Product Feature: 1. Application: Perfectly fits for AR, XR, RK, RKA, RKV, XRC and XRA series pumps. 2. Replacement: Replacement for Annovi Reverberi Pump Water Seal Packings Kit AR1857, also replaces Mi-T-M 70-0177. 3. Material: Made of high quality rubber and plastic with great strength and durability. The quality of materials will be the same as the OEM kit, features the ultimate protection from water or chemical leaking. Ensures long lasting service. 4. Function: This kit is used to repair known seals or packings on RK, RKA, RKV, XRC, XRA pumps used on many common high-pressure cleaners. 5. Advantage: It can maintain the pressure of the pressure washer, continue to operate normally, and extend its service life. Effectively prevent leakage of water or chemical substances. Product Description: AR 1857 Packing Kit Seal Repair Kit 18mm XR Annovi Reverberi RKA RKV XRC XRA AR1857 ReplacementFits Models: RK 11.14 N, RK 11.20 H N, RK 11.20 H C, RK 11.25 H N, RK 13.12 N, RK 13.12 C, RK 13.17 C, RK 13.17 N, RK 13.20 H C, RK 13.20 H N, RK 14.16 C, RK 14.16 N, RK 15.15 C, RK 15.15 N, RK 15.20 H C, RK 15.20 H N, RK 15.25 H N, RK 15.28 H N RKA 3.5 G22 N, RKA 3.5 G25 E, RKA 3.5 G25 N, RKA 3.5 G30 H E, RKA 3.5 G30 H N, RKA 3.5 G40 H N, RKA 4 G20 E, RKA 4 G20 J+F22, RKA 4 G20 N, RKA 4 G30 A N, RKA 4 G30 N, RKA 4 G30 H E, RKA 4 G30 H J+F22, RKA 4 G30 H N, RKA 4 G36 H N, RKA 4 G40 H N, RKA 4.5 G17 N, RKA 4.5 G25 H N, RKA 4.5 G30 H N , RKA 4.5 G40 H N RKV 3.5 G25 D+F41, RKV 3.5 G25 E+F32, RKV 3.5 G30H D+F41, RKV 3.5 G35H D+F41, RKV 3.5 G40H D+F41, RKV 4 G20 E+F32, RKV 4 G30A D+F41, RKV 4 G30 D+F41, RKV 4 G32 D+F41, RKV 4 G35H D+F41, RKV 4 G40H D+F41, RKV 4.5 G17 E+F32, RKV 4.5 G40H D+F41, RKV 5.5 G13 E+F32, RKV 5.5 G40H D+F41, GRKV 4 G30A +F35, GRKV 4 G30 +F35, GRKV 4 G35H +F35.Feature: Replacement for Annovi Reverberi Pump Water Seal Packings Kit AR1857OEM specification and qualityEnsure properly repair your pumpDirect Installation: No special skill required. Simply put off the worn out washers and o-rings of the seals, then directly replace with our new seal repair kit. Package Details: 3 × AR880320 High Pressure Packing3 × AR880330 Low Pressure Seal3 × AR961240 O-Ring