Kyotechs' official blog returns to injectors repeatedly — malfunction symptoms, idle-speed problems, cleaning and the six common diesel engine problems — because injector faults are among the most misdiagnosed in the field. This page is the supply side of that experience: the documented injector listings. An injector is matched by its full number set and the engine it serves; a visually identical injector with a different calibration is a wrong part.
Documented listingsDocumented Injector Listings
| Part number | Part | Engine / compatible with | Machine models |
|---|---|---|---|
| 0445120236 / 0445120231 / 6754-11-3011 | Fuel injector | Komatsu | PC200-8, PC300-8 |
| 095000-6353 / 0950006353 | Fuel injector | Kobelco J05E-TA engine | SK200-8 |
| 095000-6800 | Fuel Injector | Kubota V3800DI engine | Engine application |
| 10R0781 / 222-5966 | Diesel fuel injector | Caterpillar 3126B / 3126E / C7 engines | Engine application |
| 20847327 / VOE20847327 | Fuel injector | Volvo D12D engine | EC360B, EC460B |
| 22172535 | Diesel engine fuel injector | Volvo | EC330B, EC330C, EC360B |
| 295050-0720 / 6252-11-3100 | Fuel injector | Komatsu SAA6D125 engine | Engine application |
| 230-9457 / 386-1769 | Fuel injector (Alibaba store listing) | Excavator engines | Confirmed by part number |
Before Replacing Injectors
Hard starting, black smoke, rough idle and power loss are injector-shaped symptoms — but they are also the symptoms of low fuel pressure, a failing supply pump and air in the lines. Kyotechs' own service content makes the same point: determine whether the fuel pump is malfunctioning and whether the injector is actually at fault before ordering a set. If diagnosis points to the engine as a whole, the engine repair solution covers the diagnostic platforms used on these engines.
- The full number set from the old injector — all numbers, not just the first; the extract above shows why.
- Engine model and serial number, and how many injectors you need (single or set).
- What has already been tested — fuel pressure, supply pump, fault codes — so the reply does not sell injectors for a pump fault.
Delivery and preparation times are confirmed for your order in the enquiry reply, in writing and before payment: the reply states the times, the packing and the shipping method that apply to your exact part number. Times are confirmed per order rather than published as a general figure, because they follow the listing, the quantity and the destination.
Frequently Asked Questions
Should injectors be replaced as a set?
On high-hour engines a matched set restores balance; on a single confirmed failure, one injector can be enough. State the engine hours and what was tested — the reply will quote the option that fits the diagnosis.
Can injectors be cleaned instead of replaced?
Cleaning is a documented topic in Kyotechs' service content and works for fouled injectors; worn or electrically failed injectors need replacement. The symptom pattern decides, and describing it honestly in the enquiry gets the right answer.
Do the parts carry a warranty?
Warranty terms are confirmed in writing for each order before payment. Kyotechs' own FAQ states that most parts are backed by a warranty against manufacturing defects; ask for the term that applies to your listing when you enquire.
How Injector Enquiries Are Answered
An injector enquiry is answered against three records: the number set from the old injector, the engine's model and serial, and the symptom history. The number set matters because injector listings carry supersessions — the Komatsu listing on this page carries three numbers for one application — and the current number is the one that ships. The symptom history matters because injectors are ordered for faults that turn out to live in the fuel supply; describing what was tested (rail pressure, supply pump output, return flow) lets the reply confirm the injector is the right purchase. Where the evidence points elsewhere, the engine repair service's diagnostic platforms are the next step, and the reply will say so rather than complete a sale that cannot fix the machine.