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Front & Rear Crankshaft Oil Seal 245-7339 285-4073 for Caterpillar Engine C9 C-9

Front & Rear Crankshaft Oil Seal 245-7339 285-4073 for Caterpillar Engine C9 C-9

Front & Rear Crankshaft Oil Seal 245-7339 285-4073 for Caterpillar Engine C9 C-9Product OverviewEnsure the longevity and optimal performance of your Caterpillar C9 or C-9 engine with our high-quality

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Product Detail

Front & Rear Crankshaft Oil Seal 245-7339 285-4073 for Caterpillar Engine C9 C-9

Product Overview

Ensure the longevity and optimal performance of your Caterpillar C9 or C-9 engine with our high-quality Front and Rear Crankshaft Oil Seals. These critical components, with part numbers 245-7339 (Front) and 285-4073 (Rear), are designed to provide a precise fit and superior sealing capability, preventing oil leaks that can lead to engine damage and costly downtime. Manufactured to meet stringent quality standards, these seals are essential for maintaining proper engine lubrication and protecting internal components from contaminants.

Product Parameters

Part Numbers: 245-7339 (Front), 285-4073 (Rear)
Component Type: Crankshaft Oil Seal Set (Front & Rear)
Engine Compatibility: Caterpillar C9, Caterpillar C-9
Function: Prevents oil leakage from the front and rear ends of the crankshaft.
Material: High-quality, durable sealing compounds designed for engine environments.

Key Advantages & Selling Points

Precision Fit: Engineered specifically for Caterpillar C9/C-9 engines, ensuring optimal sealing.
Durable Construction: Made from robust materials resistant to heat, oil, and engine vibrations.
Leak Prevention: Effectively seals the crankshaft ends, maintaining proper oil levels and pressure.
Engine Protection: Prevents contaminants from entering the engine via the crankshaft ends.
Extended Engine Life: By preventing leaks and protecting the engine, these seals contribute to longer engine lifespan and reduced maintenance costs.

Applicable Equipment

These crankshaft oil seals are specifically designed for use with Caterpillar C9 and C-9 engines, commonly found in a wide range of Caterpillar heavy equipment and industrial applications, including but not limited to:

Excavators: Cat 330C, 330D, 336D
Dozers: Cat D6R, D6T, D7R, D7E
Wheel Loaders: Cat 950H, 962H
Motor Graders: Cat 12H, 12M, 140H, 140M
Off-Highway Trucks: Cat 725, 730
Industrial Engines: Various C9/C-9 configurations for power generation, industrial pumps, etc.

Application Scenarios & Case Analysis

Caterpillar equipment powered by the C9/C-9 engine operates in demanding environments where component reliability is paramount. Crankshaft seals play a vital role in these applications:

Construction Sites: Excavators and dozers work long hours under heavy loads and dusty conditions. A failing seal can lead to significant oil leaks, potentially causing engine overheating or component wear due to insufficient lubrication. Using reliable 245-7339 and 285-4073 seals ensures engine integrity, preventing unexpected breakdowns and keeping projects on schedule.

Mining Operations: Off-highway trucks and loaders face extreme conditions, including heavy vibration and temperature fluctuations. A compromised seal in this scenario risks catastrophic engine failure far from maintenance facilities, resulting in massive operational losses. Quality seals are a small investment compared to the cost of such failures and associated recovery efforts.

Power Generation: C9 engines are used in generator sets where continuous, reliable power is essential. A minor oil leak from a crankshaft seal can escalate, potentially leading to a shutdown of critical power supply. Proactive replacement with genuine-quality seals during routine maintenance ensures uninterrupted operation and prevents costly service calls or power outages.

Related & Similar Products

Customers purchasing crankshaft seals often require other related engine components. We offer a comprehensive range of parts for Caterpillar engines, including:

Other Engine Seals & Gaskets: For oil pans, valve covers, timing covers, etc., applicable to C9/C-9 and other Cat engines (C7, C11, C13, C15, etc.).
Crankshaft Bearings: Main bearings and connecting rod bearings for C9/C-9 engines.
Engine Rebuild Kits: Comprehensive kits including pistons, liners, rings, bearings, and gaskets for C9/C-9 and other models.
Filters: Oil filters, fuel filters, air filters compatible with C9/C-9 and other Cat equipment.

Please browse our catalog for specific part numbers and applications for your Caterpillar equipment.

Installation & Maintenance Tips

Proper installation is crucial for the performance and longevity of crankshaft seals. Here are common issues and solutions:

Issue: Seal lip damage during installation.
Solution: Use the correct installation tool (if available) or a smooth, non-sharp object to gently guide the seal over the crankshaft end. Lubricate the seal lip and crankshaft journal lightly with clean engine oil before installation.
Issue: Leaking after installation due to surface contamination.
Solution: Ensure both the seal bore in the engine block/cover and the crankshaft journal surface are perfectly clean and free of old seal material, dirt, or nicks before installing the new seal.
Issue: Seal failure due to worn crankshaft surface (groove).
Solution: Inspect the crankshaft journal surface for wear grooves from the old seal. If a significant groove is present, the crankshaft may need to be replaced or repaired (e.g., with a repair sleeve) before installing a new seal.
Issue: Incorrect seal orientation.
Solution: Pay close attention to the direction the old seal was installed. New seals often have markings or a specific design indicating the correct orientation relative to the engine side. Install the new seal in the same direction.

For best results, we highly recommend professional installation by qualified technicians familiar with Caterpillar engines.

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Product Detail

Front & Rear Crankshaft Oil Seal 245-7339 285-4073 for Caterpillar Engine C9 C-9

Product Overview

Product Parameters

Part Numbers: 245-7339 (Front), 285-4073 (Rear)
Component Type: Crankshaft Oil Seal Set (Front & Rear)
Engine Compatibility: Caterpillar C9, Caterpillar C-9
Function: Prevents oil leakage from the front and rear ends of the crankshaft.
Material: High-quality, durable sealing compounds designed for engine environments.

Key Advantages & Selling Points

Precision Fit: Engineered specifically for Caterpillar C9/C-9 engines, ensuring optimal sealing.
Durable Construction: Made from robust materials resistant to heat, oil, and engine vibrations.
Leak Prevention: Effectively seals the crankshaft ends, maintaining proper oil levels and pressure.
Engine Protection: Prevents contaminants from entering the engine via the crankshaft ends.
Extended Engine Life: By preventing leaks and protecting the engine, these seals contribute to longer engine lifespan and reduced maintenance costs.

Applicable Equipment

Excavators: Cat 330C, 330D, 336D
Dozers: Cat D6R, D6T, D7R, D7E
Wheel Loaders: Cat 950H, 962H
Motor Graders: Cat 12H, 12M, 140H, 140M
Off-Highway Trucks: Cat 725, 730
Industrial Engines: Various C9/C-9 configurations for power generation, industrial pumps, etc.

Application Scenarios & Case Analysis

Caterpillar equipment powered by the C9/C-9 engine operates in demanding environments where component reliability is paramount. Crankshaft seals play a vital role in these applications:

Related & Similar Products

Customers purchasing crankshaft seals often require other related engine components. We offer a comprehensive range of parts for Caterpillar engines, including:

Other Engine Seals & Gaskets: For oil pans, valve covers, timing covers, etc., applicable to C9/C-9 and other Cat engines (C7, C11, C13, C15, etc.).
Crankshaft Bearings: Main bearings and connecting rod bearings for C9/C-9 engines.
Engine Rebuild Kits: Comprehensive kits including pistons, liners, rings, bearings, and gaskets for C9/C-9 and other models.
Filters: Oil filters, fuel filters, air filters compatible with C9/C-9 and other Cat equipment.

Please browse our catalog for specific part numbers and applications for your Caterpillar equipment.

Installation & Maintenance Tips

Proper installation is crucial for the performance and longevity of crankshaft seals. Here are common issues and solutions:

Issue: Seal lip damage during installation.
Solution: Use the correct installation tool (if available) or a smooth, non-sharp object to gently guide the seal over the crankshaft end. Lubricate the seal lip and crankshaft journal lightly with clean engine oil before installation.
Issue: Leaking after installation due to surface contamination.
Solution: Ensure both the seal bore in the engine block/cover and the crankshaft journal surface are perfectly clean and free of old seal material, dirt, or nicks before installing the new seal.
Issue: Seal failure due to worn crankshaft surface (groove).
Solution: Inspect the crankshaft journal surface for wear grooves from the old seal. If a significant groove is present, the crankshaft may need to be replaced or repaired (e.g., with a repair sleeve) before installing a new seal.
Issue: Incorrect seal orientation.
Solution: Pay close attention to the direction the old seal was installed. New seals often have markings or a specific design indicating the correct orientation relative to the engine side. Install the new seal in the same direction.