NO NAME CN0017727858

PUMP ASSY WATER

RANK E factory Factory / Manufacturer location_on Fujian, China

sell Unit price

$7.17 / pcs

bolt MOQ

50 pcs.

schedule Lead time

40-45 days

package_2 Sold

Overview & Operating Principle

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The water pump is a critical component of the engine cooling system, responsible for circulating coolant throughout the engine block, cylinder heads, radiator, and heater core. This Nissan/Infiniti water pump kit (B1010JK00C) is a chain-driven design specifically engineered for VQ35DE and VQ40DE V6 engines.

Unlike belt-driven water pumps, this unit is driven by the engine’s timing chain, which means it operates inside the front timing cover and is lubricated by engine oil. The pump features a metal impeller that creates centrifugal force to push coolant through the cooling passages. As the timing chain rotates the pump shaft, the impeller blades generate pressure that circulates coolant from the engine block through the thermostat housing and into the radiator for heat dissipation.

The pump integrates with the engine’s cooling circuit and works in coordination with the thermostat, radiator, and ECU-controlled cooling fans to maintain optimal operating temperature. When the water pump fails, coolant circulation stops, causing rapid engine overheating and potential catastrophic damage including warped cylinder heads, blown head gaskets, or complete engine seizure.

This replacement kit includes the complete water pump assembly with O-ring gaskets for the engine block and backplate mounting surfaces, ensuring a leak-free installation.

Symptoms & Diagnostics

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Common Failure Symptoms

Engine Overheating: Temperature gauge reading higher than normal or entering red zone, especially during highway driving or extended idling. Coolant temperature sensor may trigger warning lights.

Coolant Leaks: Visible coolant seepage from the front timing cover area or puddles under the vehicle after parking. Internal leaks may contaminate engine oil, causing a milky appearance on the dipstick.

Whining or Grinding Noise: High-pitched whining, squealing, or grinding sounds from the front of the engine that increase with RPM, indicating bearing failure or impeller contact with housing.

Steam from Hood: Visible steam or coolant vapor escaping from under the hood when engine is running or immediately after shutdown, indicating severe overheating or coolant boiling.

Heater Performance Issues: Weak or no heat from cabin heater despite engine reaching operating temperature, caused by insufficient coolant circulation through heater core.

Coolant Consumption: Frequent need to top off coolant reservoir without visible external leaks, suggesting internal leakage past worn pump seals.

Diagnostic Trouble Codes

P0128

Coolant Thermostat Temperature Below Regulating Temperature — May indicate insufficient coolant flow from failed pump

P0217

Engine Coolant Over Temperature Condition — ECU detected coolant temperature exceeding safe limits

P0218

Transmission Fluid Over Temperature — May occur with engine overheating as transmission cooler is ineffective

P0597

Thermostat Heater Control Circuit Open — Can be triggered by coolant flow issues affecting electronic thermostat operation

P11AC

Engine Coolant Over Temperature — Nissan-specific code indicating severe overheating condition

P1217

Engine Over Temperature Condition — Alternative code for coolant temperature exceeding safe operating range

Note: These codes may appear individually or in combination. Always verify mechanical condition before replacing sensors. A failed water pump often presents with overheating symptoms before generating diagnostic codes.

Logistics & Customs Information

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Parameter	Value
Net Weight	0.75 kg
Country of Origin	China
Brand Compatibility	Nissan / Infiniti OEM Replacement
HS Code (International)	8413.30.90 — Fuel, lubricating or cooling medium pumps for internal combustion piston engines
EAEU Customs Code	8413 30 900 0 — Other pumps for liquids

This classification applies to automotive cooling system pumps exported from China. Importers should verify current tariff rates and regulations in their destination country. Product meets OEM specifications for direct replacement applications.

Vehicle Compatibility

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The following vehicle applications are based on verified OEM cross-reference numbers. Compatibility covers V6 engines with VQ35DE and VQ40DE engine codes.

Brand	Model	Years	Engine	Key OEM Ref.
Nissan	350Z	2003–2006	3.5L V6 VQ35DE	21010AL527
Nissan	370Z	2009–2013	3.7L V6 VQ37VHR	210107Y025
Nissan	Altima	2002–2006	3.5L V6 VQ35DE	21010AL527
Nissan	Frontier	2005–2019	4.0L V6 VQ40DE	B1010JK00C
Nissan	GT-R	2009–2014	3.8L V6 VR38DETT	210107Y025
Nissan	Maxima	2002–2008	3.5L V6 VQ35DE	21010AL527
Nissan	Murano	2003–2007	3.5L V6 VQ35DE	21010AL527
Nissan	NV1500	2012–2020	4.0L V6 VQ40DE	B1010JK00C
Nissan	NV2500	2012–2020	4.0L V6 VQ40DE	B1010JK00C
Nissan	NV3500	2012–2020	4.0L V6 VQ40DE	B1010JK00C
Nissan	Pathfinder	2005–2012	4.0L V6 VQ40DE	B1010JK00C
Nissan	Quest	2004–2009	3.5L V6 VQ35DE	21010AL527
Nissan	Xterra	2005–2015	4.0L V6 VQ40DE	B1010JK00C
Infiniti	EX35	2008–2012	3.5L V6 VQ35HR	210107Y025
Infiniti	FX35	2003–2013	3.5L V6 VQ35DE/VQ35HR	21010AL527
Infiniti	FX37	2013	3.7L V6 VQ37VHR	B1010JK00C
Infiniti	G25	2011–2012	2.5L V6	B1010JK00C
Infiniti	G35	2003–2008	3.5L V6 VQ35DE/VQ35HR	21010AL527
Infiniti	G37	2008–2013	3.7L V6 VQ37VHR	210107Y025
Infiniti	I35	2002–2004	3.5L V6 VQ35DE	21010AL527
Infiniti	JX35	2013	3.5L V6	B1010JK00C
Infiniti	M35	2006–2010	3.5L V6 VQ35DE/VQ35HR	21010AL527
Infiniti	M35H	2012–2013	3.5L V6 Hybrid VQ37VHR	210107Y025
Infiniti	M37	2011–2013	3.7L V6 VQ37VHR	210107Y025
Infiniti	QX60	2014–2016	3.5L V6	B1010JK00C
Miles	Aftermarket	Universal	Compatible Engines	AN21375

Important: Based on OEM cross-reference numbers listed on this page. Always verify part number compatibility against your vehicle’s VIN and original equipment before ordering. Some model years may have engine variants or regional differences not covered in this general fitment guide.

Installation Tips & Specifications

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Difficulty Level: Advanced — Requires timing chain removal and precise reassembly. Book time: 2.5–3.5 hours depending on engine layout and accessibility.

Required Tools & Materials

Socket set (10mm, 12mm, 14mm)
Torque wrench (5–100 ft-lbs range)
Timing chain holding tools or camshaft locking pins
Clean shop towels and parts cleaner
New coolant (Nissan-spec or compatible long-life coolant)
O-ring gaskets (included in kit)
Thread locker (medium strength)

Step-by-Step Installation Procedure

1. Preparation & Safety: Disconnect negative battery terminal and allow engine to cool completely. Drain cooling system by opening radiator petcock and removing lower hose. Place drain pan to catch approximately 2.5–3 gallons of coolant. Relieve fuel system pressure if working on direct-injection engines.

2. Remove Front Engine Components: Remove engine splash shield, drive belts, cooling fan assembly, and radiator if necessary for access. Disconnect upper radiator hose and remove air intake system. Label and disconnect any electrical connectors or vacuum lines blocking access to timing cover.

3. Remove Timing Cover: Remove crankshaft pulley using appropriate puller tool. Remove all timing cover bolts (typically 14–18 bolts of varying lengths — keep organized). Carefully separate timing cover from engine block. Clean all gasket surfaces thoroughly with non-abrasive cleaner.

4. Access Water Pump: With timing cover removed, water pump is now accessible. Note timing chain position and mark timing alignment before proceeding. Remove water pump mounting bolts (typically 6–8 bolts). Torque specification for water pump bolts: 12–15 ft-lbs (16–20 Nm) in star pattern.

5. Install New Pump: Clean water pump mounting surface on engine block. Install new O-ring gaskets (do not reuse old gaskets). Apply thin film of coolant to O-rings for easier installation. Position new water pump and hand-start all bolts. Torque bolts in star pattern to specification: 12–15 ft-lbs. Verify pump rotates freely without binding.

6. Reassemble Timing System: Install new timing cover gasket. Apply thin bead of silicone sealant to corners where cover meets engine block. Reinstall timing cover and torque bolts to specification (typically 8–10 ft-lbs for small bolts, 12–15 ft-lbs for larger bolts). Verify timing marks remain aligned throughout reassembly.

7. Reinstall External Components: Install crankshaft pulley and torque to specification (typically 105–112 ft-lbs). Reconnect all hoses, belts, and electrical connectors. Double-check all fasteners are tight and no tools remain in engine compartment.

8. Refill Coolant & Test: Refill cooling system with manufacturer-specified coolant mixture (typically 50/50 Nissan Long Life or compatible). Run engine with radiator cap off until thermostat opens. Check for leaks around timing cover and pump area. Top off coolant and install cap. Test drive vehicle and monitor temperature gauge. Recheck coolant level after cool-down.

Critical Reminders

Do not reuse O-ring gaskets — always install new seals provided in kit
Timing alignment is critical — verify marks before and after reassembly
Torque sequence matters — use star pattern to prevent warping
Clear diagnostic codes after installation if any overheating codes were present
Inspect timing chain tensioners and guides while cover is off — replace if worn
Use only Nissan-approved coolant or compatible Asian-vehicle long-life formula

Frequently Asked Questions

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Q1: Is this water pump compatible with both gasoline and diesel engines?

This water pump is designed specifically for Nissan and Infiniti gasoline V6 engines (VQ35DE, VQ40DE, VQ35HR, VQ37VHR series). These vehicles do not have diesel variants in North American or most Asian markets. The pump is engineered for gasoline engine cooling requirements and flow rates. Always verify engine code compatibility before ordering.

Q2: Will I need ECU reprogramming or calibration after installing this water pump?

No ECU reprogramming is required for water pump replacement. However, you should clear any diagnostic trouble codes (P0128, P0217, etc.) that were triggered by the failed pump using an OBD-II scanner. The ECU will automatically relearn normal operating parameters once proper coolant circulation is restored. If overheating was severe, inspect for additional damage to sensors or thermostat.

Q3: How does this aftermarket pump compare to genuine Nissan/Infiniti OEM parts?

This pump is manufactured to OEM specifications with equivalent materials and performance characteristics. It features a metal impeller (not plastic), precision-machined housing, and high-quality bearings comparable to genuine Nissan parts. The included O-ring gaskets meet OEM dimensional tolerances. Major advantages include lower cost and availability, while maintaining the same fit, form, and function as original equipment. Many professional installers use quality aftermarket pumps for fleet maintenance due to cost-effectiveness and reliability.

Q4: What should I do if the new water pump doesn’t resolve my overheating issue?

If overheating persists after water pump replacement, check these common causes: (1) Trapped air in cooling system — perform proper bleeding procedure; (2) Faulty thermostat — replace if stuck closed; (3) Clogged radiator — flush or replace if coolant flow is restricted; (4) Failed radiator cap — verify proper pressure rating; (5) Head gasket failure — check for combustion gases in coolant using block tester; (6) Cooling fan issues — verify fans engage at proper temperature. A complete cooling system diagnosis is recommended if pump replacement alone doesn’t solve the problem.

Q5: Can you provide white-label or custom packaging for bulk orders?

Yes, we offer white-label and custom packaging options for wholesale buyers and distributors. Minimum order quantities apply (typically 100–500 units depending on customization level). Custom packaging can include your brand name, logo, part numbers, and installation instructions. Private labeling options include custom boxes, labels, and marketing materials. Contact our B2B sales team for detailed pricing, MOQ requirements, production timelines, and packaging design specifications. Lead times for custom orders are typically 45–60 days.

Frequently Replaced Together

When replacing the water pump during timing cover service, consider replacing these related components to maximize reliability and minimize future labor costs:

Component	Reason for Replacement
Timing Chain Kit	Chain stretch and wear occur over time. Since timing cover is already removed for water pump access, replacing the timing chain, tensioners, and guides prevents future catastrophic timing failure. Recommended at 80,000–120,000 miles or if chain noise present.
Thermostat & Housing	Thermostats fail from coolant contamination and thermal cycling. A stuck-closed thermostat causes overheating similar to pump failure. Replace as preventive maintenance, especially if original unit has 100,000+ miles or shows corrosion buildup.
Radiator Hoses	Upper and lower radiator hoses deteriorate from heat and pressure cycles. Hoses become brittle, develop cracks, or experience internal collapse that restricts coolant flow. Replace if hoses are 5+ years old or show surface cracking.
Coolant Temperature Sensor	Sensors provide critical data to ECU for cooling fan control and fuel mixture. Sensor failure or drift causes inaccurate temperature readings, potentially masking overheating. Replace if readings are erratic or if overheating damaged sensor.
Engine Oil & Filter	If water pump failure caused coolant contamination into engine oil (visible as milky residue), perform immediate oil change with quality filter. Coolant in oil destroys lubrication properties and causes accelerated engine wear. Flush if contamination is severe.

Pro Tip: Bundling these components reduces overall labor costs since the engine is already partially disassembled. Most professional mechanics recommend a comprehensive cooling system and timing chain service when mileage exceeds 100,000 miles or if the vehicle has experienced overheating events.

directions_car Vehicle fitment

modifications

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directions_car Application (cross references)

Brand	OEM
NISSAN/INFINITI	B1010JK00C	View offers
NISSAN/INFINITI	210107Y025	View offers
MILES	AN21375	View offers
MILES	AN21375PRO	View offers
NISSAN/INFINITI	21010AL527	View offers

reviews Buyer reviews

5.0

★★★★★

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analytics ok.parts verified data

510

Total items bought

2017

On platform since

<0.1%

Defect rate

bar_chart Orders fulfilled per year

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Why Rank E. This supplier reached this rank through real purchase volume sourced via ok.parts. Ranks above C come only from verified purchases — they can not be bought or self-reported.

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TypeFactory / Manufacturer

CountryChina

City / regionFujian

LanguagesCHINESE

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BRACKET PUMP ASSY WATER

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