Free shipping on orders over $100* (855) 256-8566
John Deere PMMF78986 PMMF78986: Nylon Insert Lock Nut — OEM replacement part
Watch Video
PMMF78986 Genuine OEM

John Deere PMMF78986: Nylon Insert Lock Nut Hardware

Shop all John Deere parts

$1.06
Choose your location
Delivery
Get it by Wednesday, September 16
Free delivery on orders $100+*
Check fit for your equipment
Confirm this part matches your model before you buy.
  • Free & easy returns · 30 days
  • Fulfilled by Everglades Equipment Group · Certified John Deere dealer
  • Talk to a parts specialist

Part details

About this item

Details

Part number
PMMF78986
Brand
John Deere · Genuine OEM
Category
Nuts & Washers
Type
John Deere Hardware
Condition
New · 1-year warranty
Fulfillment
Ship to home · Store pickup
Freight required
No — ships parcel
Shipping & returns policy
  • Free shipping* on orders over $100 · in-stock orders typically arrive within 2-3 business days
  • Expedited shipping available at checkout
  • 30-day returns on unused items · 25% restocking fee may apply
  • Electrical & special-order items non-returnable

Description

Stability Assurance: In threaded connections, John Deere lock nuts are critical for preventing unintentional loosening from vibrations and dynamic loads, thereby ensuring the integrity and reliability of a wide range of mechanical systems.. Superior Load Security: Crafted for effective load distribution, John Deere lock nuts deliver added security against loosening and failure. This feature is essential for maintaining structural integrity in key applications across diverse industries.. Resilient Materials and Design: John Deere lock nuts utilize corrosion-resistant materials and can include nylon inserts or all-metal configurations, boosting their effectiveness in harsh settings and promoting long-lasting reliability under tough conditions.
  • genuine John Deere OEM part
  • engineered to exact specifications

Your history

Recently viewed

Spring Washer

$1.06

Spring Washer

John Deere · 4514388
Washer

$1.05

Washer

John Deere · YC10431
Nut

$1.06

Nut

John Deere · FF559950
Lock Washer

$1.07

Lock Washer

John Deere · 5HG920506
Washer

$1.06

Washer

John Deere · ER048320
Washer

$1.06

Washer

John Deere · R258495

$1.06

PMMF78986

Added to Cart!

Complete Your Repair

Frequently bought together

Not sure if it fits?

Chat with our parts team

Subtotal
View Cart & Checkout
Secure
30-Day Returns
Support

We use cookies to analyze site traffic and improve your experience. Declining won't affect site functionality. See our Privacy Policy.