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By-Pass Pipe Seal - GM (12658352)

2017-2026 GM - 12658352

By-Pass Pipe Seal - GM (12658352)

2017-2026 GM - 12658352

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12658352

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12658352

  • Positions: Upper
  • Other Names:

    By-Pass Pipe Upper Seal, Seal

  • Description:

    Genuine GM OEM part number 12658352 is a Thermostat Bypass Pipe Seal engineered for 6.6L Duramax Diesel engines found in heavy-duty Chevrolet Silverado and GMC Sierra trucks. This critical cooling system component seals the connection between the thermostat bypass pipe and thermostat housing, preventing coolant leaks and maintaining proper engine temperature regulation. Perfect for owners seeking authentic GM replacement seals for their 2500HD and 3500HD models. - Genuine OEM thermostat bypass pipe seal designed for authentic cooling system repair and maintenance - Direct fitment for Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD with 6.6L Duramax Diesel engines - Seals the thermostat bypass pipe connection to prevent coolant system leaks and engine overheating - Compatible with select GM heavy-duty diesel truck models; verify year and specific model fitment before purchase - Factory-original GM OEM component manufactured to exact equipment specifications for reliable performance

  • Condition: New
  • Notes: Included with by-pass pipe.
  • MSRP: $9.26
  • Discount: $3.74 (40.4% off)
  • Sale Price: $5.52
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12658352

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12658352

  • Positions: Upper
  • Other Names:

    By-Pass Pipe Upper Seal, Seal

  • Description:

    Genuine GM OEM part number 12658352 is a Thermostat Bypass Pipe Seal engineered for 6.6L Duramax Diesel engines found in heavy-duty Chevrolet Silverado and GMC Sierra trucks. This critical cooling system component seals the connection between the thermostat bypass pipe and thermostat housing, preventing coolant leaks and maintaining proper engine temperature regulation. Perfect for owners seeking authentic GM replacement seals for their 2500HD and 3500HD models. - Genuine OEM thermostat bypass pipe seal designed for authentic cooling system repair and maintenance - Direct fitment for Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD with 6.6L Duramax Diesel engines - Seals the thermostat bypass pipe connection to prevent coolant system leaks and engine overheating - Compatible with select GM heavy-duty diesel truck models; verify year and specific model fitment before purchase - Factory-original GM OEM component manufactured to exact equipment specifications for reliable performance

  • Condition: New
  • Notes: Included with by-pass pipe.

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

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Order your By-Pass Pipe Seal (12658352) today and have it in your hands in a matter of days. Your By-Pass Pipe Seal will be backed by a warranty and guaranteed to fit your 2017-2026 vehicle. 

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