STANDARD MOTOR PRODUCTS XN49S3 Carburetor Float K30 P3500

( Brand: Standard Motor Products ), ( Part Type: Carburetor Motor ), ( Manufacturer Part Number: XN49S3 ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Carburetor Float With Holley Carb.; Carb. Model 4150g, 4150e ), ( Years: 1979 1980 1981 1982 79 80 81 82 ), ( Makes: Chevrolet Gmc ), ( Models: C20 C30 K30 P3500 C1500 C1500 Suburban C2500 C2500 Suburban C3500 ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Carburetor Float K30 fits SUBURBAN C20 C30 C1500 C2500 C3500 K3500 1979–1982

The XN49S3 carburetor float is a crucial component of the fuel delivery system in various General Motors vehicles, including C20, C30, K30, P3500, C1500, Suburban C2500, C3500, and K3500 models. This float is specifically designed to maintain an adequate fuel level in the carburetor bowls to ensure consistent and efficient engine performance.

The XN49S3 float is made from high-quality materials, ensuring durability and reliability. Its smooth, spherical shape allows it to float evenly on the surface of the fuel, maintaining a consistent fuel level in the carburetor bowls. The float features a hollow design with a hollow center, which enables it to hold an accurate amount of fuel and respond quickly to changes in engine RPM and load.

The top of the float is equipped with a venturi-shaped fuel level sensor, which continuously monitors the fuel level in the carburetor bowls. This sensor sends a signal to the engine's throttle body, allowing it to adjust the fuel-air mixture as needed to maintain optimal engine performance.

The XN49S3 float is also designed with a float needle, which regulates the flow of fuel from the float bowls to the engine. The needle is adjustable, allowing technicians to fine-tune the carburetor for different engine conditions and fuel quality.

The XN49S3 carburetor float is an essential replacement part for vehicles with carbureted engines. Its precise design and high-quality materials ensure accurate fuel delivery and consistent engine performance. Whether you are restoring a classic vehicle or maintaining a daily driver, this float is an essential component for keeping your engine running smoothly.

Buying a Standard Motor XN49S3 Carburetor Float: Weighing the Pros and Cons for Various Applications (C20, C30, K30, P3500, C1500, Suburban C2500, C3500, and K3500)

a. Universal Fitment: The XN49S3 float is known for its compatibility with a wide range of engines, including those in vehicles like Chevrolet C20, C30, K30, P3500, C1500, Suburban C2500, C3500, and K3500. This makes it a convenient choice for those with multiple vehicles or who encounter floats failing frequently.

b. Affordability: Compared to OEM (Original Equipment Manufacturer) floats, aftermarket floats like the XN49S3 are generally more affordable. This can be an attractive option for those on a budget or those who frequently need to replace floats.

c. Easy Availability: The XN49S3 float is widely available at various automotive parts stores and online marketplaces, enabling users to access and purchase it with ease.

a. Quality Concerns: While some aftermarket floats, like the XN49S3, are of high quality, others may be inferior in terms of materials and workmanship. This could result in shorter float lifespan or suboptimal engine performance.

b. Potential Compatibility Issues: Although the XN49S3 float is designed to fit various engines, there is still a chance for compatibility issues. These issues may result in leaks, poor idle quality, or other performance problems.

c. Lack of Customization: Aftermarket floats, such as the XN49S3, may not offer the same level of customization as OEM floats. This could limit users' ability to fine-tune engine performance for specific applications.

The decision to buy a Standard Motor XN49S3 Carburetor Float depends on various factors, including your budget, engine application, and desired level of customization. If you have multiple vehicles with similar engines and are seeking an affordable, readily available float option, the XN49S3 could be a suitable choice. However, if you prioritize customization or high-quality components, it may be worth considering OEM floats or other aftermarket options that cater to your specific engine model.

For those seeking a well-rounded and effective solution, it is recommended to carefully research and compare various aftermarket float options, such as the XN49S3, as well as OEM floats, to determine which best fits your needs and budget. Consulting with a knowledgeable mechanic or automotive parts specialist can also help ensure you make an informed decision.

part # xn49s3 prices

• $12.50-$57.32

specifications carbcaddie:

• for models: C20, C30, C1500, C2500, C3500, K3500, Suburban
• for years: 1979-1982
• brand: Standard Motor Products
• part type: Carburetor Motor
• manufacturer part number: XN49S3
• product warranty: 12 Month Warranty
• part info: Carburetor Float With Holley Carb.; Carb. Model 4150g, 4150e
• years: 1979 1980 1981 1982 79 80 81 82
• makes: Chevrolet Gmc
• models: C20 C30 K30 P3500 C1500 C1500 Suburban C2500 C2500 Suburban C3500
• important: Please Read All Notes Before Making This Purchase
• cs-sku: 400

offer carbcaddie:

• availability: In Stock
• options: Ship-to-home
• started: June 6, 2026
• quantity: 1
• sold: 0

shipping carbcaddie:

• service: FedEx Ground / FedEx Home Delivery
• transit: 4-9 Days
• type: Fixed
• class: Standard
• cost: $0.00
• carrier: FedEx

seller carbcaddie:

• rating: 98.8%
• # reviews: 68776

general carbcaddie:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

payments carbcaddie:

• wallet: Paypal
• credit card: Visa
• other

returns carbcaddie:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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