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Gearbox oil Hyundai Tucson NX4 8DCT451 — viscosity and OEM spec

Gearbox oil for Hyundai Tucson NX4 8DCT451 (2020–2025) — correct viscosity, OEM specification, fill volume and change interval.

Gearbox Specifications

ParameterValue
Make / ModelHyundai Tucson NX4
Gearbox typeDCT8
Gearbox code8DCT451
Production Years2020–2025
Oil viscosityATF
OEM specificationHyundai SP-IV M
Fill volume6.0 L
Change interval80000

“Lifetime” fill in DSG and CVT gearboxes does not mean never change the oil — manufacturers recommend changing every 60,000 km to preserve gearbox life.

Approved Oils for 8DCT451

Hyundai Genuine SP-IV M, SK ATF SP-IV M

Dct8 Gearbox — Key Points

Manual gearbox: Drain on a warm gearbox for best flow. Fill to the level plug hole and refit immediately.

FAQ

What oil goes in Hyundai Tucson NX4 8DCT451?

Viscosity ATF, specification Hyundai SP-IV M, volume 6.0 L. Suitable brands: Hyundai Genuine SP-IV M, SK ATF SP-IV M.

When should the gearbox oil be changed on Hyundai Tucson NX4?

Every 80000 km.

Can I use a universal ATF instead of Hyundai SP-IV M?

No. The 8DCT451 requires strict compliance with Hyundai SP-IV M. A universal ATF lacks the correct friction characteristics and will cause premature wear.