Vol Truck Dual-Circuit Protection Air Brake Valve with High-Grade Cast Aluminum Body and ISO 9001 Certification
Price:
$110/Negotiable
MOQ:
10PCS/Negotiable
Delivery Time:
2-15DAYS
Brand:
Original factory and auxiliary factory
Product Description
Vol Engine Air Brake Valve Spare Parts
Direct-fit replacement for OEM part numbers: VOE 21991157, VOE 20837594, VOE 21707054, VOE 23532368
Ensure reliable and safe braking performance in your Vol truck, bus, or construction vehicle with this high-quality air brake control valve. This critical component is designed as a direct replacement for specified OEM part numbers and plays a vital role in the pneumatic braking system.
Product Overview
Commonly referred to as an air brake relay valve, dual circuit protection valve, or brake modulating valve, this component regulates air pressure distribution between front and rear axles, ensuring balanced braking force and fail-safe operation in case of partial system failure. Engineered for durability and precision response, it meets or exceeds VOL's stringent performance standards and is ideal for heavy-duty applications in long-haul transport, regional freight, mining, and municipal fleets.
Key Features
- Distributes air pressure to front/rear brakes for balanced braking
- Ensures fail-safe operation in case of partial system failure
- Enables quick brake application and release (reduces lag)
- High-grade cast aluminum body with zinc-plated steel fittings
- Nitrile rubber seals resistant to oil and air contaminants
- Operating temperature range: -40°C to +80°C (-40°F to +176°F)
Technical Specifications
| Product Name | Air Brake Control Valve / Relay Valve for Volv Engines & Trucks |
|---|---|
| OEM Part Numbers | VOE 21991157, VOE 20837594, VOE 21707054, VOE 23532368 |
| Alternative Numbers | 21991157, 20837594, 21707054, 23532368, 21991157-20837594 Kit (valve + gasket) |
| Vehicle Fitment | Volv Trucks: FH, FM, FM9, FM10, FL, NH, NL Series Volv Buses: 7700, 7900, 8500, 9700 Series Volv Construction: EC300, EC460, L350, L150H (pneumatic brake models) |
| Engine Compatibility | D12D, D13A, D16C, D7E, D9A, and other air-braked Volv diesel engines |
| Valve Type | Dual-Circuit Protection Valve / Relay Valve / Brake Modulator |
| Port Configuration | G1/4" or 1/4" NPT - Standard ISO Metric Threads (P1, P2, A, B, T ports) |
| Operating Pressure | 7-12 bar (100-175 psi) normal working range |
| Material | High-Grade Cast Aluminum Body with Zinc-Plated Steel Fittings |
| Seals & Diaphragms | Nitrile Rubber (NBR) - Oil & Air Contaminant Resistant |
| Temperature Range | -40°C to +80°C (-40°F to +176°F) |
| Warranty | 12 Months / 12,000 miles (limited warranty) |
| Certifications | ISO 9001, TS 16949, ECE R27, E-Mark Compliant |
| Package Includes | 1x Air Brake Valve, Rubber Gasket Set, Installation Instructions |
Vehicle Fitment Details
| Brand | Model | Years |
|---|---|---|
| Vol | FH16 | 1993-1999 |
| Vol | FMX II | 2012- |
| Vol | VNL | 2013-2016 |
| Vol | FH 16 II | 2009- |
Product Images
Manufacturer Profile
Haifeng Auto Parts: Engineering Confidence into Every Drive
For years, Haifeng Auto Parts has been the trusted name behind the high-performance components that keep vehicles running safely and smoothly. We understand that in the automotive world, quality isn't just a feature—it's the foundation of trust. That's why we've built our entire operation around one promise: delivering uncompromising quality.
Quality Assurance
- Precision Manufacturing: Advanced automated production lines craft each part with exceptional accuracy
- Extreme Testing: Comprehensive temperature, wear, and seal integrity testing
- Proven Performance: Trusted by top auto manufacturers for critical systems
Contact Us for Transmission Gearbox Parts Solutions
Phone: +86 189 3190 5860
Email: huzilong9566@gmail.com
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Company
Guangzhou Haifeng Auto Parts Co., Ltd.
Location
Xinguangcong Auto Parts City, Helong Street, Baiyun District, Guangzhou City, Guangdong Province
Contact Person
Harris