Best Fuel Injection Fuel Accumulators of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 7, 2026

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Fuel injection fuel accumulators are an essential component of modern fuel injection systems. These devices are designed to regulate the pressure of fuel within the fuel injection system, ensuring that the engine receives a consistent supply of fuel at all times. Fuel accumulators store pressurized fuel, which is then released into the fuel rail when the engine demands it. This helps to prevent fuel pressure drops during acceleration, which can cause engine hesitation or stalling. Fuel injection fuel accumulators are available in a range of sizes and configurations to suit different types of engines and fuel injection systems.

At a Glance: Our Top Picks

Bosch Fuel Supply Pressure Tank 0438170004 Cover #TOP 1
Bosch Fuel Supply Pressure Tank 0438170004
ftb score rating icon 9.9
Bosch Fuel Injection Accumulator 0438170035 Cover #TOP 2
Bosch Fuel Injection Accumulator 0438170035
ftb score rating icon 9.8
Canton Racing 24-016 Accusump Accumulator Cover #TOP 3
Canton Racing 24-016 Accusump Accumulator
ftb score rating icon 9.6

Top 10 Fuel Injection Fuel Accumulators

#TOP 1

Bosch Fuel Supply Pressure Tank 0438170004

0 438 170 004
Bosch Fuel Supply Pressure Tank 0438170004 Cover
Bosch Accumulator - 0438170004

The Bosch Fuel Supply Pressure Tank 0438170004, also known as the Bosch Fuel Supply Tank, is a high-quality fuel injection fuel accumulator. This single quantity tank is designed to provide reliable fuel supply pressure for your vehicle. With no core charge required, it is a convenient and cost-effective option for fuel system maintenance. Weighing just 1.68lbs, it is lightweight and easy to handle. The Bosch Fuel Supply Tank is a trusted choice for ensuring consistent fuel pressure, improving engine performance, and maximizing fuel efficiency. Whether you are a professional mechanic or a DIY enthusiast, this fuel supply tank from Bosch is a reliable and efficient solution for your fuel system needs.

What We Like
Reliable fuel supply pressure
Convenient and cost-effective
Lightweight and easy to handle
#TOP 2

Bosch Fuel Injection Accumulator 0438170035

0438170035
Bosch Fuel Injection Accumulator 0438170035 Cover
Bosch Accumulator - 0438170035

The Bosch Fuel Accumulator is designed for your fuel injection system, ensuring smooth and efficient fuel delivery. This product comes as a single unit, so you get exactly what you need without any extras. It’s convenient that there’s no core charge required, saving you extra costs and hassle during purchase. Weighing just 0.83 pounds, it’s lightweight, making installation easier and less cumbersome. This accumulator is a reliable choice for maintaining your vehicle’s fuel system performance.

What We Like
Single unit packaging
No core charge
Lightweight design
Reliable fuel delivery
#TOP 3

Canton Racing 24-016 Accusump Accumulator

Canton Racing 24-016 Accusump Accumulator Cover
Canton Racing 24-016 Accusump High Pressure Accumulator, 1 Pack

The Canton 24-016 Accusump is a high-pressure accumulator designed to hold 3 quarts of oil, helping you maintain consistent oil pressure in your engine. Its sturdy construction, made in the USA, ensures durability and reliability. With a compact size of 22 inches long and a 4-1/4 inch diameter body, it fits well in tight engine bays without taking up much space. This product is ideal for those looking to protect their engine by preventing oil starvation during hard acceleration or cornering, giving you peace of mind and improved engine performance.

What We Like
3 Quart Oil Capacity
High Pressure Design
Compact Size
Durable USA-Made Construction
#TOP 4

Bosch Fuel Accumulator 0438170027

0438170027
Bosch Fuel Accumulator 0438170027 Cover
Bosch Accumulator - 0438170027

The Bosch Fuel Accumulator is a reliable auto part designed to maintain fuel system pressure efficiently. With model number 0438170027, this fuel accumulator helps ensure smooth engine performance by stabilizing fuel delivery. As a part of the fuel injection system, it plays a crucial role in preventing fuel leaks and maintaining consistent fuel flow, which can improve your vehicle’s efficiency and reduce emissions. Bosch is a trusted brand known for quality automotive components, so you can count on this fuel accumulator to provide long-lasting and dependable service for your vehicle’s fuel injection system.

What We Like
Reliable fuel pressure control
Prevents fuel leaks
Improves engine efficiency
Trusted Bosch brand
#TOP 5

Bosch Fuel Injection Accumulator 0438170040

0438170040
Bosch Fuel Injection Accumulator 0438170040 Cover
Bosch Accumulator - 0438170040

The Bosch Fuel Accumulator is designed to support your vehicle's fuel injection system efficiently. It features electronic components that ensure precise control and reliable performance. The built-in battery, made with lithium technology, offers long-lasting power and durability, so you don't have to worry about frequent replacements. This product falls under the fuel injection fuel accumulators category, meaning it helps maintain consistent fuel pressure for smoother engine operation. With the Bosch Fuel Accumulator, you get a dependable part that enhances your vehicle's fuel system, contributing to better engine performance and fuel efficiency.

What We Like
Reliable electronic components
Durable lithium battery
Supports fuel injection
Consistent fuel pressure
#TOP 6

Bosch Fuel Injection Accumulator

0-438-170-017
Bosch Fuel Injection Accumulator Cover
Bosch 0-438-170-017 Fuel Injection Accumulator

The Bosch Fuel Injection Accumulator is a high-quality canister designed to withstand high engine temperatures. It transitions fuel efficiently and effectively, making it an ideal component for your fuel injection system. Its unique design is engineered to prevent spillage, so you can rest assured that it will keep your engine running smoothly and safely.

What We Like
Durable construction can withstand high engine temperatures
Efficiently and effectively transitions fuel
Unique spillage prevention design
#TOP 7

Bosch 0438170007 Fuel Air Accumulator

0438170007
Bosch 0438170007 Fuel Air Accumulator Cover
Bosch Accumulator - 0438170007

The Bosch Fuel Air Accumulator is designed to improve your vehicle's fuel injection system by storing fuel and maintaining consistent pressure. This helps your engine run smoothly and efficiently, reducing delays when accelerating. As a part of Bosch's trusted fuel injection components, this accumulator ensures reliable performance and durability. With this product, you can expect better fuel delivery and overall engine responsiveness, making your driving experience more comfortable and reliable.

What We Like
Reliable fuel storage
Consistent pressure maintenance
Improves engine performance
Trusted Bosch brand quality
#TOP 8

URO Parts Fuel Accumulator

0004760421
URO Parts Fuel Accumulator Cover
URO Parts 0004760421 Fuel Accumulator

The URO Parts Fuel Accumulator is designed to maintain consistent fuel system pressure and flow for reliable engine operation and easy starting. It is manufactured to OE accumulator dimensions to ensure compatibility with original mounts and fuel line connections. The fuel accumulator is made of high-quality materials that resist engine heat and the harsh fuel system environment. This product is factory pressure-tested for added assurance.

What We Like
Helps to maintain consistent fuel system pressure and flow for reliable engine operation and easy starting
Manufactured to OE accumulator dimensions for compatibility with original mounts and fuel line connections
High-quality materials resist engine heat and harsh fuel system environment
#TOP 9

Bosch Fuel Pressure Accumulator

438170007
Bosch Fuel Pressure Accumulator Cover
Bosch 438170007 Fuel Pressure Accumulator

The Bosch Fuel Pressure Accumulator is a durable canister designed to handle high engine temperatures. It is crafted to transition fuel smoothly and effectively, while also featuring a spillage-prevention mechanism. This fuel injection fuel accumulator is a reliable and efficient component for your vehicle's fuel system.

What We Like
Durable construction can withstand high engine temperatures
Efficiently and effectively transitions fuel
Unique design engineered to prevent spillage
#TOP 10

URO Parts Fuel Accumulator for Porsche Vehicles

91111019702
URO Parts Fuel Accumulator for Porsche Vehicles Cover
URO Parts 91111019702 Fuel Accumulator, 3 Fitting style

The URO Parts Fuel Accumulator is a vehicle-specific product designed for Porsche 911 and 930 models manufactured between 1976 and 1994. It comes with three fitting styles and has a weight of 1.5 pounds. This fuel injection fuel accumulator is an ideal replacement part for your Porsche, ensuring optimal fuel delivery and engine performance.

What We Like
Compatible with a range of Porsche 911 and 930 models
Comes with three fitting styles for easy installation
Optimizes fuel delivery and engine performance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the function of an accumulator in a fuel injection system?

The function of an accumulator in a fuel injection system is to increase the volume of fluid and maintain a constant pressure. It helps dampen pressure fluctuations when fuel is injected into the combustion chamber, ensuring a smooth and consistent flow of fuel.

2. How do you know if your fuel accumulator is bad?

A sign of a bad fuel accumulator is difficult starting when the engine is warm. If you experience cold start problems or a lack of fuel, it could indicate a faulty fuel accumulator. To be sure, it is best to use a fuel pressure gauge to check the fuel lines.

3. What does a bad accumulator do?

When an accumulator is damaged or no longer filtering out moisture, it can result in mold and mildew buildup in the AC system, leading to an unpleasant smell. It is important to ensure that the accumulator is functioning properly to prevent these issues.

4. Why do you need an accumulator?

An accumulator is necessary to act as a pressure buffer in the fuel injection system. It helps ensure a smooth flow of fuel from the outlets and prevents the pump from rapidly switching on and off when the flow rate exceeds demand. This helps maintain a consistent and efficient fuel delivery system.

5. What happens when the accumulator goes bad?

When the accumulator is damaged or no longer filtering out moisture, it can lead to mold and mildew buildup in the AC system, resulting in an unpleasant smell. It is important to address a bad accumulator to prevent these issues and maintain the proper functioning of the system.

Editor's Notes

During our fuel injection fuel accumulator research, we found 24 fuel injection fuel accumulator products and shortlisted 10 quality products. We collected and analyzed 3,314 customer reviews through our big data system to write the fuel injection fuel accumulators list. We found that most customers choose fuel injection fuel accumulators with an average price of $160.14.

The fuel injection fuel accumulators are available for purchase. We have researched hundreds of brands and picked the top brands of fuel injection fuel accumulators, including Bosch, Canton Racing Products, URO Parts. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.