<p><strong>Aftermarket K77998 Piston; 1-2 & 3-4 Accumulator; .310" Pin Diameter; 54352A O-Ring Not Included</strong></p> <p><strong>Transmission Info</strong></p> <p><ul><li>TH200-4R:Piston, 3-4 Accumulator 1981 - 1990</li><li>4L60E:Piston, 1-2 & 3-4 Accumulator 1993 - 1993</li><li>4L60E:Piston, 1-2 & 3-4 Accumulator (.310" Pin Dia) 1993 - 2017</li><li>4L65E:Piston, 1-2 & 3-4 Accumulator (.310" Pin Dia) 2001 - 2017</li><li>4L70E:Piston, 1-2 & 3-4 Accumulator (.310" Pin Dia) 2001 - 2017</li><li>TH700-R4:Piston, 1-2 & 3-4 Accumulator 1982 - 1993</li><li>TH700-R4:Piston, 1-2 & 3-4 Accumulator (.310" Pin Dia) 1982 - 1993</li></ul></p> </p> <p><strong>Other Product Numbers</strong></p> <p><ul><li>352-4303</li><li>K77998</li><li>61985</li><li>61985X</li><li>74927</li><li>77998</li><li>8633567</li><li>A74927</li><li>E74927</li></ul></p>