4383999 | Genuine Cummins® Crankshaft Position Sensor

SKU: 4383999 MPN: 4383999

Direct replacement condition: new Crankshaft Sensor from brand: Cummins, part number: 4383999. Genuine part, mounting type: Flange Mount, output: Digital/Oval. Includes O-Ring 4954487. Fits: Cummins B/D/F engines. OEM quality.

$89.00
No Core Charge
3 in stock

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Product Description

Product Name Crankshaft Position Sensor Product Name Crankshaft Position Sensor
Condition New Condition New
Brand Cummins® Brand Cummins®
Part Number 4383999 Part Number 4383999
Type Sensor Type Sensor
Vehicle Compatibility
* Ram: 2500, 3500 * Ram: 2500, 3500
Suitable for Engine
* ISB4.5 – CM2350 * ISB4.5 – CM2350
* F2.8 – CM2620, F135B * F2.8 – CM2620, F135B
* B5.6 – CM2670, B152B * B5.6 – CM2670, B152B
* F4.5 – CM2620, F141C * F4.5 – CM2620, F141C
* D4.0 – CM2620, D103B * D4.0 – CM2620, D103B
* B4.5 – CM2350, B129B, B104 * B4.5 – CM2350, B129B, B104
* F3.8 – CM2350, F120B, F137B * F3.8 – CM2350, F120B, F137B
* B6.7 – CM2350, B135B, B153B * B6.7 – CM2350, B135B, B153B
Specifications
Mounting Type Flange Mount Mounting Type Flange Mount
Output Type Digital, Oval Connector Output Type Digital, Oval Connector
Included O Ring Seal 4954487 Included O Ring Seal 4954487
Dimensions 5.91 x 3.94 x 1.57 in Dimensions 5.91 x 3.94 x 1.57 in
Weight 2 lbs Weight 2 lbs

Useful Information

Description and Purpose
The 4383999 Crankshaft Position Sensor by Cummins® is a premium-quality OEM component for heavy-duty applications. It features a flange mounting type, digital output, oval connector, and a high-integrity O-ring seal (4954487). Designed for Ram 2500 and 3500 models, it fits Cummins engines like B4.5 CM2350, B6.7 CM2670, and D4.0 CM2620.

Why Replacement Matters
A worn crankshaft sensor can cause misfires, hard starts, or stalling. Timely replacement restores accurate RPM readings and ignition timing, ensuring stable engine performance and avoiding costly repairs.

Effect on Vehicle Performance
This sensor delivers precise crankshaft data for efficient engine control and diagnostics. Built to withstand tough conditions, it supports consistent RPM feedback, smoother operation, and optimal fuel management in commercial vehicles.

Tags & Category: Crankshaft, Position, Sensor, Crankshaft Sensor, Position Sensor, Crankshaft Position, Crankshaft Position Sensor, Position Crankshaft, Sensor Position, Sensor Crankshaft, Engine System, Engine Sensor

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 4383999