HERCULES
John Deere Re20434 Seal Kit
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John Deere Re20434 Seal Kit is a cylinder seal kit available from WQC Parts.
This listing uses Hercules part number JD-RE20434. Catalog description: 45 mm Rod Kit.
Product Details
- Hercules part number: JD-RE20434
- Product type: Hydraulic cylinder seal kit
- Reference brand/application: John Deere
- Approximate weight: 0.084 lb
- Catalog data source: 2026 US Mobile Kit Catalog
Catalog Application Data
- Equipment type: Backhoe Loaders; Crawler Dozers/Loaders; Loaders - Wheel; Motor Graders; Skidders
- Model or series reference: 650/1
- Catalog page reference: 732, 740, 741, 745, 746, 748, 750, 751, 801, 803, 808, 812, 839
Understanding This Seal Kit
- Catalog identification code: P-UB-1
- Wiper code P: press-in wiper
- Rod seal code UB: U-seal with buffer
- Piston seal code 1: no piston seal
The code separates the wiper, rod-seal and piston-seal arrangements so you can compare them with the cylinder being repaired. A wiper helps exclude dirt at the rod entry; rod seals and piston seals fit different locations in the cylinder.
The Hercules catalog lists this code against JD-RE20434. Match the kit reference to the original assembly; the code is an identification aid, not a complete packing list.
Fitment Verification
Before ordering, confirm the JD-RE20434 reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.