Cummins 4358939 Differential Pressure Sensor: Monitors engine air filter condition
Available Options
Imagine a heavy-duty truck barreling down the interstate, its Cummins engine humming—until a clogged air filter silently strangles performance. That's where the Differential Pressure Sensor steps in. This little gadget monitors the pressure drop across the air filter, acting as an early-warning system for restricted airflow. Spot a blockage early, and you dodge costly engine damage while keeping fuel efficiency on point.
For fleet managers and equipment operators, this isn't just a sensor; it's a maintenance oracle. Ditch those rigid service schedules. Instead, swap filters based on real-time data—saving cash and downtime. Built tough to laugh off dust, grime, and vibration, it's the unsung hero keeping Cummins engines running smooth mile after gritty mile.
- Compatible with Cummins engines
- Easy installation and replacement
- Durable and reliable performance
- Helps prevent engine damage
- Monitors engine air filter condition
General specs
- Brand: Cummins
- Model: 4358939
- Seller: Joom
- Compatibility: Cummins engines
- Function: Monitors differential pressure across air filter
- Application: Automotive, heavy-duty vehicles
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Cummins 4358939 Monitors engine air filter condition
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Cummins 5550060 Engine performance monitoring
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loverapple 4921517 904-5050 Compatible with Cummins ISX ISM ISX11.9 ISX15
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Automotivefield 18590-68H50 Accurate pressure measurement
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autopartssupplier 5WK96900Z Accurate pressure measurement
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PHYUN-autoparts 39210-27401 Monitors pressure differences
|
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| Brand | Cummins | Cummins | loverapple | Automotivefield | autopartssupplier | PHYUN-autoparts |
| Model | 4358939 | 5550060 | 4921517 904-5050 | 18590-68H50 | 5WK96900Z | 39210-27401 |
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| Price | $130.40 | $55.04 | $26.02 | $27.51 | $19.16 | $49.39 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 28, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 |
| Compatibility | Cummins engines | Cummins engines | Cummins ISX, ISM, ISX11.9, ISX15 | Various vehicle models | Various vehicle models | Vehicle-specific models |
| Function | Monitors differential pressure across air filter | Turbine speed detection | Measures manifold absolute pressure | Measures intake manifold pressure | ||
| Installation | Tool-required | Direct replacement, Easy to install | Direct replacement, Easy to install | |||
Differential Pressure Sensor
Jack L.
Halifax, NS
September 7, 2025
I run a small delivery business with a couple of trucks, and keeping them on the road is key. After installing this Cummins sensor, I noticed it caught a filter issue early on a long haul—saved me from what could have been a costly repair. It's quite reliable in all sorts of weather, and it's made my maintenance routine a lot smarter. No more guessing or sticking to rigid schedules; this thing tells me when it's time to act. For anyone dealing with heavy-duty vehicles, it's a solid investment that pays off in peace of mind and savings.
- Pros: This sensor gives a clear heads-up when the air filter starts to clog, which is a real lifesaver for avoiding engine trouble. It's built to handle rough conditions without a fuss, and it helps cut down on unnecessary maintenance costs by letting me know exactly when a filter needs changing.
- Cons: The initial setup seemed a bit tricky, and I had to double-check the connections to make sure it was working right. It's not the cheapest part out there, but considering what it saves, it seems worth it.