Stens

Stens GX390 Carburetor Service Kit 785-673

$175.00

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OVERVIEW & BENEFITS

The Stens 785-673 Carburetor Service Kit is a high-quality aftermarket replacement kit designed specifically for Honda GX390 engines. This kit includes the essential components needed to restore proper carburetor function, improve fuel flow, eliminate vacuum leaks, and ensure smooth engine operation. Perfect for pressure washers, generators, compressors, and industrial equipment powered by the widely used GX390 platform.

Key Features & Details

Engineered for Honda GX390 – Direct-fit aftermarket service kit providing OEM-level performance.
Restores Carburetor Efficiency – Replaces worn-out components that cause poor idle, hard starting, and fuel delivery issues.
Fuel-Resistant, High-Quality Materials – Designed for durability under gasoline and ethanol-blended fuels.
Comprehensive Service Kit – Includes gaskets, seals, and essential carburetor components (contents vary by production batch).
Ideal for Professional Maintenance – Perfect for contractors and technicians servicing GX390-powered equipment.
Improves Engine Performance – Helps restore strong starting, smooth throttle response, and consistent operation.

Specifications

Manufacturer: Stens
Part Number: 785-673
Product Type: Carburetor Service Kit
Compatible Engine: Honda GX390
Included Components: Gaskets, seals, and service components (may vary slightly by batch)
Applications: Pressure washers, generators, industrial machinery, small engines using GX390

Stens Carburetor Service Kit GX390

Cat. Page	64
Description	Stens Carburetor Service Kit Honda GX390
Replaces OEM	Honda16100-ZF6-V01
Fits Models	HondaMost GX390 engines
Specs	Verify OEM part number by referring to engine model and spec - does not fit all applicationsEthanolNot compatible with greater than 10% ethanol fuelPackaging typeBranded box
Additional Info	Cross Sell785-673 Includes 100-012 Air Filter ComboCross Sell785-673 Includes 115-303 Fuel LineCross Sell785-673 Includes 120-327 Fuel Joint AssemblyCross Sell785-673 Includes 130-823-4 Spark PlugCross Sell785-673 Includes 485-173 Carburetor GasketCross Sell785-673 Includes 485-189 Carburetor Spacer GasketCross Sell785-673 Includes 485-403 Insulator GasketCross Sell785-673 Includes 520-738 CarburetorCross Sell785-673 Use with 770-742 3-in-1 Advanced Fuel TreatmentCross Sell785-673 Use with 770-750 3-in-1 Advanced Fuel TreatmentCross Sell785-673 Use with 770-752 3-in-1 Advanced Fuel Treatment

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Is this product ready to use out of the box?

Setup requirements vary by product. Review the product description and included-items section, or contact our team before ordering for configuration details.

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Financing options may be available for qualified buyers. Use the financing link on this page to review current options.

What warranty applies?

Warranty coverage varies by manufacturer and product. Review the product details or contact support for the coverage associated with this item.

Do you offer product support?

Yes. Contact the Cigar City Softwash team for product-selection, setup, parts, and troubleshooting guidance.

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