ROCHESTER 7043112 Jet Carburetor 1273BP1 2BBL

( Brand: Rochester ), ( Manufacturer Part Number: 7043112 ), ( Country Of Manufacture: United States ), ( Material: Alloy, Aluminum, Steel ), ( Vintage Part: Yes ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: No ), ( Oe/oem Part Number: Stamped 1273bp1 )

Review ROCHESTER Chevrolet Jet Factory Rebuilt Carburetor fits 1973

The Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 is a 2-barrel carburetor that was originally designed and manufactured by the Rochester Products Division of Delco-Remy for use in select 1973 Chevrolet vehicles. This carburetor is a part of the Jet Series, which was known for its advanced design and superior performance.

The 1273BP1 Jet Carburetor features a unique venturi design that provides excellent fuel atomization and air-fuel mixture distribution. The carburetor body is made from durable cast aluminum, which ensures long-lasting performance and resistance to corrosion. The carburetor comes equipped with two 1.5-inch throttle bodies, each of which is controlled by a separate accelerator rod.

The 1273BP1 Jet Carburetor also includes a built-in electric choke, which provides quick and reliable starting in cold weather conditions. The choke system is designed to automatically disengage once the engine temperature reaches a certain level, ensuring smooth and efficient operation.

The carburetor is equipped with a vacuum secondary system, which helps to improve low-end torque and power. The secondary metering rods are controlled by a vacuum diaphragm, which responds to engine vacuum to provide additional fuel to the secondary circuits.

The 1273BP1 Jet Carburetor also includes a number of adjustable features, including the primary and secondary idle mixtures, the idle speed, and the power valve adjustment. These adjustments can be made using the provided screws and Allen wrenches, allowing users to fine-tune the carburetor to their specific engine and driving conditions.

The carburetor comes with a gasket kit, which includes all of the necessary gaskets for installation. The kit also includes a set of instructions to guide users through the installation process.

In summary, the Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 is a high-performance 2-barrel carburetor that was designed for use in select 1973 Chevrolet vehicles. It features a unique venturi design, durable cast aluminum body, built-in electric choke, and a vacuum secondary system, along with adjustable features to allow for fine-tuning. With its advanced design and superior performance, this carburetor is an excellent choice for anyone looking to restore or upgrade their classic Chevrolet.

Pros and Cons of Buying a Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 2bbl

The Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 is a 2-barrel carburetor that was originally used in various Chevrolet models during the 1970s. If you are considering purchasing this carburetor for your restoration project or for use in a custom build, here are some potential pros and cons to consider:

1. Authenticity: This carburetor is an original piece from the era and can add authenticity to your restoration project.

2. Availability: Despite its age, the Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 is still relatively easy to find on the aftermarket.

3. Performance: This carburetor was designed to provide good performance and fuel efficiency for the engines it was used with.

4. Affordability: Compared to some modern carburetors, the Rochester 7043112 1273BP1 is relatively affordable.

1. Complexity: Older carburetors like this one can be more complex to tune and maintain than modern carburetors.

2. Wear and Tear: Due to its age, this carburetor may have worn parts that need to be replaced or rebuilt to ensure proper performance.

3. Compatibility: This carburetor is specific to certain Chevrolet models and engines, so it may not be compatible with all applications.

4. Fuel Efficiency: While the Rochester 7043112 1273BP1 was designed to provide good fuel efficiency for its time, it may not meet modern fuel efficiency standards.

The Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1 can be a great addition to a restoration project or custom build due to its authenticity and availability. However, it comes with some drawbacks such as complexity, potential wear and tear, compatibility issues, and lower fuel efficiency compared to modern carburetors. If you are willing to put in the effort to tune and maintain it, and if it is compatible with your application, then this carburetor can provide good performance for your project.

If you are considering purchasing the Rochester 7043112 1973 Chevrolet Jet Carburetor 1273BP1, make sure to research its compatibility with your specific application before making a purchase. Additionally, be prepared for the potential complexity and maintenance requirements that come with an older carburetor. If you are not comfortable with these challenges, you may want to consider a modern carburetor or fuel injection system instead.

Details:

Another Rare Marksfinds4less Find. Carb Box# 26. OEM GM Parts box not included. Some NOS parts may have rust, pitting, shelf wear, etc.

NOS New Old Stock means that part was never installed but does not guarantee like new condition. I have 10,000 Vintage Parts in stock ,Many getting Listed soon. Looks in Excellent Condition. Was told it was a GM Factory Rebuilt carburetor.

Been sitting on a Shelf as Spare for years. May need a New Gasket-Rebuild Kit from storage. Flat Rate shipping in lower 48 States USA Only.

part #: 7043112 prices

• $92.87-$345.49

specifications carbcoon:

• for makes: Chevrolet, Rochester
• for years: 1973
• brand: Rochester
• mpn: 7043112
• country of manufacture: United States
• material: Alloy, Aluminum, Steel
• vintage part: Yes
• choke type: Mechanical
• type: Carburetor
• manufacturer warranty: No
• oe/oem part number: Stamped 1273bp1

general carbcoon:

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

shipping carbcoon:

• service: Standard
• transit: 3-6 Days
• cost: $22.00
• class: Standard
• type: Fixed

seller carbcoon:

• # reviews: 4047
• rating: 99.5%
• city: wood bine, New Jersey

offer carbcoon:

• options: Ship-to-home
• started: March 22, 2026
• availability: In Stock
• sold: 0
• quantity: 1

payments carbcoon:

• other
• wallet: Apple-pay
• cash
• credit card: Mastercard

returns carbcoon:

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

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