Welcome to Tianjin Stable Technology Co., Ltd. - One of the largest Suppliers & Manufacturers of Carburetors from China!

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 1

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 2

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 3

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 4

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 5

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 6

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 7

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor

This carburetor is exclusively designed for STIHL BR420 backpack blowers. Made with high quality materials and precise craftsmanship, it delivers stable fuel air mixing, consistent idle, and powerful airflow ideal for tough cleaning tasks. Meeting strict quality benchmarks, it matches the durability of premium brands at a competitive price. Perfect for wholesalers, repair shops, and users, it’s a reliable solution for worn carburetors. Feel free to inquire for more details!

Shipping:

Sea Transport、Air Transport、Air Express

Place of Origin:

Tianjin, China

Payments:

T/T、L/C

Brand:

Stable

Model NO.:

MP19A1

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Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor

Product Description

Custom-engineered for STIHL BR420 backpack blowers. Crafted from high-grade industrial materials via precision machining, it ensures accurate fuel-air ratio control, maintaining steady idle speeds and consistent powerful airflow—even during extended heavy-duty tasks like leaf clearing, debris removal, or construction site cleaning. Its seamless fit with the BR420 model enables quick, tool-free installation, while its robust build resists vibration and temperature shifts, guaranteeing reliable operation in diverse working conditions.

Built to strict export quality standards, every unit undergoes rigorous testing for durability, corrosion resistance, and performance consistency, meeting the same benchmarks as renowned global carburetor brands. We prioritize meticulous craftsmanship in every component, ensuring a long service life and minimal maintenance needs. Offered at a competitive price, it’s the ideal choice for wholesalers, repair shops, and blower users seeking cost-effectiveness without sacrificing quality. For detailed specifications, bulk pricing, or technical support, don’t hesitate to contact us.

Product Specifications

A 15 years professional diaphragm carburetor manufactory including reserch and development, production , sales, etc.

Hs code	8409919100
Specification	Suitable for Stihl BR420 Blower
Trademark	Stable
Main Product	Carburetors and Carburetor Parts
Customized Package	Yes
Warranty	6 Months
Mounting Holes Distance	31MM
Material	Aluminum Alloy
Origin	Tianjin, China
Transport Package	Carton + Plastic Pallet
MOQ	500PCS
Experience	More Than 15 Years Manufacturing Experience
Venturi Diameter	15.35MM

PRODUCT STRENGTH

Products Advantages

STABLE Technology Co., Ltd., as a leading carburetor manufacturer in China, has been engaged in the production of carburetors for more than 15 years. It has 10 carburetor assembly lines and can achieve an annual production capacity of 3 million carburetors. Our experienced technicians assemble each unit of the carburetor product: valve seat, gasket, O-ring, diaphragm and accelerator pump. Strictly implement the ISO9001 quality management system, rely on TS16949 management tools, use automation and digital management, strictly control the process quality, and ensure that the product quality qualification rate is 100%!

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 10

Upated O Ring

The air intake joint surface seal is simple and elegant, truly sealing, dustproof, easy to start, and effectively prolonging the engine life.

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 11

Fuel Saving

Professionally matched and optimally designed oil supply system saves more than 25% of oil compared with conventional products;

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 12

Easy Idle Setting Patent

The patented easy-to-adjust idle speed pin makes it easier for customers and users to adjust the engine while it is running.

High-Tech Enterprise

We have assembled a team of top - notch engineers and technicians who are constantly engaged in research and development.

WHY CHOOSE US?

Product Characteristics

Constructed from high - grade materials, this carburetor is built to last. It can withstand the rigors of regular use, vibrations, and exposure to the elements, ensuring long - term reliability. The user - friendly adjustable features make it easy for both professional landscapers and gardening enthusiasts to customize the settings according to their specific needs. With simple adjustments, you can improve engine starting, eliminate stalling issues, and achieve smoother operation throughout your trimming sessions.

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U.S.A. metre diaphragm and Original inlet-needel check valve

Same Pump diaphragm and gasket as Walbro's

Original Walbro's fule needels

Product Details

STABLE carburetors manufacturing company mainly produces diaphragm carburetors for gasoline engines such as chainsaws, brush cutters, hedge trimmers etc. Tianjin Stable Technology Co., Ltd. is a production-oriented enterprise specializing in the research, development, manufacturing and sales of diaphragm carburetors.

Carburetor for ST BR420 Backpack Blower Stihl BR420 Carburetor Replacement Blower Carb Carburetor 18

Same Pump diaphragm and gasket as Walbro's

Our pump diaphragm and gasket match Walbro's quality. Engineered for precise fit and performance, they offer reliable sealing and efficient fuel transfer, ensuring consistent operation for your equipment.

U.S.A. metre diaphragm

Our U.S.A. metre diaphragm is a precision - engineered component. Made from high - quality materials, it offers excellent durability and reliable performance. It ensures accurate measurement and stable operation in various applications, whether for gas meters or other relevant devices.

Imput fule fitter screen

The Input Fuel Filter Screen effectively traps dirt, debris, and contaminants. Crafted for durability, it safeguards your fuel system, ensuring clean fuel flow for optimal engine performance and extended equipment lifespan.

Original inlet-needel check valve

The Original Inlet - Needle Check Valve is a crucial component. Precision - made, it ensures one - way fuel flow, preventing backflow. Its high - quality build offers reliable sealing and durability for consistent engine performance.

MATERIAL INTRODUCTION

High Quality Carburetor

Our high - quality carburetor is constructed using top - tier materials to ensure outstanding performance and longevity. The body is made from durable, corrosion - resistant aluminum alloy, which not only provides excellent heat dissipation but also withstands the rigors of demanding working conditions. The internal components, such as needles and jets, are crafted from premium stainless steel for precise fuel metering and resistance to wear.

Product Application

Tianjin Stable Technology Co., Ltd. is a production-oriented enterprise specializing in the research, development, manufacturing and sales of diaphragm carburetors. Since 2010, it has been established by the backbone of well-known foreign carburetor companies. The company currently has more than 150 employees, including 8 technical R&D personnel, all of whom have more than 15 years of work experience in the carburetor industry. and selects the best carburetor supporting system at home and abroad to provide customers with the most "cost-effective" products.

Hedge Trimmer

Airplane

Chainsaw

Surfboard

Brushcutter

Breaker

Sprayer

Rammer

Product Package

For our exported products, we provide customizable packaging services. The outer packaging consists of high - quality cardboard cartons, which are made from durable materials to resist impacts, moisture, and compression， with a sturdy plastic tray inside. This tray acts as a stable base, effectively preventing products from shifting and absorbing shocks during transit. Whether by sea, air, or land, this packaging combination ensures that your products remain in pristine condition throughout the journey, giving you peace of mind regarding safe delivery.

FAQ

Tell us about your project requirements and we will figure out a solution that will meet your budget and design expectations.

What's the order process?

1)Inquiry---provide us all clear requirements (total qty and package details). 2)Quotation---officaial quotation from with all clear specifications from our professional team. 3)Marking Sample --- confirm all quotation details and the final sample. 4)Production---mass production. 5)Shipping---by sea or by air.

Delivery time?

Under normal circumstances, it will take 15-60 days after receiving your advance payment, the specific time depends on the quantity of the goods and the order, you can ask the customer service for details

How could I get a sample?

Before we receive the first order, please cover the sample cost and express fee. We will refund the sample cost with your first order.

Sample time?

Existing items: Within 7 days.

Can I get samples for free?

Yes, we can provide samples for free is you need to test, but you need to pay for the shipping cost.

What's your Payment item?

We can accept T/T, L/C, etc. 30% deposit before production, and 70% balance before delivery.

Whether you could make our brand on your products?

Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.

How to guarantee the quality of your products?

1.Strict quality control during production. 2.Rigorous sampling inspection of products before shipment, ensuring complete and intact packaging

Do you test all the goods before delivery?

Yes, all products are tested before delivery

OEM/ODM?

Yes