1991 GMC Topkick Heater Hoses, Pipes
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Mishimoto®Heater Core Bypass HoseGMC Topkick 6.0L 1991, Heater Core Bypass Hose by Mishimoto®. If you’re doing an LS swap, chances are you won’t be running a heater core in the platform you’re swapping. Whether you’re doing an LS swap or building your...Allows you to bypass heater coreBypassing instead of blocking water pump ports allows coolant to flow to thermostat and avoids overheating$25.95 - Dorman®HVAC Heater Hose ConnectorGMC Topkick 1991, HVAC Heater Hose Connector by Dorman®. Dorman’s HVAC Heater Hose Connector resists brittleness, cracking, and leaking. Made of high-quality materials, it weathers extreme temperatures from the engines coolant.Direct replacement for ease of installationReplace only the connector, not the entire Heater Hose assembly$9.64 - $37.33
- SKP®HVAC Heater Hose ConnectorGMC C5000 Topkick 1991, HVAC Heater Hose Connector by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....High quality at an affordable priceExpertly made from premium materials$6.48 - $13.07
- HPS®Black Heater Hose SetGMC Topkick 6.0L 1991, Black Heater Hose Set by HPS®. If you're looking for a high-grade replacement for your old and worn out rubber hose, this part is the way to go as it provides a precise fit and long lasting quality, maintaining...Direct fit for your vehiclePerfect for daily driving and racing applications$26.60
