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
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
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
Similar Products
Related Videos
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