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Unit Injector Wiring Harness 4P-9537 for Cat - Northline Parts

Unit Injector Wiring Harness 4P-9537 for Cat 345B excavators and compatible 3176/C10/C12 engine applications

SKU: NLT2T02811
$261.89 In Stock
$261.89
Sale price  $261.89 Regular price 
Ships for free in 2–4 business days.
This Cat unit-injector wiring harness replaces reference 4P-9537 for compatible engine installations. It carries the electrical signals needed to operate the electronic fuel injectors.
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model

Cat 345B excavators and compatible 3176/C10/C12 engine applications.

Additional cataloged applications (confirm machine serial and configuration):

  • Cat: 3176B, 3176C, C-10, C-12, 345B, 345B L, 365B, 725, 730

Product Overview

The injector harness connects engine control wiring to the electronically controlled injectors. Heat, oil exposure and damaged wiring can interrupt injector operation and contribute to a misfire or hard starting.

Key Features & Performance

  • Component: Unit Injector Wiring Harness
  • Purpose: Carries electrical signals and power to the unit injectors.
  • Primary reference: 4P-9537

OE / Reference Numbers

  • 4P-9537
  • 4P9537

Common Reasons for Replacement

Frayed wiring, broken terminals, injector-circuit fault or intermittent cylinder operation.

Fitment & Installation Notes

Match 4P-9537, harness connectors and engine arrangement; this is a harness, not a set of injectors.

Frequently Asked Questions

Is this a genuine OEM part? No. This listing is for a replacement part unless explicitly described as genuine OEM. Reference numbers identify the intended application.

How do I confirm the right replacement? Match 4P-9537, harness connectors and engine arrangement; this is a harness, not a set of injectors.

Part Summary

keywords: Unit Injector Wiring Harness, 4P-9537, Cat Unit Injector Wiring Harness, Unit Injector Wiring Harness 4P-9537 for Cat 345B excavators and compatible 3176/C10/C12 engine applications, Unit Injector Wiring Harness replacement, fuel injectors

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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