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Starter Motor 23300-FU410, 12V 1 kW, 9-Tooth CW — replacement for Nissan K15, K21, and K25 engines used in excavators, compact loaders, and agricultural tractors.
Backed by 3–12 month warranty against manufacturing defects, with stock status and estimated arrival confirmed at quote time.
In-Stock Now — Guangzhou warehouse holds this 12V 9-tooth starter motor ready for same-day dispatch, so your Nissan K15/K21/K25 engine is back running before the weekend.
| Parameter | Value |
|---|---|
| Part Number | 23300-FU410 |
| Product Type | Starter Motor |
| Cross-Reference | 23300-FU410, 23300FU410, 23300-GS20A, 23300GS20A, M000T65381, M0T65381, M0T65581, 114479, 91H20-03330, 91H2003330, 18973N (reference only) |
| Machine Fitment | Nissan K15 Engine, K21 Engine, K25 Engine |
| Voltage | 12 V |
| Power Output | 1 kW |
| Rotation Direction | CW (Clockwise) |
| Number of Teeth | 9 |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Minimum Order Quantity | 1 piece |
| Standards | ISO 9001, SAE J1171, ISO 1940-1 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Engine cranks slowly or not at all despite healthy battery | Immediate — machine is non-operational until replaced |
| Clicking sound when turning ignition key, no engine turnover | Immediate — solenoid or motor internals have failed |
| Starter spins freely without engaging flywheel ring gear | Immediate — 9-tooth pinion is worn or Bendix mechanism stuck |
| Intermittent starting, works when cold but fails when hot | High — internal armature or brush wear progressing toward full failure |
| Burnt smell from starter housing after repeated crank attempts | High — winding insulation damaged, replacement needed before electrical fault spreads |
A Starter Motor in stock fast shipping replacement is only useful if the part number is confirmed right and the box ships today.
When a Nissan-powered excavator or compact loader sits dead on a job site, every hour of downtime carries real cost — idle operators, missed deadlines, penalty clauses kicking in. The bottleneck is rarely the price of the component. It is the gap between "I think this is the right part" and "the courier tracking number is in your inbox." I have watched site supervisors lose an entire shift just waiting for someone to confirm whether a faded nameplate shows a K15 or a K21, because the difference between those two engines decides whether this Starter Motor in stock fast shipping replacement even bolts on [NEED_CITE: field identification practices for industrial Nissan engine variants]. The faster that confirmation happens, the faster the machine cranks.
Getting the correct Starter Motor in stock fast shipping replacement dispatched starts with identification. Send a photo of the engine nameplate, the old starter label, or even the mounting flange and pinion gear if the label is gone. The 9-tooth count and clockwise rotation narrow the field, but K15, K21, and K25 engines each have subtle mounting-pattern differences that matter. We cross-check your image against the reference numbers — 23300-FU410, 23300-GS20A, M000T65381 and others — to lock in the match before the box is sealed. This step alone eliminates the most common cause of returns: a part that looks right but sits a few millimetres off the bell housing.
Once the part number is confirmed, the Starter Motor in stock fast shipping replacement moves from our Guangzhou shelf to packing within hours, not days. Express couriers such as DHL, FedEx, or UPS handle single-piece shipments with door-to-door tracking, typically reaching most international destinations within a week. Air freight is available for slightly larger orders where cost per kilogram matters more than speed. Sea freight remains an option for planned restocking, but when a machine is already down, air or express is the conversation. Every shipment leaves with packing photographs and a tracking number so you know exactly where the starter is at any point [NEED_CITE: international express freight transit expectations for industrial spare parts].
Voltage and tooth count are the first two numbers any buyer checks, but they are not the only ones. This unit delivers 1 kW at 12 V, which is the standard output range for Nissan K-series industrial engines in this displacement class. The 9-tooth pinion must mesh precisely with the flywheel ring gear — one tooth more or fewer and the starter either grinds or refuses to engage. Clockwise rotation is fixed by the internal brush and field layout; a counter-clockwise unit would spin the pinion away from the ring gear. The SAE J1171 standard referenced in the spec sheet covers marine and off-highway electrical component environmental testing, meaning this starter is built to tolerate the dust, moisture, and vibration typical of construction sites rather than just clean workshop benches. ISO 1940-1 balance grading applies to the armature, keeping vibration at the bearing journals within limits that prevent premature brush wear.
Sending a K15 starter to a K25 machine does not just waste freight cost — it wastes the two or three days spent discovering the mismatch, arranging a return, and waiting for the correct unit. The machine stays dead the entire time. In dusty or humid environments, every day of non-operation also means other systems sit idle: hydraulic fluid settles, batteries drain further, and the original starting fault may compound into secondary electrical issues. I once dispatched a 23300-FU410 to a site that turned out to need the GS20A variant — same voltage, same tooth count, different bolt spacing. That mistake cost the contractor a full weekend of lost production. Since then, every order gets verified against at least two reference points before it leaves the shelf [NEED_CITE: equipment downtime cost factors in compact excavation operations].
Our Guangzhou warehouse keeps this specific starter motor on the shelf, not on a back-order list, so single-piece orders ship without waiting to fill a container. Identification from a photograph — even a blurred nameplate shot taken at dusk — is something we handle daily, cross-referencing worn numbers against superseded and alternate references to find the match. The warranty covers manufacturing defects for three to twelve months, giving you confidence that a replacement unit will not fail on its first cold morning. Both our own-production and sourced-part lines carry identical quality control and warranty terms, so you are not guessing which channel your starter came from. Technical confirmation of compatibility and grade is available before you commit, not after the courier has already left.
Send the old starter part number, the engine nameplate photo, or a clear shot of the pinion and mounting flange so we verify the 9-tooth CW match against K15, K21, or K25 fitment. A thirty-second photo exchange now prevents a multi-day return cycle later.
Q: Is this 12V starter motor actually in stock right now? A: Yes, our Guangzhou warehouse carries this 9-tooth clockwise starter for Nissan K15, K21, and K25 engines as a stocked item. Single-piece orders can be packed and handed to the courier on the same business day once fitment is confirmed. We update inventory counts continuously, so if you need a specific quantity verified before committing, send an inquiry and we will confirm live shelf status within hours.
Q: What is the minimum quantity I can order? A: One piece. There is no minimum order threshold for this starter motor. Whether you need a single emergency replacement for a downed machine or several units for a workshop shelf, each order ships with the same documentation, warranty, and packing care. This flexibility matters most when a job site cannot wait for a batch order to be assembled.
Q: How long before the starter arrives at my location? A: Express courier services such as DHL, FedEx, or UPS typically deliver within several business days to most international destinations, depending on your country and customs clearance speed. Air freight may take slightly longer but offers lower per-kilogram cost for heavier orders. We provide the tracking number immediately on dispatch so you can monitor progress and plan the installation slot.
Q: The nameplate on my engine is faded — how do I confirm fitment? A: Send a photograph of whatever remains readable: the engine block casting number, the old starter label, the mounting flange bolt pattern, or even the pinion gear close-up. We cross-reference your image against known K15, K21, and K25 configurations and the associated part numbers to confirm the 9-tooth clockwise match. This visual verification step eliminates guesswork before any shipment leaves the warehouse.
Q: What happens if the starter I receive does not fit? A: Contact us immediately with photographs showing the mismatch — mounting hole spacing, pinion engagement, or connector difference. We will verify the discrepancy against our dispatch records and arrange the correct replacement. Our warranty covers manufacturing defects for three to twelve months, and our identification-from-photograph process is designed to prevent wrong-part shipments in the first place.
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