Rochester Quadrajet Carburetor Rebuild Kit - K4004

Restore the performance of your engine with the K4004 Rochester Quadrajet Carburetor Rebuild Kit. This premium-quality kit includes all the components needed to rebuild your 4-barrel Rochester Quadrajet carburetor, ensuring reliable fuel delivery, smoother idle, and better acceleration.

Perfect for classic GM vehicles, this kit features ethanol-resistant materials to handle today’s modern fuel blends. Each component is manufactured in the USA, guaranteeing high durability and exact fitment for proper carburetor function.

Features:

• Fits Rochester Quadrajet 4-barrel carburetors

• Includes ethanol-safe accelerator pump

• High-quality needle and seat, gaskets, seals, and small parts

• Restores lost power, fixes hard starts, and prevents flooding

• Ideal for classic Chevy, Pontiac, Oldsmobile, Buick, and GMC models

• Proudly made in the USA

What’s Included:

• Accelerator pump assembly (ethanol compatible)

• Needle and seat with retainer

• Float bowl gasket

• Air horn gasket

• Check balls, springs, clips, and miscellaneous small parts

• Instruction sheet for easy rebuild

Benefits:

• Improves cold starts and idle quality

• Prevents fuel leaks, stalling, or rich/lean conditions

• Designed for precise OEM-level fuel metering

• Helps solve common Quadrajet issues like hesitation or flooding

• Cup diameter = 21/32" ID = .367"