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  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
  • For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0
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For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0

  • 50 - 199 Sets
    $2.80
  • 200 - 999 Sets
    $2.65
  • >= 1000 Sets
    $2.50
View product details

For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Ventilation Control: Designed to manage crankcase vapors and pressure in diesel engines, preventing contamination and ensuring optimal engine performance.
  • Material Durability: Constructed from corrosion-resistant stainless steel and synthetic polymers, ensuring longevity in harsh environments like diesel engine compartments.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • Material Technology

  • 2. Simplified Maintenance Design

    • Interactive Design

  • 3. High-Pressure Tolerance

    • Performance Parameters

  • 4. Universal Fitment for Commercial Vehicles

    • Scenario Solutions

  • 5. OEM-Genuine Certification

    • Certification Standards

Product details

For GWM Applicable to Isuzu Engine Genuine Ventilation Valve 8-94250172-0 8-97119887-0 8-97365992-0 8-98226101-1 8-94329549-0

The GWM Isuzu Engine Ventilation Valve is a precision-engineered component designed for heavy-duty applications, ensuring optimal airflow and pressure regulation in diesel engines. Crafted from high-grade steel, it is compatible with multiple engine models, including Isuzu 4JA1, 4BA1, and GWM pickups, and supports displacements up to 2.8L. Its corrosion-resistant materials and robust design make it ideal for harsh industrial environments.

Technical specifications

FeatureSpecificationBenefit
MaterialSteelEnsures durability and resistance to corrosion in high-pressure systems.
Engine Compatibility2.8L diesel engines (AFC, AHA, DSL, GM, etc.)Universal fitment for Isuzu and GWM models, simplifying maintenance.
Pressure RatingUp to 150 psiSafely manages extreme pressure fluctuations in heavy-duty operations.
Temperature Range-30°C to 150°COperates reliably in extreme temperatures, from cold starts to high loads.
CertificationISO 9001, SAE J1939Meets global automotive and industrial quality standards.

Customization guide

Adjustable parameters include diaphragm thickness (for varying pressure needs) and spring tension (to optimize sealing force). Custom material coatings (e.g., Teflon) can be added for enhanced chemical resistance in corrosive environments.

Get inspired

Ideal for applications requiring precise airflow control in diesel engines, such as construction vehicles, agricultural machinery, and heavy-duty trucks. With its corrosion-resistant steel construction, this valve ensures long-term reliability even in abrasive or wet conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeStandard SteelStainless Steel (+20%)Duplex Steel (+40%)
Max Pressure120 psi150 psi200 psi*
Temperature Range-20°C to 120°C-30°C to 150°C-40°C to 180°C
Corrosion Resistance500 hours salt spray1,000 hours (+100%)2,000 hours (+300%)

*Exceeds industry benchmarks by 33% in pressure tolerance.

Supplier's note

  1. Technical Breakthroughs:

    • Duplex Steel in Pro Model: Triple the corrosion resistance of standard steel, enabling use in marine or chemical environments.
    • Enhanced Spring Design: The Advanced Model’s pre-tensioned springs reduce wear by 25%, extending service life.
    • Universal Compatibility: A single valve fits 12+ engine variants, cutting inventory costs for fleet managers.

  2. Version Selection Guide:

    • Base Model: Suitable for standard pickups and light commercial vehicles where cost efficiency is prioritized.
    • Advanced Model: Ideal for construction and mining fleets requiring resistance to extreme temperatures and pressures.
    • Pro Model: Recommended for offshore or chemical processing applications where prolonged exposure to corrosive fluids is common.

With the Pro Model’s Duplex Steel, you can safely handle aggressive chemicals, while the Advanced Model’s springs ensure longevity in high-stress environments. Pair the Base Model with routine maintenance for reliable performance in everyday use.

Frequently asked questions

  • Which GWM Isuzu engine models use the ventilation valve part numbers 8-94250172-0 or 8-97119887-0?

  • What makes this ventilation valve suitable for diesel pickups with 2.8L engines?

  • How do I clean and maintain the diaphragm valve in my Isuzu diesel engine?

  • Can this ventilation valve handle corrosive fluids in industrial diesel engines?

  • Why is steel the preferred material for this GWM Isuzu ventilation valve?

  • Is customization available for non-listed Isuzu engine codes (e.g., 4HK1 or 4HF1)?

  • Does this ventilation valve meet safety standards for food-grade applications?

  • How does the design simplify installation in Isuzu pickup trucks?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh industrial environmentsIndustry Standard: Carbon Steel (ASTM A36)
Our Base: Stainless Steel 304 (ASTM A240) ▲
Our Advanced: Stainless Steel 316 (ASTM A269) ▲▲		Corrosion resistance increases with tiers; 316 resists acidic/diesel fumesHigher cost for advanced materials (316 ≈ 30% costlier than 304)
Corrosion ResistanceMarine/Chemical ProcessingIndustry Standard: 100 hours salt spray (ASTM B117)
Our Base: 300 hours ▲
Our Advanced: 500+ hours ▲▲		Extended lifespan in corrosive fluids (e.g., diesel exhaust)Base tier may degrade in prolonged acidic exposure
CompatibilityMulti-engine fleetsIndustry Standard: 5+ engine models
Our Base: 15+ models ▲
Our Advanced: Universal fit (20+ brands/models) ▲▲		Reduces inventory costs for mechanics servicing diverse fleetsUniversal fit may require minor adjustments for non-listed models
Noise ReductionUrban/Residential AreasIndustry Standard: 55 dBA (louder than conversation)
Our Base: 48 dBA ▲
Our Advanced: 43 dBA ▲▲ (quieter than refrigerator hum)		Minimizes noise complaints in densely populated areasAdvanced tier adds weight (15% heavier) for sound dampening
Temperature ToleranceExtreme Climate OperationsIndustry Standard: -20°C to 80°C
Our Base: -30°C to 100°C ▲
Our Advanced: -40°C to 120°C ▲▲ (tested per ISO 16750-3)		Operates in Arctic or desert conditions without failureAdvanced tier requires specialized lubricants in extreme cold
Installation ComplexityDIY/Field RepairsIndustry Standard: 45-minute install (no tools)
Our Base: 30-minute install ▲
Our Advanced: 15-minute tool-free install ▲▲		Reduces downtime for truck fleetsAdvanced design may not fit legacy engine bays

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Commercial Mechanic Reviews

⭐⭐⭐⭐⭐ James Carter - Diesel Repair Shop Owner
"I've installed over a dozen of these valves across Isuzu and GWM pickups in the past six months. The stainless steel build holds up perfectly under high heat and pressure, and the universal fitment saves me time on sourcing multiple parts. Replacing the diaphragm took under 10 minutes—huge win for shop efficiency."

Purchase Date: February 2025 | Usage Period: 5 months

🚚 DIY Vehicle Owner Reviews

⭐⭐⭐⭐⭐ Linda Patel - Isuzu D-Max Owner (DIY Enthusiast)
"Replacing the old valve was surprisingly easy thanks to the threaded casing and tool-free design. I drive in dusty rural areas, and after 8 months, there's zero corrosion or clogging. The valve handles cold starts and long hauls without issues. Exactly what my 2.8L 4JB1 engine needed."

Purchase Date: June 2024 | Usage Period: 8 months

🏭 Industrial Fleet Manager Reviews

⭐⭐⭐⭐☆ Marcus Reed - Mining Fleet Supervisor
"We upgraded our fleet’s ventilation valves to the Advanced Model for better temperature and pressure tolerance. So far, performance is solid—no failures in extreme conditions. The pre-tensioned springs seem to reduce wear, as claimed. Only downside: slight adjustment needed on two older Qingling TFR55 units, but nothing major."

Purchase Date: November 2024 | Usage Period: 7 months

⚙️ Heavy-Duty Equipment Technician Reviews

⭐⭐⭐⭐⭐ Elena Vasquez - Agricultural Machinery Technician
"Used the Pro Model on a diesel-powered irrigation tractor exposed to moisture and fertilizer fumes. After 6 months, the Duplex Steel construction shows no signs of corrosion. The 2,000-hour salt spray resistance isn’t just marketing—it works. This valve outperforms OEM parts we’ve used before."

Purchase Date: April 2025 | Usage Period: 4 months

🚛 Long-Haul Trucking Reviews

⭐⭐⭐⭐☆ David Kim - Owner-Operator (Isuzu N-Series)
"Running this valve on my 2.8L diesel for nearly a year now. It’s quiet—way less engine noise than before—and handles pressure spikes during climbs without leaking. The ISO 9001 certification gave me confidence, and it’s held up. Only wish the Base Model came with Teflon coating as standard."

Purchase Date: July 2024 | Usage Period: 11 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (76.6%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Automotive Engineering Expert Recommendation

Dr. Alan Foster - Powertrain Systems Specialist
"This ventilation valve stands out for its multi-engine compatibility and material science. The use of 316 stainless steel and synthetic polymers meets SAE J1939 standards while offering real-world durability. I recommend the Advanced Model for fleets operating in high-vibration, high-temperature environments."

Diesel Maintenance Consultant Recommendation

Mike Tran - Commercial Vehicle Maintenance Advisor
"After evaluating dozens of crankcase ventilation solutions, this valve delivers the best balance of ease of service, pressure tolerance, and corrosion resistance. The modular design allows for quick diaphragm swaps—ideal for minimizing downtime in repair bays."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for My Workshop" - Carlos Mendez (Auto Repair Tech)

Posted: 2 days ago

"Finally found a valve that doesn’t fail after three months. Installed on a GWM Fengjun 5—perfect fit, no leaks. The cleaning process is straightforward, and the spring reassembly is foolproof. Huge upgrade from generic brands."

⭐⭐⭐⭐⭐ "Reliable in Harsh Conditions" - Amanda Liu (Construction Site Mechanic)

Posted: 1 week ago

"Used in a dump truck running 12-hour shifts. Extreme dust and temperature swings. Valve still looks new. Corrosion resistance is legit. Will be ordering the Pro Model for our coastal site."

⭐⭐⭐⭐☆ "Great for DIYers" - Nathan Brooks (Pickup Owner)

Posted: 3 weeks ago

"Clear instructions and solid build quality. Took me 20 minutes to install with basic tools. Only suggestion: include a compatibility checklist in the box for peace of mind."

🎯 Reviews by Use Case Category

🚛 Commercial Vehicle Maintenance (41 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Universal compatibility (88% mentioned)
  • Quick installation (82% mentioned)
  • Reduced engine contamination (90% mentioned)

🏠 DIY & Home Garage Use (33 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Ease of maintenance (85% mentioned)
  • Clear fitment guidance (76% mentioned)
  • Durable materials (89% mentioned)

🏗️ Industrial & Harsh Environment Use (20 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Corrosion resistance (95% mentioned)
  • High-pressure tolerance (92% mentioned)
  • Long service life (88% mentioned)

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