HOLLEY 12-833 Mechanical Fuel Pump

( Brand: Holley ), ( Part Type: Fuel Pump ), ( Manufacturer Part Number: 12-833 ), ( Epid: 99134976 )

Review HOLLEY Mechanical Fuel Pump

The Holley 12-833 is a high-performance mechanical fuel pump designed to deliver reliable and consistent fuel flow in various applications, particularly in vintage hot rods, custom cars, and high-performance engines. This fuel pump is engineered to provide superior flow rates compared to stock pumps, ensuring a seamless power delivery and improved driving experience.

This mechanical fuel pump features a robust design with a cast iron housing and a heavy-duty, machined impeller. The impeller is designed to deliver a flow rate of approximately 130-150 GPH (gallons per hour) at 5 PSI (pounds per square inch) pressure. The pump also comes with a 3/8 NPT threaded inlet and a 5/16 NPT threaded outlet, which makes it easy to integrate with various fuel systems.

The Holley 12-833 is engineered to handle fuels with up to 10% ethanol content, ensuring compatibility with modern unleaded gasoline. The pump's design also includes a built-in anti-siphon feature, which prevents fuel from flowing back into the fuel tank during idling or when the engine is off, ensuring a clean and dry fuel system.

The pump's mechanical design eliminates the need for an electrical source or a fuel pump controller, making it an excellent choice for applications where a simple, reliable fuel delivery solution is required. The pump is also easy to install, as it comes with mounting hardware and a gasket.

The Holley 12-833 mechanical fuel pump is an excellent choice for enthusiasts looking to upgrade their fuel delivery system in their hot rods, custom cars, or high-performance engines. With its robust design, high flow rate, and ease of installation, this pump is sure to provide reliable and consistent fuel flow, enhancing the performance and driving experience of your vehicle.

The Holley 12-833 mechanical fuel pump is a popular choice among car enthusiasts and restoration projects due to its durability and reliability. Here are some pros and cons to help you make an informed decision about purchasing this fuel pump:

1. Durability: The Holley 12-833 is known for its robust design and long lifespan. It's made of heavy-duty materials, making it ideal for high-performance applications and vintage cars.

2. Versatility: This fuel pump can be used in a wide range of applications, including gasoline and alcohol fuel systems. It's also compatible with various fuel tank sizes and configurations.

3. Ease of installation: The mechanical design of the Holley 12-833 makes it easy to install and maintain. It doesn't require any electrical connections, making it a good choice for cars without a functional electrical system.

4. Consistent fuel delivery: This fuel pump delivers a consistent fuel flow rate, ensuring reliable engine performance. It's also capable of handling high fuel pressure requirements.

1. Limited compatibility: While the Holley 12-833 is versatile, it may not be compatible with all fuel systems. It's essential to check the specifications of your fuel system to ensure compatibility.

2. Manual priming: This fuel pump requires manual priming before use. This can be inconvenient for some users, especially in cold weather conditions.

3. Noise: The Holley 12-833 can be relatively loud compared to electric fuel pumps. This may not be an issue for some users, but it's worth considering if you're sensitive to noise.

The Holley 12-833 mechanical fuel pump is a reliable and durable option for car enthusiasts and restoration projects. Its versatility, ease of installation, and consistent fuel delivery make it an attractive choice. However, its limited compatibility, manual priming, and noise level are worth considering before making a purchase. Ultimately, if you're looking for a robust and reliable fuel pump for your car project, the Holley 12-833 is a solid choice.

If you're in the market for a mechanical fuel pump and the Holley 12-833 meets your compatibility requirements, we recommend giving it a serious consideration. Its durability, versatility, and consistent fuel delivery make it an excellent choice for car enthusiasts and restoration projects. However, if you're looking for a quieter option or prefer an electric fuel pump, there are other models on the market that may better suit your needs. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

Details:

Holley 12-833 Mechanical Fuel Pump: Part Number: Manufacturer. Manufactured following strict OE standards to work like the original component. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service.

Made of high-quality components for durability, reliability, and performance. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

part #: 12833 prices

• $139.95-$174.38

specifications pumpunite:

• brand: Holley
• part type: Fuel Pump
• manufacturer part number: 12-833
• epid: 99134976

returns pumpunite:

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

general pumpunite:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
• condition: New

seller pumpunite:

• city: Los Angeles, California
• rating: 97.1%
• # reviews: 51684

payments pumpunite:

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

shipping pumpunite:

• cost: $0.00
• type: Fixed
• service: Standard
• class: Standard
• transit: 5-9 Days

offer pumpunite:

• quantity: 2
• availability: In Stock
• best offers: True
• started: August 10, 2025
• options: Ship-to-home
• sold: 0

Holley 12-833 Is Similar To:

• Holley 12-327-20 170 Gph Mechanical Fuel Pump (81% similar) Heavy duty construction for continuous high rpm operation. Fuel body casting can be rotated to accommodate various plumbing situations. Part number:: street/strip carburetors applications fits small block Chevy V8S compatible with gasoline.: Holley mechanical fuel pumps range...(June 10th, 2024)
• Holley 090127606209 12-125 125 Gph Hp Electric Fuel Pump (55.6% similar) Holley carburetors have powered every NASCAR sprint cup team and nearly NRA pro-stock champion for four decades. Tall compatible with gasoline or alcohol looking for a fuel pump that is quiet, stylish, powerful and dependable. Look at the Holley hp 125 and 150 series fuel pumps...(August 3rd, 2024)
• Holley 12-426 Sale Mighty Mite Electric Fuel Pump 25gph 1.5-4 Psi All E85 Diesel (40.4% similar) Used but doesn't look like very much if at all. Sale Holley mighty mite electric fuel pump 25GPH 1.5-4 psi all E85 diesel...(August 4th, 2024)
• Holley Performance 12-813 Mechanical Fuel Pump Mounting Pad Cover (66.7% similar) Holley performance 12-813 mechanical fuel pump mounting pad cover, details must confirm fitment with pictures and part number before purchase good used, doesn't come with a gasket. Fits small and big block Chrysler, Chevrolet, ford Windsor, Fe, 385 series engines,; mechanical fuel pump mounting...(August 16th, 2024)
• Holley 712-801-1 Used Electric Fuel Pump (70.3% similar) Constant fuel flow with no pulsation. Used in good working order. Maximum pressure is 7 psi. Includes mounting bracket. Distinctive red logo. Lower housing casting designed for enhanced fuel flow. They have been powering racing legends and street enthusiasts alike since the early 70'S...(August 18th, 2024)
• Holley 12-427 Electric Fuel Pump (75.8% similar) Part #: Holley 12-427 for sale...(August 21st, 2024)
• Holley 12-289-11 Mechanical Fuel Pump (90.1% similar) This pump is designed for use with fuel systems and compatible a range of vehicles. This Holley fuel pump, model 12-289-11, is a reliable and efficient choice for any vehicle. Whether you're replacing an old pump or upgrading your vehicles fuel system, this Holley is excellent choice...(September 17th, 2024)
• Holley 12-812-1 Red Electric Fuel Pump 12-812 (65.8% similar) Photos are the best. Items may need a more in depth cleaning. Please look at all pictures closely before purchasing. Everything you see in the pictures is what included this lot...(October 3rd, 2024)
• Holley Performance 12-802 Vintage 80s Electric Fuel Pump With Regulator Blue 12v 110 Gph (42.6% similar) Vintage 80S Holley electric fuel pump 12-802 w/regulator blue 12V 110 GP...(October 5th, 2024)
• Holley 12-801-1 97 Gph Red Electric Fuel Pump (65.8% similar) This is an extra pump that I am no longer using...(October 26th, 2024)
• Holley 6145-2 Vintage Red Electric Fuel Pump Hot Rod Rat Tested Good Today (44.4% similar) Keep an eye on our offers each week for more new and used items. Do not pay individually. Look at the pictures and you decide. We now end up only getting around 70% of the item. All our offer items start at either $0.99 or $9.99 and sell to the highest best bidder regardless of...(November 1st, 2024)