Caterpillar 8C0563 Injector O-Ring Seal

The Caterpillar 8C0563 is an injector O-ring seal designed for use in Caterpillar diesel engine applications. This precision sealing ring helps provide a secure seal around the injector, helping prevent leaks and maintain reliable fuel system performance. It is commonly associated with Caterpillar C7 and 3100 Series engine applications.

Features & Benefits

• Replacement injector O-ring seal
• Designed for Caterpillar diesel engine applications
• Helps maintain a secure seal and prevent leakage
• Durable Viton construction
• 90 durometer material
• Approximate dimensions: 1.239" inside diameter × 0.070" cross section
• Common cross-reference: PAI 321272
• Also cross-referenced to 4307319

Product Specifications

• Part Number: 8C0563
• Brand: Caterpillar
• Product Type: Injector O-Ring / Seal
• Material: Viton
• Inside Diameter: 1.239 in. / 31.47 mm
• Cross Section: 0.070 in. / 1.78 mm
• Durometer: 90
• Cross Reference: PAI 321272

Fitment

Commonly listed for Caterpillar C7 and 3100 Series applications. Verify fitment by engine serial number or original part number before ordering.