Product Description
A 1-2 and 3-4 accumulator piston for GM 4T60 and 440-T4 transmissions (1984-UP, shown by the manufacturer as 1984-on), made by TransGo.
It replaces the factory OEM piston in that position and is sold individually. Made in the USA. No OEM or manufacturer cross-reference number is listed for this part beyond the transmission codes shown here.