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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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