Free shipping on orders over $250* (855) 256-8566 Spend $25k a year, take 2% off — up to 5%
John Deere R78393 R78393: Back-Up Ring — OEM replacement part
Watch Video
R78393 Genuine OEM · John Deere

John Deere R78393: Back-Up Ring Hydraulic Part

Shop all John Deere parts

$3.27
Choose your location
Delivery
Get it by Tuesday, November 10
Free delivery on orders $250+*
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
R78393
Brand
John Deere · Genuine OEM
Category
Seals, Gaskets & O-Rings
Type
John Deere Parts
Condition
New · 1-year warranty
Fulfillment
Ship to home · Store pickup
Freight required
No — ships parcel
Shipping & returns policy
  • Free shipping* on orders over $250 · 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

Designed as a Back-Up Ring, this product ensures reliable sealing and prevents extrusion in hydraulic systems. Features an inner diameter of 50.43 mm (1.99 in) and an outer diameter of 55.85 mm (2.2 in), ideal for various hydraulic applications. Boasts a thickness of 1.27 mm (0.05 in), providing robust support and enhancing seal longevity. Made from high-quality general plastic, ensuring durability and resistance to wear and tear
  • genuine John Deere OEM part
  • engineered to exact specifications

Verified fitment

Fits 215 models

See all 215 models

Your history

Recently viewed

DECAL, PARTS, 26HP

$13.38

DECAL, PARTS, 26HP

Briggs & Stratton · 7104986YP
Briggs & Stratton 84006619 Carburetor

$50.46

Briggs & Stratton 84006619 Carburetor

Briggs & Stratton · 84006619
DECAL, ZT, INSTR

$12.50

DECAL, ZT, INSTR

Briggs & Stratton · 7102574YP
Support

$274.92

Support

John Deere · AKK48176
Bearing, Connecting Rod (.010`)

$20.64

Bearing, Connecting Rod (.010`)

A&I Products · A-RB144-10
DECAL, PARTS, 21HP

$11.59

DECAL, PARTS, 21HP

Briggs & Stratton · 7104987YP
Briggs & Stratton 84004694 Fuel Tank Assembly

$289.21

Briggs & Stratton 84004694 Fuel Tank Assembly

Briggs & Stratton · 84004694
DECAL, ENGINE/HP

$27.02

DECAL, ENGINE/HP

Briggs & Stratton · 7102708YP

$3.27

R78393

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.