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15531-64017 Alternator, 12V 14A — replacement for Kubota B Series tractors, supplied with rectifier regulator for immediate field installation.
Single-piece order ships within working days, arrival window quoted at order stage.
Single-Piece Dispatch — Guangzhou warehouse holds 12V 14A alternator units ready for immediate release, one piece minimum, freight options quoted at inquiry.
| Parameter | Value |
|---|---|
| Part Number | 15531-64017 |
| Product Type | Alternator |
| Cross-Reference (reference only) | 15531-64017, 1553164017, 15531-54013, 1553154013, 15531-64016, 1553164016, 6C040-59252, 6C04059252, 15531-64603, 15531-64601, RS5101, RS5155 |
| Machine Fitment | Kubota B1550D, B1550E, B1700DT, B1700E, B1700HSD, B20, B2100DT, B2100HSD, B2400HST, B2410, B2630HSD, B2710HSD, B2910HSD, B3030HSD, B5200DT, B5200E, B6200DT, B6200E, B6200HSD, B7300HSD, B7400HSD, B7410DT, B7500DT, B7800HSD, B8200DT, B8200E, B9200DT, B9200E, BX1500D, BX1800D, BX1830D, BX22, BX2200D, BX2230D, BX23LB, F2000, F2100E, G1800, G1900, G2000, G3200, G4200H, G5200H, G6200H, GF1800, K008, KH007, KH35, KH41, KH61, RTV500, T1600H, ZD18, ZD21, ZD25, ZD28 |
| Voltage | 12V |
| Amperage | 14A |
| Regulator Type | Integrated rectifier regulator |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging Contents | 1pc Alternator + 1pc Regulator |
| Manufacturing Standard | ISO-certified facility |
| Failure Symptom | Replacement Urgency |
|---|---|
| Dashboard lights dim or fail to illuminate during operation | Immediate — tractor stalled in field, daylight hours lost |
| Battery not charging despite engine running at working RPM | Same-day dispatch needed — machine cannot sustain electrical load |
| Alternator bearing noise escalating over consecutive work cycles | Urgent within days — bearing seizure risks belt and pulley damage |
| Intermittent charging output under vibration from mowing or hauling | Scheduled within a week — output drops below threshold unpredictably |
| Rectifier diode failure causing AC ripple in electrical system | Immediate — sensitive gauges and controllers at risk of damage |
A confirmed part number and a realistic arrival date, both locked before payment clears.
When a Kubota B Series tractor sits idle in an orchard row or on a grading job, the alternator is rarely the first suspect. Technicians check belts, batteries, and wiring before the charging system itself. By the time the diagnosis lands on the alternator, the machine has already been down for hours or a full shift. The bottleneck then shifts from diagnosis to sourcing — waiting for a supplier to confirm whether 15531-64017 is the correct number for that specific serial range, whether the unit is physically in stock, and whether it can ship today or next week. [NEED_CITE: typical downtime costs for agricultural and light construction equipment per idle hour]
Most aftermarket listings for this 15531-64017 alternator do not state real-time availability. Buyers send inquiries, wait for replies across time zones, and lose another day before freight is even booked. The gap between "in stock" on a webpage and "dispatched from warehouse" is where machines stay broken.
Getting a 15531-64017 alternator to a downed machine starts with confirming the part actually fits. Kubota B Series tractors span decades of production, and the same base alternator number may carry internal differences in rectifier configuration or mounting ear spacing across model years. Sending a machine model alone is sometimes enough, but when the nameplate is corroded or painted over, a photograph of the old unit — connector side and mounting bracket side — closes the identification gap faster than any cross-reference table.
This 15531-64017 alternator ships from Guangzhou stock with a one-piece minimum. No MOQ threshold blocks a single emergency purchase for a stalled B7800HSD or BX2200D. Real-time stock confirmation is issued before any payment is collected, so the buyer knows the unit is physically on the shelf rather than allocated to a pending order.
The 15531-64017 alternator is compact and light enough for express courier dispatch, which typically reaches most international destinations within a matter of days rather than weeks. For buyers consolidating multiple line items, air freight and sea freight options are quoted alongside express, with estimated arrival windows stated at the inquiry stage — not buried in a post-order confirmation.
Time zone alignment with the Guangzhou warehouse means inquiries received during Asian business hours are answered the same day, and dispatch instructions issued before the warehouse closes. [NEED_CITE: international small-parcel freight transit windows from southern China to major equipment markets] Weekend and after-hours messages are queued for priority response, which matters when a contractor discovers a charging fault on a Friday afternoon.
The 14A output at 12V matches the electrical load profile of Kubota B Series tractors used in field work, orchard maintenance, and commercial mowing. These machines typically run lighting, instrument clusters, and occasionally electric PTO clutches or spray controllers — loads that sit comfortably within a 14A envelope but leave little headroom for added accessories.
The integrated rectifier regulator packaged with the alternator manages voltage output across the RPM range the engine encounters during typical work cycles, from low-idle trenching to high-RPM mowing. Rectifier diode quality directly affects AC ripple, which in turn affects the lifespan of any electronic controllers connected to the machine's electrical bus. The manufacturing partner holds ISO certification, and each unit carries a warranty against defects for a defined period from delivery.
Misidentifying an alternator by relying on a faded nameplate or an unverified cross-reference table does not just waste freight charges. The machine stays down while the correct unit is sourced and shipped a second time. In a documented case involving a Kubota B Series tractor, a blurry photograph of a worn data plate led to an incorrect alternator being dispatched; the mounting ears did not align, the machine sat idle for additional days, and the contractor lost an entire work window before the correct 15531-64017 alternator arrived and was fitted. [NEED_CITE: equipment downtime compounding effect from incorrect parts procurement]
That failure mode is avoidable. Verification against machine model, serial range, and physical photographs of the old unit — connector pin count, mounting ear orientation, pulley groove count — takes minutes and prevents days of compounded downtime.
Guangzhou warehouse stock means this alternator is physically available for same-cycle dispatch, not listed as available against a future replenishment order. Single-piece orders are accepted without surcharge, which matters when a repair shop needs exactly one unit to close a job ticket. Part identification is completed from a part number, machine model, or nameplate photograph, reducing the back-and-forth that delays urgent orders. Cross-reference verification covers superseded numbers such as 15531-54013 and 6C040-59252, confirming they map to the same physical unit before dispatch. The technical team confirms amperage rating and connector type compatibility before the order ships, not after it arrives and fails to connect.
Send the machine model, serial number if legible, and clear photographs of the existing alternator — connector face, mounting bracket, and any readable stamping on the housing. If the nameplate is gone, a photo of the engine data plate plus the old alternator's physical dimensions is enough to verify whether this 15531-64017 alternator matches your machine. Stock status and freight options with estimated arrival are returned in the same response.
Q: Is this 15531-64017 alternator in stock right now and when can it ship? A: Current warehouse stock status is confirmed in real time at inquiry. Units on the shelf are released for dispatch within the same working day once order details are finalized. Freight options with estimated arrival windows are quoted before you commit, so there is no gap between payment and knowing when the part reaches your site.
Q: Can I order just one alternator for an emergency repair? A: Yes. The minimum order is one piece with no surcharge applied to single-unit purchases. This matters when a Kubota B Series tractor is down and you need exactly one 15531-64017 alternator to close the job, not a carton quantity to meet a threshold.
Q: How do I confirm fitment if my nameplate is worn or unreadable? A: Send a clear photograph of the old alternator showing the connector face and mounting bracket, along with the machine model. Cross-reference verification against known superseded numbers confirms whether this unit matches your specific serial range before any part is dispatched.
Q: What shipping options are available and how long does each take? A: Express courier, air freight, and sea freight are all available. Estimated transit times for each option are quoted at the inquiry stage based on your destination. Express is typically selected for single-unit emergency orders to minimize machine downtime.
Q: What happens if the part arrives and does not fit my machine? A: Fitment is verified before dispatch using your machine model, serial number, or photographs. If an incorrect unit is received despite pre-shipment verification, warranty terms cover resolution. Providing accurate identification information at the order stage is the most reliable way to prevent this outcome.
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