Product Specifications
| Parameter | Details |
|---|
| Part Name | 12V Fuel Stop Solenoid Valve |
| Part Number (OEM Reference) | 41-9100, 42-0100, 41-4306, 41-7886, 42-1700 |
| Brand Compatibility | Thermo King |
| Machine Model Fitment | TK249, TK374, TK388, TK395, TK482, TK482E, TK486, TK486E, TK486V |
| Electrical Specification | 12V DC, normally closed (NC), solenoid-actuated fuel shutoff |
| Condition | New Aftermarket |
| Warranty | 6-month standard warranty against manufacturing defects |
| Packaging | Individual anti-static bag + molded foam insert + sturdy export carton |
Compatible Models
| Brand | Applicable Models |
|---|
| Thermo King | SLXi Spectrum, SLXi-100/200/300 Whisper Pro/400, SLXe 200–400 & Spectrum-50, SB I/II/III & SB-III Multi-Temp, T-Series (T-580R, T-600R, T-680S, T-800R, T-880R, T-1000S/R, T-1080R/S, T-1200R Spectrum, T-1280 Spectrum), TS-XDS/200/300/500/600, SLX 100–400 & Whisper, SMX, Super II, TriPac APU, KD II, MD 100/200/300/II, RD II/SR, TD II, UTS, SENTRY II, PRECEDENT C-600/G-700/610DE/600M, SL 100–400e & Multi-Temp, SL-400E SR2 |
Tired of Unexpected Shutdowns? Get the Right 12V Fuel Stop Solenoid Valve for Your Thermo King TK486 Transport Refrigeration Unit
Transport refrigeration units stopping mid-route cost fleets thousands in spoiled cargo, delivery penalties, and emergency service calls. Counterfeit or low-cycle solenoids fail after just 3–6 months — triggering false shutdowns on TK486 or SLXi systems. OEM replacements mean 3-week waits and 40% markup, delaying critical reefer repairs during peak season.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This 12V fuel stop solenoid valve meets original Thermo King performance specs for voltage response time, coil resistance, and sealing force — verified by pre-shipment functional testing. Built by ISO 9001-certified factories with 10+ years’ experience supplying aftermarket electrical components for transport refrigeration. Designed for immediate drop-in replacement on TK249 through TK486 engines and SLXi/SB/T-Series units — no wiring modification or calibration needed.
Where This Part Works
This solenoid operates continuously in demanding environments: refrigerated trailers crossing desert highways (ambient temps up to 55°C), port-side container stacks with salt-laden air, and urban last-mile delivery fleets running 18-hour cycles. It controls diesel fuel flow to the engine during start-stop sequences — failure causes hard starting, stalling under load, or uncommanded shutdowns during temperature-critical cargo runs. Thermo King SLXi 12V stop solenoid reliability directly impacts cold chain integrity.
Engineering Details That Matter
The solenoid coil uses Class H insulation rated to 180°C — essential for sustained operation near hot engine blocks and exhaust manifolds. Precision-machined stainless steel plunger and seat ensure consistent 0.5ms actuation timing across 500,000+ cycles. Viton® O-rings resist degradation from biodiesel blends and refrigerant oils common in modern TK486 fuel systems. Dimensional tolerances hold within ±0.05 mm to guarantee full interchangeability with 41-9100 and 42-0100 OEM housings. Surface-hardened armature prevents magnetic sticking after prolonged vibration exposure in highway applications.
The Real Cost of Wrong Parts
A $12 counterfeit solenoid may save upfront but costs $2,800 per incident: $1,200 in spoiled pharmaceuticals or frozen food, $900 in emergency technician dispatch and roadside repair, $500 in late-delivery fines, plus downtime-related labor and scheduling loss. Genuine-equivalent parts like this 41-9100 replacement reduce total cost of ownership (TCO) by extending mean time between failures (MTBF) from 6 to 24+ months — validated against ISO 16750-4 vibration and SAE J1455 thermal cycling standards.
Why Customers Trust XUNPO
Only ISO 9001-certified factories supply our solenoid valves — incoming materials inspected batch-by-batch for copper purity and wire gauge compliance. Every unit undergoes 100% functional testing: voltage drop, coil resistance, seal integrity at 3.5 bar, and 10,000-cycle endurance simulation before shipment. We offer 6-month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, we’ve shipped over 86,000 Thermo King electrical components since 2016. Our 22-person technical team confirms part fitment within 2 hours using OEM service manuals and real machine VIN decoding. Guangzhou warehouse holds 1,200+ units of this solenoid in stock — ready for same-day pick-and-pack.
Packaging & Shipping
- Individually sealed in static-shielded polybag with molded EPE foam cradle inside a double-walled corrugated export box
- In-stock items ship within 2–5 working days after order confirmation
- Flexible logistics: DHL/FedEx express (3–5 days), air freight (7–12 days), or sea freight (25–40 days)
- Real-time tracking provided from Guangzhou warehouse to destination port or door
- MOQ is 1 piece — supports urgent field repairs and single-unit validation
Get Your Thermo King Fuel Stop Solenoid Now
Your reefer unit shouldn’t wait weeks for a solenoid. Send us your current part number (e.g., 41-9100 or 42-0100), exact Thermo King model (e.g., TK486 or SLXi-400), and required quantity — we’ll email a firm quote within 24 hours. First-time buyers can request a sample for bench testing. Every hour your unit sits idle costs revenue — act now to restore uptime.
Frequently Asked Questions
Q: Is this an original Thermo King part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket solenoid valve, manufactured by ISO 9001-certified factories to match original Thermo King performance and dimensional specifications.
Q: How do I confirm this fits my specific Thermo King unit?
A: Provide your unit’s model number (e.g., SLXi Spectrum-50) and serial number or engine tag (e.g., TK486V), and our technical team will verify compatibility within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery against manufacturing defects — includes free replacement or refund if failure is confirmed as material or workmanship related.
Q: What is the minimum order quantity?
A: 1 piece — designed for urgent maintenance, sample validation, or small fleet operators.
Q: How fast can I receive it?
A: In-stock orders ship from Guangzhou within 2–5 working days. Express courier delivery takes 3–5 days to most North American and European destinations.
Q: Can I get a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for functional testing 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
