$53.7
$70.88
CAT 231 9379 980H Transmission Wiring Harness is a network of electrical cables, connectors, and protective sleeves that link the transmission sensors, solenoids, and control unit in your machine. It’s responsible for sending accurate signals that help your loader shift gears, manage torque, and maintain smooth operation.The CAT 231 9379 harness is specifically designed for Caterpillar 980H wheel loaders, but also fits several other models in the same range, including the 966H, 972H, and 980G. It’s a direct Replacement For your factory harness, made to handle heat, vibration, oil exposure, and dust without degrading over time.Key Features Of CAT 231 9379 980H Transmission Wiring Harness1. OEM-Grade QualityThis CAT 231 9379 harness is manufactured following original Caterpillar specifications. Every connector, wire gauge, and plug is designed for a perfect fit and reliable connection — no modification needed.2. Durable Outer ProtectionThe harness is wrapped in a high-quality, heat-resistant protective sleeve. It resists wear, oil leaks, and harsh environments often found on construction, quarry, and mining sites.3. Plug-and-Play DesignNo rewiring or special tools required. Simply remove your old or damaged harness and plug in this one. It fits directly into the factory connectors, saving time during repairs or scheduled maintenance.4. Improved Transmission PerformanceA damaged wiring harness can cause transmission errors, erratic shifting, and even machine downtime. Installing a new CAT 231 9379 wiring harness ensures stable electrical signals, smoother gear shifts, and consistent transmission response.5. Extended LifespanBuilt using premium-grade copper conductors and sealed connectors, this harness is engineered for longevity. It maintains electrical integrity under extreme vibration, heat, and moisture exposure.Why Choose the CAT 231 9379 Wiring Harness for Your Loader?When it comes to replacement parts for heavy machinery, not all wiring harnesses are made equal. The CAT 231 9379 stands out for its reliability and precision engineering.Exact OEM Replacement: Matches the original Caterpillar harness perfectly.Reduced Downtime: Quick installation means less idle time on the job.Improved Efficiency: Ensures accurate signal transmission for better fuel economy and smoother operation.Long-Term Value: Resistant to corrosion, abrasion, and heat damage.Peace of Mind: Tested for electrical continuity and performance before shipping.Compatible ModelsThe CAT 231 9379 Transmission Wiring Harness is compatible with several Caterpillar wheel loader models, including:Caterpillar 980HCaterpillar 972HCaterpillar 966HCaterpillar 980G(Always verify your part number before ordering to ensure proper fit.)This harness also works as part of a broader system of Caterpillar transmission components, including sensors, control modules, solenoids, and yokes.Applications Of CAT 231 9379 980H Transmission Wiring HarnessThis wiring harness is used in:Heavy construction equipmentMining loadersQuarry and aggregate handlingIndustrial earthmoving operationsWhether you’re running a single loader or managing a full fleet, the CAT 231 9379 980H wiring harness helps you maintain top-level productivity and reliability.Technical SpecificationsSpecificationDetailsPart NumberCAT 231 9379Compatible ModelsCAT 980H, 966H, 972H, 980GCategoryTransmission Wiring HarnessMaterialHigh-quality copper wiring with heat-resistant insulationConnectorsOEM-style sealed connectorsUsageTransmission system wiring and signal controlConditionBrand new replacement partOriginManufactured to Caterpillar standardsSigns You Need a New Transmission Wiring HarnessNot sure if you need a replacement yet? Here are a few common warning signs that indicate your wiring harness might be failing:Transmission error codes are appearing on your diagnostic system.Gear shifting delays or harsh transitions while operating the loader.Intermittent loss of power to transmission components.Visible wire damage — cracks, burns, or corrosion near connectors.Unresponsive transmission solenoids due to poor electrical connectivity.Replacing a faulty harness with the CAT 231 9379 not only fixes these issues but can also prevent costly downtime and transmission damage.How To Install CAT 231 9379 980H Transmission Wiring Harness?Note: Always have an experienced technician handle electrical installations.Disconnect the machine’s battery power.Remove protective covers to access the existing transmission harness.Carefully disconnect each plug, noting their positions.Remove the damaged harness and clean the connection points.Plug in the new CAT 231 9379 harness following the same routing path.Secure it with the included clips or ties.Reconnect power and test the transmission system.With its plug-and-play design, most installations can be completed in under an hour, depending on machine access.Maintenance TipsInspect connections regularly: Dust and vibration can loosen connectors over time.Keep cables clean: Avoid oil buildup or dirt clogging near harness ends.Use protective sleeves: If working in extreme environments, add extra conduit protection.Schedule periodic checks: Preventive maintenance keeps wiring issues from escalating.Frequently Asked QuestionsIs this CAT 231 9379 wiring harness genuine or aftermarket?This product is a high-quality replacement part built to OEM specifications. It’s fully compatible with Caterpillar 980H and related models, ensuring the same performance and fit as the original.How do I confirm if it fits my loader?Check the part number on your existing harness or consult your machine’s service manual. If it lists CAT 231 9379, this harness is the correct replacement.Can I install it myself?If you’re experienced with machinery wiring and safety procedures, yes. However, professional installation is recommended to ensure correct routing and connection.Does this harness include connectors and clips?Yes, it comes with factory-style connectors and mounting clips, allowing an easy, plug-and-play installation.Is it compatible with CAT 966H and 972H?Yes, it’s designed for Caterpillar 980H, but also fits 966H, 972H, and 980G loaders depending on the transmission system variant.How long will this wiring harness last?With proper installation and regular maintenance, the CAT 231 9379 harness can last for years, even in demanding Australian worksites.You Might Also Need These Products:354-0049 Motor Kabelboom 354-0049 3540049 239-5929 Voor Caterpillar 3406E 3456 365C 385C 390D 5090B Graafmachine C15 c18
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