S4005001020 yourself if you have the right tools and mechanical expertise, it's highly recommended to seek professional assistance. Proper installation requires understanding the braking system's intricacies, including wiring and hydraulic connections. Incorrect installation can lead to safety hazards or performance issues. If you choose to do it yourself, ensure you follow the manufacturer's instructions closely and consult with professional mechanics if uncertain.
  • Question: What maintenance does the Wabco S4005001020 require?

    Answer: The Wabco S4005001020 requires routine inspections to ensure optimal functionality. This includes checking for any leaks, corrosion, or damage to the valve assembly and surrounding brake components. Regularly monitoring brake fluid levels and ensuring that the electrical connections are secure can also keep the ABS functioning effectively. Keeping an eye on these aspects ensures long-term reliability and maintains safe braking performance over time.
  • Question: What benefits does the Wabco S4005001020 offer for fleet management?

    Answer: For fleet management, the Wabco S4005001020 provides enhanced safety features and improved vehicle control, which are vital for minimizing accidents and maintaining compliance with safety regulations. Its advanced braking technology leads to better handling and stability, reducing wear and tear on tires and other components. By investing in reliable braking systems like this one, fleet operators can enjoy lower maintenance costs and improved operational efficiency over time.
  • Question: Where can I buy the Wabco S4005001020 - ABS - Trailer ABS Ecu Valve Assembly?

    Answer: You can buy the Wabco S4005001020 - ABS - Trailer ABS ECU Valve Assembly on Ubuy. Ubuy is renowned for providing a wide range of automotive parts and components, ensuring you find what you need with ease. Their platform offers detailed product descriptions and customer reviews, making it easier for you to make informed purchasing decisions.
  • Question: Does the Wabco S4005001020 replace other ABS valve assemblies?

    Answer: The Wabco S4005001020 can replace other ABS valve assemblies, but compatibility must be confirmed before making a switch. Different trailers may use unique ASS designs based on vehicle manufacturer specifications. Before replacing your current valve assembly, consider consulting the technical specifications or a professional mechanic to ensure a proper match. This replacement can improve braking performance if you have been experiencing issues with your existing assembly.

Wabco Brake Controls ‎S4005001020 Editorial Review

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Pros

  • High durability and reliability
  • Easy installation process
  • Improves braking performance
  • Compatible with various trailers
  • Budget-friendly for quality offered

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Ranee
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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”

22 July 2026 · via Trustpilot
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“very speedy delivery,tracking info was superb-best experikence ever!!!”

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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”

22 June 2026 · via Trustpilot
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Dneah
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“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

15-Jul-26 · via Trustpilot
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Tania
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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”

11-Jul-26 · via Trustpilot
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Features & Benefits

  • WABCO specializes in enhancing vehicle safety.
  • Products designed for cars, buses, trucks, and trailers.
  • Founded in 1869, ensuring over a century of expertise.
  • Provides original replacement parts for reliable performance.
  • Exact fitment guarantees trouble-free use.
  • Focuses on braking, stability, and suspension systems.

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