COOLGOOD18 CG823635LD Carburetor Quadrajet Vacuum Secondary 1904R 4BBL 750CFM 4MV

( Brand: Coolgood18 ), ( Manufacturer Part Number: CG823635LD ), ( Type: Carburetor ), ( Specifications 1: Auxiliary Venturi ), ( Venturi Choke Tube : 31.7mm ), ( Features: Spread Bore Carburetor, Constant-vacuum, Quadrajet ), ( Choke Type: Electric ), ( Specifications 2: Main Jet ), ( Specifications 3: Idle Jet ), ( Needle Valve: 3.3 ), ( Oe Part Number: 1981-1986 1906r ), ( Package Contents: Comes With Accessories, As Shown In The Picture ), ( Cfm: 650/750 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: 1904r 17066422 17066425 17066432 )

Review COOLGOOD18 Carburetor 750cfm For Rochester Quadrajet 4mv Vacuum Secondary fits 1980–1989

Introducing the Coolgood 18 CG823635LD Carburetor, an ideal replacement option for the 4-barrel 750cfm Rochester Quadrajet 4mv vacuum secondary used in select 1980-1989 1904R engines. This high-performance carburetor is designed to deliver impressive fuel economy, consistent idling, and improved throttle response, making it a favorite among car enthusiasts and restoration experts.

The Coolgood 18 CG823635LD Carburetor boasts an attractive black finish that complements any engine bay. Its robust design ensures durability and reliability even under heavy usage. This carburetor features a vacuum secondary system, which adjusts fuel delivery based on engine vacuum for optimal air-fuel mixture and smooth engine operation.

The 4-barrel design of this carburetor allows for increased fuel delivery to the engine, leading to improved power output and acceleration. The 750cfm (cubic feet per minute) airflow rating ensures that the engine receives an adequate supply of air and fuel for efficient combustion.

The Coolgood 18 CG823635LD Carburetor comes with a set of new gaskets, making installation simple and hassle-free. It's also compatible with original equipment manufacturer (OEM) throttle linkages, making it an easy drop-in replacement.

This carburetor is meticulously calibrated to ensure optimal performance right out of the box. However, for those seeking a more personalized tuning experience, it is also adjustable to accommodate individual driving styles and engine conditions.

In summary, the Coolgood 18 CG823635LD Carburetor is a top-tier replacement option for the Rochester Quadrajet 4mv vacuum secondary used in select 1980-1989 1904R engines. Its robust design, vacuum secondary system, and 4-barrel 750cfm configuration make it a reliable and high-performing choice for any restoration or performance upgrade project.

Pros and Cons of Buying a Coolgood CG823635LD Carburetor for 1980-1989 Rochester Quadrajet 4mv Vacuum Secondary Engines

a. Cost-Effective: The Coolgood CG823635LD is a budget-friendly alternative to the original Quadrajet carburetor, making it an attractive option for those looking to save money.

b. Performance: This carburetor offers good performance, with a 750 CFM air flow rate that can improve engine response and power output.

c. Adaptability: It can fit various applications, including 1980-1989 Rochester Quadrajet 4mv engines, making it a versatile choice for car enthusiasts.

d. Easy Installation: The Coolgood CG823635LD is designed to be an easy drop-in replacement for the original Quadrajet, simplifying the installation process.

a. Quality Concerns: Some users have reported issues with the build quality, including leaks and poor casting.

b. Calibration: The stock settings may not be ideal for all engines, requiring additional calibration and adjustments for optimal performance.

c. Inferior Materials: The Coolgood CG823635LD may use cheaper materials than the original Quadrajet, which could lead to potential issues over time.

The Coolgood CG823635LD carburetor can offer good performance, ease of installation, and cost savings compared to original Quadrajet carburetors. However, it may come with quality concerns, the need for calibration, and the use of inferior materials.

For those looking to save money and improve the performance of their 1980-1989 Rochester Quadrajet 4mv engines, the Coolgood CG823635LD could be an attractive option. However, it is essential to be aware of potential quality concerns and the need for calibration. If budget is not a primary concern, it may be worth considering an original Quadrajet or a high-quality aftermarket alternative.

Details:

1 Air filter gaskets. Due to different people have the individual understanding on of lists, product quality, and ect. Package Include: 1 Carburetor. May I remind you here.

W/o Product Instruction. New List Item. Fitment: For Chevy 1980 cars, use #1904R 17066422 17066425 Chevy/GMC 1981 86 trucks with electric choke, or #1906R 1901 7026202 7026203 7026210 7027202

1 Flange Gaskets.

part #: cg823635ld prices

• $111.55-$149.43

specifications carbcoon:

• for makes: Rochester
• for years: 1980-1989
• brand: Coolgood18
• mpn: Cg823635ld
• type: Carburetor
• specifications 1: Auxiliary Venturi
• venturi choke tube : 31.7mm
• features: Spread Bore Carburetor, Constant-vacuum, Quadrajet
• choke type: Electric
• specifications 2: Main Jet
• specifications 3: Idle Jet
• needle valve: 3.3
• oe part number: 1981-1986 1906r
• package contents: Comes With Accessories, As Shown In The Picture
• cfm: 650/750
• manufacturer warranty: 1 Year
• ipn: 1904r 17066422 17066425 17066432

general carbcoon:

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

payments carbcoon:

• wallet: Apple-pay
• other
• credit card: Visa

returns carbcoon:

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

offer carbcoon:

• options: Ship-to-home
• started: February 26, 2026
• best offers: True
• sold: 0
• availability: In Stock

seller carbcoon:

• rating: 99.5%
• city: Chino, California
• # reviews: 6831

shipping carbcoon:

• type: Fixed
• cost: $0.00
• service: Standard
• transit: 5-8 Days
• class: Standard

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