Befrag C7-020 Fixed Block For CAT C7 HEUI Injectors – Precision Machined Replacement Part
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Befrag C7-020 Fixed Block For CAT C7 HEUI Injectors – Precision Machined Replacement Part

Befrag C7-020 Fixed Block For CAT C7 HEUI Injectors – Precision Machined Replacement Part

1. Product: C7 Fixed Block
2. Compatible Equipment: CAT C7 Diesel Engine
3. Model: C7-020
4. Brand: Befrag
5. Condition: Brand New
6. Origin: China
7. Delivery Time:3-5 days
8. Payment Methods:T/T, Western union, PayPal

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Product Introduction

Shop high-quality C7-020 Fixed Block for CAT C7 HEUI fuel injectors. Installs between nozzle body and spool valve block. Ensures precision alignment and stable injector performance.

 

Product Overview

 

The C7-020 Fixed Block is a core structural part used in Caterpillar C7 HEUI (Hydraulic Electronic Unit Injector) systems. This component is positioned between the nozzle holder and the upper spool valve block-serving as a rigid central frame that supports and aligns key internal components.

As an integral part of the injector body, the fixed block maintains the correct axial alignment of the plunger, nozzle, and valve assembly. Its role is critical in ensuring consistent fuel atomization, injection timing, and structural stability during high-pressure operation. The C7-020 from Befrag is manufactured with high-strength materials and tight tolerances to meet or exceed OEM standards.

Whether for injector servicing or remanufacturing, replacing a worn or deformed fixed block is essential to restore full injector function.

 

Installation Position and Function

 

 

Installation Position

The C7-020 Fixed Block is located centrally inside the injector body, sandwiched between the lower nozzle section and the upper valve control section. In the exploded diagram, it sits directly below the control valve body (C7-022) and above the mid-body cylinder and nozzle nut assembly.

Function

  • Structural Support: Acts as the rigid base that connects and aligns the lower nozzle and upper spool valve components.
  • Axial Alignment: Maintains concentricity of the plunger and fuel flow channels, ensuring accurate and repeatable injector firing.
  • Pressure Resistance: Withstands extreme hydraulic and mechanical pressures during fuel injection cycles.
  • Precision Seating: Provides precise seating surfaces for sealing components and guides to prevent leakage and vibration.
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Improper seating or wear of the fixed block can cause fuel delivery errors, misfiring, or internal component damage. That's why quality replacement, like the Befrag C7-020, is crucial for repair quality and engine longevity.

 

Key Features

 

  • CNC Precision Machined:

Ensures perfect fit and optimal internal clearances.

  • Premium Material Composition:

Made from heat-treated alloy steel for high pressure and thermal endurance.

  • Corrosion-Resistant Finish:

Coated to resist rust and wear, even in demanding diesel environments.

  • OEM-Grade Compatibility:

Matches factory specs for easy drop-in replacement during injector overhaul.

  • Cost-Effective Solution:

Dependable and affordable replacement part for workshops and remanufacturers.

 

Technical Specifications

 

Item Name

Fixed Block (C7-020)

Manufacturing Brand

Befrag

Material

High-strength alloy steel

Surface Treatment

Corrosion-resistant coating / precision grinding

Application

Caterpillar C7 HEUI Injectors

Mounting Position

Between nozzle holder & valve block

Fit Type

Direct-fit OEM replacement

 

Compatible Injector Models

 

The C7-020 Fixed Block fits the following Caterpillar C7 HEUI injector models:

  • Standard & Remanufactured Injectors:

238-8091, 241-3238, 241-3239, 243-4502, 243-4503, 263-8218, 268-1835, 268-1836, 268-1839, 268-1840, 268-9577, 295-1408, 295-1409, 295-1410, 295-1411, 295-1412

  • Rebuild & Service Numbers:

20R-8056, 20R-8057, 20R-8058, 20R-8059, 20R-8066, 20R-8067, 20R-8071, 20R-9079

  • Upgraded Injector Models:

328-2582, 328-2585, 328-2586, 328-2587, 387-9426, 387-9427, 387-9428, 387-9429, 387-9430, 387-9441, 557-7627

  • 10R Series:

10R-4761, 10R-4762, 10R-4763, 10R-4764, 10R-7225

 

Applications

 

  • Caterpillar C7 diesel engines (on-highway, construction, marine, power generation)
  • Medium-duty trucks and buses
  • Heavy equipment using C7 HEUI injector technology

 

Note: Always verify your injector's part number and consult installation diagrams for accurate replacement. For technical assistance or wholesale pricing, please contact Abosede Diesel support.

 

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Flexible Payment Methods for Your Convenience

 

To make your purchasing experience smooth and easy, we offer a variety of secure payment options:

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Bank Transfer

Pay directly in 15 supported currencies.

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Western Union

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PayPal

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We're here to make your order process worry-free - choose the payment method that works best for you!

 

Shipping Made Simple

 

We understand that every customer has unique shipping needs. That's why we offer:

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Global Express Services

DHL, FedEx, UPS for fast and secure delivery.

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Sea Freight Solutions

Affordable and efficient for bulk orders.

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Flexible logistics

Prefer your own forwarder? We're happy to work with them too.

No matter the destination, we tailor the best shipping solution for you.

 

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