Heating and Cooling› Thermostats, Housings and Fillers
Dorman
5/8" HEATER BYPASS CAPS
SKU: D00I 493-100
Description
Dorman cooling bypass caps are ideal for sealing off coolant lines and hoses. They provide a tight fit to prevent leaks and are constructed from durable, heat-resistant vinyl. These caps are also suitable for capping lines and hoses during testing. They are sold as a set of five. Some parts may not be legal for use in California or other states with similar laws.
Fitment
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Specifications
| Brand | Dorman |
| Part Number | D00I 493-100 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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