×
Call or Text us: (+239) 332 1305
- Home
- STILH BRAND
- 1143 120 0641 – STIHL Carburetor 1143/39 (Genuine OEM Part)
Description
1143 120 0641 – STIHL Carburetor 1143/39 (Genuine OEM Part)
The STIHL 1143 120 0641 is a genuine OEM carburetor, model 1143/39, designed to deliver precise fuel–air mixture control for reliable engine performance on compatible STIHL chainsaws. This carburetor supports smooth starting, stable idle, responsive throttle operation, and consistent power output under varying operating conditions.
Manufactured to STIHL’s original equipment specifications, this carburetor is built with high-quality internal metering components to ensure accurate fuel delivery and dependable long-term operation. Using a genuine STIHL carburetor helps maintain factory engine performance, fuel efficiency, and emissions compliance.
Product Details
-
Manufacturer Part Number: 1143 120 0641
-
Brand: STIHL
-
Part Type: Carburetor
-
Carburetor Model: 1143/39
-
System: Fuel system / Air intake system
-
Function: Regulates fuel–air mixture for engine operation
-
OEM Status: Genuine STIHL OEM replacement
Function
-
Delivers precise fuel–air mixture to the engine
-
Supports smooth idle and throttle response
-
Improves starting reliability
-
Maintains consistent engine performance
Compatible With STIHL Chainsaws
-
MS 251 C-BE (Carburetor)
-
MS 231 C-BE (Carburetor bracket, Air filter)
How It’s Used
This carburetor installs within the air intake assembly and meters fuel into the engine based on throttle input and operating conditions. It works in conjunction with the air filter and intake system to ensure efficient combustion.
Correct installation and adjustment are essential for optimal engine performance.
Suggested Maintenance
-
Use clean, fresh fuel mixed to STIHL specifications
-
Inspect and maintain the air filter regularly
-
Check for fuel leaks or poor throttle response
-
Replace the carburetor if adjustment no longer restores proper performance
The STIHL 1143 120 0641 Carburetor (1143/39) is used in OEM-specified fuel system applications where accurate fuel delivery, reliability, and long-term engine performance are essential.
