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Cummins 4BT Kits
Cummins 4BT kits for Defender and Jeep Wrangler.
Defender 110 4BT Engine Mount Kit, 300Tdi to R380, 2018 375,00 €
Jeep TJ 4BT Adapter Plate Kit, 2.5 to AX15, 2019 920,00 €
Jeep YJ 4BT Complete Conversion Kit, 4.0 to NV3550, 2020 3.226,00 €
Defender 110 4BT Complete Conversion with Engine Kit, 300Tdi to R380, 2021, engine 59,800 km 7.997,00 €
Jeep TJ 4BT Cooling and Exhaust Kit, 2.5 to AX15, 2022 704,00 €
Jeep YJ 4BT Wiring and ECU Kit, 4.0 to NV3550, 2023 723,00 €
Defender 110 4BT Engine Mount Kit, 300Tdi to R380, 2024 452,00 €
Jeep TJ 4BT Adapter Plate Kit, 2.5 to AX15, 2025 920,00 €
Jeep YJ 4BT Complete Conversion Kit, 4.0 to NV3550, 2026 3.248,00 €
Defender 110 4BT Complete Conversion with Engine Kit, 300Tdi to R380, 2016, engine 138,400 km 8.157,00 €
Jeep TJ 4BT Cooling and Exhaust Kit, 2.5 to AX15, 2017 696,00 €
Jeep YJ 4BT Wiring and ECU Kit, 4.0 to NV3550, 2018 725,00 €
Defender 110 4BT Engine Mount Kit, 300Tdi to R380, 2019 390,00 €
Jeep TJ 4BT Adapter Plate Kit, 2.5 to AX15, 2020 714,00 €
Jeep YJ 4BT Complete Conversion Kit, 4.0 to NV3550, 2021 3.268,00 €
Defender 110 4BT Complete Conversion with Engine Kit, 300Tdi to R380, 2022, engine 77,000 km 8.269,00 €
Jeep TJ 4BT Cooling and Exhaust Kit, 2.5 to AX15, 2023 457,00 €
Jeep YJ 4BT Wiring and ECU Kit, 4.0 to NV3550, 2024 641,00 €
Defender 110 4BT Engine Mount Kit, 300Tdi to R380, 2025 397,00 €
Jeep TJ 4BT Adapter Plate Kit, 2.5 to AX15, 2026 683,00 €
Jeep YJ 4BT Complete Conversion Kit, 4.0 to NV3550, 2016 3.435,00 €
Defender 110 4BT Complete Conversion with Engine Kit, 300Tdi to R380, 2017, engine 155,600 km 8.536,00 €
Jeep TJ 4BT Cooling and Exhaust Kit, 2.5 to AX15, 2018 550,00 €
Jeep YJ 4BT Wiring and ECU Kit, 4.0 to NV3550, 2019 751,00 €
Buying guide
Used Cummins 4BT Kits conversion kits: prices, fitment and delivery
Cummins 4BT Kits conversion kits for sale: 6,818 listed, priced from 375,00 € to 9.699,00 €.
Units are inspected in Hamburg before they are offered: the code is checked against the listing, the ancillaries are recorded as fitted, and the openings are sealed for transport. An inspection certificate can travel with the crate on request.
Shipping is a flat 249 € per order. Engines are drained, sealed, strapped to a pallet and dispatched with tracking; most EU addresses receive them in 1–5 working days, and orders confirmed before 14:00 CET on a working day can leave the same day.
Questions buyers ask
How much does a used Cummins 4BT Kits conversion kit cost?
Cummins 4BT Kits conversion kits are listed from 375,00 € to 9.699,00 €; the lowest-priced right now is the Defender 110 4BT Engine Mount Kit, 300Tdi to R380, 2018 at 375,00 €. Shipping is a flat 249 € per order.
Is a used Cummins 4BT Kits conversion kit a good replacement?
An original Cummins 4BT Kits with the same code bolts in without adaptation and usually costs far less than a new unit. Each one is inspected and photographed in Hamburg, and the listing records the ancillaries as fitted.
Do you deliver Cummins 4BT Kits conversion kits to the UK, Europe and the US?
Yes, for a flat 249 € per order. EU deliveries take 1–5 working days without customs; exports outside the EU ship with a commercial invoice, and import duty and VAT are paid on arrival.