The Denso 095000-0176 is a direct replacement and fully compatible fuel injector for many Hino trucks and buses equipped with the J05C and J08C series of diesel engines.

This part number is Denso’s own internal number. You will also often see it listed under various OEM and aftermarket numbers.

Key Details and Specifications

Manufacturer: Denso (A major OEM supplier to Hino and other truck manufacturers).
Denso Part Number: 095000-0176
Common Hino OEM Part Number: 23610-0012 (This is the number you would get from a Hino dealership parts counter).
Engine Compatibility:
Hino J05C-TA, J05C-TB, J05C-TC, J05C-TD
Hino J08C-TA, J08C-TB, J08C-TC, J08C-TR, J08C-TW
Vehicle Applications: This injector is used in a wide range of Hino vehicles, including:
Hino 155, 155h, 195, 195h, 238, 258, 268, 338
Hino 300 Series (e.g., 335)
Hino 400 Series (e.g., 415, 435)
Hino 500 Series (e.g., 535)
Various Hio buses with the J08C engine.

Important Considerations Before Purchase and Installation

Buy from a Reputable Seller:

Beware of Counterfeits. The market is flooded with cheap, counterfeit fuel injectors that can cause severe damage to your engine. Always purchase from authorized distributors, reputable diesel shops, or well-known online marketplaces with trustworthy sellers.

Replace in Sets (Highly Recommended):

While you can replace a single failed injector, it is highly recommended to replace them in a complete set (all 4 for a 4-cylinder, all 6 for a 6-cylinder).

Why? Fuel injectors wear out over time. If one fails, the others are likely not far behind and are operating at reduced efficiency. Replacing all ensures balanced fueling across all cylinders, which leads to optimal performance, fuel economy, and prevents another failure soon after.

Replace the Fuel Filter and Clean the System:

Always install a new fuel filter when replacing injectors. Contaminants in the old fuel filter likely contributed to the failure of the old injector and will quickly damage the new, expensive ones.

Consider having the fuel lines and system cleaned if there is a suspicion of significant contamination.

First Step: Accurate Diagnosis (Is it Really the Injector?)
Before spending money on parts, ensure the problem is actually a faulty injector. Symptoms of a bad injector can mimic other issues.

Common Symptoms:

Hard starting, rough idle, misfiring, or engine shaking.

Loss of power, lack of acceleration.

Excessive black, white, or blue smoke from the exhaust.

Knocking or pinging sounds from the engine.

Strong smell of unburned fuel.

Poor fuel economy.

Diagnostic Steps a Mechanic Should Perform:

Scan for Fault Codes: Use a heavy-duty diagnostic tool (e.g., Hino DX-II, JPRO, etc.) to read codes from the Engine Control Module (ECM). Codes like cylinder contribution, imbalance, or injector circuit faults are key clues.

Buzz Test/Actuation Test: This test, performed with the scan tool, activates each injector solenoid. A healthy injector will make a clear “click” or “buzz.” A different sound or no sound indicates a problem.

Cylinder Cutout Test: The scan tool can deactivate one injector at a time while the engine is running. If deactivating a specific injector does not change the engine’s RPM or sound, that cylinder is not contributing and is likely the problem.

Visual Inspection: Check for fuel leaks around the injector seals and copper washer, and inspect the wiring harness and connectors for damage.

Compression Test: Rule out low compression in a cylinder, which can cause similar symptoms.

Fuel Pressure Test: Ensure the high-pressure fuel pump is delivering adequate pressure to the rail.

Step 2: The Decision – Repair, Replace, or Rebuild?
New Injectors (Best Option):

Pros: Highest reliability, comes with a warranty, performance is guaranteed to meet OEM specs.

Cons: Most expensive option.

Ideal For: Critical commercial vehicles where downtime is costly, and maximum reliability is required.

Quality-Rebuilt/Remanufactured Injectors (Common & Good Value):

Pros: Significantly cheaper than new, often come with a solid warranty (look for a “core charge” and return policy for your old injectors). Reputable rebuilders replace all wear items and test to OEM standards.

Cons: Quality can vary drastically between suppliers.

Ideal For: Most repair scenarios on a budget. Crucially, only use rebuilders with an excellent industry reputation.

“Repairing” a Single Injector (Rarely Done):

Modern diesel injectors are precision marvels. Technicians do not typically repair individual internal components in a shop setting. They are sent to specialized rebuild facilities. Swapping a single injector is the repair, but the injector itself is a replaced unit.

Gather Necessary Parts and Tools:

New Parts: Injector(s), new sealing washers (copper crush washers), new O-rings, and possibly new hold-down clamps/bolts (if they are torque-to-yield).

Tools: Correct socket set, torque wrench, injector puller slide hammer (often essential), and a diagnostic tool for coding.