260-5542 Engine Harness Assembly for Caterpillar C6.6 320D 323D Excavator
Brand: Caterpillar (CAT)
Part Number: 260-5542, 2605542
Core Engine:Caterpillar C6.6 ACERT Technology
Application: Excavators (320D/323D), Tractors (D6N), Loaders (963D/924H)
$399.00
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1 Year Warranty, Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
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Product Highlights
Overview
| Brand | Caterpillar (CAT) |
|---|---|
| OEM P/N | 260-5542 |
| Application | Excavators (320D/323D), Tractors (D6N), Loaders (963D/924H) |
Product Details
Premium 260-5542 Engine Harness Assembly for Caterpillar C6.6 Engines & 320D Excavators
The 260-5542 Engine Harness Assembly is the critical communication link for your Caterpillar C6.6 ACERT engine. As the central nervous system of your machine, this harness connects the Electronic Control Module (ECM) to all vital engine sensors, fuel injectors, and actuators. Replacing a degraded harness with our OEM New 260-5542 prevents power loss, intermittent stalling, and “Check Engine” fault codes, ensuring your engine’s electrical architecture remains robust.
I. OEM New Standards for Rugged Performance
Operating conditions for CAT 320D excavators or D6N dozers involve high vibration and intense heat. Our 2605542 harness is engineered to withstand these industrial challenges:
- Extreme Heat Resistance: Encased in high-grade industrial-strength looming to prevent melting or shorting in the tight engine compartments of 963D Track Loaders or Asphalt Pavers.
- Vibration-Proof Connectivity: Every terminal provides a “lock-tight” fit, ensuring the relentless shaking of a 120M Motor Grader doesn’t disrupt critical data flow.
- Anti-Corrosion Seals: Specialized rubber seals block moisture, dust, and diesel fuel, preventing terminal oxidation and long-term electrical failure.
II. Comprehensive Machine Compatibility
The 260-5542 harness is a versatile electrical component, widely used across the Caterpillar mid-range fleet:
| Excavators | Direct fit for 320D, 320D GC, 320D L, and 323D L series. |
| Tractors & Loaders | Essential for D6N Track-Type Tractors, 963D Track Loaders, and 924H / 930H Wheel Loaders. |
| Industrial Gear | Supports 12M Motor Graders and specialized Industrial C6.6 engine configurations. |
III. Critical Verification & 12-Month Warranty
MANDATORY STEP: TOTAL CONFIDENCE SERVICE
To ensure a perfect “Plug-and-Play” installation and avoid project delays:
- Data Requirement: After ordering, please provide your Vehicle Identification Number (VIN) or a clear photo of your machine’s data plate.
- SIS Database Check: Our experts will cross-reference the Caterpillar SIS database to confirm the 260-5542 is the exact match for your serial number.
- Warranty: Enjoy a full 12-month warranty on this factory-tested, original-spec replacement.
IV. Why Source from Liuchuang Parts?
Reliability First
We provide only OEM New parts, ensuring your machine benefits from factory-standard material improvements and long-term service life.
Technical Support
From the point of inquiry to final installation, our team is committed to a seamless buying experience and fast after-sales support.

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