Product Description
The WW 97-157 is a precision pump piston kit designed for Dayton manual pallet jack hydraulic pump systems. This kit includes machined steel piston components engineered to restore high-pressure lifting capability in Dayton 4YX97 series equipment. As a direct replacement for previous part numbers 46G251 and 97-157, it delivers factory-spec performance and reliability in manual material handling operations.
Specifications
Material & Construction
| Primary Material | Machined steel components |
Part Numbers
| Part Number | WW 97-157 |
| Cross-Reference Part Numbers | Replaces Dayton 4YX97 plunger assembly, supersedes Dayton 46G251 and 97-157 |
| Compatible Equipment | Dayton manual pallet jack models including 4YX97 series |
| Application | Hydraulic pump piston kit for manual pallet jacks |
| Pressure Rating | Up to 3000 PSI |
Frequently Asked Questions
Q: What is the WW 97-157 pump piston kit used for?
A: The WW 97-157 is a pump piston kit containing machined steel piston components engineered for Dayton manual pallet jack hydraulic pump assemblies. It restores high-pressure manual lifting capability and controls flow in the pump circuit.
Q: Which Dayton pallet jack models are compatible with the WW 97-157?
A: The WW 97-157 is compatible with Dayton manual pallet jack models including the 4YX97 series. It supersedes previous part numbers Dayton 46G251 and Dayton 97-157. Confirm your model before ordering.
Q: What material is the WW 97-157 piston kit made from?
A: The WW 97-157 consists of machined steel piston components manufactured to original OEM material and dimensional standards. Steel construction provides durability in high-pressure manual lifting circuits up to 3000 PSI.
Q: Is the WW 97-157 a direct OEM replacement?
A: Yes, the WW 97-157 is an OEM-equivalent replacement engineered to match original Dayton specifications. It supersedes and replaces previous part numbers 46G251 and 97-157 with the same performance and dimensional match.
Q: What symptoms indicate pump piston kit failure?
A: Jack requires excessive pump strokes to raise load, pump action becomes difficult or stiff, metallic debris appears in hydraulic oil, or load cannot be raised at all. Metal shavings in the reservoir indicate piston wear.