Mishimoto Silicone GM LS V8 Heater Core Bypass Hose, Black

★★★★★ 4.8 48 reviews

$30.85
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$30.85
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 215228181 Release Date 2026/04/12 List Price $12.34 Model Number 215228181
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Whether you’re doing an LS swap or building your LS-powered racecar, the Mishimoto Silicone GM LS V8 Heater Core Bypass Hose is the easiest and cleanest solution for bypassing your heater core. Our bypass hose is constructed from heat and pressure resistant 5-layer silicone and tapers from 3/4"" to 5/8” to fit the “in” and “out” ports on your water pump. Bypassing the heater core with a bypass hose is the preferred method, as opposed to blocking off the ports. This allows coolant to flow for your thermostat to function properly and avoid overheating. As with all our products, the Mishimoto Silicone GM LS V8 Heater Core Bypass Hose is backed by our signature Mishimoto Lifetime Warranty.

  • Fits all GM LS engines
  • Allows you to bypass heater core
  • Bypassing instead of blocking water pump ports allows coolant to flow to thermostat and avoids overheating
  • 5-layer silicone construction is heat and pressure resistant to provide a durable, long-lasting solution
  • Tapers from 3/4" to 5/8” for a perfect fit
UPC 840197711743
Color Black, Blue, Red
Brand Name Mishimoto
Unit Count 1 Count
Item Length 1.5 Inches
Item Weight 4.96 ounces
Manufacturer Mishimoto
Material Type Silicone
Item Type Name Mishimoto Silicone GM LS V8 Heater Core Bypass Hose, Black
Outside Diameter 0.75 Inches
Included Components (1) Silicone Heater Core Bypass Hose, (2) Worm gear clamps, Mishimoto Lifetime Warranty
Item Dimensions L x W 0.75"L x 0.63"W
Nominal Wall Thickness 2 millimeters
Manufacturer Warranty Description Mishimoto Lifetime Warranty
Global Trade Identification Number 00840197711743

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4.8 out of 5
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48 ratings | 20 reviews
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