OEM Fuel Pump SCV Suction Control Valve Overhaul Kit 8-98043687-0 8980436870 294200-0650 For ISUZU NPR NQR 4HK1 6HK1 & Hitachi ZX200-3 ZX330-3 — Brand New Genuine Supply Pump Repair Kit
Basic Properties
Place of Origin:
China
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
ISUZU NPR NQR 4HK1 6HK1
Trading Properties
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| OEM Part Numbers: | 8-98043687-0 / 8980436870 / 8-98043-687-0 | Part Name: | OVERHAUL KIT; SUPPLY PUMP / SCV Valve Fuel Pump Overhaul Kit |
| Kit Contents: | SCV Valve, Gaskets, Seals | Voltage: | 24V |
| Coil Resistance: | 8.5 Ohms | Net Weight (Valve): | Approx. 244.1 G |
| Gross Weight (Kit): | Approx. 1.2 Kg (with Package) | Material: | Metal |
| Engine Compatibility: | ISUZU 4HK1, 4HJ1, 6HK1 | Vehicle Compatibility: | ISUZU NPR, NQR, NNR, NPR-HD |
| Production Years: | 2005–2015 | Condition: | Brand New — 100% Quality Inspected |
| Warranty: | 12 Months / 20,000 Km | ||
| High Light: | ISUZU NPR fuel pump SCV kit,Hitachi ZX200-3 suction control valve,4HK1 engine fuel pump repair kit |
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Product Description
OEM Fuel Pump SCV Suction Control Valve Overhaul Kit
Part Numbers: 8-98043687-0, 8980436870, 294200-0650
Compatibility: ISUZU NPR NQR 4HK1 6HK1 & Hitachi ZX200-3 ZX330-3
Condition: 100% Brand New Genuine Supply Pump Repair Kit
Compatibility: ISUZU NPR NQR 4HK1 6HK1 & Hitachi ZX200-3 ZX330-3
Condition: 100% Brand New Genuine Supply Pump Repair Kit
Product Overview
This SCV Valve Fuel Pump Suction Control Valve Overhaul Kit with OEM number 8-98043687-0 is a verified OEM-grade complete repair kit for the Denso HP3 high-pressure fuel pump used on ISUZU 4HK1, 4HJ1, and 6HK1 diesel engines. Manufactured to Denso's stringent OEM specifications (Denso model 294200-0650), this comprehensive overhaul kit includes the Suction Control Valve (SCV) and all necessary gaskets and seals required to restore proper fuel pressure regulation.
The SCV is a critical component of the common rail fuel system, responsible for precisely controlling the volume of fuel entering the high-pressure pump's plunger chamber. A failing SCV leads to unstable rail pressure, rough running, and loss of power.
✅
OEM Specification — Verified by ISUZU OEM part number 8-98043687-0 and Denso model 294200-0650
✅
Complete Overhaul Kit — Includes SCV valve, all necessary gaskets, and seals
✅
Precision Electrical Specifications — 24V operation with coil resistance of 8.5 ohms
✅
Compact & Lightweight — Net weight of approximately 244.1 g per valve
Failure Symptoms
If your SCV valve is failing, you may experience one or more of the following symptoms:
- Rough Idle or Uneven Running: Engine idles roughly with noticeable vibration or diesel knock
- Loss of Engine Power: Significant reduction in power and acceleration, especially under load
- Hard Starting / Extended Cranking: Difficulty starting the engine, especially when cold
- Engine Stalling: Intermittent or unexpected stalling, particularly at low speeds
- Excessive Exhaust Smoke: Black smoke under load or white smoke indicating incorrect fuel delivery
- Poor Fuel Economy: Noticeable drop in fuel efficiency
- Diagnostic Trouble Codes: DTCs related to fuel rail pressure or common rail system
- Fuel Leakage: Visible diesel fuel seepage from the pump area
⚠️ Important: A failing SCV valve can lead to progressive power loss, injector damage, and costly high-pressure fuel pump failure. Prompt replacement with a quality OEM overhaul kit is essential.
Vehicle & Engine Compatibility
⚠️ CRITICAL: This SCV overhaul kit is designed for ISUZU 4HK1, 4HJ1, and 6HK1 diesel engines. Verify your engine code and pump model before ordering.
Primary Applications — ISUZU Trucks:
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NPR | N-Series | 4HK1 5.2L | 2005-2015 |
| ISUZU | NPR-HD | N-Series | 4HK1 5.2L | 2005-2015 |
| ISUZU | NQR | N-Series | 4HK1 5.2L | 2005-2015 |
| ISUZU | NNR | N-Series | 4HK1 5.2L | 2005-2015 |
Primary Applications — Construction Equipment:
| Brand | Equipment Type | Models | Engine |
|---|---|---|---|
| Hitachi | Crawler Excavators | ZX200-3, ZX240-3, ZX330-3, ZX350-3 | 4HK1, 6HK1 |
| Kobelco | Crawler Excavators | SK200-8 | 4HK1 |
Cross-Reference Part Numbers
| Brand | Part Number |
|---|---|
| Denso | 294200-0650, 294200-0670 |
| ISUZU | 8-98043687-0, 8980436870, 8-98043-687-0 |
| ISUZU (Alternate) | 8-98181831-0, 8981818310, 8-98181-831-0 |
| ISUZU (Related) | 8981305080, 8-98130508-0, 8-98130-5080 |
Features & Benefits
| Feature | Benefit |
|---|---|
| OEM Specification — Denso Genuine Equivalent | Guarantees factory-fit quality and performance |
| Complete Overhaul Kit | Solves common faults such as fuel leakage and low fuel pressure |
| Precision 24V 8.5-ohm Coil | Ensures accurate electrical response and stable fuel pressure |
| Japan Manufacturing | Manufactured to OEM specifications for reliable performance |
| Direct Replacement Fitment | No modifications required — engineered as direct match |
| 100% New — No Core Charge | Guarantees zero wear and immediate pressure regulation |
Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify mounting dimensions match OE specifications |
| Coil Resistance Test | 100% bench testing to verify 8.5-ohm coil resistance |
| Flow Rate Test | Dynamic flow testing to verify fuel volume control |
| Leakage Test | 100% high-pressure leak test to guarantee zero fuel leakage |
| Solenoid Function Test | Full electrical actuation testing to verify precise valve operation |
Installation & Maintenance
⚠️ IMPORTANT: Professional Installation Highly Recommended. SCV valve and fuel pump overhaul requires depressurization of the fuel system, extreme cleanliness, and expert knowledge of common rail systems.
Pre-Installation Checklist:
- Depressurize the fuel system before starting work
- Disconnect the negative battery terminal
- Use clean, high-quality fuel and replace the fuel filter simultaneously
- Clean the area around the SCV valve and high-pressure pump
- Quantity Required: 1 kit per high-pressure pump
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months
- Fuel Filter Replacement: Every 20,000-30,000 km
- Replacement: Recommended at 150,000-200,000 km
Packaging & Supply
Packaging: Neutral box, color box, or customer brand package
Pack Quantity: 1 kit
Net Weight (Valve): Approx. 244.1 g
Gross Weight (Kit): Approx. 1.2 kg (with package)
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
Pack Quantity: 1 kit
Net Weight (Valve): Approx. 244.1 g
Gross Weight (Kit): Approx. 1.2 kg (with package)
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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