TOP 12 Auto Water Pump Manufacturers in China

1. Introduction

If you’re sourcing from China auto water pump makers, this guide is for you. Below you’ll find 12 vetted Auto Water Pump Manufacturers (mechanical and electric) with quick profiles and proof points you can click to verify. Each listing highlights product focus, quality signals (e.g., IATF 16949), and what type of buyer they’re a fit for (OE, Tier-1, aftermarket, private label).

Methodology (how we chose): we prioritized manufacturers that (1) publicly show a water-pump product line or large catalog; (2) disclose quality systems or lab/testing capability; and (3) demonstrate scale or export reach on a primary site or credible directory. Where only marketplace listings exist, we flag that so you can double-check during RFQ.

2. Importance of an Auto Water Pump

A water pump is the heart of the cooling circuit. In combustion and hybrid vehicles, a centrifugal pump moves coolant through the block, heads, radiator, and heater core, keeping temperatures in the sweet spot. Electric pumps decouple flow from engine RPM, enabling smarter thermal control and even after-run cooling.

2.1 Maintains Optimal Engine Operating Temperature

Keeping coolant in the optimal range prevents knock, oil breakdown, and warped heads. Modern electric water pump manufacturer offerings (e.g., Bosch PCE 2.0) specify operating ranges up to 125 °C, IPX7 ingress protection, PWM control, and published flow/pressure curves—useful benchmarks when you compare suppliers.

2.2 Ensures Continuous Coolant Circulation

Mechanical pumps rise and fall with RPM; electric pumps deliver demand-based flow and can circulate at idle or after shutdown (hot-soak protection). Check for PWM/LIN control and diagnostic capability in spec sheets when shortlisting auto water pumps supplier options.

2.3 Protects Engine Performance and Extends Longevity

Seal, bearing, and housing choices (SiC/graphite mechanical seal, sealed grease bearings, aluminum die-cast housings) plus robust end-of-line testing (100% leak test, endurance, thermal shock, vibration, salt spray) are the difference between repeat business and returns. Reputable brands publish part of this data.

2.4 Enhances Vehicle Safety and Reliability

Poor cooling triggers derates or limp modes. A well-sized pump, verified on a flow-head curve and validated for the right IP/NVH/temperature window, supports safe operation across duty cycles and climates. (Tip: avoid generic claims; ask for performance curves and test summaries.)

3. The Best 12 Automotive Water Pump Manufacturers in China

3.1 KOME AUTO PARTS (Wenzhou KOME)

Focus: Passenger-car auto water pump (large aftermarket catalog)
Signals: 400–500+ references claimed across sites; export-oriented; in-house manufacturing positioning.
Evidence: Official sites show “professional manufacturer of auto water pump” with 400+ types. 
Good for: Distributors seeking broad coverage and private label.

3.2 Dongfeng Automobile Parts Co., Ltd. (aka Dongfeng Motor Parts & Components Group)

Focus: Large OEM parts group; cooling-system categories present in public catalogs; confirm pump SKUs per platform.
Signals: Group covers multiple systems and components; TS/IATF certifications noted in corporate profiles.
Evidence: Group overview; directory listings with cooling-system categories.
Good for: OEM/Tier buyers already in the Dongfeng ecosystem; confirm auto water pumps supplier scope via formal RFQ.

3.3 Anhui Weiling Auto Parts Co., Ltd. (Hefei)

Focus: Electric water pump manufacturer (automotive electronics), motors, controllers.
Signals: IATF 16949 referenced; automated lines; ~22,000 m² site; positioned under a major electrical group lineage.
Evidence: Supplier profile (IATF and e-pump line) and market list mention.
Good for: NEV/auxiliary pump projects needing PWM/LIN and controller integration.

3.4 Wanxiang Group

Focus: Mega-conglomerate in driveline/bearings; relevant to pumps via water-pump bearings and components.
Signals: Group scale and component breadth; pump bearings visible in product scope.
Evidence: Group site; product scope, including water pump bearing via manufacturer profile.
Good for: Tier-1s needing best auto water pump brand level component supply (bearings) or JV/component sourcing.

3.5 GDST Auto Parts

Focus: Aftermarket China auto water pump supplier; broad cross-reference for global models.
Signals: Large SKU matrix on marketplaces; dedicated water-pump landing page.
Evidence: Water-pump product page; Made-in-China listings across multiple OEM refs. (Note: confirm corporate site; one GDST domain points to hydraulics.) 
Good for: Price-competitive AM programs; be diligent on PPAP/traceability.

3.6 JINGYUAN Auto Parts (Ruian)

Focus: Water pumps and oil pumps for passenger and commercial applications.
Signals: Claims long running export and high output; dedicated auto water pump site.
Evidence: Company profile stating water-pump production and export; manufacturing site. (Verify stated monthly volume during audit.)
Good for: AM distributors with steady demand; request test reports and warranty policy upfront.

3.7 Jianke Electronics (Changsha/Shenzhen)

Focus: Electric water pump and controllers; broader automotive electronics (sensors, ignition modules).
Signals: IATF/ISO mentions; electronic water-pump SKUs and controller development; dual bases in Changsha & Shenzhen.
Evidence: Official site and Alibaba factory pages referencing electronic water pump and controller projects.
Good for: NEV auxiliary pumps, integration with thermal controllers, custom electronics.

3.8 Longji Machinery (Longkou Longji “Three Pumps”)

Focus: Automotive water pump, air pump, oil pump (the classic “three pumps”).
Signals: Cited capacity ~600k water pumps/year; long-term OE support history with major Chinese engine/OEMs.
Evidence: Longji Group page with “three pumps” capacity and OE customer list. 
Good for: OE/Tier programs needing established machining and validation for auto water pump manufacturers in China.

3.9 FAWER Automotive Parts Co., Ltd. (FAW Group)

Focus: Pump division with decades of water/oil/air pump production; multi-plant footprint (incl. overseas).
Signals: Large capacity and certifications (IATF/ISO lines referenced); global customer base and in-house testing.
Evidence: Group site; pump division profile; FAWER Mexico describing pump expertise & certifications. 
Good for: Platform supply with PPAP/IMDS requirements; multi-region production strategies.

3.10 Shanghai Wuba Auto Parts Co., Ltd.

Focus: Cooling-system parts (radiators, intercoolers, tanks); young auto parts supplier with factory links.
Signals: Cooling catalog online; global sales channels via marketplaces.
Evidence: Company pages showing cooling products and factory profile. (Pump line not clearly listed—confirm during RFQ.)
Good for: Cooling modules and accessories; verify if water-pump assemblies are available.

3.11 Feilong Auto Components Co., Ltd. (Henan)

Focus: One of the best auto water pump brand names in China’s OE/AM landscape; also electronic pumps and manifolds.
Signals: Feilong states ~25% domestic market share for auto water pumps; broad pump portfolio, including electronic series.
Evidence: Official English site declaring market share and electronic pump power classes; third-party profiles. 
Good for: High-volume programs with long model coverage and strong documentation needs.

3.12 Hitachi Automotive Systems Products Ltd. (Hitachi Astemo, China presence)

Focus: Global water pump lines (OE/aftermarket); cast-aluminum housings, engineered impellers, high thermal efficiency.
Signals: Astemo aftermarket and product literature detail pump design features; company operates in China and globally.
Evidence: Astemo water-pump pages and product PDFs; China corporate portal.
Good for: Buyers seeking Japanese engineering pedigree and consistent global quality.

4. Factors to consider when choosing automotive water pump manufacturers

4.1 Quality and Reliability of Products

• Testing that matters: 100% leak test, endurance/hot-soak cycling, vibration (3-axis), thermal shock, and salt-spray. Ask for sample EOL parameters and acceptance criteria.

• Design details: Mechanical seal pair (SiC/graphite), sealed-grease bearings (coolant entering bearings = seal failure), balanced impeller, and robust housings (Al die-cast or reinforced polymer).

4.2 Technological Capability and Innovation

• Electric pumps: Require PWM/LIN control, diagnostics, and published curves. Bosch PCE 2.0 is a good benchmark: 12 V, IPX7, up to ~1200 L/h at ~0.65 bar, rated to 125 °C. If your shortlisted auto water pumps supplier can’t share comparable specs, proceed cautiously.

• System thinking: For HEV/BEV, map main and auxiliary loops (battery, inverter/e-axle, cabin PTC). Consider after-run cooling and packaging limits.

4.3 Cost and After-Sales Support

• Total cost > piece price: include warranty, RMA handling, freight, and safety-stock policy.

• AM kits: For timing-belt engines, many buyers prefer pump + belt + tensioner kits to cut comebacks.

• Spares & lead times: Clarify MOQ, tooling (if any), and lead-time bands for samples vs. mass production.

4.4 Compliance and Certifications

• Ask for IATF 16949 / ISO 9001 certificates, PPAP level, IMDS submissions (where applicable), RoHS/REACH compliance, and traceability (lot/coil to pump serial).

4.5 Delivery Reliability

• Validate capacity (lines, shifts), dual-sourcing risk, and forecast alignment. For global programs, multi-plant networks (e.g., FAWER CN/MX, global groups like Astemo) can de-risk logistics.

5. Conclusion

Looking for the best automotive water pump manufacturers in China? You’ll find everything from broad-range aftermarket suppliers like KOME, to OE-grade specialists such as FAWER, and innovative electric water pump makers like Jianke and Anhui Weiling.

Before placing your order, always check product performance curves, certifications, and testing data to ensure quality and reliability.

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