Cylinder Head Gasket Compatible with 1970-1990 John Deere 7700/7800/8100 John Deere 6.531 8.7L Turbodiesel John Deere Combines W/O Seals R78513

OEM PART NUMBERS:
• John Deere: R78513 (Primary OEM)

SPECIFICATIONS:
• Gasket Type: Cylinder Head Gasket
• Includes Head Gasket: True (Head Gasket OEM: R78513)
• Engine Family: 6.531
• Condition: New

APPLICATIONS:
JOHN DEERE TRACTORS:
• John Deere 6030/7520/8630/8640 6.531A/6.531T 8.7L Diesel (1971-1988)
• John Deere 8650/5010/5020/4055 6.531A/6.531T 8.7L Diesel (1971-1988)
• John Deere 4255/4455/4555/4560 6.531A/6.531T 8.7L Diesel (1971-1988)

JOHN DEERE CONSTRUCTION:
• John Deere 644B/646B/770/770A 6.531T 8.7L Diesel (1974-1988)
• John Deere 772A 6.531T 8.7L Diesel (1974-1988)

JOHN DEERE COMBINES:
• John Deere 7700/7800/8100/8200 John Deere 6.531 8.7L Turbodiesel (1970-1990)
• John Deere 8300/8560/8570/9500 John Deere 6.531 8.7L Turbodiesel (1970-1990)
• John Deere 9600/9960/9965 John Deere 6.531 8.7L Turbodiesel (1970-1990)

NOTES:
Fits 6.531 engine family. Verify OEM number, included gasket content, and build variant before ordering.

COMMON ORDERING MISTAKES TO AVOID:
• Selecting wrong notch/thickness on head gasket applications.
• Assuming top and lower sets are interchangeable.
• Missing included/excluded component differences across set variants.

OEM FAMILY SNAPSHOT:
• R78513 (Primary OEM)

WHAT THIS PART IS / IS NOT:
• Confirm this gasket type matches your service scope (overhaul/top/lower/individual).
• Verify included components before teardown completion.

6.531 Cylinder Head Gasket:
New cylinder head gasket for 6.531 diesel applications. Built for fitment-verified service using W/O Seals; confirm OEM reference and included/excluded components before final assembly.

⚠️ Verify OEM part number before ordering to ensure proper fitment.