Thermostat Bypass Pipe - GM (12590279)

1995-2005 GM - 12590279

Thermostat Bypass Pipe - GM (12590279)

1995-2005 GM - 12590279

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12590279
  • 10182341

Details

  • Brand:

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

  • SKU:

    12590279

  • Positions: Rear
  • Other Names:

    By-Pass Pipe

  • Description:

    Upgrade your GM vehicle's cooling system with the Genuine GM OEM Thermostat Bypass Pipe (MPN: 12590279), engineered for 3.1L, 3.4L, and 3.5L engines across multiple model years. This critical bypass pipe directs coolant flow to your intake manifold and oil cooler, maintaining optimal engine temperature and preventing overheating. Designed to meet General Motors' strict OE safety and performance standards, this genuine part ensures your vehicle operates at peak efficiency compared to aftermarket alternatives. - Genuine OEM thermostat bypass pipe designed and tested by General Motors to factory specifications - Direct fit for 1997-2000 3.1L engines, 2001-2004 3.4L and 3.5L rear applications, and 2001-2006 3.4L engines with oil cooler systems - Manages coolant circulation to intake manifold and oil cooler for precise engine temperature control - Compatible with select General Motors vehicles requiring this specific bypass configuration - Authentic GM original equipment part backed by General Motors warranty and quality assurance

  • Condition: New
  • Notes: Part number is for 25 ft. roll of hose.
  • Replaces:

    10182341

  • MSRP: $91.76
  • Discount: $39.50 (43% off)
  • Sale Price: $52.26
OR
Ships To

Packages shipped within the U.S. and Puerto Rico will automatically be protected from any loss, damage, and theft. Learn More

Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products
Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12590279
  • 10182341

Details

  • Brand:

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

  • SKU:

    12590279

  • Positions: Rear
  • Other Names:

    By-Pass Pipe

  • Description:

    Upgrade your GM vehicle's cooling system with the Genuine GM OEM Thermostat Bypass Pipe (MPN: 12590279), engineered for 3.1L, 3.4L, and 3.5L engines across multiple model years. This critical bypass pipe directs coolant flow to your intake manifold and oil cooler, maintaining optimal engine temperature and preventing overheating. Designed to meet General Motors' strict OE safety and performance standards, this genuine part ensures your vehicle operates at peak efficiency compared to aftermarket alternatives. - Genuine OEM thermostat bypass pipe designed and tested by General Motors to factory specifications - Direct fit for 1997-2000 3.1L engines, 2001-2004 3.4L and 3.5L rear applications, and 2001-2006 3.4L engines with oil cooler systems - Manages coolant circulation to intake manifold and oil cooler for precise engine temperature control - Compatible with select General Motors vehicles requiring this specific bypass configuration - Authentic GM original equipment part backed by General Motors warranty and quality assurance

  • Condition: New
  • Notes: Part number is for 25 ft. roll of hose.
  • Replaces:

    10182341

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

Product Reviews

Ask Our Team

Londoff Discount Parts

Order your Thermostat Bypass Pipe (12590279) today and have it in your hands in a matter of days. Your Thermostat Bypass Pipe will be backed by a warranty and guaranteed to fit your 1995-2005 vehicle. 

OEM parts at great prices. That is what we stand for.

Shop OEM parts by model and catalog by first selecting your make below:

| Buick | Cadillac | Chevrolet | GMC |

| Hummer | Oldsmobile | Pontiac | Saturn |