Fuel Injector Nozzle DLLA154PN068 105017-0680 for ISUZU Elf 4JB1 4JB1TC — OEM Replacement, Verified Specs
Key Attributes
Product Summary
DLLA154PN068 fuel injector nozzle for ISUZU 4JB1/4JB1TC/4JA1 engines. High-speed steel P-type, 4-hole 0.26mm, 154° spray, 18.1 MPa opening pressure. OEM direct fit for Elf, NKR55, NPR, Trooper. 3-6 month warranty available.
Product Details
DLLA154PN068 fuel injector nozzle
,ISUZU Elf 4JB1 injector nozzle
,OEM replacement fuel injector
The Diesel Fuel Injector Nozzle DLLA154PN068 / 105017-0680 (cross-reference 9 432 610 163) is a direct-fit OEM replacement for ISUZU 4JB1, 4JB1TC, and 4JA1 diesel engines, commonly found in Elf, NKR55, NPR light trucks and Trooper / Bighorn SUVs. Installed inside the injector body, this P-type nozzle atomizes diesel fuel into a fine mist for combustion, directly affecting engine power, fuel economy, and emissions.
Pressurized fuel from the mechanical injection pump enters the nozzle body and lifts the needle valve against spring pressure. Fuel exits through 4 precision-drilled holes (0.26 mm diameter) at a 154° spray cone angle, creating a fine mist that mixes with intake air for efficient combustion. Worn or clogged nozzles cause poor atomization, leading to rough idle, power loss, and increased smoke.
- VerifiedFitment: Multiple supplier catalogs list DLLA154PN068 / 105017-0680 for ISUZU 4JB1, 4JB1TC, 4JA1, and applications including Elf, NKR55, NPR, Trooper, and Bighorn.
- VerifiedTechnical Specs (Supplier Data): 4 holes; hole diameter 0.26 mm (one source lists 0.270 mm); spray angle 154°; opening pressure 18.1 MPa (181 bar); P-type nozzle; high-speed steel.
- VerifiedSupplier Warranty: One supplier lists a 3–6 month warranty.
- PendingBench Flow & Spray Pattern Data: No public flow rate (cc/min at specified pressure) or spray pattern validation data for this OEM number. Request from supplier: bench test report (flow rate, spray pattern, leakage).
- PendingInstallation Success Rate: No repair order statistics available.
When this injector nozzle fails or clogs, the following symptoms may appear:
- Rough idle or misfire at idle
- Reduced engine power or sluggish acceleration
- Excessive black smoke or poor fuel economy
- Hard starting or long cranking
- Engine knock or abnormal combustion noise
- DLLA154PN068
- 105017-0680 (Zexel / Denso part number)
- 9 432 610 163
- 8-94334-714-0 / 8943347140 (ISUZU OEM reference)
- 8-94326-101-63 / 8943347131 (ISUZU OEM reference)
| Part Number | DLLA154PN068 |
|---|---|
| Product Name | Fuel Injector Nozzle |
| Car Model | ISUZU Elf |
| Engine Model | 4JB1 / 4JB1TC |
| Condition | 100% Brand New |
| Weight | Standard |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral packing or as requested |
| Warranty | 6 months |
| Price & Stock | Please contact us for 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 |
| Feature | Benefit & Verification Signal |
|---|---|
| OEM number matched | Direct replacement for DLLA154PN068 / 105017-0680 — cross-verified by multiple supplier catalogs. |
| 4-hole, 0.26 mm precision drilling | Fine atomization for efficient combustion — spray pattern validation report required from supplier. |
| 154° spray cone | Matched to ISUZU 4JB1 combustion chamber geometry — supplier data; confirm with your source. |
| 3–6 month warranty available | Purchase confidence — offered by one supplier. |
| QC Item | Verification Method | Reference Value |
|---|---|---|
| Hole count & diameter | Request CMM or microscope inspection report | 4 holes, 0.26 mm |
| Spray cone angle | Request spray pattern test report | 154° |
| Flow rate (cc/min) | Request bench flow test data at specified pressure | TBC |
| Opening pressure | Request pop tester report | 18.1 MPa (181 bar) |
| Material hardness | Request hardness test report | TBC |
| Leakage / seating | Request leak-down test data | TBC |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
Important Fitment Notes:
HDA-008 / MC828264 are aftermarket cross-reference numbers that appear primarily in Mitsubishi Fuso brake booster catalogs. This product is primarily intended for ISUZU FSR 6HE1 applications; the above numbers are listed for customer cross-comparison only.
If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. Both "short" and "long" pushrod variants exist within the MC828264 family.
Always provide your VIN / chassis number for verification. Do not rely solely on cross-reference numbers.
⚠️ Injector nozzle replacement requires specialized bench equipment for calibration and testing. Professional diesel injection service is recommended. Do not attempt without proper tooling.
- Clean the injector body and nozzle retaining nut thoroughly before disassembly.
- Remove the old nozzle; inspect the needle and seat for wear.
- Install the new nozzle with a new copper washer (if applicable).
- Torque the nozzle retaining nut to TBC — refer to Zexel / Denso service specifications for 105017-0680.
- Test on a diesel injector bench for opening pressure (18.1 MPa reference), spray pattern, and leakage before installation.
- Install the injector into the engine; torque to OEM specification. Bleed the fuel system.
Use clean, water-free diesel fuel. Replace fuel filters at OEM intervals. Inspect injectors if rough idle, smoke, or power loss develops.
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