Motorad 1KR128 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor Overview

The Motorad 1KR128 engine crankshaft position sensor is built for accurate crankshaft signal input and consistent engine management performance. It is a direct-fit style replacement for select Buick, Chevrolet, Oldsmobile, and Pontiac applications from 1988-1992, including Buick Century, Regal, LeSabre, and Pontiac Bonneville.

Motorad 1KR128 is manufactured in IATF16949 certified facilities and uses an OEM-accuracy approach for dependable signal delivery. This crankshaft position sensor includes a mounting bracket and uses a female connector with an oblong shape for the specified applications.

Key Features

• Engine crankshaft position sensor for ignition and engine management systems
• OEM-accuracy focus for consistent crankshaft signal output
• Manufactured in IATF16949 certified facilities
• White housing with 1 female connector and oblong connector shape
• Blade terminal design with 4 terminals and 2 mounting holes
• Mounting bracket included for the listed applications
• Motorad part number 1KR128

Detailed Description

The Motorad 1KR128 crankshaft position sensor monitors crankshaft position so the engine control system can manage ignition timing and engine operation. It is a practical replacement choice for vehicles that require the specified connector style, terminal layout, and mounting configuration. This part number 1KR128 is listed for a range of GM vehicles, including 1988-1992 Buick LeSabre, 1989-1992 Buick Century, 1989-1992 Buick Regal, and 1989-1992 Pontiac Bonneville.

This part cross-references 213279 and 907778 for the same application. It also supports fitments such as 1988-1992 Oldsmobile 98, 1989-1992 Oldsmobile Cutlass Ciera, and 1991-1992 Chevrolet Lumina APV, making it a relevant search match for drivers replacing a crankshaft position sensor on these platforms.

What It Helps Address

• Crankshaft signal loss or inconsistent engine speed input
• Hard starting caused by incorrect crank position data
• Intermittent stalling related to sensor signal interruption
• Rough engine operation from inaccurate timing input
• Check engine concerns tied to crankshaft position sensor faults

Installation Notes and Tips

Verify connector shape, terminal count, and mounting-hole layout before installation. This Motorad 1KR128 sensor uses a female connector, blade terminals, and an included mounting bracket, so matching the original configuration is important for proper fit. Confirm vehicle-specific application details for the exact Buick, Oldsmobile, Chevrolet, or Pontiac model before replacement.

Compatible vehicle examples include Fits 1989-1992 Buick Century, N/A; Fits 1989-1992 Buick LeSabre, N/A; Fits 1988-1992 Buick Riviera, N/A; Fits 1991-1992 Chevrolet Lumina APV, N/A; and Fits 1989-1992 Pontiac Bonneville, N/A.

Quality Assurance

Motorad manufactures this crankshaft position sensor in IATF16949 certified facilities to support consistent production quality. The 1KR128 is backed by a limited lifetime warranty.