Product Specifications
| Parameter | Details |
|---|
| Part Name | 12V Fuel Pump |
| Part Number (OEM Reference) | 42-989, 42-1762, 421762, 42-0989, 42989, 420989, TK-42-989, TK42989 |
| Brand Compatibility | Thermo King |
| Machine Model Fitment | Thermo King Tripac APU, Tri-Pac Evolution |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Original retail box with anti-static foam cushioning |
Compatible Models
| Brand | Applicable Models |
|---|
| Thermo King | Tripac APU, Tri-Pac Evolution |
Frustrated by Frequent Fuel Pump Failures on Your Thermo King Tripac APU?
Every unplanned downtime for a refrigerated trailer or mobile generator means lost revenue — $800–$2,500 per day in logistics penalties and idle driver wages. OEM fuel pumps cost 40% more and take 3 weeks to arrive. Counterfeit 42-989 fuel pumps fail within 300 operating hours due to inconsistent voltage regulation and weak diaphragm seals — triggering secondary failures in your Tripac’s combustion system.
OEM-Equivalent Performance, Stocked & Shipped from Guangzhou
This 12V fuel pump delivers identical flow rate (2.8 L/h), pressure (3.5 bar), and electrical draw (1.2A @ 12V DC) as the original Thermo King 42-989 unit. Built in ISO 9001-certified facilities and tested at full load before shipment, it’s engineered for continuous operation in refrigerated transport and auxiliary power applications — just like the parts we’ve supplied to fleet operators across North America and the Middle East for over a decade.
Where This Part Works
This fuel pump operates under high-vibration, temperature-cycling conditions typical of long-haul refrigerated trailers, port-side container units, and off-grid mobile power systems. It must maintain stable fuel delivery during cold starts (-20°C), extended idling (up to 16 hrs/day), and rapid throttle transitions — making precise internal clearances and EPDM diaphragm integrity non-negotiable. Thermo King Tripac replacement fuel pump reliability directly determines APU uptime in demanding logistics environments.
Engineering Details That Matter
The pump housing is precision-machined from corrosion-resistant aluminum alloy (A380), minimizing thermal expansion mismatch with mounting surfaces. Internal gears use case-hardened steel (HRC 58–62) to withstand repeated start-stop cycles without tooth wear. The diaphragm is molded from fluorosilicone rubber — rated for diesel, biodiesel blends (B20), and ultra-low-sulfur fuel — resisting swelling and cracking beyond 1,200 hours. All sealing surfaces meet ISO 4014 tolerance (±0.02 mm), ensuring leak-free installation without gasket compound or re-torquing.
The Real Cost of Wrong Parts
A $28 counterfeit 42-1762 fuel pump may seem economical — but its inconsistent output causes lean combustion, overheating the Tripac’s cylinder head and shortening overall APU life by 40%. Repair labor averages $220/hour; a single misdiagnosed failure adds $1,400+ in troubleshooting and rework. With OEM-equivalent quality, our 12V fuel pump for Thermo King Tripac APU delivers 1,800+ operational hours at rated load — reducing total cost of ownership (TCO) by 62% over 2 years versus low-tier alternatives.
Why Customers Trust XUNPO
We source only from ISO 9001-certified factories — every batch undergoes incoming material inspection for alloy composition and hardness. Each 42-989 fuel pump is 100% performance-tested at 12V/3.5 bar for 45 minutes before packing. We offer 6-month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, our technical team has verified over 27,000 part-to-machine matches. Our Guangzhou warehouse holds 10,000+ SKUs including this Thermo King Tripac replacement fuel pump — ready for same-day dispatch.
Packaging & Shipping
- Individually sealed in anti-static retail box with molded EPE foam cradle
- 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), sea freight (25–40 days)
- Real-time tracking number provided upon dispatch
- MOQ: 1 piece — supports urgent field repairs and small-fleet maintenance
Get Your 12V Fuel Pump Now
Your Thermo King Tripac APU isn’t generating revenue while it’s offline. Send us your part number (e.g., 42-989 or 42-1762), machine model, and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for functional testing before bulk ordering. Stock is available today in Guangzhou.
Frequently Asked Questions
Q: Is this an original Thermo King part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket fuel pump, manufactured in ISO 9001-certified facilities to match original Thermo King specifications for voltage, pressure, flow, and physical fit.
Q: How do I confirm if this 42-989 fuel pump fits my specific Tripac unit?
A: Provide your exact Tri-Pac Evolution serial number or control module label photo — our technical team will verify compatibility and respond within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering defects in materials or workmanship. No registration required.
Q: What is the minimum order quantity?
A: 1 piece — ideal for urgent replacements, diagnostics, or small fleets.
Q: How soon can I receive the fuel pump after placing an order?
A: In-stock orders ship from Guangzhou within 2–5 working days. Express courier delivery takes 3–5 business days to most destinations.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for functional validation under standard commercial terms.
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
