John Deere R78818 R78818: Back-Up Ring — OEM replacement part
Watch Video
R78818 Genuine OEM

John Deere R78818: Back-Up Ring Hydraulic Part

Shop all John Deere parts

$10.34
Choose your location
Delivery
Get it by Tuesday, October 13
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
R78818
Brand
John Deere · Genuine OEM
Type
John Deere Parts
Condition
New · 1-year warranty
Fulfillment
Ship to home · Store pickup
Freight required
No — ships parcel
Weight
0.01 lb
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

High-performance back-up ring designed to prevent extrusion in hydraulic systems || Features an inner diameter of 131.99 mm (5.2 in) and an outer diameter of 140.33 mm (5.52 in) for a precise fit || Includes a tab height of 0.25 mm (0.01 in) and a section thickness of 1.78 mm (0.07 in) to ensure durability and reliability || Made from high quality general rubber for enhanced flexibility and resilience
  • genuine John Deere OEM part
  • engineered to exact specifications

Verified fitment

Fits 57 models

See all 57 models

$10.34

R78818

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