General Pump Kit 28 (new) Replacement - Seal Packing Kit with Brass (20mm, T/TS Series)

Complete seal packing kit with flared brass retainer for General Pump 20mm triplex plunger pumps. This kit meets OEM specifications for General Pump/Interpump Kit 28 (K28) and features a flared retainer design for broader pump compatibility. Each kit services one cylinder (3 kits required for full pump rebuild). Kit includes: 20mm high-pressure seal, low-pressure seal, flared brass retainer with O-ring, and backing support rings. Compatible with General Pump T, TT, TS, GBF, EBF, and CW Series pumps including: T721, T731, T921, T1011, T1321, T1505 EBF, T1511, T1621, T2011, T2031, T9051, T9131, T9161, T9211, T9281, T9711, T9721, T9731, T9791, TS821, TS1011, TS1811, TS2011, TS2021, TT1505, TT1540 GBF, TT2021, TT2028, TT2035, TT9051, TT9061, TT9071. Also fits Interpump W/WS Series: W101, W131, W151, W201, W203, W912, W913, W916, W921, WS82, WS101, WS102, WS131, WS133, WS135, WS151, WS152, WS171, WS201, WS202.