Electrical
300Ah LiFePO4 Battery
Battle Born / Renogy
Enough bank to run a 12V fridge, diesel heater, and induction burner for 2–3 cloudy days.
$1,800–$2,400
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Build list
Gear we'd put in our own Transit
No affiliate-bait roundups. These are the components our plan sets are drawn around — sized, fused and installed in real builds.
Electrical
3000W Inverter/Charger
Victron MultiPlus
Inverter, shore charger, and transfer switch in one box — fewer components to wire and fuse.
$1,100
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Electrical
MPPT Solar Controller 100/50
Victron SmartSolar
Bluetooth monitoring means you diagnose charging problems from your phone at a trailhead.
$310
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Climate
Maxxair 5100K Fan
Maxxair
Rain-safe lid, 10 speeds, reversible. The single highest-impact purchase for comfort.
$320
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Climate
2kW Diesel Heater
Espar / Webasto
Taps the Transit's own fuel tank, so no propane locker and no refill runs in winter.
$1,000–$1,600
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Insulation
3M Thinsulate SM600L
3M
Hydrophobic, easy to install on curved Transit ribs, and it kills road noise as well as cold.
$400 / roll
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Kitchen
12V Compressor Fridge 55L
Dometic CFX3
Draws roughly 30Ah/day in summer heat — the number every electrical plan is sized around.
$900
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Body
Flarespace Flares
Flarespace
Adds 5" per side so you can sleep sideways in a 148" Transit and reclaim two feet of floor.
$1,700 + install
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Interior
Swivel Seat Base
Scopema
Turns the cab into living space — the cheapest square footage you will ever buy.
$450
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Affiliate disclosure: links marked with an arrow may earn us a commission. Prices are estimates and change often — verify before buying.