| HandI LLC -- Offers auto trash bag, pocket board, and seat strap. |
| Harrys Hot-Rod -- Sells cooling, driveline, suspension, ignition, and lighting parts for cars and trucks. |
| Hella North America, Inc. -- Automotive lighting and electronics, OEM and aftermarket supplier. |
| Helton -- Sells heat exchangers for hot showers and water supply, designed for camping enthusiasts. |
| Hi Volume -- Offers car audio and performance products. Includes help for new customers and ordering details. |
| Hi-Way Oil Service Inc. -- Small selection of accessories for sale online. |
| Hitch Aligner -- Offers a trailer-aligning tool. |
| Honest Johns -- Suppliers of quality tools, parts, entertainment and car care products. |
| HSW Auto Tools -- Specializing in automotive repair tools of all types. |
| Hutchins Automotive Supply -- Over 1.2 million auto, truck, van and SUV parts and accessories. |
| Hydrogen-Boost -- Offers a gas mileage enhancement system based on hydrogen gas generator. |
| Hyperformance Automotive Center -- Offers air intakes, drive train, electronics, lighting, suspension, and fuel and components for sports compact, truck and domestic models. |
