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Mishimoto Mishimoto LS Heater Core Bypass Hose Black
Mishimoto Mishimoto LS Heater Core Bypass Hose Black
Mishimoto Mishimoto LS Heater Core Bypass Hose Black
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Mishimoto LS Heater Core Bypass Hose Black

Mishimoto
MISMMHOSE-LSHB-BK
840197711743
Hoses
Out of stock
Fabrication, Hoses, Mishimoto
$ 35.00 $ 31.95

SKU: MMHOSE-LSHB-BK | UPC: 840197711743

Mishimoto LS Heater Core Bypass Hose Black for GM LS V8 (1997-2017 Corvette Camaro CTS-V)

Perfect for LS engine swaps or race cars without a heater core, the Mishimoto Silicone GM LS V8 Heater Core Bypass Hose Black delivers a clean, reliable bypass solution. This hose fits high-performance GM LS-powered vehicles like Chevrolet Camaro SS, Corvette Z06, and Cadillac CTS-V. Made from 5-layer silicone, it tapers precisely from 3/4-inch to 5/8-inch to match water pump ports, keeping coolant flowing for proper thermostat function and avoiding overheating.

Key Features

  • 5-Layer Silicone Construction: Handles extreme heat up to 350F and high pressure for durable performance in demanding LS builds
  • Precision Taper Design: 3/4-inch to 5/8-inch inner diameter fits directly to LS water pump heater inlet and outlet ports without adapters
  • Coolant Flow Maintenance: Bypasses heater core while allowing circulation to support thermostat operation and prevent hot spots
  • Sleek Black Finish: Matches modern engine bays for a professional look on street or track vehicles
  • Mishimoto Lifetime Warranty: Covers defects in materials and craftsmanship for peace of mind

Product Notes

  • Recommended for LS swaps into non-GM platforms or race cars deleting cabin heat
  • Use instead of port blockers to maintain full coolant system efficiency
  • Length approximately 8 inches for straightforward routing

Installation Notes

  • Professional installation recommended.
  • Slide over water pump heater ports and secure with included stainless steel clamps
  • Compatible with all GM Gen III/IV LS engines including LS1 LS2 LS3 LS7 LSA LSX

This Part Fits

Year Make Model Submodel
2008-2009 Buick LaCrosse Super
2006-2007,2009-2015 Cadillac CTS V
2010-2015 Chevrolet Camaro SS
2014-2015 Chevrolet Camaro Z/28
1998-2002 Chevrolet Camaro Z28
1998-2002 Chevrolet Camaro Z28 SS
2012-2015 Chevrolet Camaro ZL1
2013 Chevrolet Corvette 427
2008 Chevrolet Corvette 427 Limited Edition Z06
2003 Chevrolet Corvette 50th Anniversary Edition
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
1997-2013 Chevrolet Corvette Base
2010-2013 Chevrolet Corvette Grand Sport
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2006-2013 Chevrolet Corvette Z06
2011 Chevrolet Corvette Z06 Carbon
2009-2013 Chevrolet Corvette ZR1
2006-2009 Chevrolet Impala SS
2006-2007 Chevrolet Monte Carlo SS
2014-2017 Chevrolet SS Base
2005-2006 Chevrolet SSR Base
2006-2009 Chevrolet Trailblazer SS
1998-2002 Pontiac Firebird Formula
1998-2002 Pontiac Firebird Trans Am
2009 Pontiac G8 GXP
2005-2008 Pontiac Grand Prix GXP
2004-2006 Pontiac GTO Base
2008-2009 Saab 9-7x Aero

Why Choose Mishimoto?

  • Trusted brand for cooling components in LS engines worldwide
  • Premium 5-layer silicone resists cracking and bursting over time
  • Engineered taper and fitment tested for GM LS water pumps

Frequently Asked Questions

  • Q: Does this hose fit LS engines in swapped vehicles like Fox Body Mustang or drift cars?
    A: Yes, it connects directly to any GM Gen III or IV LS series water pump heater ports regardless of chassis
  • Q: What is the hose material and temperature rating?
    A: 5-layer reinforced black silicone rated to 350 degrees F continuous with burst pressure over 100 PSI
  • Q: What does the warranty cover and how do I claim it?
    A: Mishimoto Lifetime Warranty covers manufacturing defects. contact Mishimoto with proof of purchase for replacement

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 9 x 6 x 1 inches
  • Weight: 0.3 lbs

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