BOSCH HIGH-PRESSURE PUMPS

BOSCH HIGH-PRESSURE PUMPS

DISCOVER OUR RANGE FOR CP1, CP2, CP3, CP4, AND CP5 MODELS

Precision repair solutions with REDAT Injector Pump parts & kits

When it comes to fuel delivery in modern diesel engines, Bosch high-pressure pumps stand out for their durability, efficiency, and advanced engineering. At REDAT, we supply a selection of Bosch injector pump parts and components for CP1, CP2, CP3, CP4, and CP5 pumps – ensuring your diesel systems run smoothly, reliably, and at peak performance.

Whether you're a workshop, diesel technician, or industrial fleet operator, REDAT provides precision parts and technical support for all common rail systems equipped with Bosch pumps. This article will guide you through the Bosch pump system lineup and how REDAT supports your repair and replacement needs.

What is a Bosch high-pressure pump?

The Bosch pump in a common rail diesel system compresses fuel and delivers it to the injector rail at pressures reaching up to 2,500 bar (depending on the model). This high-pressure injection is essential for meeting stringent performance and emissions standards.

Unlike older systems where timing and delivery were controlled by a mechanical pump, Bosch’s modern common rail designs separate these functions – allowing more precise control, quieter operation, better fuel economy, and reduced emissions.

Bosch Pump Series overview

Bosch offers a diverse range of high-pressure pumps, each with specific features to meet the needs of different Diesel engines. Here’s a breakdown of the most common Bosch high-pressure pump types and their typical applications:

CP1 – The First Generation

●        Introduced in early common rail systems

●        Radial piston design

●        Used in many passenger vehicles and light-duty trucks

●        Lower pressure (up to ~1,350 bar) compared to newer models

●        Still widely serviced due to its continued use in legacy fleets

CP2 – Compact & Durable

●        Twin-piston radial pump

●        Higher durability than CP1

●        Found in mid-range vehicles and commercial vans

●        Often used in two-pump configurations for higher output

CP3 – The Industry Workhorse

●        Robust three-piston radial design

●        Supports pressures up to 1,800 bar

●        Used in heavy-duty applications such as trucks, agricultural, and construction vehicles

●        Known for long service life and consistent performance

CP4 – Compact Efficiency

●        Designed for Euro 5/6 engines

●        Smaller, more efficient with reduced parasitic losses

●        Available as CP4.1 (single piston) and CP4.2 (dual piston)

●        Requires precision handling—failures often stem from contamination or wear

●        Higher-pressure capabilities (up to 2,000+ bar)

CP5 – The Next Generation

●        Bosch’s latest advancement in high-pressure fuel delivery

●        Designed for even higher pressure and emission compliance

●        Lighter and more compact with reduced fuel consumption

●        Becoming standard in modern diesel engines for passenger cars and light commercial vehicles

REDAT: your trusted source for Bosch Injector Pump parts

At REDAT, we understand the challenges involved in repairing high-pressure fuel systems. That’s why we offer:

●        Comprehensive repair kits including all major wear components

●        Individual spare parts (valves, plungers, springs, O-rings, bolts, and more)

●        Guaranteed quality backed by in-house testing and manufacturing standards

●        Compatibility with Bosch CP-series pumps

Our solutions are designed for professionals who demand precision, safety, and reliability when servicing diesel components.

Browse our full Bosch pump catalog online:

●        Bosch Pump Catalog (on REDAT.com)

●        REDAT.US Product Page – Bosch Pump

●        Bosch Pump Catalog (on REDAT.us)

Benefits of choosing REDAT for Bosch Pump repairs

➔     Technical Accuracy: all REDAT parts are designed to fit seamlessly into Bosch pump housings and assemblies.

➔     Time-Saving Kits: with pre-sorted components, our rebuild kits minimize guesswork and reduce bench time.

➔     Cost-Efficiency: replacing individual components instead of the entire pump saves significant costs.

➔     Worldwide Compatibility: REDAT parts are used by workshops and service centers globally.

➔     Support & Documentation: access exploded views and parts lists, in every REDAT catalog.

When should you replace Bosch Pump components?

Look out for these signs that your Bosch pump may need servicing or parts replacement:

●        Loss of fuel pressure

●        Hard starts or failure to start

●        Increased fuel consumption

●        Injector misfire codes

●        Contaminated fuel (metal shavings, water ingress, etc.)

●        Visible wear or scoring on internal pump parts

Even minor damage to high-precision components can cause system-wide performance issues. Regular maintenance and quality parts are essential.

Get expert support from REDAT

Need help identifying the right Bosch injector pump parts? REDAT offers full technical support via phone or email. Whether you're working on a single repair or outfitting your entire diesel workshop, we’re here to help.

Phone: +39 011 969 1111

Email: sales@redat.com

Final considerations

From the CP1 to the advanced CP5, Bosch high-pressure pumps are an essential part of modern diesel engines – and REDAT has everything you need to keep them in top working condition. With OEM-compliant quality, a vast parts catalog, and expert support, we’re proud to be the go-to partner for professionals around the world.

Trust REDAT for precision, reliability, and performance in every pump repair.