Prenco

Prenco 4D-1201 Engine Crankshaft Position Sensor

Brand Prenco 4D-1201
Connector Gender Male
Connector Quantity 1
Connector Shape Rectangular
Mounting Bracket Included No
Terminal Gender Female
Terminal Quantity 3
Terminal Type Blade
Wire Quantity 3
Wiring Harness Length 10.5
Fits Mazda · 7 vehicles

Direct replacement. Engine crankshaft position sensor with a rectangular connector and blade terminals.

Single connector design. Three-wire setup with a male connector and female terminals.

Compact harness length. 10.5-inch wiring harness for a clean, straightforward install.

Cross-references Standard Ignition PC390, BP4W-18-221A and BP4W-18-221B for the same application. See all 5.

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Prenco 4D-1201 Crankshaft Position Sensor for Mazda Miata

Prenco 4D-1201 is an engine crankshaft position sensor for 1999-2005 Mazda Miata applications. It uses a 3-wire layout with a rectangular male connector and female blade terminals to support a direct-fit electrical connection in the engine management system.

Key Features

  • Engine crankshaft position sensor for Mazda Miata
  • Fits 1999-2005 Mazda Miata, N/A
  • 3-wire design with 1 rectangular connector
  • Male connector and female blade terminals
  • 10.5 wiring harness length
  • Part number 4D-1201

Detailed Description

Prenco 4D-1201 is built for vehicles that rely on accurate crankshaft position input for ignition timing and engine control. This sensor is listed for 1999-2005 Mazda Miata models and is identified by a rectangular connector, 3 terminal positions, and a 10.5 harness length. If you are searching for a Mazda Miata crankshaft position sensor, engine crank sensor, or Prenco 4D-1201 replacement, this part matches the specified application and connector style.

This part cross-references Standard Ignition PC390 for the same application.

What It Helps Address

  • Crankshaft position signal loss
  • Intermittent no-start conditions related to engine speed sensing
  • Rough running caused by incorrect ignition timing input
  • Check engine light concerns tied to crank sensor faults
  • Stalling or hesitation linked to inconsistent crankshaft data

Installation Notes and Tips

Verify connector shape, terminal type, and harness length against the original sensor before installation. Confirm the mounting location and routing on the Mazda Miata engine harness, and inspect the connector for corrosion, bent terminals, or damaged wiring before connecting Prenco 4D-1201.

Quality Assurance

Prenco 4D-1201 is cataloged as an ignition sensor replacement for the listed Mazda Miata fitment and cross-references OE-style part numbers used for the same application. Confirm year and connector details before ordering to ensure proper match.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005MazdaMiataN/A
2004MazdaMiataN/A
2003MazdaMiataN/A
2002MazdaMiataN/A
2001MazdaMiataN/A
2000MazdaMiataN/A
1999MazdaMiataN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — PC390BP4W-18-221ABP4W-18-221BCSS835J5T27071