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20459168 Viton Crankshaft Radial Oil Seal, Volvo D4D D6E D4H D4J EC140D EC210B Excavator

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  2. 20459168 Viton Crankshaft Radial Oil Seal, Volvo D4D D6E D4H D4J EC140D EC210B Excavator
20459168 Viton Crankshaft Radial Oil Seal, Volvo D4D D6E D4H D4J EC140D EC210B Excavator

Stop destructive crankcase oil leaks and protect your engine powertrain with our Premium Heavy-Duty Crankshaft Radial Oil Seal 20459168 (21496591). Molded from advanced high-temperature Viton elastomer with a built-in hydrodynamic pumping lip and dust shield for VOLVO EC140D, EC210B, and EC220E excavators, it ensures a leak-free seal. Factory-direct B2B wholesale pricing with fast air express international shipping. Contact our sales engineering support team today with your engine model for bulk tiered quotes!

VOLVO 20459168 Crankshaft Radial Oil Seal Specification

Genuine VOLVO Crankshaft Radial Oil Seal 20459168

Product Overview: The Genuine VOLVO Crankshaft Radial Oil Seal (P/N: 20459168 / VOE20459168 / 21496591) is a high-precision rotary fluid barrier engineered for inline diesel engines. Press-fitted onto the front or rear end of the crankshaft, it locks lubrication oil inside the crankcase while blocking external dust and environmental debris.

1. Core Technical Advantages

  • High-Grade FKM Viton Material: Delivers outstanding thermal and oil corrosion resistance, preventing structural cracking during continuous high-temperature engine cycles.

  • Hydrodynamic Pumping Lip: Features a precise spiral groove profile that actively redirects escaping oil back into the crankcase during shaft rotation.

  • Dual Dust Protection: Built with an integrated outer wiper lip to screen out sand, dirt, and dust, safeguarding the primary sealing edge from abrasive wear.

  • Constant Tension Spring: A heavy-duty stainless steel garter spring provides continuous, uniform retention force against shaft vibration and deflection.

2. Technical Specifications Matrix

Engineering ParameterTechnical Data & Specification Details
Genuine OEM Part Numbers20459168 / VOE20459168 / 21496591
Product ClassificationFront & Rear Crankshaft Rotary Lip Oil Seal
Applicable MediaMineral & synthetic engine oil, crankcase blow-by gas
Main Sealing MaterialHigh-temperature resistant FKM Viton elastomer
Tension ComponentAnti-rust stainless steel garter spring
Outer ShellThick carbon steel reinforced rigid housing

3. Master Application Fleet Guide

This universal oil seal fits a wide range of VOLVO infrastructure and mining machinery:

  • Mid-size Crawler Excavators: EC135B, EC140B, EC160B, EC180D, EC200B, EC210B, EC210B Prime

  • Tier 4 Common Rail Excavators: EC210E, EC220D, EC220E

  • Wheeled Excavators: EW140D

4. Common Failure Symptoms

  • Continuous Oil Dripping: Oil seeps from the timing gear cover or flywheel housing due to a brittle or cracked sealing lip.

  • Elevated Oil Consumption: Crankcase oil level drops rapidly, risking low oil pressure alerts.

  • Grimy Build-up at Crank Pulley: Oil-soaked sludge blankets the crankshaft pulley, increasing the risk of grit invading the engine interior.

Standard Installation Guidelines:
After removing the auxiliary pulleys or flywheel, use a dedicated puller to extract the old seal without scratching the shaft. Ensure the mounting bore is clean. If the shaft exhibits a wear groove, fit a matching repair sleeve. Press the new 20459168 seal into position dry, applying uniform vertical pressure with a dedicated installer to prevent skewing.

5. B2B Procurement Strategy

Crankshaft seal replacement requires labor-intensive engine teardowns. To avoid premature leaks and repeat downtime, stocking genuine OEM 20459168 seals is essential. Distributors should bundle this radial seal with engine gasket sets, accessory drive belts, and vibration dampers to provide a complete maintenance solution.

6. Global Brand Cross-Reference Matrix

Brand DesignationCross-Reference Part Information
VOLVO Original Part No.20459168 / VOE20459168
Interchangeable Part No.21496591 / VOE21496591
SupplierXuzhou Sinoswift Import & Export Co., Ltd.
Contact+86 13701956981 / [email protected]

Note: All equipment manufacturer names, logos, and models are for compatibility reference only.

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