It’s no secret that the factory heaters in older cars and trucks aren’t the most efficient—and that’s only if you have the luxury of a cabin heater to begin with.
That means, for a lot of gearheads, cruising season wraps up when the temperature drops below, say, 50 degrees or so.
But with a Summit Racing Universal Seat Warmer Kit installed in your classic car, truck, hot rod, or Jeep, you can keep driving even when the weather turns downright frigid.

For starters, this is a smart supplement to your existing heater, particularly in older vehicles without great air circulation and/or poor sealing from the outside air.
But if you’ve got a prewar roadster or vintage Jeep without a lot space for a heater retrofit at all, this seat warmer kit can give you and your passenger a precious bit of comfort all by itself—without having to worry about heater core plumbing, enough space for a blower motor, or finding spots for the air vents.
You simply wire the included (and fused) harness into a 12 volt circuit, drill a small hole for the on/off switch, and slip the seat heater elements under your seat upholstery. It’s an easy way to add some heat to your cool-weather cruising.

The kit incudes two separate, individually controlled heating elements too, so your passenger isn’t shivering their way to your destination either.
All told, if you’re looking for a quick, budget-friendly way to add some heat to your next early morning Cars & Coffee or evening dinner date, the Summit Racing seat heater kit is worth looking at.
Click the part number below to check pricing and availability.
- SUM-RP20035-HT – Summit Racing Seat Heater Kit
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