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Briggs 390930 393957 271794s John Dee Pre-Filter & Air Filter
US$2.99
999-1,998 Pieces
US$2.59
1,999+ Pieces
Sample price:US$9.00/piece.Request sample
Product profile
Customization
AvailableCertification
RoHS, CE, ISO, CCCPower Source
GasolineModel NO.
Briggs Stratton 390930 393957 John Dee PT9334Type
Air Filter AssemblyMaterial
PaperApplication
IndustryPre Filter and Air Filter
Briggs & Stratton 390930 393957Transport Package
White BoxSpecification
ROHSTrademark
ATCOrigin
Ningbo ChinaProduction Capacity
80000Key features
Dual Filtration System: Pre-filter catches large particles to reduce load on the main air filter, ensuring clean air intake.
Engine Longevity: Enhances engine and equipment performance and extends service life through effective filtration.
Wide Compatibility: Fits Briggs & Stratton models 390930, 393957, 271794S and John Deere models PT9334, LG393957.
Paper Air Filter: High-quality paper material air filter assembly designed for gasoline-powered equipment.
Foam Pre-Filter: Includes foam pre-filter compatible with Briggs & Stratton models 170400 through 326400.
Certified Quality: Products certified with RoHS, CE, ISO, and CCC standards for safety and reliability.
Manufacturer Direct: Sourced from Ningbo Eastar Electromechanical, a manufacturer with over 15 years export experience.
Complete Assembly: Includes both air filter and pre-filter components for a complete filtration solution.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2004-10-01Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤6.86hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others
AI-Powered supplier vetting
SummaryNingbo Eastar Electromechanical Industrial Trading Co., Ltd. is a China-based limited company in Ningbo, Zhejiang, identified as both a trading company and manufacturer/factory. Its stated product scope covers chainsaw, brush cutter, lawn mower, agricultural machinery parts, carburetors, and related equipment. The supplier reports ISO 9000, ISO 14000, and ISO 14001 certifications, five production lines, six to ten quality-control staff, and OEM/ODM availability. Reported production capacities include substantial volumes for belts, spindles, starter motors, filters, and PTO clutches. It has exported since 2004 and serves multiple global regions, with Ningbo and Shanghai listed as nearby ports and a one-month off-peak lead time. However, the provided information gives limited evidence regarding after-sales services, financial credibility, R&D strength, and established customer cases. Trade records shown for 2025 contain only one transaction for each of three listed products and one associated buyer.
Supplier typeThe supplier is described as a trading company in its company information and as both a Trading Company and Manufacturer/Factory in its business-entity classification. This indicates a mixed trading and manufacturing model rather than a purely factory-based profile.
CertificationsThe supplier reports ISO 9000, ISO 14000, and ISO 14001 management-system certifications. These stated certifications provide explicit evidence of formal quality and environmental management systems.
Production capacityThe supplier reports five production lines, six to ten quality-control staff, and defined output capacities for filters, PTO clutches, starter motors, spindles, and V-belts. It also reports a one-month off-peak lead time, providing explicit evidence of established production capability for these product categories.
Customization capabilityThe company explicitly states that OEM and ODM services are available. This directly supports customization capability, although the slices do not describe tooling, minimum order quantities, development procedures, or customization scope.
Product Q&A
Q:Which engine models are compatible with this filter?
A:
Fits Briggs & Stratton 390930, 393957, 393957S, 271794S and John Deere PT9334, LG393957, LG393957S.
Q:What are the dimensions of the pre-filter?
A:
The pre-filter dimensions are 4-1/4 inch Outer Diameter, 2 inch Inner Diameter, and 3-13/16 inch Height.
Q:What materials are used in this filter assembly?
A:
The air filter is made of paper, and the pre-filter is made of foam for effective particle capture.
Q:How does the pre-filter improve engine performance?
A:
The pre-filter catches larger particles first, reducing the load on the air filter and ensuring cleaner air intake.
Q:What certifications does this product have?
A:
The product is certified with RoHS, CE, ISO, and CCC standards.
Send Inquiry
*To:
Ningbo Eastar Electromechanical Industrial Trading Co., Ltd.
Ningbo Eastar Electromechanical Industrial Trading Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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