12V 2.0kW Starter Motor 45-2323 In Stock for Thermo King SB & SL Series

Ready When You Are — Guangzhou warehouse holds verified 45-2323 starter motors for Thermo King refrigerated units, dispatching single units the same week you confirm fitment.

Technical Specifications

Application Suitability

When a Downed Reefer Cannot Wait Three Weeks for a Starter Motor 45-2323

A verified Starter Motor 45-2323 in stock ships within days, not weeks, keeping your cold chain from breaking while you source the right part.

I once watched a cross-border freight terminal lose an entire container of pharmaceuticals because a Thermo King SB-310 starter failed on a Friday night and the replacement part was sitting in an overseas warehouse with a multi-week lead time. The part number was correct. The availability was not. Refrigerated transport does not forgive delays [NEED_CITE: cold chain integrity requirements for temperature-sensitive freight]. When a reefer unit goes down, the cargo clock starts immediately, and every hour of cranking silence translates directly into product loss and contractual penalties.

This Starter Motor 45-2323 in stock at our Guangzhou warehouse addresses that exact gap. One-piece minimum order means a single emergency replacement ships without waiting to bundle a larger batch. Fitment confirmation from a photograph of a worn nameplate typically returns within two hours, so you are not guessing whether the 9-tooth pinion matches your SB-series ring gear while the container temperature climbs.

Confirming the Right Starter Motor Before the Truck Leaves the Yard

Availability means nothing if the part does not fit. The 45-2323 designation covers Thermo King SB and SL series units spanning multiple generations, and variant differences between an SB-200 and an SB-III SR can affect flange orientation and solenoid terminal layout. When a nameplate is faded, painted over, or missing entirely, a clear photograph of the old starter motor housing and mounting face allows our technical team to cross-reference the correct variant. This Starter Motor 45-2323 in stock is verified against the machine model you provide, not just the number stamped on a label that may have been replaced during a prior repair.

How Fast It Actually Reaches Your Workshop

Stock in Guangzhou is only the first link. Express courier typically delivers within a week for urgent single-unit orders. Air freight covers slightly larger quantities within roughly two weeks. Sea freight remains available for planned fleet replenishment where cost matters more than speed. Whichever option fits your situation, freight timing and cost are quoted at the same time as the part itself, so there are no surprises after payment [NEED_CITE: international freight transit benchmarks for aftermarket parts]. Tracking numbers follow dispatch, and the 12V 2.0kW starter motor arrives with packing photographs taken before the crate closes.

What the Specification Sheet Means on a Cold Morning

A 2.0kW output at 12V gives this starter motor the cranking torque needed to turn over a cold diesel engine in a refrigerated unit, where ambient conditions and parasitic loads from the compressor clutch compound starting resistance. The ≥12.5 N·m cranking torque and ≥1,850 RPM at 11.5V rating ensure the pinion engages and spins the flywheel fast enough for reliable ignition, even when battery voltage sags under load. Class H armature insulation rated to 180°C protects against thermal degradation during repeated cranking attempts on a stubborn engine. The zinc-nickel solenoid plating at ≥15μm thickness resists the salt-laden humidity common at marine container yards and coastal freight terminals, where corrosion on the solenoid contacts is a frequent cause of no-crank failures. Pinion shaft runout held to ≤0.05mm ensures clean engagement with the ring gear, preventing the tooth damage that leads to grinding noises and eventual starter replacement.

The Cost of Shipping the Wrong Starter Motor to a Job Site

Ordering a starter motor that looks right but has the wrong flange face perpendicularity or pinion module means the unit sits idle while the return and replacement cycle plays out. For a refrigerated container handler at a port, that idle time is measured in spoiled cargo and missed shipping windows, not just labor hours. A starter with inadequate cranking speed may fire the engine eventually but causes repeated solenoid engagement cycles that wear the pinion and ring gear prematurely [NEED_CITE: starter motor engagement durability in high-cycle fleet applications]. The hidden expense is never just the part price — it is the second downtime event, the expedited freight on the replacement, and the cargo claim from a customer whose goods spent too long above temperature.

Why Buyers Source This Starter Motor Through XUNPO

Our Guangzhou warehouse stocks the 45-2323 starter motor ready for immediate dispatch, eliminating the overseas lead time that leaves reefers sitting warm. Single-piece orders ship without minimum quantity barriers, so one emergency replacement does not require a bulk commitment. Part identification works from a part number, a machine model, or a photograph of a worn nameplate — whatever you have on hand when the unit goes down. Cross-reference verification covers superseded numbers like 20-45-2323 and 10-45-2323, catching mismatches that copied tables often carry forward. Every unit ships under the same warranty terms regardless of whether it comes from our own production line or a qualified ISO-certified manufacturing partner. Technical confirmation of flange pattern and solenoid configuration happens before dispatch, not after the part arrives and does not fit.

Documentation & Verification

• Commercial invoice and packing list with 45-2323 line item and HS code for customs clearance
• Cross-reference sheet listing 452323, S13-207A, and 126486-77010 for identification purposes
• Quality inspection record covering pinion runout, flange perpendicularity, and no-load current test
• Warranty terms document specifying 3–12 month coverage against material and workmanship defects
• Packing photographs taken before crate closure, showing starter motor protection and box labeling

Stock, Shipping & Arrival

• Starter Motor 45-2323 confirmed in Guangzhou warehouse inventory before invoice is issued
• Express courier option delivers single-unit orders within days for downed reefer emergencies
• Air and sea freight alternatives quoted alongside the part for planned fleet replenishment
• Tracking number provided upon dispatch with estimated arrival window for your location
• Packaging rated for courier handling, protecting solenoid terminals and pinion gear during transit

Inquiry Guidance

Send the part number from your old starter, the Thermo King unit model, or a photograph of the nameplate and mounting face. We confirm stock status, verify the 9-tooth pinion and flange configuration match your machine, and quote freight timing and options in the same response — typically within two hours of receiving your message.

Frequently Asked Questions

Q: Is the Starter Motor 45-2323 currently in stock and ready to ship? A: Yes, this starter motor is held in our Guangzhou warehouse for immediate dispatch. Stock status is confirmed in real time before we issue an invoice, so you are not paying for a part on backorder. Single units ship the same week fitment is verified.

Q: Can I order just one starter motor, or is there a minimum batch requirement? A: One piece is the minimum order. Emergency replacements for a single downed Thermo King SB or SL unit ship without requiring you to bundle additional quantities. This keeps your repair moving without tying up budget in shelf inventory.

Q: How soon will the starter motor arrive after I place the order? A: Express courier typically delivers within days for urgent single-unit shipments. Air freight covers slightly larger orders within roughly two weeks. Exact transit timing and cost are quoted when you confirm the order, based on your destination and chosen method.

Q: My Thermo King nameplate is worn or painted over — how do I confirm fitment? A: Send a photograph of the old starter motor, focusing on the mounting flange and solenoid area. Our technical team cross-references the visible features against the SB and SL series configurations and confirms the correct variant within hours.

Q: What happens if the starter motor arrives and does not fit my machine? A: Notify us immediately with photographs of the fitment discrepancy. We verify the mismatch against the cross-reference sheet provided with shipment and arrange resolution under the warranty terms, covering material and configuration accuracy.