JX90U - Replaces OEM Number 5189486

70 and more - Replaces OEM Number 7214712

Expansion Valve and O-Ring

38 (3/8) in 10 mm Centerline to End Dim 4

6490 and more - Replaces OEM Number 4270052M1

Maxiforce Piston & Ring Kit, 1104D-E44T/A 0.50MM for Perkins U5PR0060B RG17900HC-20/20 JX90U - Replaces OEM NumberAftermarket Piston & Ring Kit for the Perkins 1100D 1104D E44T (NH) 1104D 1) Basic K diesel engine. Direct replacement for Perkins U5PR0060B. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.