1698586 Ring-Backup Fits Caterpillar Models
1698586 Ring-Backup Fits Caterpillar Models
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) C-Series Diesel Engines
This backup ring (Caterpillar part 169-8586) is used in fuel injector sealing applications on Caterpillar C7 and C9 HEUI diesel engines. Backup rings are used in high-pressure static and dynamic sealing applications to prevent O-ring extrusion and maintain a reliable seal at the injector bore. This ring measures approximately 32.51mm internal diameter and is commonly replaced as part of a fuel injector seal service.
Specifications
- Internal Diameter: 32.51mm (approx.)
- Application: Fuel injector backup ring / injector bore seal
- Engine Compatibility: Caterpillar C7, C9 HEUI diesel engines
Compatible Models
Caterpillar (Cat) Motor Graders: 12H
Caterpillar (Cat) Excavators: 330C, 330CFM, 330CL, 330CMH
Caterpillar (Cat) Scrapers: 627G, 637D, 637G
Caterpillar (Cat) Wheel Loaders: 950H, 962H, IT62H
Caterpillar (Cat) Track-Type Tractors / Dozers: D6RII, 973C
Caterpillar (Cat) Engines: C-9
Caterpillar (Cat) TK Series: TK711, TK721, TK722, TK732, TK741, TK751, TK752
Caterpillar (Cat) Compactors: MTC735
Replaces Part Number(s):
1698586, 169-8586
New aftermarket replacement part - not remanufactured, not used.
