Denso 095000-6593 / 23670-E0010 Injector Rebuild Kit

When your workshop receives a Hino J08E-powered truck or a Kobelco SK300-8 excavator exhibiting white smoke at cold start or sluggish throttle response, the injector assembly typically sits at the top of the diagnostic shortlist. Rather than quoting a customer for an entire new injector, the Denso 095000-6593 repair kit provides the service pathway to restore fuel delivery accuracy at a line-item cost that keeps both your margins and your client's budget in sustainable territory. This kit directly replaces the factory OE reference 23670-E0010 and caters specifically to the common rail injector architecture found across these Japanese power units.

Opening the service package reveals a systematic collection of wear-prone consumables. The DLLA155P842 spray nozzle forms the tip assembly responsible for creating the fine fuel mist required for complete combustion. Upstream of the nozzle sits the control valve assembly, governing the pressurization and release cycles within the injector body. The accompanying command piston, valve seat, and spindle complete the hydraulic circuit components. Sealing elements including high-temperature O-rings, backup rings, and copper washers prevent high-pressure fuel bypass-a frequent source of return-line overflow and crankcase dilution. A distinguishing inclusion is the valve plate finished with Titanium Alloy Golden Coating. This physical vapor deposition treatment reduces stiction between the valve plate and its mating face, ensuring consistent pilot injection behavior across varying fuel temperatures. Field data from Southeast Asian workshops indicates that coated valve plates exhibit measurable wear reduction after 4,000 operating hours compared to uncoated alternatives.

The injector hardware assigned to 095000-6593 corresponds precisely to the Hino J08E six-cylinder engine, the workhorse of the Hino 500 Series medium-duty cargo and tipper chassis. This same calibration carries over to the off-highway sector, where Kobelco SK300-8 and SK330-8 hydraulic excavators share the identical fuel injection module. For parts procurement staff, the OE marking 23670-E0010 appears on the injector collar and must match the customer's unit before order confirmation. Cross-referencing across the 095000-659X family shows that variants -6590 through -6594 share the same physical component set, although the -6593 suffix indicates the specific flow trimming applied at factory calibration. This distinction matters when sourcing for engines that have undergone ECU remapping or aftermarket tuning, as the base hydraulic characteristics remain constant but the electronic compensation values differ.

Injector rebuilding follows a disciplined sequence that separates a reliable repair from a premature comeback. Begin by securing the injector in a holding fixture and removing the nozzle retaining nut using a socket designed for the specific hex size. Once the nozzle assembly slides free, inspect the command piston for unrestricted travel. A piston that resists gentle finger pressure indicates bore scoring or contamination; in such cases, the injector body lacks sufficient dimensional integrity for further service. Transfer the control valve components to a cleaning bath using diesel or dedicated flushing fluid, taking care not to intermix parts between disassembled injectors. When installing the new spray nozzle, apply the specified torque to the retaining nut in a single continuous motion; incremental tightening produces uneven clamping force that distorts the nozzle seat. The valve plate bearing Titanium Alloy Golden Coating must be oriented with the coated face toward the mating surface-reversing this orientation negates the friction-reducing benefit and accelerates contact wear. Following mechanical reassembly, connect the rebuilt injector to a test bench to verify opening pressure and leak-off volume before proceeding to vehicle installation. The QR code printed on the injector collar carries individualized compensation data; this code must be entered into the engine management system during programming to align solenoid response with the new hydraulic characteristics.

For a repair facility that handles three to five Hino or Kobelco fuel system jobs per month, maintaining a minimum stock of the 095000-6593 overhaul kit eliminates the delay associated with sourcing components on a per-job basis. The cost differential between a factory-new injector and a properly rebuilt unit using this kit runs approximately 40–45%, allowing shops to offer customers a tiered repair option while preserving parts margin. Additionally, the presence of the Titanium Alloy Golden Coating on the valve plate contributes to extended service intervals in applications subject to frequent start-stop cycles, such as urban refuse collection or quarry loading. Diesel fuel in many African and Southeast Asian markets contains higher sediment loads than OECD countries; the coated valve plate resists the micro-abrasion caused by these particles, prolonging the injector's return to stable leak-off values. Workshop owners who invest in the proper test bench and training for QR code recalibration unlock the full economic potential of this rebuild kit, converting what could be a core-exchange expense into a value-added in-house service.

Q1: Does the 095000-6593 package include the solenoid or just the hydraulic section?
A: The solenoid is not included. This is a hydraulic-section overhaul kit covering the nozzle, control valve, command piston, valve plate, and all sealing elements. The existing solenoid remains in service unless separately diagnosed as faulty.

Q2: Can we substitute the 095000-6593 kit for a 095000-6591 injector body in an emergency?
A: Physical component fitment is identical across the -659X range, but the flow calibration differs. Substitution requires reprogramming the injector code in the ECU to the -6593 flow map; otherwise the engine will produce uneven cylinder contribution.

Q3: What is the primary indicator that a valve plate with Titanium Alloy Golden Coating needs replacement before the scheduled interval?
A: Elevated return fuel temperature coupled with increased leak-off volume-above 25 ml per minute at idle-signals compromised valve plate sealing, even if the coating appears visually intact.

Q4: Is the nozzle retaining nut reusable after removal?
A: Denso does not recommend reusing this fastener due to torque relaxation and thread deformation. A new retaining nut is supplied in the kit and must be installed to achieve correct clamping force.

Q5: Which diagnostic equipment is essential for completing the installation?
A: A common rail injector test bench with pressure ramp capability and an ECU programming interface that accepts QR code data input. Both are mandatory for calibration confirmation and compensation mapping.

Q6: How does this rebuild affect the injector's response to pilot and pre-injection strategies?
A: Properly installed with QR code recalibration, the rebuilt unit delivers pilot injection response within ±2% of factory specification, preserving the combustion noise reduction designed into the J08E engine management strategy.

To make your purchasing experience smooth and easy, we offer a variety of secure payment options:

Bank Transfer

Supports multiple currenciesand bank payment methods.

Western Union

Quick and global money transfers.

PayPal

Safe and convenient online payment.

Alibaba

Enjoy extra protection with trusted Alibaba transactions.

We're here to make your order process worry-free - choose the payment method that works best for you!

Hot Tags: denso 095000-6593 / 23670-e0010 injector rebuild kit, China denso 095000-6593 / 23670-e0010 injector rebuild kit manufacturers, suppliers, factory