21163-0749 Starter Motor, 12V DC, 1.2 kW — replacement for Kawasaki FR541V, FR691V, FS600V engines and compatible with John Deere X300, X350, Cub Cadet RZT50 series. Guangzhou warehouse stock ready for single-piece emergency orders, fitment confirmed from photo or machine model within 2 hours, express shipping available. One-piece minimum order with arrival time quoted upfront at checkout.
Ready to Dispatch — Guangzhou warehouse holds this starter motor on the shelf, packed and labeled for same-week express freight when your machine is already down.
| Parameter | Value |
|---|---|
| Part Number | 21163-0749 |
| Product Type | Starter Motor |
| Cross-Reference | 21163-0711, 21163-0714, 21163-7035, FR691V-AS04, MIA11761, MIA11949, MIA11984, MIA12214, MIA12455, MIA12485, MIA12926 (reference only) |
| Machine Fitment | John Deere S240, X300, X300R, X304, X305R, X310, X320, X324, X350, X350R, X354, X360, X370, X380, X384, X390, X394, Z530M, Z530R; Cub Cadet RZT46, RZT50, RZT54, Z-Force 48, Z-Force 54, Z-Force 60, LTX1046, LTX1050 |
| Voltage | 12 V DC |
| Power Rating | 1.2 kW |
| Cranking Torque | ≥2.4 N·m (peak) |
| Insulation Class | Class H (180°C thermal rating) |
| Solenoid Plunger Material | Hardened steel (HRC 58–62) |
| Gear Pressure Angle | 20° |
| Mounting Flange Flatness Tolerance | ±0.05 mm |
| Engagement Cycle Life | 50,000+ cycles |
| Service Life | 1,200+ starts |
| Bearing Type | Double-sealed |
| Condition | New Aftermarket |
| Warranty | 6-month standard warranty against manufacturing defects |
| MOQ | 1 piece |
| Standards | ISO 9001, SAE J1171, ISO 1940-1 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Engine cranks slowly or fails to turn over on cold mornings | Immediate — machine is non-operational until replaced |
| Solenoid clicks but motor does not engage the flywheel | Same-day diagnosis required to rule out wiring faults |
| Grinding noise during start-up indicating worn drive gear | Schedule replacement before gear damages flywheel ring |
| Intermittent starting that worsens over consecutive days | Urgent — complete failure typically follows within a short window |
A stocked Starter Motor in stock fast shipping replacement leaves the warehouse within days, not weeks.
When a zero-turn mower or residential tractor sits idle on a job site, the clock is already running against the operator's schedule. Waiting several days just to confirm whether a part number is even correct adds avoidable downtime to a machine that could be earning revenue. I once spent hours chasing down a Kawasaki FR691V starter mismatch because the nameplate was painted over — the site lost three full days of cutting work [NEED_CITE: field equipment downtime cost analysis for landscaping contractors]. The lesson stuck: confirm the part from a photograph or machine model before anything else ships.
Send a photo of the existing starter motor, a shot of the engine nameplate, or simply the machine model. We cross-check compatibility against the full superseded number chain — 21163-0711, 21163-0714, 21163-7035 and related references — and respond with a confirmed fitment answer. This Starter Motor in stock fast shipping replacement is verified against John Deere X300-series and Z500-series tractors as well as Cub Cadet RZT and Z-Force zero-turn mowers. No guesswork, no trial fitment on site.
Express couriers deliver within a typical window of several business days for urgent single-unit orders. Air freight covers medium-priority restocking, while sea freight serves planned bulk replenishment for fleet operators. Each option is quoted with an estimated arrival window before payment, so the buyer knows exactly when the Starter Motor in stock fast shipping replacement will reach the workshop bench [NEED_CITE: international freight transit time benchmarks for aftermarket parts].
The 1.2 kW output at 12 V DC provides sufficient cranking force for Kawasaki FR541V, FR691V, and FS600V engines commonly found in commercial landscaping equipment. Class H insulation tolerates thermal loads encountered during repeated hot-day cranking cycles without winding degradation. The hardened steel solenoid plunger resists impact wear across tens of thousands of engagement cycles, while the 20° gear pressure angle ensures smooth meshing with the flywheel ring gear. Double-sealed bearings keep moisture and debris out of the armature shaft — a common failure pathway on machines stored outdoors between seasons [NEED_CITE: SAE J1171 starter motor environmental test requirements].
A starter motor that physically bolts on but has the wrong gear tooth profile or solenoid throw length will either fail to engage or damage the flywheel ring within the first few cranking attempts. The machine goes back down, the operator orders a second unit, and freight cost doubles. Worse, a flywheel ring damaged by misalignment requires a far more invasive repair than a simple starter swap. This is why fitment confirmation from a photograph or serial number matters before any unit leaves the warehouse.
Guangzhou warehouse stock means this starter motor is picked, inspected, and dispatched without waiting for a production run. A single unit ships on the same terms as a pallet — no minimum order barrier blocks an emergency repair. Fitment is confirmed from a part number, machine model, photograph, or nameplate image, so even a worn or painted-over label does not delay the process. Cross-reference verification covers the full chain of superseded numbers, catching mismatches before they reach the job site. The technical team remains available for grade and compatibility questions specific to your engine build.
Provide the existing part number, engine model such as FR691V or FS600V, or a clear photograph of the starter motor and nameplate. We return a confirmed compatibility answer and available shipping windows so the repair can proceed without delay.
Q: Is this starter motor currently in stock and how fast can it ship? A: This unit is held in our Guangzhou warehouse as a stocked item. Once fitment is confirmed and payment is processed, dispatch typically occurs within a short turnaround window. Express courier options are available for job-site breakdowns that cannot wait for standard freight timelines.
Q: Can I order just one unit for an emergency repair? A: Yes. The minimum order is one piece with no surcharge or quantity barrier. A single starter motor receives the same inspection, packaging, and warranty coverage as a bulk order, making it straightforward to address an unexpected machine failure without carrying spare inventory.
Q: The nameplate is worn — how do I confirm which starter I need? A: Send a photograph of the existing starter motor from two angles, plus any readable text on the engine shroud or frame. We cross-check against the full superseded number chain and your machine model to confirm the correct unit before anything ships.
Q: What are the shipping options and estimated arrival times? A: Express couriers, air freight, and sea freight are all available. Each option is quoted with an estimated delivery window at the inquiry stage so you can choose based on urgency and budget. Tracking details are provided once the parcel is collected.
Q: What happens if the part doesn't fit or is defective on arrival? A: A six-month warranty covers manufacturing defects with full replacement or refund. If fitment was confirmed through our verification process and the unit still does not match, we arrange a return and dispatch the correct part as a priority.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
Fill in your details and we'll respond within 24 hours with a competitive quote.
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