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Motorad 1KR125 Engine Crankshaft Position Sensor
| Brand | Motorad 1KR125 |
|---|---|
| Color | Black |
| Terminal Type | Blade |
| Connector Quantity | 1 |
| Connector Shape | Oblong |
| Mounting Hole Quantity | 1 |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Wiring Harness Included | No |
| Sensor Body Diameter | 0.85 |
| Mounting Bracket Included | No |
| Fits | Nissan · 14 vehicles |
OEM accuracy. Crankshaft position sensor engineered for precise engine management.
IATF 16949 certified. Manufactured in certified facilities for consistent quality control.
Black sensor with blade terminals and an oblong female connector.
Cross-references Motorad 1KR125, 237318Y00A and 237318Y001 for the same application. See all 5.
Engine Crankshaft Position Sensor for Nissan
The MotoRad 1KR125 engine crankshaft position sensor is built for OE-style accuracy and stable engine management signal delivery. It is a direct-fit replacement for select Nissan applications, including the Altima, Maxima, and Quest, with fitment covering model years from 2002 through 2009.
- Engine crankshaft position sensor for ignition and engine management systems
- Black sensor body with a 0.85 in. body diameter
- 1 oblong female connector with 3 male blade terminals
- 1 mounting hole for secure sensor placement
- No wiring harness included
- No mounting bracket included
- Direct replacement part number: 1KR125
Fitment Details
Compatible With 2002-2006 Nissan Altima, N/A. Compatible With 2004-2006 Nissan Maxima, N/A. Compatible With 2004-2009 Nissan Quest, N/A. This part cross-references Nissan OE numbers 237318Y00A and 237318Y001 for the same application.
Use the 1KR125 crankshaft position sensor when servicing Nissan Altima, Maxima, or Quest models that need a replacement crank signal input for the engine control system. The sensor is manufactured in IATF 16949 certified facilities to support consistent build quality and OE-level dimensional accuracy.
Common Issues This Sensor May Address
- Crankshaft position signal loss or intermittent signal output
- Hard starting or extended crank time
- Engine stalling or sudden shutdown
- Check engine light related to crankshaft position sensor faults
- Rough running caused by inaccurate engine speed input
Installation Notes
Verify connector shape, terminal count, and mounting style before installation. Inspect the harness connector and surrounding wiring for corrosion, damage, or oil contamination before replacing the sensor. Confirm the sensor seats fully at the mounting point and that the electrical connection is secure.
Quality Assurance
MotoRad backs this engine management product with a limited lifetime warranty. The 1KR125 is manufactured in IATF 16949 certified facilities and built to meet OE accuracy expectations for Nissan Altima, Maxima, and Quest applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|
| 2009 | Nissan | Quest | — | 3.5L | V6 | — |
| 2008 | Nissan | Quest | — | 3.5L | V6 | — |
| 2007 | Nissan | Quest | — | 3.5L | V6 | — |
| 2006 | Nissan | Altima | Automatic | 3.5L | V6 | — |
| 2006 | Nissan | Maxima | Automatic | 3.5L | V6 | — |
| 2006 | Nissan | Quest | — | 3.5L | V6 | — |
| 2005 | Nissan | Altima | Automatic | 3.5L | V6 | — |
| 2005 | Nissan | Maxima | — | 3.5L | V6 | — |
| 2005 | Nissan | Quest | — | 3.5L | V6 | — |
| 2004 | Nissan | Altima | Automatic | 3.5L | V6 | — |
| 2004 | Nissan | Maxima | Automatic | 3.5L | V6 | — |
| 2004 | Nissan | Quest | — | 3.5L | V6 | — |
| 2003 | Nissan | Altima | Automatic | 3.5L | V6 | — |
| 2002 | Nissan | Altima | Automatic | 3.5L | V6 | — |
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