323-9140 Engine Speed Sensor Wiring Harness for CAT C9 330D 336D D6T
Brand: Caterpillar (CAT)
Part Number: 323-9140, 3239140
Engine Type:C9 Tier III (Tier 3)
Top Compatible Models: 330D L, 336D2, D6T, 140M, 973D.
$399.00
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Product Highlights
Overview
| Brand | Caterpillar (CAT) |
|---|---|
| OEM P/N | 323-9140 |
| Top Compatible Models | 330D L, 336D2, D6T, 140M, 973D. |
Product Details
Premium 323-9140 Engine Sensor Wiring Harness for Caterpillar C9 Tier III Machinery
The 323-9140 Engine Wiring Harness is a specialized high-performance component engineered for the Caterpillar (CAT) C9 Tier III engine platform. In modern ACERT Tier III engines, the Electronic Control Module (ECM) relies on millisecond-perfect data from speed and position sensors to manage fuel injection. Our OEM New 323-9140 restores the critical data link required to prevent erratic RPM, “hunting” at idle, and “Engine Speed Signal Loss” fault codes that put your machine into limp mode.
I. Engineered for Extreme Industrial Environments
Built for machines like the 336D L Excavator or D6T Tractor, the 3239140 harness is designed to exceed original factory standards in harsh conditions:
- Advanced Shielding: Features anti-interference technology to prevent electromagnetic noise from disrupting sensitive Tier III sensor signals.
- Thermal Endurance: Encased in heavy-duty, flame-retardant looming that protects internal copper wiring from high ambient temperatures near the C9 engine block.
- Moisture-Tight Connectors: Fitted with premium rubber seals to block out water, oil, and dust, preventing the terminal oxidation that causes intermittent electrical failure.
II. Unrivaled Application Across the CAT Fleet
The 323-9140 is a highly versatile part, essential for a vast range of Caterpillar heavy equipment:
| Excavators & Prep | Direct replacement for 330D, 336D, 336D2 GC, 340D L, and 586C Site Prep Tractors. |
| Dozers & Loaders | Optimized for D6T, D6R III, D7R, and the 973D Track Loader. |
| Graders & Scrapers | Fits 140M, 160M, 14 Motor Graders, and 627G/637G Scrapers. |
| Specialized Gear | Supports Track Feller Bunchers (521B, 552) and 815F II/816F II Compactors. |
III. Total Confidence Service: VIN Verification
MANDATORY STEP: PREVENT LIMP MODE ERRORS
Caterpillar frequently updates electrical layouts based on manufacturing batches. To ensure a “Plug-and-Play” success:
- Data Submission: After placing your order, please provide your Vehicle Identification Number (VIN) or a clear photo of your machine’s VIN Data Plate.
- Database Cross-Check: Our team will cross-reference your serial number with the official CAT database to ensure exact compatibility.
- Warranty: Enjoy a full 12-month warranty on this factory-new, high-specification assembly.
IV. Why Source from Liuchuang Parts?
Reliability Over All
We prioritize your machine’s uptime, offering parts designed to stay out of the workshop and on the job site under grueling workloads.
OEM Specification
Our harnesses are factory-new assemblies, ensuring your machinery benefits from the latest electrical integrity updates from Caterpillar.
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