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