1003878 Spring-Inj Fits Caterpillar Models
1003878 Spring-Inj Fits Caterpillar Models
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One New Aftermarket Replacement Fuel Injector Spring for Caterpillar (Cat) 3500 Series Engines and Heavy Equipment
This aftermarket replacement fuel injector spring (part number 1003878 / 100-3878) is a fuel system component used in Caterpillar 3500-family engines. The injector spring maintains proper fuel injector operation within the engine's fuel injection system, ensuring consistent fuel delivery and engine performance. This part fits a wide range of Caterpillar heavy equipment powered by 3500-series diesel engines, including off-highway trucks, mining shovels, wheel loaders, and large construction machines.
Specifications
- Weight: approximately 0.8 lbs
- Part Type: Fuel Injector Spring
- Condition: New aftermarket
Compatible Models
Caterpillar Engines: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3524B
Caterpillar Off-Highway Trucks: 776D, 777, 777B, 777C, 777D, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793C, 793D, 797, 797B, MT4400D AC
Caterpillar Mining Shovels / Excavators: 5130B, 5230B
Caterpillar Wheel Loaders / Other Equipment: 854G, 992G, 994D, 994F
Replaces Part Number(s):
1003878, 100-3878
New aftermarket replacement part - not remanufactured, not used.
