81.61967.0016 F2000 Heater Air Solenoid Valve

81.61967.0016 is a dedicated heater air solenoid valve exclusively designed for SHACMAN F2000 series heavy-duty trucks, serving as the core control component of the vehicle cab heater air system. It is controlled by the cab heater switch, precisely regulating the on-off of compressed air in the heater pipeline, and cooperating with the heater core to realize the switching and temperature adjustment of cab warm air.

Engineered for commercial vehicle harsh working conditions, it adopts high-sealing solenoid control design, ensuring sensitive response and stable air flow control. It effectively adjusts the air supply volume of the heater system according to the driver's needs, provides a comfortable driving environment for the driver in low-temperature regions, prevents the cab from freezing and fogging of the windshield, and adapts to long-haul transportation, northern cold region operation, and complex road driving scenarios of F2000 series heavy-duty trucks.

Applicable Vehicles: SHACMAN F2000 series (F2000 Tractor, F2000 Dump Truck, F2000 Cargo Truck, F2000 Special-Purpose Vehicle); fully compatible with F2000 cab standard heater system.

Adaptable Systems: Original factory cab heater air system, perfectly matching the vehicle's pneumatic system (0.6-0.8MPa), heater core, air blower, and heater pipeline assembly.

OE Reference Number: 81.61967.0016

Interchangeability: Direct plug-and-play replacement. The mounting hole position, air inlet/outlet interface, and wiring connector are 100% identical to the OE part. No need to modify the cab heater pipeline, pneumatic system, or electrical wiring harness, and the replacement can be completed quickly.

Value-added Service: Support vehicle VIN code-based configuration verification to distinguish between standard and cold-region enhanced versions; provide matching suggestions for heater system pipeline maintenance and air tightness testing.

Main Dimensions: Valve body length 85±2mm × width 60±1mm × height 70±1mm; mounting hole center distance 55±0.5mm × 45±0.5mm; air inlet/outlet interface specification: M12×1.25 (standard thread for F2000 heater system).

Electrical Specifications: Rated Voltage: 24V DC; Rated Power: 15W; Response Time: ≤0.15s (sensitive on-off control); Solenoid Coil Resistance: 38±2Ω (at 25℃).

Material Specification: Valve body: High-strength aluminum alloy (die-casting forming); Solenoid core: 45# carbon steel (quenched and tempered); Sealing ring: Nitrile rubber (NBR, high oil resistance, high temperature resistance); Valve core: Precision ground stainless steel.

Operating Temperature Range: -40℃ ~ +120℃ (resists extreme cold in northern regions and high temperature of engine compartment heater pipeline).

Protection Grade: IP65 (dust-tight, waterproof against road splash and light rain, suitable for cab under-dashboard installation environment).

Pneumatic Performance: Rated Working Pressure: 0.6-0.8MPa; Maximum Working Pressure: 1.0MPa; Sealing Performance: No air leakage under 1.2 times rated pressure for 30min, pressure drop ≤0.01MPa.

Service Life: ≥ 1.5 million on-off cycles (equivalent to 6 years of normal use for heavy trucks).

Core Materials: High-strength aluminum alloy (valve body, light weight, high pressure resistance, good heat dissipation); 45# carbon steel (solenoid core, high magnetic conductivity, wear resistance); 304 stainless steel (valve core, corrosion resistance, precise control); NBR nitrile rubber (sealing ring, oil resistance, aging resistance); Pure copper wire (solenoid coil, low resistance, high efficiency).

Surface Treatment: Aluminum alloy valve body adopts electrophoretic coating (anti-corrosion, anti-scratch, adapts to cab under-dashboard humid environment); Solenoid coil adopts high-temperature insulation coating (prevents burnout); Thread interface adopts nickel plating (anti-corrosion, good air tightness).

Production Process: Precision die-casting (valve body blank); CNC machining (air interface and mounting holes); Precision grinding (valve core and solenoid core); Solenoid coil winding (automatic winding, uniform winding); High-pressure sealing assembly; Electrical performance calibration; Air tightness test; 100% on-off performance inspection before leaving the factory.

Production Line Capacity: Equipped with automatic solenoid valve assembly and testing production lines, monthly output ≥ 12,000 pieces.

Quality Grade: OE-Matched High-Quality Part, fully compliant with SHACMAN original factory technical standards and GB/T 7939 "Pneumatic Components - General Technical Specifications" national standard.

Inspection Items: Dimensional accuracy test; Electrical performance test (coil resistance, response time); Pneumatic performance test (air tightness, pressure resistance); High and low temperature aging test; Salt spray corrosion test (≥ 1000 hours); Solenoid valve on-off cycle test.

Quality System: IATF 16949, ISO 9001 certified, strict implementation of incoming material inspection, process inspection and final product inspection; each product passes 3 rounds of air tightness and electrical performance testing.

Batch Tracking: Each heater air solenoid valve is laser-marked with OE number, batch number and production date on the valve body; complete production and test records are retained for 3 years, supporting full batch traceability.

Average Service Life: ≥ 6 years or 400,000 kilometers under normal operating conditions.

Performance Improvement:

Sensitive Solenoid Control: Fast response time (≤0.15s), on-off control is accurate and stable, realizing rapid switching of heater warm air.

Enhanced Sealing Performance: Double NBR sealing ring design, combined with precision ground valve core, effectively prevents air leakage, ensures stable air supply volume of the heater system.

Low-Temperature Adaptability: Special low-temperature grease and insulation design, normal operation at -40℃, no solenoid coil failure or valve core jamming due to low temperature.

Harsh Environment Adaptation:

Low Temperature: Normal on-off control at -40℃, no sealing ring hardening or valve core jamming;

Humidity Resistance: IP65 protection grade, adapts to cab under-dashboard humid environment, no internal short circuit or corrosion;

Vibration Resistance: Special anti-loosening structure, resists long-term vehicle driving vibration, no solenoid coil loosening or valve body deformation;

Oil Resistance: NBR sealing ring resists lubricating oil and hydraulic oil erosion in the pneumatic pipeline, no aging or leakage.

Common Fault Improvement: Solves common OE aftermarket problems such as air leakage, slow response, solenoid coil burnout, valve core jamming, warm air switching failure, and insufficient air supply volume of the heater system.

Maintenance Value:

Time-Saving: Direct bolt-on and plug-in replacement, no need for professional pipeline modification, one technician can complete replacement within 15 minutes;

Cost-Effective: Core component replacement avoids the need to replace the entire heater system, reducing maintenance costs significantly;

Comfort Guarantee: Restores the normal control function of the heater system, ensures stable warm air supply in cold regions, improves driver driving comfort and safety.

Packaging Configuration: Individual EPE anti-collision foam wrapping (full coverage of valve body) + transparent plastic film (moisture-proof, dust-proof) + corrugated carton; air inlet/outlet interfaces are protected by plastic caps to avoid thread damage; bulk orders are packed with partitioned cartons + wooden pallets.

Outer Carton Marking: OE No. 81.61967.0016, Product Name (F2000 Heater Air Solenoid Valve), Applicable Models (SHACMAN F2000 Series), Voltage (24V), Quantity, Gross Weight/Net Weight, Protection Grade (IP65), Anti-Collision and Moisture-Proof Warning Signs.

Product Marking: Laser engraving on the valve body includes OE Number, 24V, Rated Pressure (0.6-0.8MPa), Batch Number and Production Date; the wiring connector is marked with positive and negative poles (Red-Positive, Black-Negative) for easy wiring; air inlet/outlet are marked with "IN/OUT" for clear pipeline connection.

Customization Service: Support neutral packaging or customized branding; can provide enhanced sealing versions for extreme cold regions (-50℃) to meet special user needs.

Inventory Status: In-stock supply for SHACMAN F2000 series mainstream models, sufficient stock for emergency maintenance orders.

Minimum Order Quantity (MOQ): 1 piece for sample testing; 50 pieces for bulk order.

Delivery Cycle:

Stock: 1-3 working days;

Bulk Order: 7-10 working days;

Customized Extreme Cold Version: 10-15 working days.

Supply Stability: Long-term stable supply of core materials (aluminum alloy, stainless steel, NBR rubber); strategic safety stock is maintained to cope with urgent orders from SHACMAN service stations and dealers.

Certification Qualifications: CCC (China Compulsory Certification), IATF16949, ISO9001; compliant with GB/T 7939 national standard; can provide third-party air tightness, electrical performance and low-temperature test reports.

Quality Guarantee Policy: 24-Month Warranty; free replacement for non-human damages such as solenoid coil burnout, air leakage, valve core jamming, and wiring failure.

Technical Support: 24-hour online technical response, providing installation guidance, wiring diagram and fault diagnosis solutions (e.g., valve not on-off, warm air not switching, air leakage); offer training on heater system air tightness testing.

Return and Exchange Policy: 7-day no-questions-asked return for unused products in original packaging; defective products are replaced with freight prepaid by the seller, ensuring minimal impact on vehicle operation.

Case 1: Northern China Extreme Cold Region TransportationApplication: F2000 tractors operating in Heilongjiang and Inner Mongolia (winter temperature as low as -38℃).Result: The solenoid valve runs stably in extreme low temperature, no valve core jamming or solenoid coil failure; fast response realizes rapid warm air switching, the cab temperature can reach a comfortable level within 10 minutes, and the windshield has no fogging, ensuring driving safety; service life exceeds 450,000 kilometers.

Case 2: Northwest Long-Haul TransportationApplication: F2000 cargo trucks operating in Gansu and Qinghai (large day-night temperature difference, dusty environment).Result: IP65 dust-proof and waterproof performance prevents sand and dust from entering the valve body, avoiding valve core jamming; electrophoretic coating of the valve body resists wind and sand erosion, no corrosion after 5 years of use; stable air supply volume ensures consistent warm air temperature, improving driver comfort during long-haul driving.

Case 3: Northeast Construction SiteApplication: F2000 dump trucks operating in Liaoning construction sites (humid, dusty, frequent vibration).Result: The anti-loosening structure resists long-term vehicle vibration, no solenoid coil loosening or valve body deformation; enhanced sealing design prevents air leakage, the heater system maintains stable air pressure, and the cab remains warm even in cold and humid construction site environments, reducing driver fatigue.

Installation:

Disconnect the negative battery terminal before installation to prevent short circuit of the solenoid coil;

Clean the mounting surface and air pipeline interface to remove dust, oil and debris, ensure the sealing ring fits tightly;

Tighten the mounting bolts with the specified torque (12-15 N·m) to avoid vibration noise and air leakage;

Connect the wiring according to the positive and negative marks on the connector, and connect the air pipeline according to the "IN/OUT" mark; test the on-off function and air tightness before completing installation.

Inspection: Regularly check the valve body for air leakage, and the wiring connector for looseness and corrosion every 20,000 kilometers; clean the valve body surface and air interface regularly to remove dust and debris; check the solenoid coil for overheating during use.

Storage: Store in a dry, ventilated warehouse with relative humidity ≤ 75%, avoid contact with water, oil and corrosive substances; place horizontally to avoid valve body deformation; the air interface and wiring connector should be protected to prevent dust entry; avoid long-term exposure to sunlight to prevent insulation aging.

Replacement: Replace with the same OE model (81.61967.0016); after replacement, test the warm air switching function and air tightness to ensure normal operation; it is recommended to check the heater pipeline for blockage at the same time to avoid affecting the use effect.

Q1: How to confirm that this heater air solenoid valve matches my F2000 truck?

A1: Please provide your vehicle model (e.g., F2000 Dump Truck) or VIN code, and we will verify the compatibility of the valve's mounting dimensions, interface specification, and wiring connector with your F2000 heater system to ensure perfect fit.

Q2: Why is there no warm air after installing the new solenoid valve?

A2: Please check two points: 1. Whether the wiring is correct (positive and negative poles are not reversed); 2. Whether the air inlet/outlet are connected reversely (follow the "IN/OUT" mark on the valve body). If both are correct, check whether the heater core is blocked or the air blower is faulty.

Q3: What are the signs that the heater air solenoid valve needs to be replaced?

A3: ① No warm air or warm air cannot be switched off; ② Air leakage at the valve body or interface; ③ Slow response of warm air switching (delay > 0.5s); ④ Solenoid coil burnout (no response when the switch is pressed); ⑤ Insufficient warm air volume due to valve core jamming.

Q4: Can samples be provided for installation and performance testing?

A4: Yes, sample supply is supported. The sample fee can be fully deducted from the subsequent formal order, and the sample delivery cycle is 2-3 working days; extreme cold version samples can also be provided if needed.

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