Cummins 3977157 Wiring Harness – OEM Tier 3 5.9L ISB/QSB Engine Harness
Cummins 3977157 Wiring Harness – OEM Tier 3 5.9L ISB/QSB Engine Harness is backordered and will ship as soon as it is back in stock.
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Description and Details
Description and Details
The Cummins 3977157 Wiring Harness is a genuine OEM harness designed for Tier 3 5.9L ISB and QSB engines. Engineered for secure electrical connectivity and accurate signal transmission, this harness is built to withstand the harsh operating conditions of marine, industrial, and diesel engine environments.
Constructed with heavy-duty, corrosion-resistant materials, the 3977157 harness provides dependable performance, durability, and OEM-level compatibility. Whether you’re replacing a worn harness or performing scheduled maintenance, this part ensures your Cummins engine maintains peak reliability and efficiency.
Key Features:
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Genuine Cummins OEM Part
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Part Number: 3977157
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Wiring harness for Tier 3 5.9L ISB / QSB engines
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Provides secure, accurate electrical connections
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Built for long-lasting durability in harsh environments
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OEM fit and finish for simple installation and reliable performance
Applications:
✔ Designed for Cummins Tier 3 5.9L ISB and QSB engines requiring wiring harness 3977157
Trust Cummins OEM harnesses for precision engineering, proper fit, and long-term reliability.
Cummins 3977157 Wiring Harness – OEM Tier 3 5.9L ISB/QSB Engine Har...
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Product Disclosure – Scenic City Supply
Scenic City Supply is an independent liquidation company. We are a secondary seller of products and are not affiliated with, sponsored by, or authorized by any product manufacturer. All trademarks, brand names, model numbers, and logos mentioned are the property of their respective owners and are used strictly for identification and compatibility purposes.
Scenic City Supply’s inventory comes from multiple sources, including but not limited to surplus, liquidation, closeouts, overstock, and insurance-loss merchandise. All products are new, OEM, and unused unless otherwise stated. As a liquidator, some items may show cosmetic imperfections such as tarnish, discoloration, or minor surface wear. These conditions do not affect the function, performance, or integrity of the product.
Packaging may be damaged, show signs of storage, or be replaced for safe delivery. The sale of this product by Scenic City Supply is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser. Any applicable warranties or guarantees will be disclosed in writing at the time of sale.
Every item is opened and inspected prior to shipment to confirm quality and accuracy. If you are not fully satisfied with your purchase, you may return it within 30 days in its original packaging for a full refund.
