OEM-Grade Pressure Control Valve ch Tank with Direct Bolt-On Fitment for Cold Climate Performance
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Pressure Control Valve ch Tank 8970886851 8-97088685-1 for ISUZU 4HK1 NPR — OEM Crankcase Breather Separator
Product Overview
The Pressure Control Valve ch Tank with OEM numbers 8-97088685-1 and 8970886851 is a verified OEM-grade direct replacement for ISUZU NPR and NQR series trucks equipped with the 4HK1 5.2L diesel engine. This component is an integral part of the engine's Positive Crankcase Ventilation (PCV) system, functioning as an oil separator/ch tank that captures oil mist and blow-by gases from the crankcase.
- Real Shop Test Data: Precision-engineered PCV ch tank captures crankcase oil mist and regulates crankcase pressure
- Proven Durability: Built with OEM-grade materials rated for 400,000+ km under normal operation
- Installation Success Rate: 99% direct bolt-on fitment confirmed across thousands of repair orders
- OEM Cross-Reference Verified: Genuine ISUZU part number for direct factory replacement
Failure Symptoms
If your PCV ch tank is failing or clogged, you may experience:
- Engine Oil Leakage from excessive crankcase pressure
- Oil Pressure Warning Light illumination
- Excessive Oil Consumption between service intervals
- Blue Exhaust Smoke from oil burning in combustion chamber
- Sludge Buildup in intake system or throttle body
⚠️ Important: A clogged or failing PCV ch tank can lead to excessive crankcase pressure, oil leaks, and potential engine seal damage. Prompt replacement is essential.
| Part Number: | 8970886851 8-97088685-1 |
| Product Name: | Pressure Control Valve ch Tank |
| Car Model: | ISUZU NPR |
| Engine Model: | ISUZU 4HK1 |
| Condition: | 100% Brand New |
Vehicle & Engine Compatibility
Primary Appliions:
| Brand | Model | Series / Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HK1, 4HK1-TC, 4HK1-TCN | 2005-Present |
| ISUZU | NQR | N-Series | 4HK1, 4HK1-TC | 2005-Present |
| ISUZU | NRR | N-Series | 4HK1-TC | 2005-Present |
| Chevrolet | W-Series | Medium Duty Tilt Cab | 4HK1-TC | 2005-2007 |
| GMC | W-Series | Medium Duty Tilt Cab | 4HK1-TC | 2005-2007 |
Engine Details:
| Engine Code | Displacement | Fuel Type | Appliion |
|---|---|---|---|
| 4HK1 / 4HK1-TC / 4HK1-TCN | 5.2L (5193cc) | Diesel Turbo | NPR, NQR, NRR, Chevrolet/GMC W-Series |
⚠️ Important Compatibility Notes:
- Designed specifically for ISUZU 4HK1 5.2L diesel engine family
- Fits ISUZU N-Series (NPR, NQR, NRR) and Chevrolet/GMC W-Series medium-duty tilt cab models
- Often replaced with PCV hose (8-98024-528-0) and PCV tube bracket when addressing PCV system issues
- Part of Technical Service Bulletin fix for oil seepage in extremely cold climates (-30°C / -22°F)
- Verify your vehicle's model, chassis code, and engine code (4HK1) before ordering
Features & Benefits
OEM Specifiion
Guarantees factory-fit quality and performance with verified ISUZU OEM part numbers
PCV System Integration
Efficiently separates oil mist from crankcase blow-by gases, preventing oil carryover
Crankcase Pressure Regulation
Maintains proper crankcase ventilation, preventing excessive pressure and seal damage
Cold Climate Performance
Engineered to prevent PCV hose freeze-up in extreme cold (-30°C / -22°F)
Direct Bolt-On Fitment
No modifiions required with 99% installation success rate
Lightweight Construction
Easy to handle and install at only 0.1 kg
100% New Condition
Guarantees zero wear, immediate performance, and full service life with no core charge
Quality Control & Verifiion
Our manufacturing and inspection processes ensure every ch tank meets or exceeds ISUZU OEM standards:
| QC Item | Verifiion Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify all mounting points and connections match OE blueprint standards |
| Material Composition | OEM-grade material analysis for heat resistance and durability |
| Seal Integrity Test | 100% pressure testing to guarantee zero leakage under crankcase pressure |
| Flow Capacity Test | Bench testing to verify PCV flow capacity meets OEM specifiions |
| Durability Cycle Test | 500+ hour thermal and pressure cycling for long-term reliability |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Installation & Maintenance
⚠️ IMPORTANT: Professional Installation Recommended
The PCV ch tank is part of the engine's crankcase ventilation system. Proper installation and hose routing are critical for correct system function.
The PCV ch tank is part of the engine's crankcase ventilation system. Proper installation and hose routing are critical for correct system function.
Pre-Installation Checklist:
- Tilt the cab up for access (on cab-over models)
- Disconnect PCV hose clamp at the ch tank
- Disconnect PCV hose from ch tank and hose bracket near oil filter
- Inspect all PCV hoses for cracks, damage, or blockage
- Related parts: PCV hose (8-98024-528-0) and PCV tube bracket may need replacement
Installation Guidelines:
- Safely raise vehicle and tilt cab up (if applicable)
- Loe ch tank / pressure control valve
- Disconnect PCV hose clamp and remove PCV hose from ch tank
- Remove old ch tank from mounting bracket
- Clean mounting surface and bracket area thoroughly
- Install new ch tank from upper side, sliding down between ch tank and bracket
- Connect PCV hose to ch tank and attach hose clamp in proper position
- CRITICAL: Follow correct PCV hose routing as specified in workshop manual
- Ensure hose cutout area faces and contacts flywheel housing surface
- Tighten all mounting bolts to 19 N·m (14 lb ft)
- Close cab and start engine
- Check for proper PCV system operation and inspect for oil leaks
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months for oil leaks, PCV hose condition, and crankcase pressure
- Replacement: Immediately if failure symptoms appear
- Note: This ch tank was introduced as a cold weather fix for PCV system freeze-up issues
Packaging & Supply
- Packaging: Protective packaging to prevent shipping damage
- Pack Quantity: 1 PC
- Net Weight: 0.1 kg
- H/S Code: 840999100
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James