VOLVO 20459203 Oil Cooler Gasket - B2B Wholesale Supplier

Stop destructive coolant-oil mixing and fluid leaks with our Premium 20459203 Engine Oil Cooler Gaskets for VOLVO EC210B, EC210D, and EC220D excavators. Get direct factory pricing, bulk B2B discounts, and fast global air express shipping from China's leading mechanical sealing networks supplier today!

Technical Specifications: Genuine VOLVO Oil Cooler Sealing Gasket (20459203)

Genuine VOLVO Oil Cooler Sealing Gasket (20459203) — Premium Fluid Isolation Solution

The Genuine VOLVO Oil Cooler Sealing Gasket (P/N: 20459203 / VOE20459203) is a critical fluid isolation barrier engineered for VOLVO D4D, D6D, D6E, and D6J diesel engines. Installed within the oil cooler module, it completely separates high-pressure engine oil from the radiator coolant. Replacing a worn gasket prevents fluid cross-mixing, pipeline blockage, and severe bearing damage.

Fluid Isolation Boundary: Pressurized Engine Oil ← 20459203 Isolation Barrier → Engine Radiator Coolant

1. Core Engineering Advantages

  • High-Temperature Elastomer: Resists cracking, hardening, and embrittlement under continuous high-thermal oil exposure.

  • Dual-Fluid Chemical Resistance: Maintains structural integrity against synthetic lubricants, anti-wear additives, and heavy-duty glycol coolants.

  • Strong Elastic Rebound: Provides a tight, durable face-seal against cast surfaces to adapt to thermal expansion and engine vibration.

  • Precision Port Layout: Matches original housing channels perfectly, ensuring unrestricted fluid flow without extrusion failures.

2. Technical Specifications Matrix

Technical ParameterSpecification Details
Main Part Number20459203 / VOE20459203
Product TypeEngine Oil Cooler Module Sealing Profile Gasket
Applicable MediaHigh-pressure engine oil, ethylene glycol coolant, oil vapor
Main MaterialHeat-stabilized high-performance synthetic elastomer
Functional PerformancePrevents fluid cross-leakage, resists deformation and softening failure

3. Applicable Machine Models

This premium oil cooler profile seal is tailored for VOLVO medium-range crawler excavators:

  • Crawler Excavators: EC135B, EC140B, EC140D, EC160D, EC180D, EC200B, EC200E, EC210B, EC210B Prime, EC210D, EC210E, EC220D, EC220E

4. Common Failure Symptoms

  • Milky Coolant Mixture: A muddy, yellowish-milky sludge appears inside the radiator expansion tank, indicating oil has breached the cooling line.

  • External Joint Seepage: Oil or coolant weeps around the oil cooler mounting housing, attracting dust and grime.

  • Abnormal Fluid Levels: Engine oil turns cloudy/milky; engine oil level drops while the cooling water level rises abnormally.

5. B2B Procurement Strategy for Parts Managers

Procurement Advisory:
Because accessing the oil cooler module requires high labor and tear-down time, low-grade aftermarket seals carry huge failure risks. Unqualified seals soften prematurely, leading to engine contamination. It is highly recommended to stock genuine 20459203 gaskets. Combine this seal with cylinder head gaskets, manifold seals, and turbocharger O-rings to assemble complete "Top-End Engine Overhaul Kits," optimizing B2B wholesale orders.

6. Commercial Inquiry & Logistics

  • Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.

  • Contact Support: +86 13701956981 | Email: [email protected]

  • Logistics & Service: Global Sea Freight (FCL/LCL), industrial express ready, rapid customs clearance, and precise engine model verification.

All machine models are for compatibility reference only. This original-spec oil cooler gasket prevents cross-contamination, safeguards engine lubrication, and extends overall service life. Contact us today to secure your wholesale volume pricing!

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