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Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to find OE seals and
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2001-2019 | Chevrolet | Silverado 2500 HD | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2001-2006 | Chevrolet | Silverado 3500 | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007 | Chevrolet | Silverado 3500 Classic | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007-2019 | Chevrolet | Silverado 3500 HD | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2001-2019 | GMC | Sierra 2500 HD | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007 | GMC | Sierra 2500 HD Classic | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2001-2006 | GMC | Sierra 3500 | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007 | GMC | Sierra 3500 Classic | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
| 2007-2019 | GMC | Sierra 3500 HD | Confirm engine, drivetrain, body configuration, factory equipment, and connector or mounting details |
Specifications
| Brand | Fleece Performance |
|---|---|
| Manufacturer Part Number | FPE-HAR-GM-LCT-SEAL |
| Product Type | Wiring Harnesses |
| Condition | New |
What's Included
One new Fleece Performance product identified by manufacturer part number FPE-HAR-GM-LCT-SEAL. Additional fittings, fluids, hoses, wiring, tuning, tools, and hardware are included only when expressly stated for this exact part number.
About Fleece Performance
Fleece Performance Engineering develops diesel fuel-system, turbocharger, cooling, valvetrain, engine, and electrical components for Cummins, Duramax, Power Stroke, and related applications. Correct selection depends on the exact part number and complete application details.
Related Fleece Performance Products
- Shop all Fleece Performance products
- Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Fuel Pressure Regulator Wiring Harness
- Fleece Performance 01-07 GM Duramax/11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit
- Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black
Frequently Asked Questions
How do I confirm Fleece Performance FPE-HAR-GM-LCT-SEAL fits?
Match every year, make, model, and application note in the fitment table. Confirm engine, drivetrain, body configuration, factory equipment, connectors, and any exclusions before ordering.
What is included with Fleece Performance FPE-HAR-GM-LCT-SEAL?
The listing includes only the components stated in the What's Included section. Related fittings, wiring, fluids, tools, and supporting parts are not included unless expressly listed.
Does installation require tuning or additional parts?
Requirements vary by application. Confirm tuning, calibration, fluids, seals, fittings, wiring, specialty tools, and supporting modifications before installation.
Installation Instructions
- Verify the exact application and inspect every included component before installation.
- Follow the current Fleece Performance instructions for the exact part number, including all torque, sealing, wiring, fluid, clearance, priming, and calibration requirements.
- Check for leaks, fault codes, abnormal operation, and loose connections after startup and again after the initial drive.
Fleece Performance
Shop Fleece Performance diesel turbochargers, lift pumps, injection pumps, fuel-filter systems, cooling upgrades, engine components, sensors, pigtails, and installation hardware at Black Ops Auto Works. This collection supports select Ram Cummins, Chevrolet and GMC Duramax, and Ford Power Stroke applications, along with universal diesel fuel and electrical service components. Fleece Performance parts are highly application-specific. Correct fitment can depend on the production date, engine code, chassis, cab and bed configuration, fuel-system design, turbocharger, factory wiring, and existing modifications. Use the complete Fleece manufacturer part number and current application notes before ordering. Fleece Performance Cheetah Turbochargers Fleece Performance offers Cheetah turbocharger upgrades for selected Cummins, Duramax, and Power Stroke engines. The broader turbo catalog also includes installation kits, actuators, sensors, exhaust-pressure components, fittings, coolant lines,...
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Wiring Harnesses
Wiring harnesses, pigtails, adapters, and electrical connectors for repair, engine management, gauges, fans, sensors, ignition, fuel, and charging systems are stocked at Black Ops Auto Works. Shop plug-and-play harnesses, sensor pigtails, extension harnesses, fan harnesses, ECU adapters, injector connectors, oxygen sensor extensions, and electrical repair components. Every product is filterable by year, make, model, trim, engine, and drivetrain. The catalog covers domestic, import, diesel, off-road, racing, engine swap, and standalone ECU applications. What This Wiring Harnesses Collection Covers Vehicle specific and universal electrical parts A wiring harness organizes protected conductors and sealed connectors for a defined vehicle or component application. This collection includes replacements and adapters for sensors, fuel injectors, fans, gauges, lighting, charging, ignition, and engine management. Sensor Pigtails and Connector Repairs Restore reliable electrical signals He...
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