Air Rest Sensor 255-2966 109-9330 for Caterpillar Engine 3046 3116 3306 C7 C9
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Product Overview
The air-cleaner restriction indicator monitors vacuum or restriction in the intake system and signals when the filter needs attention. Replacing a damaged or inaccurate indicator helps prevent unnecessary filter changes while alerting the operator to a genuinely restricted air cleaner.
Verify 255-2966 or 109-9330 on the original component, along with the part number, thread or port size, electrical connection if present, and indicator range.
Key Features & Performance
- Monitors engine air-cleaner restriction
- Helps identify when filter service is needed
- Supports proper intake-system maintenance
- Compact replacement for a damaged indicator
Fitment & Compatibility
Compatible with select Caterpillar Engine 3046 3116 3306 C7 C9 applications. Serial-number breaks, production changes, or equipment options may affect the required part.
Technical Specifications
- Product Type: Engine Air Cleaner Restriction Indicator
- Compatible Brand: Caterpillar
- Part Number(s): 255-2966, 109-9330
Frequently Asked Questions
Q: What does an air-cleaner restriction indicator do? A: It monitors intake restriction and indicates when the air filter has become sufficiently restricted to require service.
Q: Is this an original OEM part? A: No. This is a quality aftermarket replacement designed for compatible applications.
Model listings are a guide only. Compare the original component and all available fitment details before purchase.