1504105 Ring Backup Fits Caterpillar Models
1504105 Ring Backup Fits Caterpillar Models
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One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Equipment
This backup ring seals the unit fuel injector in Caterpillar 3126B-powered machines and C7-engine equipment. It is installed around the lower portion of the electronic unit injector body to prevent high-pressure fuel from bypassing the injector bore. Proper sealing is critical to injector performance and long-term engine health.
Specifications
- Internal Diameter: 34.68 mm
- Application: Unit fuel injector backup seal
- Weight: approximately 0.03 lbs
Compatible Models
Caterpillar Motor Graders: 120H, 135H
Caterpillar Hydraulic Excavators: 322C, 322C FM, 325C, 325C FM, M325C MH
Caterpillar Wheel Loaders: 938G II, 950G II, 962G II, IT38G II, IT62G II
Caterpillar Track-Type Tractors / Dozers: D5N, D6N, 953C, 963C
Caterpillar Pipelayers: 561N
Caterpillar Harvesters: 570B, 580B
Caterpillar Engines (standalone): 3126, 3126B, 3126E, C7
Caterpillar Special Purpose Machine: SPP101
Replaces Part Number(s):
1504105, 150-4105, CA1504105
New aftermarket replacement part - not remanufactured, not used.
