Product Specifications
| Parameter | Details |
|---|
| Part Name | 12V 9T 2.0kW Starter Motor |
| Part Number (OEM Reference) | 45-2323, 452323, 10-45-1688, 45-1688, 845-2323, 20-45-2323, S13-207A, 126486-77010 |
| Brand Compatibility | Thermo King, Carrier Transicold, Hitachi, Yanmar |
| Machine Model Fitment | Thermo King SB-200, SB-210, SB-300, SB-310, SB-II SR, SB-III SR, SL100, SL200, SL300, SL400 |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original retail box with anti-static foam and reinforced corrugated carton |
Compatible Models
| Brand | Applicable Models |
|---|
| Thermo King | SB-200, SB-210, SB-300, SB-310, SB-II SR, SB-III SR, SL100, SL200, SL300, SL400 |
| Carrier Transicold | 20-45-1688, 20-45-2323, 20-45-2323RM |
| Hitachi | S13-207A, S13-207C |
| Yanmar | 126486-77010, 126486-77011, 129486-77011 |
Tired of Repeated Starter Failures on Your Thermo King SB/SL Units?
Every unplanned shutdown of a refrigerated trailer or transport unit costs operators hundreds to thousands in lost revenue, penalty clauses, and emergency labor. OEM starter motors for Thermo King SB and SL series often take 3–4 weeks to arrive — delaying deliveries and stranding fleets. Worse, counterfeit 45-2323 starters fail within weeks due to undersized armatures and poor commutator materials, triggering repeat service calls and safety risks.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This 12V 2.0kW starter motor is engineered to match original Thermo King performance specifications — built by ISO 9001-certified factories with full pre-shipment torque, voltage drop, and engagement cycle testing. With 10 years’ global export experience and over 10,000 SKUs in stock, we supply verified replacements for SB-II SR and SL300 units used in cross-border logistics, port refrigeration, and food distribution — no guesswork, no delays.
Where This Part Works
This starter motor operates under high-cycle, low-temperature conditions typical in refrigerated transport: frequent cold starts at -20°C, vibration from road shock, and exposure to salt-laden air near coastal ports or winter roads. In mining haul trucks or container yard tractors where Thermo King units power auxiliary cooling, reliable cranking is non-negotiable — a single failure halts cargo handling, disrupts just-in-time schedules, and triggers demurrage fees. Thermo King SB starter and SL starter applications demand precision timing and consistent 9T gear engagement — which this unit delivers.
Engineering Details That Matter
The armature uses copper windings with Class H insulation (180°C rating), preventing thermal degradation during repeated cranking cycles in hot ambient conditions. The solenoid coil is wound to exact OEM resistance specs (2.3 ± 0.2 Ω), ensuring correct pull-in and hold-in current draw — avoiding relay chatter or premature burnout. Gear teeth are hardened to 58–62 HRC and precisely ground to maintain backlash within 0.12–0.18 mm, guaranteeing smooth meshing with the flywheel ring gear without grinding or skipping. All internal bearings are sealed double-row deep-groove types rated for 10,000+ start cycles. The housing is die-cast aluminum with anodized finish — corrosion-resistant in marine and de-icing chemical environments.
The Real Cost of Wrong Parts
A $45 counterfeit starter may save $20 upfront but typically lasts less than 3 months — versus 18+ months for this ISO-built unit. Each replacement requires 1.5–2 hours of certified technician time, plus refrigerant recovery/recharge ($120–$180) and trailer downtime averaging $650/day. Over 12 months, three failures cost over $3,200 — more than triple the price of one genuine-equivalent 45-2323 starter motor for SB-200 or SL300. OEM-spec dimensional tolerances and material certifications (per ISO 5801 and SAE J1171) aren’t optional — they’re what prevent cascading damage to flywheels, relays, and battery systems.
Why Customers Trust XUNPO
We partner exclusively with ISO 9001-certified manufacturers — every batch undergoes incoming inspection for magnet strength, winding resistance, and gear hardness. Every starter motor is 100% bench-tested for cranking torque (≥125 N·m), voltage drop (<0.8 V at 200A), and solenoid response time (<35 ms). We offer 3–12 month warranty covering all manufacturing defects — no restocking fees, no hassle. With 10 years exporting to 120+ countries — including repeat orders from logistics fleets in Germany, Saudi Arabia, and Colombia — our technical team has verified over 12,000 Thermo King and Carrier part numbers. Our Guangzhou warehouse holds 500+ units of this 45-2323 starter motor in stock, ready for same-day dispatch.
Packaging & Shipping
- Individually packed in rigid retail box with ESD-safe foam inserts and moisture barrier lining
- In-stock items shipped within 2–5 working days after payment confirmation
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (5–12 days), or sea freight (25–40 days)
- Real-time tracking provided via email and WhatsApp upon dispatch
- MOQ: 1 piece — supports urgent field repairs and small fleet operators
Get Your 45-2323 Starter Motor Now
Your Thermo King SB or SL unit shouldn’t sit idle waiting for parts. Send us your machine model (e.g., SL300), quantity, and destination — we’ll reply with a formal quote within 24 hours. First-time buyers can request a sample for functional testing before bulk order. With stock in Guangzhou and direct factory coordination, you avoid OEM lead times and counterfeit risk — getting back on schedule, not on hold.
Frequently Asked Questions
Q: Is this an original Thermo King part or a replacement?
A: This is an OEM-equivalent aftermarket starter motor, manufactured by ISO 9001-certified factories to meet Thermo King 45-2323 dimensional, electrical, and performance specifications.
Q: How do I confirm if this fits my specific SB-II SR or SL400 unit?
A: Provide your exact model number and serial prefix (e.g., SL300-XXXXX) — our technical team verifies compatibility and replies within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months against manufacturing defects; defective units are replaced free of charge with return shipping covered.
Q: What is the minimum order quantity?
A: 1 piece — no bulk requirement. Ideal for urgent repairs or validation testing.
Q: How fast can I receive it?
A: In-stock orders ship within 2–5 working days. Express courier delivery takes 3–7 days depending on destination.
Q: Can I get a sample before placing a larger order?
A: Yes — first-time customers may request one sample unit for functional evaluation prior to bulk purchase.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
