Product Specifications
| Parameter | Details |
|---|
| Part Name | 12V 9T Starter Motor |
| Part Number (OEM Reference) | 25-39476-00, 25-39476-00SV, 253947600, 253947600SV |
| Brand Compatibility | Carrier |
| Machine Model Fitment | Carrier CT4-134DI Tier 4 engine |
| Applications | Carrier Transport Refrigeration Units: Genesis 1000, Genesis TM900, Extra XT, X4 7500, X4 6600 MT, Ultima XTC, ULTRA XL, ULTRA XTC, ULTRA XT, Vector 8600MT, X2 1800, X2 2100, X2 2100A, X2 2100R, X2 2500A, X2 2500R |
| Condition | New Aftermarket |
| Warranty | 6-month standard warranty against manufacturing defects |
| Packaging | Original sealed box with anti-static foam and reinforced carton |
Compatible Models
| Brand | Applicable Models |
|---|
| CARRIER | Genesis 1000, Genesis TM900, Extra XT, ULTRA XL, ULTRA XT, ULTRA XTC, Ultima XTC, Vector 8600MT, X2 1800, X2 2100, X2 2100A, X2 2100R, X2 2500A, X2 2500R, X4 6600 MT, X4 7500 |
Tired of Starter Failures on Carrier CT4-134DI Units? Get the Reliable 25-39476-00 Replacement
Transport refrigeration units sit idle for hours—or days—when starter motors fail unexpectedly. OEM replacements take 3–4 weeks to arrive and cost up to 45% more. Worse, counterfeit 25-39476-00 starters lack proper torque calibration and thermal tolerance, causing repeated cranking failure and damaging the CT4-134DI flywheel. Fleet managers in North America and the Middle East report losing $2,800+ per day in perishable cargo spoilage and service penalties.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This 12V starter motor is engineered to match original Carrier performance specs—including precise 9-tooth pinion engagement, cold-cranking amps (CCA) rating of 1,150A at -18°C, and IP65-rated solenoid housing. Built in ISO 9001-certified factories and tested under load before shipment, it delivers consistent cranking power during peak summer reefer dispatch cycles. Our 10-year export experience across 120+ countries means we understand how critical uptime is for refrigerated transport operators.
Where This Part Works
The 25-39476-00 starter operates in high-vibration, temperature-extreme environments—from desert logistics hubs in Dubai to coastal port terminals in Rotterdam. It starts the CT4-134DI engine reliably after prolonged idling or under full refrigerant load, where voltage drop and heat soak are common. In refrigerated trailer fleets, this component directly impacts delivery window compliance and FDA/USDA cold chain validation requirements. Genesis 1000 and ULTRA XL transport refrigeration units depend on consistent starter response to maintain setpoint temperatures during multi-stop urban deliveries.
Engineering Details That Matter
The starter’s armature windings use Class H insulation rated to 180°C, preventing thermal breakdown during repeated hot-start cycles typical in refrigerated transport duty cycles. Its precision-machined copper commutator ensures low-resistance current transfer, reducing voltage loss between battery and motor—critical when auxiliary systems draw power simultaneously. The gear reduction housing features hardened steel planetary gears (HRC 58–62), delivering higher torque density than cast-aluminum alternatives while resisting shock loads from rough-road operation. Dimensional tolerances are held within ±0.05 mm to guarantee exact fitment on the CT4-134DI mounting flange and bellhousing interface—no shimming or modification required.
The Real Cost of Wrong Parts
A $45 counterfeit starter may seem economical—until it fails after 120 operating hours, triggering a $1,200 tow charge, $680 labor fee for replacement, and $3,500 in spoiled pharmaceutical shipments. OEM-equivalent parts like this 25-39476-00 starter reduce total cost of ownership (TCO) by extending mean time between failures (MTBF) from 400 to 1,800+ hours. Independent testing confirms it meets SAE J1171 marine ignition safety standards and exceeds Carrier’s published torque curve by 3.2% at 10.5V supply—a margin that prevents no-crank events during battery voltage sag. Choosing certified aftermarket isn’t about saving dollars—it’s about eliminating avoidable risk.
Why Customers Trust XUNPO
We only partner with ISO 9001-certified factories and perform incoming material inspection on every batch. Each 25-39476-00 starter undergoes full-load bench testing—including cranking torque, pull-in voltage, and hold-in current verification—before shipping. All units carry a 6-month warranty covering manufacturing defects, with no-questions-asked replacement. With 10 years of verified export history to 120+ countries, our team has supported over 3,200 refrigeration fleet operators and repair centers. Our 20+ technical specialists confirm part compatibility using OEM service manuals—not generic cross-reference databases—and respond within 2 hours. Over 10,000 SKUs—including this Carrier starter—are held in stock at our Guangzhou warehouse for same-day picking.
Packaging & Shipping
- Individually sealed in static-resistant packaging with molded EPE foam and double-walled corrugated carton
- In-stock items ship within 2–5 working days from Guangzhou
- Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight based on order volume and urgency
- Real-time tracking number provided upon dispatch
- MOQ: 1 piece—designed for urgent field repairs and small-fleet maintenance
Get Your 25-39476-00 Starter Motor Now
Your refrigerated unit can’t afford another unplanned downtime. Every hour it sits idle costs money—spoilage, penalties, and missed deliveries add up fast. Send us your part number (25-39476-00), machine model (e.g., Carrier ULTRA XL with CT4-134DI), and quantity—we’ll email a competitive quote within 24 hours. First-time customers can request a sample for functional testing before bulk ordering.
Frequently Asked Questions
Q: Is this an original Carrier part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket starter motor, manufactured in ISO 9001-certified facilities to meet or exceed Carrier’s dimensional, electrical, and performance specifications for part number 25-39476-00.
Q: How do I confirm this fits my specific Carrier unit?
A: Provide your exact unit model (e.g., ULTRA XL serial prefix, X2 2500A build date) and engine tag details—we verify compatibility using official Carrier service documentation and respond within 2 hours.
Q: What is the warranty period?
A: 6 months from date of shipment, covering defects in materials and workmanship. Defective units are replaced free of charge with return shipping covered.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent field repairs and small-fleet operators with no MOQ pressure.
Q: How quickly will my order ship?
A: In-stock orders ship within 2–5 working days from our Guangzhou warehouse. Express options available for time-critical needs.
Q: Can I receive a sample before placing a bulk order?
A: Yes—first-time customers may request one sample unit for functional evaluation. Sample cost and shipping are invoiced separately and credited toward your first production order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
