We’re
continuing to grow our product line with new Transmission Bonded Piston Kits
(TPSK) in development for leading EU and US transmission models.
Engineered
for OE-level performance, NAK’s sealing solutions are built to meet the demands
of global markets — combining material excellence with precision manufacturing.
At
NAK, we take transmission sealing seriously.
✅ IATF
16949 certified – trusted by top global automakers.
✅ 80-130%
stronger metal case vs. competitors.
✅ 95%+
automatic transmission model coverage.
✅ 99%
stocked pistons availability.
✅ Proven
durability – 6-month / 10,000 km field test.
✅ 0%
risk of rubber oil leakage from rubber.
Engineered
for performance, trusted for reliability.