| GM GENUINE 12703149 Specifications |
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| Branch 1 Inside Diameter (IN) | 0.47 | | Branch 1 Inside Diameter (mm) | 12 | | Branch 1 Outside Diameter (IN) | 0.7 | | Branch 1 Outside Diameter (MM) | 17.8 | | Clamps Included | Yes | | Color | Black | | Coolant Hose Color | Black | | Coolant Hose Heat Shield Included | No | | Coolant Hose Type | Branched | | End 1 Type | Straight | | End 2 Type | Barbed | | Hose End 1 Inside Diameter (IN) | 0.59 | | Hose End 1 Inside Diameter (MM) | 15 | | Hose End 1 Outside Diameter (IN) | 0.87 | | Hose End 1 Outside Diameter (MM) | 22 | | Hose End 2 Inside Diameter (IN) | 0.75 | | Hose End 2 Inside Diameter (mm) | 19 | | Hose End 2 Outside Diameter (IN) | 1.26 | | Hose End 2 Outside Diameter (MM) | 32 | | Hose Outside Diameter (IN) | 1.02 | | Hose Outside Diameter (MM) | 26 | | Inside Diameter (IN) | 0.75 | | Inside Diameter (MM) | 19 | | Material | Rubber | | Mounting Bracket Included | No | | Volume (cu in) | 180.08cu in |
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ACDelco GM Original Equipment Engine Oil Cooler Line carry hot engine oil away from the engine to an external cooler, where it is cooled and then cycled back to the engine, and are GM-recommended replacements for your vehicle's original components. These original equipment oil cooler lines have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Features & Benefits:
- Helps prevent excessive engine oil temperatures to limit oil break down by oxidation
- Uses proper connections to help guard against leaks and corrosion
- GM-recommended replacement part for your GM vehicle's original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
 Signs it is Time to Replace Your Heater Hose(s) Prevent system contamination and coolant leaks that could cause your engine to overheat by checking for these common signs of Heater Hose damage / failure:
| INTERNAL DAMAGE |
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Soft / mushy hose ends, usually about 2 inches from the clamp.
 Internally Damaged Hose |
| LEAKAGE |
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Moisture, drips or coolant bleed marks on or around the hose clamps, connectors or hose.
 Leaking Hose |
| HEAT DAMAGE |
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Slight swelling, or a hardened, glossy cover that is covered with cracks.
 Heat Damaged Hose |
| OZONE DAMAGE |
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Tiny, parallel cracks in the cover, usually at hose bends.
 Ozone Damaged Hose |
| ABRASION DAMAGE |
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Rubbing marks on, or damage to the hose cover.
 Abrasion Damaged Hose |
| OIL CONTAMINATION |
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Soft or spongy to the touch - bulges and swelling are readily apparent.
 Oil Contaminated Hose |
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Warranty Information:24 Month / Unlimited Mile Warranty |
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