Fuel Pump
12V Fuel Pump 42-989 | Ready to Ship for Thermo King Tripac APU
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Fuel Pump 42-989 Fuel Pump Fuel System

12V Fuel Pump 42-989 | Ready to Ship for Thermo King Tripac APU

12V Fuel Pump 42-989 for Thermo King Tripac APU, 3.5 bar, 1.8 L/min — kept in our Guangzhou warehouse for immediate dispatch when your reefer trailer or Tri-Pac Evolution unit goes down mid-route. One piece ships the same day, and if the nameplate is worn or painted over, a photo of your APU lets our team confirm the correct cross-reference within 2 hours.

  • Ready stock with express (3–5 days), air (7–12 days), or sea freight options quoted upfront
  • Gold-plated brass contacts and NBR diaphragms rated -20°C to +60°C
  • 6-month warranty with prepaid return label if fitment fails

Dispatch window confirmed before you commit — no guessing on arrival time.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Same-Day Dispatch — Our Guangzhou warehouse holds ready inventory of this 12V fuel pump for Thermo King Tripac APU units, confirmed and shipped the moment your machine model or nameplate photo verifies fitment.

Technical Specifications

Parameter Value
Part Number 42-989
Cross-Reference 42-1762, 421762, 42989, 420989, 42-0989, TK-42-989, TK42989 (reference only)
Product Type Fuel Pump
Machine Fitment Tripac APU, Tri-Pac Evolution
Voltage 12V DC
Output Pressure 3.5 bar
Flow Rate 1.8 L/min ±5%
Operating Temperature -20°C to +60°C
Housing Material Reinforced polymer composite
Diaphragm Material Nitrile rubber (NBR), Shore A 70
Electrical Contacts Gold-plated brass
Dimensional Tolerance ±0.15 mm
Certification ISO 9001, ISO 8528-10
Condition New Aftermarket
Warranty 6-month manufacturing defect coverage

Application Suitability

Failure Symptom Replacement Urgency
APU fails to start or stalls under load Immediate — refrigerated cargo at risk of spoilage
Intermittent fuel delivery causing rough idle High — progressive failure leads to full stop
Audible clicking from pump with no fuel flow Immediate — diaphragm or valve failure confirmed
Voltage present at connector but pump inactive Immediate — internal electrical fault

What Arrives Before the Machine Can Move Again

A verified 12V Fuel Pump 42-989 in stock fast shipping replacement ready to leave our Guangzhou facility within hours of confirmation.

When a Tri-Pac Evolution APU quits on a loaded reefer trailer, the clock starts against cargo temperature. Every hour spent waiting for a supplier to confirm whether a worn part number still crosses to a current production reference is an hour the cold chain is compromised [NEED_CITE: cold chain compliance requirements for refrigerated transport auxiliary power]. I have dispatched pumps at odd hours because the alternative — a rejected load at the receiving dock — costs far more than expedited freight. The 12V Fuel Pump 42-989 in stock fast shipping replacement you need is identified not just by number but by the specific APU generation it serves.

Part numbers on Thermo King nameplates fade, get painted over, or reference superseded series. A single base number can map to several production variants depending on the Tri-Pac build date. Confirming fitment before the package leaves is what separates a same-day fix from a return-and-reship cycle that adds days to the downtime.

12V Fuel Pump 42-989 replacement for Thermo King Tripac APU fuel system

Stock Verification and Part Number Confirmation

Our Guangzhou warehouse maintains inventory depth on fast-failure APU components so that a 12V Fuel Pump 42-989 in stock fast shipping replacement is not a promise but a current reality. When you send a photograph of the pump label, the APU data plate, or even just the machine model, our team cross-checks the reference number against known supersessions — including 42-1762 and related variants — and replies with a confirmed match or the correct alternative.

This process typically completes within two hours during business windows and prevents the most common cause of delayed repairs: receiving a pump that physically fits the mounting but delivers the wrong pressure or flow rate for that specific Tri-Pac configuration.

Arrival Timing and Freight Options

Dispatch speed means nothing if the freight method does not match the urgency. For a downed APU with perishable cargo onboard, express courier delivers the 12V Fuel Pump 42-989 in stock fast shipping replacement in a matter of days to most international destinations [NEED_CITE: international express courier transit standards for automotive parts]. Air freight serves workshops restocking before the next scheduled service window. Sea freight is available for planned inventory builds where the unit is still operational.

Each option is quoted with realistic arrival windows at the point of inquiry, not buried in checkout. Packaging is sized for courier handling without dimensional weight penalties, and tracking numbers are issued the moment the parcel is scanned at origin.

Pressure, Flow, and Diaphragm Integrity

The 3.5 bar output pressure and 1.8 L/min flow rate align with the fuel delivery requirements of Thermo King APU diesel burners, ensuring stable combustion across the operating range from cold start to sustained load. The NBR diaphragm at Shore A 70 hardness balances flexibility for pulsation at low ambient temperatures with resistance to diesel fuel swelling over extended service intervals.

Reinforced polymer composite housing reduces weight compared to metal-bodied equivalents while maintaining dimensional stability across the -20°C to +60°C operating envelope. Gold-plated brass electrical contacts resist corrosion in the high-vibration, moisture-exposed environment typical of under-chassis APU installations, where oxidation on standard contacts is a frequent cause of intermittent operation.

Fuel pump diaphragm and electrical connector detail for Tripac APU

The Cost of Misidentification

Sending the wrong pump variant to a job site does not just waste freight — it extends machine downtime by the full return-and-reship cycle. A pump with incorrect port orientation or mismatched connector pinout may appear to fit but will not function, leaving the APU inoperative and the reefer cargo warming [NEED_CITE: auxiliary power unit fuel system fault diagnosis procedures]. Shops that skip the photo confirmation step often discover the error only after the technician has already drained the fuel line and removed the old unit, adding labor hours to the delay.

Why Source This Pump Through XUNPO

Guangzhou warehouse stock means common APU fuel pump references ship without a procurement lead time. One-piece minimum order eliminates the barrier for a single emergency repair — there is no need to bundle quantities you do not need to meet a threshold. Part identification from a worn nameplate photograph, machine model, or serial prefix removes the guesswork when the original label is illegible.

Cross-reference verification covers superseded numbers such as 42-1762 and related alternates, catching mismatches before dispatch. A six-month manufacturing defect warranty with prepaid return label protects the transaction. Technical support is available to confirm compatibility and operating grade before you commit to the order.

Documentation & Verification

  • Commercial invoice and packing list with HS code for customs clearance
  • Cross-reference sheet mapping 42-989 to all known alternate numbers (reference only)
  • Dimensional and pressure test record for each dispatched unit
  • Warranty terms covering manufacturing defects for six months from delivery
  • Packing photographs confirming condition before the parcel is sealed
  • Export documentation support including origin certificates where required

Stock, Shipping & Arrival

  • Ready stock in Guangzhou warehouse enables same-day dispatch on confirmed orders
  • Express courier option delivers within days for emergency APU repairs
  • Single-unit packaging designed for standard courier dimensions without oversize surcharges
  • Real-time tracking number issued at the point of dispatch for full transit visibility
  • Air and sea freight alternatives quoted for planned restocking programs

How to Get a Confirmed Quote

Send the pump part number, the Thermo King APU model, or a clear photograph of the equipment nameplate. Our team will verify stock availability, confirm the correct cross-reference for your specific Tri-Pac generation, and provide freight options with arrival timing — all before you place an order.

Frequently Asked Questions

Q: Is this fuel pump currently in stock and when can it ship? A: Our Guangzhou warehouse carries inventory of this 12V fuel pump for Thermo King Tripac APU applications. Once we verify fitment against your machine model or nameplate photo, confirmed orders can dispatch the same day. We provide tracking immediately upon shipment so you know exactly when to expect delivery.

Q: Can I order just one piece for an urgent repair? A: Yes. The minimum order quantity is one piece. Emergency repairs on refrigerated fleet units do not wait for bulk thresholds. Order the single pump you need, and it ships without requiring additional items or quantities to qualify for dispatch.

Q: How do I confirm fitment if my nameplate is worn or painted over? A: Send a photograph of whatever identification remains — even a partial number, the APU model designation, or the serial prefix. Our team cross-references against known superseded numbers and variant differences to confirm the correct pump before anything ships, preventing misfit deliveries.

Q: What happens if the part arrives and does not fit my Tripac unit? A: The six-month warranty covers manufacturing defects, and our pre-shipment verification process is designed to prevent fitment errors. If a mismatch occurs despite confirmation, contact us immediately with installation photographs and we will resolve the situation with a replacement or return at no additional freight cost to you.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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