Injection Pump Assembly 8-97263086-3 For Isuzu NKR55 4JB1T 8972630863
Steel Rim 8-97233664-0 For Isuzu NKR85 4JJ1-TCS Truck Wheel 8972336640
Product Description
Function:
Injection pump assembly (fuel injection pump) delivers precisely metered, pressurized fuel to the injectors at the correct timing for efficient combustion. Ensures optimal power, fuel economy, and emissions control for Isuzu 4JB1T diesel engines.
Product Description:
The Injection Pump Assembly (OEM Numbers: 8-97263086-3 / 8972630863) is a premium-quality, direct replacement fuel system component designed for Isuzu NKR55 light-duty trucks equipped with the 4JB1T turbo diesel engine.
| Part Number: | 8-97263086-3, 8972630863 | Product Name: | Injection Pump Assembly / Fuel Injection Pump |
|---|---|---|---|
| Car Model: | ISUZU NKR55 | Engine Model: | ISUZU 4JB1T (2.8L Turbo Diesel) |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East ,Asia,Africa, South America, North America &Europe | Package: | Neutral Packing Or Make It As Requested |
| Warranty: | 6 Monthes | Price &Stock: | Please Contact Us To Get More Information |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Features & Advantages
-
OE Quality: Manufactured to Isuzu dimensional and performance specifiions for perfect fit and reliable fuel delivery.
-
Precision Engineering: Tight tolerances on plungers and barrels ensure consistent fuel metering across all engine speeds.
-
Mechanical Governor: Provides stable idle speed and precise fuel control under varying loads.
-
Durable Construction: Hardened camshaft and rollers resist wear from high-pressure operation.
-
Corrosion-Resistant: Internal components treated for diesel fuel compatibility and moisture resistance.
-
Calibrated & Tested: Each pump is bench-tested to verify delivery volume and timing before shipment.
-
Restores Engine Performance: Eliminates hard starting, power loss, rough idle, and excessive smoke.
-
Direct Replacement: Matches OE mounting points, drive coupling, and fuel line connections.
-
Cost-Effective: Affordable alternative to genuine OEM without compromising quality.
![]()
Vehicle & Engine Compatibility
This injection pump assembly is specifically designed for Isuzu NKR55 trucks with 4JB1T engine. Common appliions include:
Isuzu Truck Models:
-
ISUZU NKR55 (light-duty truck, 4JB1T turbo diesel)
-
ISUZU NKR57, NKR59 (with 4JB1T – verify)
-
ISUZU NPR (select light-duty models with 4JB1T)
-
ISUZU TFR / TF Series (pickup with 4JB1T – verify)
Engine Specifiion – ISUZU 4JB1T:
-
4-Cylinder, Inline Diesel, OHV, Turbocharged
-
Displacement: 2.8L (2771cc)
-
Injection system: Mechanical (inline or distributor pump)
Installation Notes
Installation steps (overview for mechanical injection pump):
-
Disconnect battery negative cable – Safety first.
-
Relieve fuel system pressure – Loosen fuel lines carefully.
-
Remove old injection pump – Disconnect fuel lines, electrical connectors (stop solenoid), and mounting bolts. Remove drive gear or coupling carefully, noting timing marks.
-
Compare new pump with old – Check drive tang orientation, mounting holes, and port loions.
-
Transfer any components – Such as fuel temperature sensor, solenoid, or bracket.
-
Clean mounting surface – On engine block. Ensure no debris enters the timing case.
-
Install new pump – Align timing marks (if applicable). Install new O-rings or gaskets. Torque mounting bolts to specifiion.
-
Reconnect drive gear – Ensure proper backlash. Torque gear bolt.
-
Reconnect fuel lines – Use new crush washers or seals. Do not cross-thread.
-
Reconnect electrical connectors – Stop solenoid, etc.
-
Prime the fuel system – Use a hand primer (if equipped) to draw fuel through the filter and pump. Bleed air from the system.
-
Check for leaks – Start engine and inspect fuel lines and pump body.
-
Verify injection timing – Use a timing light or dial indior to confirm correct timing (refer to service manual).
-
Test drive and monitor – Verify power, idle quality, and no warning lights.
Quality Control
-
Material Verifiion: Housing and internal alloy composition tested.
-
Dimensional Inspection: Mounting flange, drive shaft dimensions, and port threads verified against OE blueprints.
-
Pressure Test: Pump tested for maximum pressure output and flow rate at specified RPM.
-
Calibration Test: Delivery volume per stroke and timing accuracy verified on a test bench.
-
Leak Test: High-pressure and low-pressure circuits tested for external leakage.
-
Governor Test: Speed control and response characteristics verified.
-
Visual Inspection: 100% checked for casting defects, damaged threads, or contamination.
-
Packaged Safely: Pump sealed in anti-static bag, boxed with foam support. Protective caps on all ports.
Packaging and Delivery
- Neutral export packing or customized packaging available
- Carton or wooden case for safe transportation
- Fast delivery for stock items
- Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Injection Pump Assembly 8-97263086-3 For Isuzu NKR55 4JB1T 8972630863 please contact our sales team for a competitive quote and expert technical support.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.