WG9719710004/2 Howo Wheel Solenoid Valve

WG9719710004/2 is a dedicated wheel solenoid valve for SINOTRUK HOWO heavy-duty trucks. It precisely controls the on-off of the air circuit for the wheel differential lock and exhaust brake system, ensuring reliable switching of driving functions, enhancing vehicle passability and braking safety, and adapting to complex working conditions such as mud, sand, slope, and heavy load.

Applicable Vehicles: SINOTRUK HOWO A7/T5G/T7H/TX/MAX series, SITRAK C5H/C7H series, HOHAN N5G/N6G/N7G series heavy-duty trucks

Adaptable Systems: Original factory differential lock system, exhaust brake system

OE Reference Number: WG9719710004/2

Interchangeability: Direct replacement of original factory parts without additional modification

Value-added Service: Support for vehicle configuration verification via VIN code

Main Dimensions: 115±2mm×70±2mm×50±2mm

Material Specification: Valve body made of high-strength aluminum alloy, spool with wear-resistant alloy steel, coil with pure copper winding

Rated Voltage: 24V (compatible with heavy-duty truck vehicle electrical system)

Rated Power: 18W

Operating Temperature: -40℃~120℃

Operating Pressure: 0.8~1.0MPa

Response Time: ≤0.1s

Sealing Grade: IP65

Service Pressure Range: 0.6~1.2MPa

Core Materials: High-strength aluminum alloy (valve body), wear-resistant alloy steel (spool), pure copper (coil), high-temperature resistant rubber (seal)

Surface Treatment: Valve body with anodizing anti-corrosion treatment, coil with insulating varnish and heat-resistant coating

Production Process: Precision die-casting (valve body), CNC machining (spool), automatic winding (coil), 100% air tightness and power-on testing before delivery

Production Line Capacity: Self-owned molds, monthly output ≥ 8000 units

Quality Grade: High-quality aftermarket parts, fully compliant with original factory technical standards

Inspection Items: Dimensional accuracy test, air tightness test, pressure resistance test, high and low temperature test, sealing test, durability test

Quality System: IATF16949, ISO9001 certified

Batch Tracking: Full batch traceability supported, each product marked with batch number and production date

Average Service Life: ≥ 5 years (or 400,000 kilometers)

Performance Improvement: Fast response, stable action; pure copper coil with low energy consumption and long life; IP65 sealing, excellent dustproof and waterproof performance

Harsh Environment Adaptation: Adaptable to -40℃ low temperature in northern regions and 120℃ high temperature under long-term braking; no air leakage, jamming or burnout failures

Fault Improvement and Replacement Value:

Common Fault Improvement: Solves original valve problems such as slow response, air leakage, spool jamming, and coil burnout

Maintenance Value: Direct replacement without modification, reducing maintenance time by 40%; long service life, lowering vehicle downtime and maintenance costs

Packaging Configuration: Plastic film + shockproof foam + carton + moisture-proof desiccant

Outer Carton Marking: OE number, applicable model, product name, quantity, batch number, gross weight, net weight

Product Marking: Laser marking of OE number, rated voltage, rated power, batch number

Customization Service: Support neutral packaging or customer brand customized packaging

Inventory Status: In-stock supply

Minimum Order Quantity (MOQ): 4 pieces

Delivery Cycle: 3 days for spot goods, 7–15 days for bulk customized orders

Supply Stability: Monthly output ≥ 8000 pieces, stable annual supply without capacity delay

Certification Qualifications: IATF16949, ISO9001 certified; third-party test reports available

Quality Guarantee Policy: 18-month warranty, 7-day free replacement for non-human damage

Technical Support: 24-hour online technical support, providing installation guidance and troubleshooting

Return and Exchange Policy: Accept returns/exchanges for non-human damage; freight borne by supplier

Northwest China: HOWO trucks working in desert and gravel areas, differential lock functions stably for over 4 years, no air leakage or failure

Mining Areas: HOWO heavy-duty trucks under heavy-load slope conditions, exhaust brake responds quickly, solenoid valve life exceeds 450,000 kilometers

Southeast Asia: Adapted to high-temperature and humid coastal climate, no corrosion or sealing failure, normal operation year-round

Installation: Tighten mounting bolts with 8–12N·m torque; connect air pipes and wires correctly; keep mounting surface clean to avoid air leakage.

Inspection: Check air pipe connections, wire plugs, and sealing for damage every 30,000 kilometers.

Storage: Store in dry, ventilated warehouse; avoid oil, corrosive substances, extrusion and collision.

Replacement: Replace immediately in case of slow response, air leakage, function failure or abnormal operation.

Q1: Does it support vehicle configuration verification?

A1: Yes, compatibility can be verified via vehicle VIN code.

Q2: What quality standards does it meet?

A2: Meets original factory technical standards and is IATF16949 & ISO9001 certified.

Q3: Are samples available?

A3: Yes, sample orders are supported; sample fee can be deducted from formal orders.

Q4: What payment methods are supported?

A4: T/T, L/C, Alipay, WeChat Pay, etc.

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