What is the lead time for production?

Lead time varies by season: within 15 workdays during off-season, and 1-3 months during peak season.

What is the function of the water blocking plug?

It seals the engine body and cooling system to prevent leaks, dissipates heat, and protects against freezing cracks by releasing pressure.

What is the installation type for this plug?

It uses a hard seal installation with an external thread type.

Automobile Engine Accessories Engine Cylinder Head Water Blocking Anti-Swelling Water Blocking Water Shaped Plug

Name: Automobile Engine Accessories Engine Cylinder Head Water Blocking Anti-Swelling Water Blocking Water Shaped Plug
Brand: Zhuji Qide Machinery Co., Ltd.
SKU: 1964056631

Zhejiang, ChinaZhuji Qide Machinery Co., Ltd.

US$0.50

1,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Certification

GS, RoHS, CE, ISO9001

Pressure

High Pressure

Model NO.

20mm

Work Temperature

High Temperature

Thread Type

External Thread

Installation

Hard Seal

Material

Brass

Type

Block The Hat

Neither Customization

Customizable

Transport Package

Carton

Specification

10mm-75mm

Trademark

jingjinji

Origin

Zhejiang, China

HS Code

73071900

Production Capacity

100000000m/Year

Key features

Multi-Certification Compliance: Certified with GS, RoHS, CE, and ISO9001 standards for quality assurance.

High Pressure & Temp Resistance: Designed for high pressure and high temperature engine cooling environments.

Brass Material Construction: Made from durable brass with external thread and hard seal installation.

Anti-Swelling Protection: Prevents cylinder head rupture by releasing pressure when coolant freezes.

Effective Heat Dissipation: Transfers engine heat to cooling medium via conduction and convection.

Easy Maintenance Access: Allows easy cleaning of cooling chambers by loosening the water plug.

OEM/ODM Customization: Supports full customization from samples, designs, and minor adjustments.

Wide Size Range: Available in various outer diameters from 8mm to 75mm with specific heights.

Company profile

Management CertificationImporters and ExportersR&D CapabilitiesQuality Assurance

Zhuji Qide Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with broad customization, ODM, OEM, and inventory capabilities. It has machining and grinding equipment, documented finished-product inspection instructions, quality assurance, and a stated peak-season order fulfillment time within 15 workdays. However, it lacks 3D software design, SDK availability, overseas warehouses, overseas agents or branches, overseas showrooms, and participation in offline trade shows. No factory environmental impact assessment report or written corrective and preventive action procedures were reported. Financial information is limited to the years represented by 2021–2023 and does not provide sufficient evidence for a full credibility assessment. The supplier has OEM experience with well-known brands but no Fortune 500 collaboration was reported.

Supplier typeThe supplier explicitly identifies as a professional technical supplier, provides ODM services, and has OEM capability for popular brands. This supports classification as a technical manufacturing and design-oriented supplier rather than a purely trading company.

After-Sales capabilityThe supplier has a clear procedure and followed records for handling customer complaints, indicating an established complaint-response process. However, it reports no written procedures or records for corrective and preventive actions, leaving part of its after-sales improvement system incomplete.

Production capacityThe supplier reports in-stock capability, machining-center, grinder, and NC lathe facilities, standardized finished-product inspection instructions, and peak-season fulfillment within 15 workdays. Nevertheless, there is no valid manufacturing-capacity contract with the factory and related subcontractors, so production-capacity governance has a stated weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These repeated capabilities provide clear evidence of broad customization support.

Client casesThe supplier reports OEM service for popular brands, which is direct evidence of branded-customer experience. However, it reports no cooperation with Fortune 500 companies, and no named customer cases are provided, so the scale and verifiability of its customer portfolio remain limited.

Product Q&A

Q:What materials are used for the water blocking plug?

The plugs are primarily made of brass, though other metals like copper, steel, or aluminum are also common for bowl-shaped plugs.

Q:What certifications does this product have?

The product is certified with GS, RoHS, CE, and ISO9001 standards.

Q:Can this product be customized?

Yes, we offer OEM and ODM services including customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is the minimum order quantity?

The minimum order quantity is 10 pieces.

Q:What are the payment terms?

We accept D/P, PayPal, Small-amount payment, Western Union, LC, and T/T.