Hydraulic Coupler 4191663 for John Deere

OEM / REF: 4191663SKU: pilotpart307432

Main Hydraulic Pump Coupling Assy 4191663 For John Deere Logger 3554 is a Hydraulic Coupler replacement part indexed for Part Number and John Deere Logger 3554 Main Hydraulic Pump Coupling Assy 4191663, with 3 application records on file. Match OEM part number 4191663 and confirm fitment for John Deere Hydraulic & P...

Stock
In stock
Condition
New
Fitment
John Deere Hydraulic & Pneumatic Parts
  • Fitment support before you order
  • Worldwide delivery options

Hydraulic Coupler Description

This Hydraulic Coupler is indexed for Part Number; John Deere Logger 3554 Main Hydraulic Pump Coupling Assy 4191663; Hyd.Pump shaft to Engine Flywheel. Compare reference number 4191663 against the label on your existing John Deere component before ordering.

Before checkout, compare OEM part number 4191663, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

Applications

  • Part Number
  • John Deere Logger 3554 Main Hydraulic Pump Coupling Assy 4191663
  • Hyd.Pump shaft to Engine Flywheel

Specifications

Part Number4191663

Fitment Notes

Brand or application signal
John Deere Hydraulic & Pneumatic Parts
Product family
Hydraulic Coupler
System category
Hydraulic & Pneumatic Parts > Connections > Hydraulic Coupler
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.